TW201216785A - Full-bridge electronic ballast having simplified continuous-current-mode charge pump PFC circuit - Google Patents

Full-bridge electronic ballast having simplified continuous-current-mode charge pump PFC circuit Download PDF

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TW201216785A
TW201216785A TW99134816A TW99134816A TW201216785A TW 201216785 A TW201216785 A TW 201216785A TW 99134816 A TW99134816 A TW 99134816A TW 99134816 A TW99134816 A TW 99134816A TW 201216785 A TW201216785 A TW 201216785A
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coupled
circuit
output
diode
inductor
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TW99134816A
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Chinese (zh)
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TWI433603B (en
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Ray-Lee Lin
jun-wei Chang
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Univ Nat Cheng Kung
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Priority to US13/271,714 priority patent/US9013111B2/en
Priority to CA2755178A priority patent/CA2755178C/en
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    • Y02B20/42
    • Y02B70/126

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Abstract

The configurations of an electronic ballast are provided in the present invention. The proposed ballast includes a filter circuit having a first and a second output terminals, a rectifier circuit having a first input terminal, a second input terminal coupled to the second output terminal of the filter circuit, and a first output terminal, and a continuous-current-mode charge pump PFC circuit including a first inductor having a first terminal coupled to the first input terminal and a second terminal coupled to the first output terminal of the filter circuit, a second inductor having a first terminal and a first capacitor having a first terminal coupled to the first terminal of the first inductor and a second terminal coupled to the first terminal of the second inductor.

Description

201216785 六、發明說明: 【發明所屬之技術領域】 本發明涉及一種具精簡型連續電流模式充電幫浦.功率因 數修正(power factor correction,PFC)電路的全橋電子式安 定器(electronic ballast),尤指一種具精簡型連續電流模式之 電壓源(或電流源)充電幫浦PFC電路的全橋電子式安定 器。 【先前技術】 φ 隨著照明技術的進步’電子式安定器逐漸取代電磁式 安定器(Electromagnetic ballast)被應用於照明市場。電子式 安定器與電磁式安定器比較,具有體積小、輕薄、壽命長 之優點,應用於照明市場極具競爭力,故電子式安定器具 有極大之發展潛力。然而,為了使輸入電流符合IEC 61000-3.-2 Class C規範’具有功率因數修正功能之電子式 安定器普遍地被使用於照明設備。目前具功率因數修正功 能之電子安定器以兩級式(如第一圖)為主流,該兩級式電 ® 子安定器包括一交流輸入電源(提供一交流輸入電壓 Vin)、一濾波電路(包含電感l麵與電容cEMI)、一整流電 路(包含二極體Dbrl-Dbr4)、一 PFC級(包含電感Lpfc、二 極體Dy以及開關Spfc)以及一全橋式逆變器(包含電感 Ls、電容CB與Cp、開關Si-S4以及燈具),其缺點為: (1) 需要較多的元件,電路成本較高。 (2) 功因修正電路以及功率級皆需要控制ic,電路較為複 雜。201216785 VI. Description of the Invention: [Technical Field] The present invention relates to a full-bridge electronic ballast with a simplified continuous current mode charging pump and a power factor correction (PFC) circuit. Especially a full-bridge electronic ballast with a simplified continuous current mode voltage source (or current source) charging pump PFC circuit. [Prior Art] φ With the advancement of lighting technology, electronic ballasts have gradually replaced electromagnetic ballasts (Electromagnetic ballast) in the lighting market. Compared with electromagnetic ballasts, electronic ballasts have the advantages of small size, light weight and long life. They are very competitive in the lighting market, so electronic stabilizers have great potential for development. However, in order to make the input current comply with the IEC 61000-3.-2 Class C specification, electronic ballasts with power factor correction are commonly used in lighting equipment. At present, the electronic ballast with power factor correction function is mainly in two stages (such as the first figure). The two-stage electric power ballast includes an AC input power supply (providing an AC input voltage Vin) and a filter circuit ( Including inductor 1 surface and capacitor cEMI), a rectifier circuit (including diode Dbrl-Dbr4), a PFC stage (including inductor Lpfc, diode Dy and switch Spfc) and a full bridge inverter (including inductor Ls) The capacitors CB and Cp, switch Si-S4 and lamps) have the following disadvantages: (1) More components are required, and the circuit cost is higher. (2) Both the power factor correction circuit and the power stage need to control ic, and the circuit is more complicated.

