CN208210363U - A kind of high PF Intelligent dimming circuit structure of high integration - Google Patents

A kind of high PF Intelligent dimming circuit structure of high integration Download PDF

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Publication number
CN208210363U
CN208210363U CN201820174756.1U CN201820174756U CN208210363U CN 208210363 U CN208210363 U CN 208210363U CN 201820174756 U CN201820174756 U CN 201820174756U CN 208210363 U CN208210363 U CN 208210363U
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module
pin
capacitor
resistor
constant current
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依斯坎旦尔·克然木
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Changsha Tak Yang Microelectronics Co Ltd
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Changsha Tak Yang Microelectronics Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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Abstract

本实用新型公开了一种高集成度高PF智能调光电路结构，包括输入端L、输入端N、整流桥BRG、恒流芯片U1、信号产生芯片U2、电阻R1、电阻R2、电阻R3、电阻R4、电阻R5、电容C1、电容C3、电容C4、电容C5、电容C6、电感L1、二极管D1、二极管D2、二极管D3、功率开关管M1、功率开关管M2、辅助绕组AUX、输出端正极及输出端负极。有益效果：PWM信号是由U2接收手机蓝牙设备的控制信号并转换成恒高、恒低或0‑100％占空比的脉冲信号来实现的，进而达到智能调光的目的。

The utility model discloses a highly integrated and high PF intelligent dimming circuit structure, which comprises an input terminal L, an input terminal N, a rectifier bridge BRG, a constant current chip U1, a signal generating chip U2, a resistor R1, a resistor R2, a resistor R3, Resistor R4, resistor R5, capacitor C1, capacitor C3, capacitor C4, capacitor C5, capacitor C6, inductor L1, diode D1, diode D2, diode D3, power switch tube M1, power switch tube M2, auxiliary winding AUX, positive output terminal and output terminal negative. Beneficial effects: the PWM signal is realized by U2 receiving the control signal of the Bluetooth device of the mobile phone and converting it into a pulse signal of constant high, constant low or 0-100% duty cycle, thereby achieving the purpose of intelligent dimming.

Description

A kind of high PF Intelligent dimming circuit structure of high integration
Technical field
The utility model relates to light adjusting circuit technical fields, it particularly relates to a kind of high PF intelligent dimming of high integration Circuit structure.
Background technique
The energy consumption of traditional fluorescent lamp pipe is high, the service life is short, and has used the heavy metal element of many pollution environment, runs counter to ring The main trend of border protection, as the high speed development LED illumination of LED technology is increasingly becoming the only choosing of novel green illumination, just Gradually substitute traditional fluorescent lamp pipe, LED principle of luminosity, energy-saving and environmental protection level on all be far superior to traditional lighting products.For The brightness of illumination of the different occasions of adaptation, dimming mode used by each production firm emerge one after another, and most is exactly to transport LED lamp is dimmed with traditional controllable silicon dimmer and remote controler, not only to reinstall line in this way and And also add many costs.In daily life, with the variation of ambient brightness, we can adjust the brightness of lamps and lanterns to adapt to The lighting requirement that human eye must reach when reading.Traditional lamp light-regulating method be by manually adjust resistance, increase and decrease it is silicon-controlled The electric current of trigger electrode, control output voltage is to change the mean power of light bulb, to obtain different brightness, hand-operating light is not only numb It is tired, and the subjective feeling degree for relying on user completely is dimmed, therefore can not be by the brightness regulation of lamps and lanterns to reasonable brightness with suitable Answer the variation of ambient brightness.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of high PF Intelligent dimming circuit structure of high integration, To overcome above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of high PF Intelligent dimming circuit structure of high integration, including input terminal L, input terminal N, rectifier bridge BRG, constant current core Piece U1, signal generate chip U2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, capacitor C1, capacitor C3, capacitor C4, It is capacitor C5, capacitor C6, inductance L1, diode D1, diode D2, diode D3, power switch tube M1, power switch tube M2, auxiliary Help winding AUX, output head anode and negative pole of output end, wherein the input terminal L first end with the rectifier bridge BRG respectively And the diode D2 anode connection, the input terminal N respectively with the third end of the rectifier bridge BRG and the diode D3 Anode connection, the rectifier bridge BRG second end ground