S 3 201216785 為了解決以上的缺點1因而發展出具不連續電流模式 充電幫浦功因修正電路的半橋式電子安定器(如第二圖)。 該具不連續電流模式充電幫浦功因修正電路的半橋式電子 安定器,除包括上述第一圖中之該交流輸入電源、該濾波 電路與該整流電路外,尚包括一 PFC級(包含一電容Cin與 二極體Dy)、一半橋式逆變器(包含電感Ls、電容CB與Cp、 開關S1-S2以及燈具)與一輸出電容Cdc。然而,該具不連 續電流模式充電幫浦功因修正電路的半橋式電子安定器仍 具有下列缺點: (1) 電路操作於不連續導通模式,輸入電流具有較大的 di/dt,電磁雜訊干擾較嚴重。 (2) 電路具有較大的峰值電流,須使用耐流較大的電路元 件。 由於在許多中高功率照明應用中,半橋架構已不適 用,因此,本發明將連續電流模式充電幫浦功率因數修正 之技術(如第三圖與第四圖)與全橋電子安定器結合。如第 三圖所示之連續電流模式之電壓源充電幫浦功率因數修正 電路之等效電路具有一經整流之直流電壓源(提供一經整 流之電壓|Vin|與一電流Iin)、二極體Dx與Dy、電感Lpfc、 電容Cin、電壓源(用以提供一電壓Va)、負載以及輸出電 容Cdc,且該輸出電容Cdc之一跨壓為一輸出電壓Vbus。 如第四圖所示之連續電流模式之電流源充電幫浦功率因數 修正電路之等效電路,其與第三圖之不同在於:少了一個 二極體Dx、該經整流之直流電壓源提供一電流lpfc、該電 201216785 容Cin具有一跨壓Vein且與該二極體Dy並聯電連接、該 電壓源Va被一電流源(提供電流Is )所取代,以及該輸出 電容Cdc被一輸出電壓源(用以提供一直流輸出電壓Vbus) 所取代。如此一來,不但可精簡電路架構與驅動電路之元 件·》並可藉由充電幫浦功因修正電路降低功率因數修正電 感與輸入濾波器體積,進而降低電路成本並縮小電路體 積。且由於電路操作於連續電流模式,因此具有較小的輸 入電流諧波失真、較高的輸入電流功率因數、較低的開關 • 與二極體導通和切換損失,進而提高整體電路效率。 職是之故,發明人鑒於習知技術之缺失,乃思及改良 發明之意念,終能發明出本案之「具精簡型連續電流模式 充電幫浦功因修正電路的全橋電子安定器」。 【發明内容】 本案之主要目的在於提供一種具精簡型連續電流模式 充電幫浦PFC電路的全橋電子安定器1因其使用充電幫浦 PFC技術,故擁有下述之優點::可減少電路所需元件數, ® 進而降低電路成本,且具低輸入電流諧波失真與高功因·ί 並可減小諸如PFC電感與EMI濾波器等元件的體積,以及 降低開關切換與二極體之導通損失。 本案之又一主要目的在於提供一種電子安定器,包含 一濾波電路,具一第一與一第二輸出端,且接收一交流輸 入電壓,一整流電路,具一第一與一第二輸入端與一第一 輸出端,其中該第二輸入端耦合於該濾波電路之該第二輸 出端,一連續電流模式充電幫浦PFC電路,包括一第一電 5 201216785 感,具一第一端與一第二端,其中該第一端耦合於該整流 電路之該第一輸入端,且該第二端耦合於該濾波電路之該 第一輸出端,一第一二極體,具一陽極與一陰極,其中該 陰極耦合於該整流電路之該第一輸出端-,一第二電感·,具 一第一端,一第一電容,具一第一端與一第二端,其中該 第一端耦合於該第一電感之該第一端,且該第二端耦合於 該第一二極體之該陽極與該第二電感之該第一端,以及一 第二二極體,具一陰極耦合於該第二電感之該第一端,以 及一全橋式逆變器,耦合於該連續電流模式充電幫浦PFC 電路,且產生一交流輸出電壓。 本案之下一主要目的在於提供一種電子安定器,包含 一濾波電路,具一第一與一第二輸出端,且接收一交流輸 入電壓,一整流電路,具一第一與一第二輸入端與一第一 輸出端,其中該第二輸入端耦合於該濾波電路之該第二輸 出端,一連續電流模式充電幫浦PFC電路,包括一第一電 感,具一第一端與一第二端,其中該第一端耦合於該整流 電路之該第一輸入端,且該第二端耦合於該濾波電路之該 第一輸出端,一第二電感,具一第一端,以及一第一電容, 具一第一端與一第二端,其中該第一端耦合於該第一電感 之該第一端,且該第二端耦合於該第二電感之該第一端, 以及一全橋式逆變器,耦合於該連續電流模式充電幫浦 PFC電路,且產生一交流輸出電壓。 本案之再一主要目的在於提供一種電子安定器,包含 一濾波電路,具一第一與一第二輸出端,且接收一交流輸 201216785 入電壓,一整流電路,具一第一與一第二輸入端與一第一 輸出端,其中該第二輸入端耦合於該濾波電路之該第二輸 -出端,一連續電流模式充電幫浦PFC電路,包括一第一電 感·,具一第一端與一第二端,其中該第一端耦合於該整流 電路之該第一輸入端,且該第二端耦合於該濾波電路之該 第一輸出端,一第一電容,具一第一端,一第二電容,具 一第一端與一第二端,其中該第一端耦合於該第一電容之 該第一端,以及一第二電感,具一第一端,耦合於該第二 • 電容之該第二端,以及一全橋式逆變器,耦合於該連續電 流模式充電幫浦PFC電路,且產生一交流輸出電壓。 為了讓本發明之上述目的、特徵、和優點能更明顯易 懂,下文特舉較佳實施例,並配合所附圖式’作詳細說明 如下: 【實施方式】 本發明所提供之連續電流模式充電幫浦PFC電路,包 含了功因修正電感Lpfc、充電幫浦電容Cin、等效二極體 ® Dy等,根據電路接法的不同,可分為電壓源以及電流源兩 種型式,如前述第三圖與第四圖所示,其中電壓源型式主 要是串聯一高頻電壓源當作參考訊號源,而電流源型式則 是並聯一高頻電流源當作參考訊號源,兩者皆可以達到功 因修正的效果。 第五圖為依據本發明構想之第一較佳實施例的具精簡 型連續電流模式之電壓源充電幫浦PFC電路的全橋式電子 安定器之電路圖。在第五圖中除具有前述第一圖中之該交 201216785 流輸入電源、該濾波電路、該整流電路、該全橋式逆變器, .以及前述第二圖中所示之該輸出電容Cdc外,其與第一圖 之不同處為,第〆圖中之該PFC級被一精簡型的交流端連 續電流模式充電幫浦PFC電路所取代’而該精簡型的交流 端連續電流模式之電壓源充電幫浦PFC電路包括一組充電 幫浦PFC電路:電感LPfc/整流二極體Dbrl/電容Cin/二極 體Drl與Dr2/電感Lx。在上述該組充電幫浦冲匸電路中, 以整流電路的整流二極體Dbrl取代該組充電幫浦PFC電路中原應 使用之二極體Dy (未顯示)’因為少用了一個二極體,使得電路較 為精簡。在第五圖所示之電子安定器中,該第一電容Cin直 接連接於該第一電感Lpfc的一端。 本發明之各較佳實施例’譬如第五圖所示之全橋式電 子安定器,是利用先前所提及之充電幫浦pFc技術,結合 於全橋式電子安定器中’以改善其功率因數並獲得良好ς 波失真。 第六圖為一依據本發明構想之第二較佳實施例的具精 簡型連續電流模式之電壓源充電幫浦功率因數修正的全橋 式電子安定器之電路圖。第六圖與第五圖中所示之電子安 定器的主要不同處為,第六圖所示之電子安定器更具有由 一讀振電容Cr所構成之讀振槽:Cr/Lx。 ㈣^圖為一依據本發明構想之第三較佳實施例的具精 ,連續電流模式之電壓源充電幫浦功率因數修正的全橋 式電子安定器之電路圖。第七圖與第五圖中所示之電子安 定器的主要不同處為,第七圖所示之電子安定器的該精簡 201216785 型之交抓端連續電流模式的電壓源充電幫浦pFc電路包括 兩組充電幫浦PFC電路]•電感Lpfe/整流二極體Dbrl/電 容Cinl/工極體Drl/電感Lxl以及2電感S 3 201216785 In order to solve the above disadvantages 1, a half-bridge electronic ballast with a discontinuous current mode charging pump power correction circuit (such as the second figure) was developed. The half bridge electronic ballast with a discontinuous current mode charging pumping power correction circuit includes a PFC stage (including a PFC stage including the AC input power source, the filter circuit and the rectifying circuit in the first figure) A capacitor Cin and diode Dy), a half bridge inverter (including inductor Ls, capacitors CB and Cp, switches S1-S2 and the lamp) and an output capacitor Cdc. However, the half-bridge electronic ballast with the discontinuous current mode charging pump due to the correction circuit still has the following disadvantages: (1) The circuit operates in the discontinuous conduction mode, and the input current has a large di/dt, electromagnetic miscellaneous The interference is more serious. (2) The circuit has a large peak current and must use circuit components with high current resistance. Since the half-bridge architecture is not suitable in many medium and high power lighting applications, the present invention combines continuous current mode charging pump power factor correction techniques (such as the third and fourth figures) with a full bridge electronic ballast. The equivalent circuit of the continuous current mode voltage source charging pump power factor correction circuit as shown in the third figure has a rectified DC voltage source (providing a rectified voltage |Vin| and a current Iin), a diode Dx And Dy, the inductor Lpfc, the capacitor Cin, the voltage source (to provide a voltage Va), the load, and the output capacitor Cdc, and one of the output capacitors Cdc is across an output voltage Vbus. The equivalent circuit of the current source charging pump power factor correction circuit of the continuous current mode as shown in FIG. 4 is different from the third figure in that one diode Dx is missing, and the rectified DC voltage source is provided. a current lpfc, the current 201216785 capacitor Cin has a voltage across the Vein and is electrically connected in parallel with the diode Dy, the voltage source Va is replaced by a current source (supply current Is), and the output capacitor Cdc is output voltage The source (to provide a DC output voltage Vbus) is replaced. In this way, not only can the components of the circuit architecture and the driver circuit be simplified, but also the power factor correction inductance and the input filter volume can be reduced by the charging pump power correction circuit, thereby reducing the circuit cost and reducing the circuit volume. And because the circuit operates in continuous current mode, it has less input current harmonic distortion, higher input current power factor, lower switching, and diode conduction and switching losses, which in turn improves overall circuit efficiency. As a result of the job, the inventor, in view of the lack of the prior art, thought of and improved the idea of invention, and finally invented the "full-bridge electronic ballast with a simplified continuous current mode charging pump power correction circuit". SUMMARY OF THE INVENTION The main purpose of the present invention is to provide a full-bridge electronic ballast 1 with a simplified continuous current mode charging pump PFC circuit. Because of its use of the charging pump PFC technology, it has the following advantages: Requires component count, ® which reduces circuit cost, low input current harmonic distortion and high power factor, and reduces the size of components such as PFC inductors and EMI filters, as well as reducing switching and diode conduction loss. Another main object of the present invention is to provide an electronic ballast including a filter circuit having a first output terminal and a second output terminal, and receiving an AC input voltage, a rectifier circuit having a first input terminal and a second input terminal And a first output terminal, wherein the second input terminal is coupled to the second output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first power 5 201216785 sense, having a first end a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit, a first diode, having an anode a cathode, wherein the cathode is coupled to the first output end of the rectifier circuit, and a second inductor has a first end, a first capacitor, and a first end and a second end, wherein the cathode One end is coupled to the first end of the first inductor, and the second end is coupled to the anode of the first diode and the first end of the second inductor, and a second diode a cathode coupled to the first end of the second inductor, and a A full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. A main purpose of the present invention is to provide an electronic ballast including a filter circuit having a first output terminal and a second output terminal, and receiving an AC input voltage, a rectifier circuit having a first input terminal and a second input terminal And a first output terminal, wherein the second input terminal is coupled to the second output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first inductor having a first end and a second end The first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit, a second inductor, a first end, and a first end a capacitor having a first end and a second end, wherein the first end is coupled to the first end of the first inductor, and the second end is coupled to the first end of the second inductor, and a A full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. A further object of the present invention is to provide an electronic ballast comprising a filter circuit having a first output and a second output terminal, and receiving an AC input 201216785 input voltage, a rectifier circuit having a first and a second An input end and a first output end, wherein the second input end is coupled to the second input-output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first inductor, having a first And a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit, a first capacitor has a first end a second capacitor having a first end and a second end, wherein the first end is coupled to the first end of the first capacitor, and a second end is coupled to the first end The second terminal of the capacitor and a full bridge inverter are coupled to the continuous current mode charging pump PFC circuit and generate an AC output voltage. The above described objects, features, and advantages of the present invention will become more apparent from the description of the preferred embodiments of the invention. The charging pump PFC circuit includes a power factor correction inductor Lpfc, a charging pump capacitor Cin, an equivalent diode® Dy, etc., and can be divided into a voltage source and a current source according to different circuit connections, as described above. The third and fourth figures show that the voltage source type is mainly a series high frequency voltage source as a reference signal source, and the current source type is a parallel high frequency current source as a reference signal source, both of which can Achieve the effect of the correction. Figure 5 is a circuit diagram of a full bridge electronic ballast of a voltage source charging pump PFC circuit with a reduced continuous current mode in accordance with a first preferred embodiment of the present invention. In the fifth diagram, in addition to the first input current 201216785 flow input power source, the filter circuit, the rectifier circuit, the full bridge inverter, and the output capacitor Cdc shown in the second figure. In addition, the difference from the first figure is that the PFC stage in the figure is replaced by a compact AC continuous current mode charging pump PFC circuit' and the reduced AC terminal continuous current mode voltage The source charging pump PFC circuit includes a set of charging pump PFC circuits: inductor LPfc / rectifier diode Dbrl / capacitor Cin / diode Drl and Dr2 / inductor Lx. In the above-mentioned charging pump punching circuit, the diode Dy (not shown) which should be used in the charging pump PFC circuit is replaced by the rectifying diode Dbrl of the rectifier circuit because less than one diode is used. , making the circuit more streamlined. In the electronic ballast shown in the fifth figure, the first capacitor Cin is directly connected to one end of the first inductor Lpfc. Preferred embodiments of the present invention, such as the full bridge electronic ballast shown in FIG. 5, utilize the previously mentioned charging pump pFc technology, combined with a full bridge electronic ballast to improve its power. Factor and get good chopping distortion. Figure 6 is a circuit diagram of a full bridge electronic ballast with a reduced voltage continuous current mode voltage source charging pump power factor correction in accordance with a second preferred embodiment of the present invention. The main difference between the electronic stabilizer shown in the sixth and fifth figures is that the electronic ballast shown in the sixth figure further has a reading tank composed of a reading capacitor Cr: Cr/Lx. (4) A circuit diagram of a full bridge electronic ballast with a precision, continuous current mode voltage source charging pump power factor correction in accordance with a third preferred embodiment of the present invention. The main difference between the electronic ballast shown in the seventh figure and the fifth figure is that the voltage source charging pump pFc circuit of the streamlined continuous current mode of the streamlined 201216785 type of the electronic ballast shown in FIG. 7 includes Two sets of charging pump PFC circuit]•Inductor Lpfe/rectifier diode Dbrl/capacitor Cinl/electrode body Drl/inductor Lxl and 2 inductor

Lpfc/整流二極 體Dbr.3/電容Cin2/箝位二極體Dr2/電感Lx2。在上述兩組 充電幫浦PFC電路巾’錢航路流二極體nD⑽取 代兩組充電幫浦PFC電路中原應使用之二極體%以及%(均未 顯不)’因為少用了兩個二極體,使得電路較為精簡。 第八圖為一依據本發明構想之第四較佳實施例的具精 ®簡型連續電流模式之電壓源充電幫浦pFC電路的全橋式電 子安定器之電路圖。 如第八圖所示之電子安定器與第七圖所示之電子安定 器的不同處在於,該二個箝位二極體Drl_Dr2的連接方式 與第七圖中所示者不同。 第九圖為一依據本發明構想之第五較佳實施例的具精 簡型連續電流模式之電壓源充電幫浦PFC電路的全橋式電 φ 子安定器之電路圖。第九圖與第七圖以及第八圖中所示之 電子安定器的主要不同處為,第九圖中具有四個箝位二極 體 Drl-Dr4。 第十圖為一依據本發明構想之第六較佳實施例的具精 簡型連續電流模式之電壓源充電幫浦PFC電路的全橋式電 子安定器之電路圖。第十圖與第九圖中所示之電子安定器 的主要不同處為,第十圖中具有四組充電幫浦PfC電路: 1. Lpfc/Dbrl/Cinl/Drl/Lxl,2. Lpfc/Dyl/Cin2/Dr2/Lxl,3. Lpfc/Dbr3/Cin3/Dr3/Lx2,以及 4. Lpfc/Dy2/Cin4/Dr4/Lx2。 201216785 在上述四組充電幫浦PFC電路中,#流電路的m體 ^跟Dbl3取代兩組充電幫浦PFC電路中原應朗之二極體 以及iv均未顯示),因為少用了兩個二極體,使得電路較為精簡y。 第十-圖為-依據本發明構想之第七較佳實施例的且 精簡型連續電龍式m充電幫浦PFC電路的全橋式 電子安定器之電路圖。第十一圖與第十圖中所示之電子安 定器的主要不同處為1四組充電幫浦PFC電路中之等效二 極體Dyl-D.y4(均未顯示)都被整流二極體所取 代了0 第十一圖(a)為一依據本發明構想之第八較佳實施例的 具精簡型連續電流模式之電壓源充電幫浦PFC電路的全橋 式電子安定器之電路圖。如第十二圖(a)中所示之電子安定 器,包含一濾波電路,具一第一與一第二輸出端,且接收 一交流輸入電壓Vin,一整流電路,具一第一與一第二輸 入端與一第一輸出端’其中該第二輪入端耦合於該濾波電 路之該第二輸出端’一連續電流模式充電幫浦PFC電路, 包括一第一電感Lpfc,具一第一端與一第二端,其中該第 一端耦合於該整流電路之該第一輸入端,且該第二端耦合 於該濾波電路之該第一輸出端’ 一第一二極體Drl,具一 陽極與一陰極’其中該陰極耦合於該整流電路之該第一輸 出端,一第二電感Lx,具一第一端’一第一電容cin,具 一第一端與一第二端’其中該第一端麵合於該第一電感 Lpfc之該第一端,且該第二端耦合於該第一二極體Drl之 該陽極與該第二電感Lx之該第一端,以及一第二二極體 201216785Lpfc / rectifier diode Dbr. 3 / capacitor Cin2 / clamp diode Dr2 / inductor Lx2. In the above two sets of charging pump PFC circuit towel 'Qian route flow diode diode nD (10) to replace the two sets of charging pump PFC circuit should be used in the diode % and % (both not shown) 'because less two two The polar body makes the circuit more compact. Figure 8 is a circuit diagram of a full bridge type electronic ballast of a voltage source charging pump pFC circuit having a precision & continuous current mode in accordance with a fourth preferred embodiment of the present invention. The electronic ballast shown in Fig. 8 is different from the electronic ballast shown in Fig. 7 in that the two clamp diodes Dr1_Dr2 are connected in a different manner from that shown in the seventh figure. Figure 9 is a circuit diagram of a full-bridge electric φ substabilizer of a voltage source charging pump PFC circuit with a simplified continuous current mode in accordance with a fifth preferred embodiment of the present invention. The main difference between the ninth and seventh and eighth electronic stabilizers is that the ninth diagram has four clamped diodes Drl-Dr4. Figure 11 is a circuit diagram of a full bridge type electronic ballast of a voltage source charging pump PFC circuit having a simplified continuous current mode in accordance with a sixth preferred embodiment of the present invention. The main difference between the tenth and ninth electronic ballasts is that there are four sets of charging pump PfC circuits in the tenth figure: 1. Lpfc/Dbrl/Cinl/Drl/Lxl, 2. Lpfc/Dyl /Cin2/Dr2/Lxl, 3. Lpfc/Dbr3/Cin3/Dr3/Lx2, and 4. Lpfc/Dy2/Cin4/Dr4/Lx2. 201216785 In the above four groups of charging pump PFC circuits, the m body of the #流电路^ and the Dbl3 replace the two sets of charging pump PFC circuits, the original Erlang body and iv are not shown), because less two two The polar body makes the circuit more compact. The tenth-figure is a circuit diagram of a full bridge electronic ballast of a simplified continuous electric dragon type m charging pump PFC circuit in accordance with a seventh preferred embodiment of the present invention. The main difference between the electronic ballast shown in the eleventh and tenth figures is that the equivalent diode Dyl-D.y4 (both not shown) in the four groups of charging pump PFC circuits are rectified. Figure 11 (a) is a circuit diagram of a full bridge electronic ballast of a voltage source charging pump PFC circuit with a reduced continuous current mode in accordance with an eighth preferred embodiment of the present invention. The electronic ballast as shown in FIG. 12(a) includes a filter circuit having a first output terminal and a second output terminal, and receiving an AC input voltage Vin, a rectifier circuit having a first and a first a second input end and a first output end, wherein the second wheel end is coupled to the second output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first inductor Lpfc, having a first One end and a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit 'a first diode Drl, Having an anode and a cathode, wherein the cathode is coupled to the first output end of the rectifier circuit, a second inductor Lx having a first end ′ a first capacitor cin having a first end and a second end Wherein the first end face is coupled to the first end of the first inductor Lpfc, and the second end is coupled to the anode of the first diode 220r and the first end of the second inductor Lx, and One second diode 201216785