connection, the 4th end of the rectifier bridge BRG respectively with the diode D1 Cathode, one end of the resistance R4, one end of the capacitor C4 and the output head anode connection, the diode D2's Cathode is connect with the drain electrode of the cathode of the diode D3, one end of the resistance R5 and the power switch tube M2 respectively, institute The grid for stating power switch tube M2 is connect with pin HV on the other end of the resistance R5 and the constant current chip U1 respectively, described Power switch tube M2 source electrode is connect with pin VDD on the capacitor C1 and the constant current chip U1 respectively, the constant current chip U1 Upper pin DRV is connect with the grid of the power switch M1, and the drain electrode of the power switch M1 is respectively with the diode D1's One end of the positive and described inductance L1 connects, the other end of the inductance L1 respectively with the other end of the resistance R4, the electricity Hold the other end and the negative pole of output end connection of C4, also, is arranged between the output head anode and the negative pole of output end Have a LED light group, the source electrode of the power switch M1 respectively with one end of pin CS and the resistance R3 on the constant current chip U1 The other end of connection, the resistance R3 is grounded, and pin COMP is grounded by capacitor C3 on the constant current chip U1, the constant current core Pin GND is grounded on piece U1, and pin DIM is connect with the first end that the signal generates chip U1 on the constant current chip U1, The signal generates chip U2 and connect respectively with pin LDO on one end of the capacitor C6 and the constant current chip U1, the electricity The other end for holding C6 generates the third end of chip U2, one end of the auxiliary winding AUX, the resistance with the signal respectively One end of R2, the capacitor C5 one end connect and ground, the one of the other end of the auxiliary winding AUX and the resistance R1 End connection, the other end of the resistance R1 respectively with the other end of the resistance R2, the other end of the capacitor C5 and the perseverance Flow pin FB connection on chip U1.
Further, the constant current chip U1 includes GM module, CMP1 module, CMP2 module, S&H module, VREF mould Block, LDO1 module, PWM-LOGIC module, VDD-DETECT module, DRIVER module, FB-DET module and REGULATOR& UVLO module, wherein the pin LDO is connect with the pin DRV, the pin HV and the LDO1 module respectively, described Pin DRV is connect with the third end of the pin COMP and the DRIVER module respectively, the DRIVER module second end point It is not connect with the LDO1 module, the VDD-DETECT module, the REGULATOR&UVLO module and the pin VDD, The pin HV is connect with the pin VDD and the VDD-DETECT module respectively, and the pin VDD and the pin FB connect It connects, the pin FB is connect by the FB-DET module with the first end of the PWM-LOGIC module, the PWM-LOGIC The second end of module is connect with the first end of the CMP1 module, the third end of the PWM-LOGIC module and the CMP1 mould The third end of block connects, and the 4th end of PWM-LOGIC module is connect with the third end of the CMP2, the PWM-LOGIC mould The 5th end of block is connect with the DRIVER module first end, the second end of the CMP1 module third with the GM module respectively The first end of end and the pin COMP connection, the GM module passes through the VREF module ground, the VREF module and institute State pin DIM connection, the pin DIM is connect with the pin FB and the pin CS respectively, the pin CS respectively with institute State one end of S&H module, the second end of the GM module, the first end of the CMP2 module and the pin GND connection, institute It states pin GND to connect with the pin COMP, the second end of the S&H module is connect with the second end of the GM module.
Further, the signal generates the control signal that chip U2 receives Bluetooth of mobile phone equipment.
Further, the input terminal L and the input terminal N input value be frequency 50-60Hz, voltage 85V-265V Alternating current.
Further, the constant current chip U1 voltage allowed band is 12V-25V.
Further, linear voltage-stabilizing circuit is provided on the constant current chip U1, also, the linear voltage-stabilizing circuit is letter Number generate chip U2 provide 3.3V voltage.
Further, the capacitor C4 is electrolytic capacitor.
Wherein, English used by the utility model is described below:
PF: power factor.
CMP: comparator.
The drain electrode of DRAIN:MOS pipe.
DRVER: drive module.
PWM-LOGIC: pulsewidth modulation logic module.
REGULATOR&UVLO: supply voltage adjuster and under-voltage protecting circuit.
FB-DET: feedback detection module.
FB: feedback port.
SAW: sawtooth wave generation module.