Dr2 ,具一陰極耦合於該第二電感Lx之該第一端,以及〆 全橋式逆變器,耦合於該連續電流模式充電幫浦pfC:電 路’且產生一交流輸.出電壓。 在第十二圖(a)中,該電子安定器更包括一第二電容 Cdc,其中該整流電路更具一第二輸出端,該全橋式逆變器 具一第一與一第二輸入端、一中點、一第一與一第二輸出 端以及一橋臂’該橋臂包括一第一開關幻耦合於該全橋式 逆變器之該第一輸入端與該中點,且具一第一開關旁路二 φ 極體’以及一第二開關S2柄合於該中點與該全橋式逆變器 之該第二輸入端,且具一第二開關旁路二極體,該連續電 流模式充電幫浦PFC電路更包括一具一陽極與一陰極之第 三二極體Dbrl 1該第三二極體DbTl之該陰極耦合於該第 一二極體Drl之該陰極,該第三二極體Dbrl之該陽極耦合 於該第一電容Cin之該第一端,且該第三二極體Dbrl用以 取代充電幫浦PFC電路的Dy(未顯示),以簡化該電路,該 _ 第二電感Lx具一第二端,耦合於該全橋式逆變器之該中 點,該第一二極體Drl之該陰極耦合於該全橋式逆變器之 該第一輪入端,該全橋式逆變器之該第二輸入端耦合於該 整流電路之該第二輸出端,該整流電路包括該第彡二極體 Dbrl、該第一開關S1的旁路二極體、該第二開關S2的旁 路二極體以及一第四二極體Dbr2,該第二二極體Dr2更包 括一陽極,耦合於該全橋式逆變器之該第二輸入端,且該 第二電容Cdc並聯電連接於該全橋式逆變器之該第一與該 第一輸出端。如第十二圖(a)所示之電子安定器’其中該第 201216785 二電容Cdc為一輸出電容,且該連續電流模式充電幫浦 PFC電路是一連續電流模式電壓源充電幫浦PFC電路。 第十二圖(b)為一依據本發明構想之第八較佳實施例的 具精簡型連續電流模式之電壓源充電幫浦PFC電路的全橋 式電子安定器之輸入電壓Vin與輸入電流Iin的模擬波形 圖。 參閱第十二圖(a),該電子安定器包含一濾波電路,具 一第一與一第二輸出端,且接收一交流輸入電壓,一整流 電路,具一第一與一第二輸入端與一第一輸出端,其中該 φ 第二輸入端耦合於該濾波電路之該第二輸出端,一連續電 流模式充電幫浦PFC電路,包括一第一電感,具一第一端 與一第二端,其中該第一端耦合於該整流電路之該第一輸 入端,且該第二端耦合於該濾波電路之該第一輸出端,一 第二電感,具一第一端,以及一第一電容,具一第一端與 一第二端,其中該第一端耦合於該第一電感之該第一端, 且該第二端耦合於該第二電感之該第一端,以及一全橋式 逆變器,耦合於該連續電流模式充電幫浦PFC電路,且產 · 生一交流輸出電壓。 第十三圖為一依據本發明構想之第九較佳實施例的具 精簡型連續電流模式之電壓源充電幫浦PFC電路的全橋式 電子安定器之電路圖。第十三圖與第十二圖(a)中所示之電 子安定器的主要不同處為,在第十三圖中,該連續電流模 式充電幫浦PFC電路更包括具一第一端與一第二端之第三 電容Cr,該第三電容Cr之該第一端耦合於該第二電感Lx 12 201216785 =:=第三電容&之該第二端•合於該第二二極 體Dr2之該陽極.,且該第三 二電感—諧_。 為贿電容,其與第 器,:=!(Γ第十三圖中所分別顯示之該電子安定 寺徵重點更可上位化為,包含一據波電路,具一第 -與-第二輸出端,且接收一交流輸 電 具-第-與-第二輸入端與一第一輸出整:路Dr2 has a cathode coupled to the first end of the second inductor Lx, and a full bridge inverter coupled to the continuous current mode charging pump pfC: circuit' and generating an AC output voltage. In the twelfth diagram (a), the electronic ballast further includes a second capacitor Cdc, wherein the rectifier circuit further has a second output end, the first bridge and the second input end of the full bridge inverter device a midpoint, a first and a second output, and a bridge arm. The bridge arm includes a first switch phantom coupled to the first input and the midpoint of the full bridge inverter, and has a first a first switch bypassing the second φ pole body ′ and a second switch S2 shank at the midpoint and the second input end of the full bridge inverter, and having a second switch bypass diode The continuous current mode charging pump PFC circuit further includes a third diode Dbrl 1 having an anode and a cathode. The cathode of the third diode DbT1 is coupled to the cathode of the first diode Drl. The anode of the triode Dbrl is coupled to the first end of the first capacitor Cin, and the third diode Dbr1 is used to replace the Dy (not shown) of the charging pump PFC circuit to simplify the circuit. The second inductor Lx has a second end coupled to the midpoint of the full bridge inverter, the cathode coupling of the first diode Drl The second input end of the full-bridge inverter is coupled to the second output end of the rectifier circuit, and the rectifier circuit includes the second diode The body Dbr1, the bypass diode of the first switch S1, the bypass diode of the second switch S2, and a fourth diode Dbr2, the second diode Dr2 further includes an anode coupled to the body The second input end of the full bridge inverter, and the second capacitor Cdc is electrically connected in parallel to the first and the first output ends of the full bridge inverter. As shown in the twelfth figure (a), the electronic ballast' wherein the second capacitor Cdc is an output capacitor, and the continuous current mode charging pump PFC circuit is a continuous current mode voltage source charging pump PFC circuit. Figure 12 (b) is an input voltage Vin and an input current Iin of a full-bridge electronic ballast of a voltage source charging pump PFC circuit with a reduced continuous current mode according to an eighth preferred embodiment of the present invention. Analog waveform diagram. Referring to FIG. 12(a), the electronic ballast includes a filter circuit having a first output terminal and a second output terminal, and receiving an AC input voltage, a rectifier circuit having a first input terminal and a second input terminal And a first output end, wherein the φ second input end is coupled to the second output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first inductor, having a first end and a first a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit, a second inductor, a first end, and a first end The first capacitor has a first end and a second end, wherein the first end is coupled to the first end of the first inductor, and the second end is coupled to the first end of the second inductor, and A full bridge inverter is coupled to the continuous current mode charging pump PFC circuit and generates an AC output voltage. Figure 13 is a circuit diagram of a full bridge electronic ballast of a voltage source charging pump PFC circuit having a reduced continuous current mode in accordance with a ninth preferred embodiment of the present invention. The main difference between the thirteenth image and the electronic ballast shown in FIG. 12(a) is that, in the thirteenth figure, the continuous current mode charging pump PFC circuit further includes a first end and a first a third capacitor Cr of the second end, the first end of the third capacitor Cr is coupled to the second inductor Lx 12 201216785 =:= the second capacitor & the second end of the second capacitor The anode of Dr2, and the third two inductors - harmonic _. For bribe capacitors, it is more up-to-date with the instrument, :=! (The eleventh figure shows that the electronic stability of the temple is more up-to-date, including a data circuit, with a first-and-second output End, and receiving an AC power transmission device - the first - and - the second input end and a first output

充電幫浦一包括-第-二 第一端,其中該第—雜合於該整流電路之 端’且該第二仙合於誠波電路之該第 ^,」 二電感Lx ’具一第一端,以及一第一 第:第其中該第,合於該第-電:’二:: 第-端’且該第二端耦合於該第二電感Lx之該 及-全橋式逆變||,_合於該連續電流模式^The charging pump includes a first-second first end, wherein the first-hybrid is coupled to the end of the rectifier circuit and the second is integrated with the second circuit of the Chengbo circuit, and the second inductor Lx' has a first And a first: the first of the first, the first and the second: the second: the first end and the second end coupled to the second inductor Lx - the full bridge inverter | |, _ in this continuous current mode ^

電路,且產生一交流輸出電壓。 篇/甫 在第十二圖⑻至第十三圖中所分別顯示之 器更包括各具-陽極與一陰極之一第一二極體加與一第 二二極體Dr2,其中該整流電路更具一第二輪出t該第 -二極體IM之該陰極耦合於該整流電路之該第一輸出 端’該第一二極體Dri之該陽極耦合於該第〜電容cin之 該第一端,該第二二極體Dr2之該陰極耦合於該第二電感 Lx之該第一端,且該第二二極體Dr2之該陽極耦合於該整 流電路之該第二輸出端。The circuit generates an AC output voltage. The device shown in FIG. 12 (8) to FIG. 13 further includes a first diode of one of an anode and a cathode plus a second diode Dr2, wherein the rectifier circuit Further, the cathode of the second diode IM is coupled to the first output end of the rectifier circuit. The anode of the first diode Dri is coupled to the first capacitor cin. The cathode of the second diode Dr2 is coupled to the first end of the second inductor Lx, and the anode of the second diode Dr2 is coupled to the second output of the rectifier circuit.

S 13 201216785 第十四圖為一依據本發明構想之第十較佳實施例的具 精簡型連續電流模式之電流源充電幫浦pFC電路的全橋式 電子安定器之電路圖。如第十四圖所示之電子安定器包括 一組充電幫浦PFC電路,Lpfc/Dbrl/Cin/電容Cs/Lx。其中, 一整流電路(包括整流二極體Dbrl-Dbr4)之二極體Dbrl, 被用以取代該組充電幫浦pFC電路的等效二極體Dy(未顯 示),俾能精簡該電子安定器之電路。 第十五圖為一依據本發明構想之第十一較佳實施例的 具精簡型連續電流模式之電流源充電幫浦pFC電路的全橋鲁 式電子安定器之電路周。第十五圖與第十四圖中所示之電 子安定器的主要不同處為,其電容cin的連接方式與第十 四圖中所示者不同。 第十六圖為一依據本發明構想之第十二較佳實施例的 具精簡型連續電流模式之電流源充電幫浦PFC電路的全橋 式電子安定器之電路圖,其中具有兩組充電幫浦PFC電路S 13 201216785 Figure 14 is a circuit diagram of a full bridge electronic ballast of a current source charging pump pFC circuit with a reduced continuous current mode in accordance with a tenth preferred embodiment of the present invention. The electronic ballast as shown in Fig. 14 includes a set of charging pump PFC circuits, Lpfc/Dbrl/Cin/capacitor Cs/Lx. Wherein, a diode Dbrl of a rectifier circuit (including a rectifying diode Dbrl-Dbr4) is used to replace the equivalent diode Dy (not shown) of the charging pump pFC circuit, and the electronic stability can be simplified. Circuit of the device. Figure 15 is a circuit diagram of a full-bridge galvanic electronic ballast of a current source charging pump pFC circuit having a reduced continuous current mode in accordance with an eleventh preferred embodiment of the present invention. The main difference between the fifteenth and fourteenth electronic ballasts is that the capacitance cin is connected differently than that shown in the fourteenth figure. Figure 16 is a circuit diagram of a full-bridge electronic ballast of a current source charging pump PFC circuit with a reduced continuous current mode according to a twelfth preferred embodiment of the present invention, having two sets of charging pumps PFC circuit

Lpfc/Dbrl/Cinl/Lxl/Csl 及 Lpfc/Dbr2/Cin2/Lx2/Cs2。包括 整流二極體Dbrl-Dbr4之一整流電路的二極體Dbrl與 · Dbr3,被用以取代該兩組充電幫浦PFC電路的等效二極體 Dyl/Dy2(均未顯示),俾能精簡該電子安定器之電路。 第十七圖為一依據本發明構想之第十三較佳實施例的 具精簡型連續電流模式之電流源充電幫浦PFC電路的全橋 式電子安定器之電路圖。第十七圖與第十六圖中所示之電 子安定器的主要不同處為,該兩電容Cinl/Cin2的連接方 式不同。 14 201216785 第十八圖為一依據本發明構想之第十四較佳實施例的 具精簡型連續電流模式之電流源充電幫浦功率因數修正的 全橋式電子安定器之電路圖。參閱第十八圖所示之電子安 定器,其包含一濾、波電路·,具一第一與一第二輸出端’’且 接收一交流輸入電壓,一整流電路,具一第一與一第二輸 入端與一第一輸出端,其中該第二輸入端耦合於該濾波電 路之該第二輸出端,一連續電流模式充電幫浦PFC電路, 包括一第一電感Lpfc,具一第一端與一第二端,其中該第 籲一端耦合於該整流電路之該第一輸入端,且該第二端耦合 於該濾波電路之該第一輸出端,一第一電容Cin,具一第 一端,一第二電容Cs,具一第一端與一第二端,其中該第 一端耦合於該第一電容Cin之該第一端,以及一第二電感 Lx,具一第一端,耦合於該第二電容Cs之該第二端,以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦PFC電 路,且產生一交流輸出電壓。 _ 參見第十八圖所示之電子安定器,其中該整流電路包 括二極體DbTl、該第一開關S1的旁路二極體、該第二開 關S2的旁路二極體以及二極體Dbr2,該二極體Dbrl被用 以取代充電幫浦PFC電路的Dy(未顯示),以簡化該電路。 該第一電容Cin更包括一第二端,耦合於該整流電路之該 第一輸出端,且該連續電流模式充電幫浦PFC電路是一連 續電流模式電流源充電幫浦PFC電路。 第十九圖為一依據本發明構想之第十五較佳實施例的 具精簡型連續電流模式之電流源充電幫浦PFC電路的全橋Lpfc/Dbrl/Cinl/Lxl/Csl and Lpfc/Dbr2/Cin2/Lx2/Cs2. The diodes Dbr1 and Dbr3 including one of the rectifier diodes Dbrl-Dbr4 are used to replace the equivalent diodes Dyl/Dy2 of the two sets of charging pump PFC circuits (all not shown), Streamline the circuit of the electronic ballast. Figure 17 is a circuit diagram of a full bridge electronic ballast of a current source charging pump PFC circuit having a reduced continuous current mode in accordance with a thirteenth preferred embodiment of the present invention. The main difference between the seventeenth and sixteenth electronic ballasts is that the two capacitors Cin1/Cin2 are connected differently. 14 201216785 FIG. 18 is a circuit diagram of a full bridge electronic ballast with a current source charging pump power factor correction in a reduced continuous current mode in accordance with a fourteenth preferred embodiment of the present invention. Referring to the electronic ballast shown in FIG. 18, comprising a filter, wave circuit, having a first and a second output terminal and receiving an AC input voltage, a rectifier circuit having a first and a first a second input end coupled to the first output end, wherein the second input end is coupled to the second output end of the filter circuit, a continuous current mode charging pump PFC circuit, including a first inductor Lpfc, having a first And a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit, a first capacitor Cin, having a first One end, a second capacitor Cs having a first end and a second end, wherein the first end is coupled to the first end of the first capacitor Cin, and the second inductor Lx has a first end And coupled to the second end of the second capacitor Cs, and a full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. _ See the electronic ballast shown in FIG. 18, wherein the rectifier circuit includes a diode DbT1, a bypass diode of the first switch S1, a bypass diode of the second switch S2, and a diode Dbr2, the diode Dbrl is used to replace the Dy (not shown) of the charge pump PFC circuit to simplify the circuit. The first capacitor Cin further includes a second end coupled to the first output of the rectifier circuit, and the continuous current mode charging pump PFC circuit is a continuous current mode current source charging pump PFC circuit. Figure 19 is a full bridge of a current source charging pump PFC circuit with a reduced continuous current mode in accordance with a fifteenth preferred embodiment of the present invention.