GM: spaning waveguide operational amplifier.
CS: current detecting port.
COMP: compensation port.
The utility model has the following beneficial effects: the high PF Intelligent dimming circuit knot of a kind of high integration provided by the utility model Structure, the basic function of this circuit are the amplitude in input AC electricity, output LED both end voltage, environment temperature and each first device In the case that part characteristic is degenerated in a certain range, system still can guarantee the constant current supply of default, drive LED light Group shines, which completed by constant current chip U1.And this is structurally characterized in that intelligent dimming function, which is by U1 chip It receives the pulse-width signal PWM that U2 is generated to complete, electric current, PWM can be exported with linear regulation according to the duty ratio of pwm signal Signal is to receive the control signal of Bluetooth of mobile phone equipment by U2 and be converted into permanent high, permanent low or 0-100% duty ratio pulse letter It number realizes, permanent height corresponds to maximum brightness, permanent low to close, corresponding linear luminance value when having a pulse, and then completes intelligence The purpose that can be dimmed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram according to a kind of high PF Intelligent dimming circuit structure of high integration of the utility model embodiment；
Fig. 2 is the chip U2 according to a kind of high PF Intelligent dimming circuit structure of high integration of the utility model embodiment Structural schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of high PF Intelligent dimming circuit structure of high integration.
As shown in Figs. 1-2, according to the high PF Intelligent dimming circuit structure of the high integration of the utility model embodiment, including it is defeated Enter to hold L, input terminal N, rectifier bridge BRG, constant current chip U1, signal to generate chip U2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, capacitor C1, capacitor C3, capacitor C4, capacitor C5, capacitor C6, inductance L1, diode D1, diode D2, diode D3, power switch tube M1, power switch tube M2, auxiliary winding AUX, output head anode and negative pole of output end, wherein the input End L is connect with the anode of the first end of the rectifier bridge BRG and the diode D2 respectively, the input terminal N respectively with it is described The anode connection of the third end of rectifier bridge BRG and the diode D3, the second end ground connection of the rectifier bridge BRG, the rectification The 4th end of bridge BRG respectively with the cathode of the diode D1, one end of the resistance R4, one end of the capacitor C4 and described Output head anode connection, the cathode of the diode D2 respectively with the cathode of the diode D3, the resistance R5 one end and The drain electrode of the power switch tube M2 connects, the grid of the power switch tube M2 respectively with the other end of the resistance R5 and institute State pin HV connection on constant current chip U1, the power switch tube M2 source electrode respectively with the capacitor C1 and constant current chip U1 Upper pin VDD connection, pin DRV is connect with the grid of the power switch M1 on the constant current chip U1, the power switch The drain electrode of M1 is connect with one end of the positive and described inductance L1 of the diode D1 respectively, the other end point of the inductance L1 It is not connect with the other end of the resistance R4, the other end of the capacitor C4 and the negative pole of output end, also, the output end It is positive to be provided with LED light group between the negative pole of output end, the source electrode of the power switch M1 respectively with the constant current chip One end of U1 upper pin CS and the resistance R3 connect, the other end ground connection of the resistance R3, pin on the constant current chip U1 COMP is grounded by capacitor C3, and pin GND is grounded on the constant current chip U1, on the constant current chip U1 pin DIM with it is described Signal generates the first end connection of chip U1, the signal generate chip U2 respectively with one end of the capacitor C6 and the constant current Pin LDO connection on chip U1, the other end of the capacitor C6 generate the third end, described auxiliary of chip U2 with the signal respectively Help one end of winding AUX, one end of the resistance R2, the capacitor C5 one end connect and ground, the auxiliary winding AUX's The other end is connect with one end of the resistance R1, the other end of the resistance R1 respectively with the other end of the resistance R2, described Pin FB connection on the other end of capacitor C5 and the constant current chip U1.