S 15 201216785 式電子安定器之電路圖。而第十九圖與第十八圖中所示之 電子安定器的主要不同處為,該第一電容Cin的連接方式 不同1在第十九圖中,該第一電容Cin之該第二端是輕合 於該整流電路之該第二輸出端。 如上述第五圖至第十九圖所示之各較佳實施例中,串 聯電感Lx/Lxl/Lx2之用途,乃是降低開關導通瞬間.,充電 幫浦電容Cin/Cin 1 /Cin2上的跨壓劇烈變化所導致的淺浪 電流(inrush current)。此外,該串聯電感lx/Lx1/Lx2也具 有儲存能量並轉換至負载端之功能。而在第十三圖中所額 外增加的一組LC串聯諧振槽(Cr/Lx),是用來提供一高頻 電壓源,以供充電幫浦電容Cin參考。而Dr系列(包含 Drl-Dr2或者Dr-Dr4)之各個二極體均為箝位二極體,主要 用於當開關截止時,電感上的電流為了維持續流,可藉由 =等箝位二極體來提供—釋能之路經,並可以減少與充電 幫浦電容㈤㈤/㈤相互共振㈣間,因此,具有降低 開關電壓應力之功能。 實施例 1.一種電子安定器,包含: 一濾波電路,具一第一與一宽^ 弟〜輸出端,且接收一交 流輸入電壓:; 一整流電路’具一第一與一第二輪入端與一第一輸出 ::其中該第二輸入端耦合於該濾波電路之該第二輸出 一連續電流模式充電幫浦功率因數修正(pFc)電路,包 201216785 括:: 一第一電感,具一第一端與一第二端,其中該第一 端耦合於該整流電路之該第一輸入端,且該第二端耦合於 該濾波電路之該第一輸出端; 一第一二極體,具一陽極與一陰極·,其中該陰極耦 合於該整流電路之該第一輸.出端; 一第二電感,具一第一端; 一第一電容·,具一第一端與一第二端,其中該第一 _ 端耦合於該第一電感之該第一端,且該第二端耦合於該第 一二極體之該陽極與該第二電感之該第一端;以及 一第二二極體,具一陰極耦合於該第二電感之該第 一端;.以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦 PFC電路,且產生一交流輸出電壓。 2.如實施例1所述之安定器更包括一第二電容,其中該整 _ 流電路更具一第二輸出端,該全橋式逆變器具一第一與一 第二輸入端、一中點、一第一與一第二輸出端以及一橋臂, 該橋臂包括一第一開關耦合於該全橋式逆變器之該第一輸 入端與該中點,且具一第一開關旁路二極體,以及一第二 開關耦合於該中點與該全橋式逆變器之該第二輸入端與一 第二開關-,且具一第二開關旁路二極體,該連續電流模式 充電幫浦PFC電路更包括具一陽極與一陰極之第三二極 體,該第三二極體之該陰極耦合於該第一二極體之該陰 極,且該第三二極體之該陽極耦合於該第一電容之該第一 17 201216785 端,該第二電感具一第二端,耦合於該全橋式逆變器之該 中點,該第一二極體之該陰極耦合於該全橋式逆變器之該 第一輸入端1且該全橋式逆變器之該第二輸入端耦合於該 整流電路之該第二輸出端,該整流電路包括該第三二極 體、該第一開關旁路二極體、該第二開關旁路二極體以及 一第四二極體,該第二二極體更包括一陽極、,耦合於該全 橋式逆變器之該第二輸入端,且該第二電容並聯電連接於 該全橋式逆變器之該第一與該第二輸出端。 3. 如上述任一實施例所述之安定器,其中該第二電容為一 輸出電容1且該連續電流模式充電幫浦PFC電路是一連續 電流模式電壓源充電幫浦PFC電路。 4. 如上述任一實施例所述之安定器,其中該連續電流模式 充電幫浦PFC電路更包括具一第一端與一第二端之第三電 容,該第三電容之該第一端耦合於該第二電感之該第一 端,該第三電容之該第二端耦合於該第二二極體之該陽極。 5. —種電子安定器,包含: 一濾波電路,具一第一與一第二輸出端·,且接收一交流 輸入電壓; 一整流電路,具一第一與一第二輸入端與一第一輸出 端,其中該第二輸入端耦合於該濾波電路之該第二輸出端; 一連續電流模式充電幫浦功率因數修正(PFC)電路,包 括: 一第一電感,具一第一端與一第二端,其中該第一端 耦合於該整流電路之該第一輸入端,且該第二端耦合於該 201216785 濾波電路之該第一輸出端; 一第二電感,具一第一端;以及 一第一電容,具一第一端與一第二端,其中該第一端 耦合於該第一電感之該第一端,且該第二端耦合於該第二 電感之該第一端;以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦PFC 電路,且產生一交流輸出電壓。 6. 如上述任一實施例所述之安定器更包括各具一陽極與一 • 陰極之一第一二極體與一第二二極體,其中該整流電路更 具一第二輸出端,該第一二極體之該陰極耦合於該整流電 路之該第一輸.出端,該第一二極體之該陽極耦合於該第一 電容之該第一端,該第二二極體之該陰極耦合於該第二電 感之該第一端,且該第二二極體之該陽極耦合於該整流電 路之該第二輸出端。 7. 如上述任一實施例所述之安定器,其中該全橋式逆變器 _ 具一第一與一第二輸入端以及一中點,該第二電感具一第 二端,該第二電感之該第二端耦合於該中點,該第一二極 體之該陰極耦合於該全橋式逆變器之該第一輸入端,且該 全橋式逆變器之該第二輸入端耦合於該整流電路之該第二 輸出端。 8. —種電子安定器,包含: 一濾波電路,具一第一與一第二輸出端,且接收一交 流輸入電壓; 一整流電路,具一第一與一第二輸入端與一第一輸出 201216785 端’其中該第二輸入端叙合於該據波電路之該第二輪出 端; 一連續電流模式充電幫浦功率因數修正(PFC)電路,包 括: 一第一電感,’具一第一端與一第二端,其中該第一 端麵合於該整流電路之該第一輸入端,且該第二端輕合於 該濾波電路之該第一輸出端; 一第一電容,具一第一端;Circuit diagram of the S 15 201216785 electronic ballast. The main difference between the electronic ballast shown in FIG. 19 and FIG. 18 is that the first capacitor Cin is connected differently. In the nineteenth figure, the second end of the first capacitor Cin It is lightly coupled to the second output of the rectifier circuit. In the preferred embodiments shown in the fifth to the nineteenth embodiments, the series inductor Lx/Lxl/Lx2 is used to reduce the on-time of the switch. The charging pump capacitor Cin/Cin 1 /Cin2 Inrush current caused by drastic changes in cross-pressure. In addition, the series inductor lx/Lx1/Lx2 also has the function of storing energy and converting to the load terminal. An additional set of LC series resonant tanks (Cr/Lx) added in Figure 13 is used to provide a high frequency voltage source for reference to the charging pump capacitor Cin. The diodes of the Dr series (including Drl-Dr2 or Dr-Dr4) are clamped diodes, which are mainly used to clamp the current on the inductor for continuous flow when the switch is turned off, and can be clamped by = The diode provides a way to release energy, and can reduce the mutual resonance between the charging pump capacitor (5) (five) / (five), and therefore, has the function of reducing the switching voltage stress. Embodiment 1. An electronic ballast comprising: a filter circuit having a first and a width-to-output terminal and receiving an AC input voltage: a rectifier circuit having a first and a second wheel And a first output: wherein the second input is coupled to the second output of the filter circuit, a continuous current mode charging pump power factor correction (pFc) circuit, package 201216785 includes: a first inductor, a first end and a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit; a first diode An anode and a cathode, wherein the cathode is coupled to the first output end of the rectifier circuit; a second inductor having a first end; a first capacitor having a first end and a first a second end, wherein the first end is coupled to the first end of the first inductor, and the second end is coupled to the anode of the first diode and the first end of the second inductor; a second diode having a cathode coupled to the first end of the second inductor; A full-bridge inverter is coupled to the charge pump continuous current mode PFC circuit, and generates an AC output voltage. 2. The ballast as described in the first embodiment further includes a second capacitor, wherein the whole stream circuit has a second output end, the first bridge and the second input end, the first bridge a midpoint, a first and a second output, and a bridge arm, the bridge arm including a first switch coupled to the first input end and the midpoint of the full bridge inverter, and having a first switch a bypass diode, and a second switch coupled to the midpoint and the second input end of the full bridge inverter and a second switch - and having a second switch bypass diode The continuous current mode charging pump PFC circuit further includes a third diode having an anode and a cathode, the cathode of the third diode being coupled to the cathode of the first diode, and the third diode The anode is coupled to the first 17 201216785 end of the first capacitor, and the second inductor has a second end coupled to the midpoint of the full bridge inverter, the first diode a cathode is coupled to the first input end 1 of the full bridge inverter and the second input end of the full bridge inverter is coupled to the rectification The second output end of the circuit, the rectifier circuit includes the third diode, the first switch bypass diode, the second switch bypass diode, and a fourth diode, the second The pole body further includes an anode coupled to the second input end of the full bridge inverter, and the second capacitor is electrically connected in parallel to the first and second output ends of the full bridge inverter . 3. The ballast of any of the preceding embodiments, wherein the second capacitor is an output capacitor 1 and the continuous current mode charge pump PFC circuit is a continuous current mode voltage source charging pump PFC circuit. 4. The ballast of any one of the preceding embodiments, wherein the continuous current mode charging pump PFC circuit further comprises a third capacitor having a first end and a second end, the first end of the third capacitor The second end of the third capacitor is coupled to the anode of the second diode. 5. An electronic ballast comprising: a filter circuit having a first and a second output terminal and receiving an AC input voltage; a rectifier circuit having a first and a second input and a first An output terminal, wherein the second input terminal is coupled to the second output end of the filter circuit; a continuous current mode charge pump power factor correction (PFC) circuit, comprising: a first inductor having a first end a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the 201216785 filter circuit; a second inductor having a first end And a first capacitor having a first end and a second end, wherein the first end is coupled to the first end of the first inductor, and the second end is coupled to the first end of the second inductor And a full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. 6. The ballast as in any one of the above embodiments further includes a first diode and a second diode each having an anode and a cathode, wherein the rectifier circuit further has a second output. The cathode of the first diode is coupled to the first output end of the rectifier circuit, the anode of the first diode is coupled to the first end of the first capacitor, the second diode The cathode is coupled to the first end of the second inductor, and the anode of the second diode is coupled to the second output of the rectifier circuit. 7. The ballast of any one of the preceding embodiments, wherein the full bridge inverter has a first and a second input end and a midpoint, the second inductor has a second end, the first The second end of the second inductor is coupled to the midpoint, the cathode of the first diode is coupled to the first input of the full bridge inverter, and the second of the full bridge inverter The input is coupled to the second output of the rectifier circuit. 8. An electronic ballast comprising: a filter circuit having a first and a second output and receiving an AC input voltage; a rectifier circuit having a first and a second input and a first Output 201216785 terminal 'where the second input is summed to the second round of the data circuit; a continuous current mode charging pump power factor correction (PFC) circuit, comprising: a first inductor, 'has one a first end and a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit; a first capacitor, Have a first end;

一第二電容,具一第一端與一第二端,其中該第一 端耦合於該第一電容之該第一端;以及 一第二電感,具一第一端,耦合於該第二電容之該 第二端;以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦 PFC電路’且產生一交流輸出電壓。 9·如上述任一實施例所述之安定器,其中該第一電容更包 括一第二端,耦合於該整流電路之該第一輸出端,且該連a second capacitor having a first end and a second end, wherein the first end is coupled to the first end of the first capacitor; and a second inductor having a first end coupled to the second end The second end of the capacitor; and a full bridge inverter coupled to the continuous current mode charging pump PFC circuit' and generating an AC output voltage. The ballast of any one of the preceding embodiments, wherein the first capacitor further comprises a second end coupled to the first output end of the rectifier circuit, and the connection

續電流模式充電幫浦PFC電路是-連續電流模式電流源充 電幫浦PFC電路。 H).如上述任-實施例所述之安定器.,其中該第一電容更 括一第二端,_合於該整流電路之該第二輸出端。 ^上所述,本發明提供1旲精簡型連續電流模心 電=PFC電路的純電子安以,因其使用充電幫浦 隹^,故擁有下述之優點:可減少電路所需元件數 而低電路成本,且具低輸入電流讀波失真與高功因 20 201216785 並可減小諸如PFC電感與EMI濾波器等元件的體積,以及 降低開關切換與二極體之導通損失,故其確實具有進步性 與新穎性。 疋以,縱使本案已由上述之實施例所詳細敘述而可由 熟悉本技藝之人士任施匠思而為諸般修飾,然皆不脫如附 申請專利範圍所欲保護者。 【圖式簡單說明】 第圖*係顯不-習知之兩級式電子安定器之電路圖; ^4 ’、係顯不一 S知之具不迷續電流模式充電幫浦 PFC電路的半橋式電子安定電路圖; ^係顯示知之連續電流模式之電壓源充電幫 肩PFC電路的等效電路之電路圖; 第四圖:其係顯示一習知之連續 浦肌電_祉電路之電路圖/減u充電幫 第五圖至第十二⑷圖:其係分 第一至第\私^土咸 m員示一依據本發明構想之 第十二_ ••其係顯示一依據本:定器之電路圖; 例的具精__㈣明構想之第人較佳實施 全橋式電子安u之輸人電壓與^充電幫浦PFC電路的 第十三圖··其係顯示—依據本發^電流的模擬波形圖, 的具精簡型連續電流模式之電切想之第九較佳實施例 橋式電子安定器之電路圖“x及以電幫浦PFC電路的全 第十四圖至第十九圖:其係分The continuous current mode charging pump PFC circuit is a continuous current mode current source charging pump PFC circuit. H). The ballast of any of the preceding embodiments, wherein the first capacitor further comprises a second end coupled to the second output of the rectifier circuit. As described above, the present invention provides a pure electronic current of a compact continuous current mode electrocardiogram=PFC circuit. Since it uses a charging pump, it has the following advantages: it can reduce the number of components required for the circuit. Low circuit cost, low input current read wave distortion and high power factor 20 201216785 and can reduce the size of components such as PFC inductors and EMI filters, as well as reduce switching losses and conduction losses of diodes, so it does have Progressive and novel. Even though the present invention has been described in detail by the above-described embodiments, it can be modified by those skilled in the art, and is not intended to be protected by the scope of the appended claims. [Simple diagram of the diagram] Figure 4 is a circuit diagram of a two-stage electronic ballast that is not known to the conventional technology; ^4 ', which is a half-bridge type electronic device that does not have a continuous current mode charging pump PFC circuit. Stability circuit diagram; ^ shows the circuit diagram of the equivalent circuit of the voltage source charging shoulder PFC circuit of the continuous current mode; the fourth picture shows the circuit diagram of a conventional continuous electromyography _ 祉 circuit / minus u charging Figure 5 to the twelfth (4) diagram: the first to the eleventh chapters of the stipulations of the present invention, the twelfth _ _ • • the system shows a basis: the circuit diagram of the device; The eleventh figure of the first person who has the idea of perfecting the full-bridge type electronic security and the charging of the PFC circuit of the charging pump is shown in the figure--the analog waveform diagram of the current according to the present invention. The circuit diagram of the bridge type electronic ballast of the ninth preferred embodiment with the simplified continuous current mode "x and the electric pump PFC circuit are all fourteenth to nineteenth: the system is divided into

S 顯示一依據本發明構想之 21 201216785 第十至第十五較佳實施例的具精簡型連續電流模式之電流 源充電幫浦PFC電路的全橋式電子安定器之電路圖。 【主要元件符號說明】 益S shows a circuit diagram of a full bridge electronic ballast of a current source charging pump PFC circuit with a reduced continuous current mode in accordance with the tenth to fifteenth preferred embodiment of the present invention. [Main component symbol description]

22twenty two

Claims (1)