In one embodiment, the constant current chip U1 include GM module, CMP1 module, CMP2 module, S&H module, VREF module, LDO1 module, PWM-LOGIC module, VDD-DETECT module, DRIVER module, FB-DET module and REGULATOR&UVLO module, wherein the pin LDO respectively with the pin DRV, the pin HV and the LDO1 module Connection, the pin DRV are connect with the third end of the pin COMP and the DRIVER module respectively, the DRIVER mould Block second end respectively with the LDO1 module, the VDD-DETECT module, the REGULATOR&UVLO module and described draw Foot VDD connection, the pin HV are connect with the pin VDD and the VDD-DETECT module respectively, the pin VDD and institute Pin FB connection is stated, the pin FB is connect by the FB-DET module with the first end of the PWM-LOGIC module, described The second end of PWM-LOGIC module is connect with the first end of the CMP1 module, the third end of the PWM-LOGIC module with The third end of the CMP1 module connects, and the 4th end of PWM-LOGIC module is connect with the third end of the CMP2, described The 5th end of PWM-LOGIC module is connect with the DRIVER module first end, the second end of the CMP1 module respectively with it is described The third end of GM module and the pin COMP connection, the first end of the GM module are described by the VREF module ground VREF module is connect with the pin DIM, and the pin DIM is connect with the pin FB and the pin CS respectively, described to draw Foot CS respectively with one end of the S&H module, the second end of the GM module, the first end of the CMP2 module and the pin GND connection, the pin GND are connect with the pin COMP, and the second of the second end of the S&H module and the GM module End connection.
In one embodiment, the signal generates the control signal that chip U2 receives Bluetooth of mobile phone equipment.
In one embodiment, the input terminal L and the input terminal N input value are frequency 50-60Hz, voltage 85V- The alternating current of 265V.
In one embodiment, the constant current chip U1 voltage allowed band is 12V-25V.
In one embodiment, linear voltage-stabilizing circuit, also, linear voltage stabilization electricity are provided on the constant current chip U1 Road generates chip U2 for signal and provides 3.3V voltage.
In one embodiment, the capacitor C4 is electrolytic capacitor.
It when concrete application, is driven as intelligent LED, control signal need to be obtained from Bluetooth of mobile phone equipment, with the control signal Output electric current is adjusted, to achieve the purpose that adjust LED luminance, in the process, when equipment control lamp goes out, system should enter Standby mode wait next time open or dim signal, i.e. VDD, LDO of U1 need to keep operating voltage, this function generally by One standby switches power circuit drops to 10V to 20V range, and the low-ripple voltage of 5V or 3.3V are then transformed into LDO chip Give wireless chip.In circuit framework, standby power chip and standby power peripheral component are saved, and LDO is integrated into In main control chip so that system peripherals circuit is simpler, easily designed, under this system frame, the task of standby power by D2, D3, M2, R5, C1 are completed, and chip U1 is detected by VDD pin, and VDD amplitude is controlled by HV foot, so that VDD stablizes default Voltage value.
In conclusion by means of the above-mentioned technical proposal of the utility model, a kind of high integration provided by the utility model High PF Intelligent dimming circuit structure, the basic function of this circuit are amplitude, output the LED both end voltage, ring in input AC electricity In the case that border temperature and each part characteristic are degenerated in a certain range, system still can guarantee the constant of default Electric current supply, driving LED light group shine, which completed by constant current chip U1.And this is structurally characterized in that intelligent dimming function Can, which is to receive the pulse-width signal PWM that U2 is generated by U1 chip to complete, can be with line according to the duty ratio of pwm signal Property adjust output electric current, pwm signal is to receive the control signal of Bluetooth of mobile phone equipment by U2 and be converted into permanent high, the low or 0- of perseverance The pulse signal of 100% duty ratio realizes, permanent height corresponds to maximum brightness, permanent low to close, corresponding line when having a pulse Property brightness value, and then complete intelligent dimming purpose.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (7)