201216785 七、申請專利範圍: 1. 一種電子安定器,包含: 一濾波電路,具一第一與一第二輸.出端,且接收一交 流輸入電壓; 一整流電路,具一第一與一第二輸入端與一第一輸出 端,其中該第二輸入端耦合於該濾波電路之該第二輸出 端 一連續電流模式充電幫浦功率因數修正(P F C)電路,包 φ 括: 一第一電感,具一第一端與一第二端 ',其中該第一 端耦合於該整流電路之該第一輸入端,且該第二端耦合於 該濾波電路之該第一輸出端; 一第一二極體,具一陽極與一陰極,其中該陰極耦 合於該整流電路之該第一輸出端; 一第二電感,具一第一端; 一第一電容,具一第一端與一第二端,其中該第一 ® 端耦合於該第一電感之該第一端,且該第二端耦合於該第 一二極體之該陽極與該第二電感之該第一端;以及 一第二二極體,具一陰極耦合於該第二電感之該第 一端;以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦 PFC電路,且產生一交流輸出電壓。 2. 如申請專利範圍第1項所述之安定器更包括一第二電 容,其中該整流電路更具一第二輸出端,該全橋式逆變器 23 201216785 具一第一與一第二輸入端、一中點、一第一與一第二輸出 端以及一橋臂,該橋臂包括一第一開關耦合於該全橋式逆 變器之該第一輸入端與該中點,且具一第一開關旁路二極 體,以及一第二開關耦合於該中點與該全橋式逆變器之該 第二輸入端與一第二開關,且具一第二開關旁路二極體, 該連續電流模式充電幫浦PFC電路更包括具一陽極與一陰 極之第三二極體,該第三二極體之該陰極耦合於該第一二 極體之該陰極,且該第三二極體之該陽極耦合於該第一電 容之該第一端,該第二電感具一第二端,耦合於該全橋式 φ 逆變器之該中點,該第一二極體之該陰極耦合於該全橋式 逆變器之該第一輸入端,且該全橋式逆變器之該第二輸入 端耦合於該整流電路之該第二輸出端,該整流電路包括該 第三二極體、該第一開關旁路二極體、該第二開關旁路二 極體以及一第四二極體,該第二二極體更包括一陽極,耦 合於該全橋式逆變器之該第二輸入端,且該第二電容並聯 電連接於該全橋式逆變器之該第一與該第二輸出端。 3. 如申請專利範圍第2項所述之安定器,其中該第二電容 * 為一輸出電容,且該連續電流模式充電幫浦PFC電路是一 連續電流模式電壓源充電幫浦PFC電路。 4. 如申請專利範圍第2項所述之安定器,其中該連續電流 模式充電幫浦PFC電路更包括具一第一端與一第二端之第 三電容,該筚三電容之該第一端耦合於該第二電感之該第 一端,該第三電容之該第二端耦合於該第二二極體之該陽 24 201216785 .5. —種電子安定器,包含:: 一濾波電路,具一第一與一第二輸出端,且接收一交流 輸入電壓; 一整流電路,具一第一與一第二輸入端與一第一輸出 端,其中該第二輸入端耦合於該濾波電路之該第二輸出端; 一連續電流模式充電幫浦功率因數修正(PFC)電路,包 括: 一第一電感,具一第一端與一第二端,其中該第一端 ⑩ 耦合於該整流電路之該第一輸入端,且該第二端耦合於該 濾波電路之該第一輸出端; 一第二電感,具一第一端;以及 一第一電容,具一第一端與一第二端,其中該第一端 耦合於該第一電感之該第一端,且該第二端编合於該第二 電感之該第一端;以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦PFC 電路,且產生一交流輸出電壓。 6. 如申請專利範圍第5項所述之安定器更包括各具一陽極 與一陰極之一第一二極體與一第二二極體,其中該整流電 路更具一第二輸出端,該第一二極體之該陰極耦合於該整 流電路之該第一輸出端,該第一二極體之該陽極耦合於該 第一電容之該第一端,該第二二極體之該陰極耦合於該第 二電感之該第一端,且該第二二極體之該陽極耦合於該整 流電路之該第二輸出端。 7. 如申請專利範圍第6項所述之安定器,其中該全橋式逆 s 25 201216785 變器具一第一與一第二輸入端以及一中點,該第二電感具 一第二端,該第二電感之該第二端耦合於該中點,該第一 二極體之該陰極耦合於該全橋式逆變器之該第一輸入端, 且該全橋式逆變器之該第二輸入端耦合於該整流電路之該 第二輸出端。 8. —種電子安定器,包含: 一濾波電路,具一第一與一第二輸出端,且接收一交 流輸入電壓; 一整流電路,具一第一與一第二輸入端與一第一輸出 _ 端,其中該第二輸入端耦合於該濾波電路之該第二輸出 端:; 一連續電流模式充電幫浦功率因數修正(PFC)電路,包 括: 一第一電感,具一第一端與一第二端,其中該第一 端耦合於該整流電路之該第一輸入端,且該第二端耦合於 該濾波電路之該第一輸出端; 一第一電容,具一第一端; 鲁 一第二電容,具一第一端與一第二端,其中該第一 端耦合於該第一電容之該第一端;以及 一第二電感,具一第一端,耦合於該第二電容之該 第二端;以及 一全橋式逆變器,耦合於該連續電流模式充電幫浦 PFC電路,且產生一交流輸出電壓。 9. 如申請專利範圍第8項所述之安定器,其中該第一電容 26 201216785 更包括一第二端,耦合於該整流電路之該第一輸出端,丑 該連續電流模式充電幫浦PFC電路是一連續電流模式電流 源充電幫浦PFC電路。 10.如申請專利範圍第8項所述之安定器,其中該第一電容 更包括一第二端,耦合於該整流電路之該第二輸出端。201216785 VII. Patent application scope: 1. An electronic ballast comprising: a filter circuit having a first and a second output terminal and receiving an AC input voltage; a rectifier circuit having a first and a first a second input end and a first output end, wherein the second input end is coupled to the second output end of the filter circuit, a continuous current mode charging pump power factor correction (PFC) circuit, and the package φ includes: a first An inductor having a first end and a second end ′, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit; a diode having an anode and a cathode, wherein the cathode is coupled to the first output of the rectifier circuit; a second inductor having a first end; a first capacitor having a first end and a first a second end, wherein the first end is coupled to the first end of the first inductor, and the second end is coupled to the anode of the first diode and the first end of the second inductor; a second diode having a cathode coupled to the first The first end of the second inductor; and a full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. 2. The ballast as described in claim 1 further includes a second capacitor, wherein the rectifier circuit further has a second output, the full bridge inverter 23 201216785 has a first and a second An input end, a midpoint, a first and a second output end, and a bridge arm, the bridge arm including a first switch coupled to the first input end and the midpoint of the full bridge inverter, and having a first switch bypass diode, and a second switch coupled to the midpoint and the second input of the full bridge inverter and a second switch, and having a second switch bypass diode The continuous current mode charging pump PFC circuit further includes a third diode having an anode and a cathode, the cathode of the third diode being coupled to the cathode of the first diode, and the The anode of the triode is coupled to the first end of the first capacitor, and the second inductor has a second end coupled to the midpoint of the full bridge φ inverter, the first diode The cathode is coupled to the first input of the full bridge inverter, and the second input of the full bridge inverter The end is coupled to the second output end of the rectifier circuit, the rectifier circuit includes the third diode, the first switch bypass diode, the second switch bypass diode, and a fourth diode The second diode further includes an anode coupled to the second input end of the full bridge inverter, and the second capacitor is electrically connected in parallel to the first and the second bridge inverter Second output. 3. The ballast of claim 2, wherein the second capacitor * is an output capacitor, and the continuous current mode charging pump PFC circuit is a continuous current mode voltage source charging pump PFC circuit. 4. The ballast of claim 2, wherein the continuous current mode charging pump PFC circuit further comprises a third capacitor having a first end and a second end, the first of the third capacitor The end is coupled to the first end of the second inductor, and the second end of the third capacitor is coupled to the anode of the second diode. 201216785. 5. An electronic ballast comprising: a filter circuit Having a first output and a second output terminal, and receiving an AC input voltage; a rectifier circuit having a first and a second input end and a first output end, wherein the second input end is coupled to the filter a second output of the circuit; a continuous current mode charging pump power factor correction (PFC) circuit comprising: a first inductor having a first end and a second end, wherein the first end 10 is coupled to the a first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit; a second inductor having a first end; and a first capacitor having a first end and a first end a second end, wherein the first end is coupled to the first inductor The first end, and the second end is coupled to the first end of the second inductor; and a full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage . 6. The ballast of claim 5, further comprising a first diode and a second diode each having an anode and a cathode, wherein the rectifier circuit further has a second output. The cathode of the first diode is coupled to the first output end of the rectifier circuit, the anode of the first diode is coupled to the first end of the first capacitor, and the second diode A cathode is coupled to the first end of the second inductor, and the anode of the second diode is coupled to the second output of the rectifier circuit. 7. The ballast of claim 6, wherein the full bridge inverse s 25 201216785 transformer has a first and a second input end and a midpoint, the second inductor has a second end, The second end of the second inductor is coupled to the midpoint, the cathode of the first diode is coupled to the first input of the full bridge inverter, and the full bridge inverter The second input is coupled to the second output of the rectifier circuit. 8. An electronic ballast comprising: a filter circuit having a first and a second output and receiving an AC input voltage; a rectifier circuit having a first and a second input and a first An output _ terminal, wherein the second input is coupled to the second output of the filter circuit: a continuous current mode charge pump power factor correction (PFC) circuit, comprising: a first inductor having a first end And a second end, wherein the first end is coupled to the first input end of the rectifier circuit, and the second end is coupled to the first output end of the filter circuit; a first capacitor having a first end a second capacitor having a first end and a second end, wherein the first end is coupled to the first end of the first capacitor; and a second inductor having a first end coupled to the first end The second end of the second capacitor; and a full bridge inverter coupled to the continuous current mode charging pump PFC circuit and generating an AC output voltage. 9. The ballast of claim 8, wherein the first capacitor 26 201216785 further includes a second end coupled to the first output of the rectifier circuit, the ugly continuous current mode charging pump PFC The circuit is a continuous current mode current source charging pump PFC circuit. 10. The ballast of claim 8, wherein the first capacitor further comprises a second end coupled to the second output of the rectifier circuit. 2727
TW99134816A 2010-10-12 2010-10-12 Full-bridge electronic ballast having simplified continuous-current-mode charge pump pfc circuit TWI433603B (en)

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TW99134816A TWI433603B (en) 2010-10-12 2010-10-12 Full-bridge electronic ballast having simplified continuous-current-mode charge pump pfc circuit
US13/271,714 US9013111B2 (en) 2010-10-12 2011-10-12 Full-bridge electronic ballast having simplified continuous-conduction-mode charge pump PFC circuit
CA2755178A CA2755178C (en) 2010-10-12 2011-10-12 Full-bridge electronic ballast having simplified continuous-conduction-mode charge pump pfc circuit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI845206B (en) * 2023-03-14 2024-06-11 光寶科技股份有限公司 Power factor correction circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI845206B (en) * 2023-03-14 2024-06-11 光寶科技股份有限公司 Power factor correction circuit

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