1.一种高集成度高PF智能调光电路结构，其特征在于，包括输入端L、输入端N、整流桥BRG、恒流芯片U1、信号产生芯片U2、电阻R1、电阻R2、电阻R3、电阻R4、电阻R5、电容C1、电容C3、电容C4、电容C5、电容C6、电感L1、二极管D1、二极管D2、二极管D3、功率开关管M1、功率开关管M2、辅助绕组AUX、输出端正极及输出端负极，其中，所述输入端L分别与所述整流桥BRG的第一端及所述二极管D2的正极连接，所述输入端N分别与所述整流桥BRG的第三端及所述二极管D3的正极连接，所述整流桥BRG的第二端接地，所述整流桥BRG的第四端分别与所述二极管D1的负极、所述电阻R4的一端、所述电容C4的一端及所述输出端正极连接，所述二极管D2的负极分别与所述二极管D3的负极、所述电阻R5的一端及所述功率开关管M2的漏极连接，所述功率开关管M2的栅极分别与所述电阻R5的另一端及所述恒流芯片U1上引脚HV连接，所述功率开关管M2源极分别与所述电容C1及所述恒流芯片U1上引脚VDD连接，所述恒流芯片U1上引脚DRV与所述功率开关M1的栅极连接，所述功率开关M1的漏极分别与所述二极管D1的正极及所述电感L1的一端连接，所述电感L1的另一端分别与所述电阻R4的另一端、所述电容C4的另一端及所述输出端负极连接，并且，所述输出端正极与所述输出端负极之间设置有LED灯组，所述功率开关M1的源极分别与所述恒流芯片U1上引脚CS及所述电阻R3的一端连接，所述电阻R3的另一端接地，所述恒流芯片U1上引脚COMP通过电容C3接地，所述恒流芯片U1上引脚GND接地，所述恒流芯片U1上引脚DIM与所述信号产生芯片U1的第一端连接，所述信号产生芯片U2分别与所述电容C6的一端及所述恒流芯片U1上引脚LDO连接，所述电容C6的另一端分别与所述信号产生芯片U2的第三端、所述辅助绕组AUX的一端、所述电阻R2的一端、所述电容C5的一端连接并接地，所述辅助绕组AUX的另一端与所述电阻R1的一端连接，所述电阻R1的另一端分别与所述电阻R2的另一端、所述电容C5的另一端及所述恒流芯片U1上引脚FB连接。1. A highly integrated and high PF intelligent dimming circuit structure, characterized in that it includes an input terminal L, an input terminal N, a rectifier bridge BRG, a constant current chip U1, a signal generating chip U2, a resistor R1, a resistor R2, and a resistor R3 , resistor R4, resistor R5, capacitor C1, capacitor C3, capacitor C4, capacitor C5, capacitor C6, inductor L1, diode D1, diode D2, diode D3, power switch tube M1, power switch tube M2, auxiliary winding AUX, output positive pole and the negative pole of the output terminal, wherein, the input terminal L is respectively connected to the first terminal of the rectifier bridge BRG and the anode of the diode D2, and the input terminal N is respectively connected to the third terminal and the anode of the rectifier bridge BRG. The anode of the diode D3 is connected, the second end of the rectifier bridge BRG is grounded, and the fourth end of the rectifier bridge BRG is respectively connected to the cathode of the diode D1, one end of the resistor R4, and one end of the capacitor C4 connected to the anode of the output terminal, the cathode of the diode D2 is respectively connected to the cathode of the diode D3, one end of the resistor R5 and the drain of the power switch M2, and the gate of the power switch M2 respectively connected to the other end of the resistor R5 and the pin HV on the constant current chip U1; the source of the power switch tube M2 is respectively connected to the capacitor C1 and the pin VDD on the constant current chip U1; The pin DRV on the constant current chip U1 is connected to the gate of the power switch M1, the drain of the power switch M1 is respectively connected to the anode of the diode D1 and one end of the inductor L1, and the inductor L1 The other end is respectively connected to the other end of the resistor R4, the other end of the capacitor C4, and the negative pole of the output terminal, and an LED light group is arranged between the positive pole of the output terminal and the negative pole of the output terminal, and the The source of the power switch M1 is respectively connected to the pin CS on the constant current chip U1 and one end of the resistor R3, the other end of the resistor R3 is grounded, and the pin COMP on the constant current chip U1 is grounded through the capacitor C3 , the pin GND on the constant current chip U1 is grounded, the pin DIM on the constant current chip U1 is connected to the first end of the signal generating chip U1, and the signal generating chip U2 is respectively connected to one end of the capacitor C6 and the pin LDO on the constant current chip U1, the other end of the capacitor C6 is respectively connected to the third end of the signal generating chip U2, one end of the auxiliary winding AUX, one end of the resistor R2, the One end of the capacitor C5 is connected to ground, the other end of the auxiliary winding AUX is connected to one end of the resistor R1, and the other end of the resistor R1 is respectively connected to the other end of the resistor R2, the other end of the capacitor C5 and The constant current chip U1 is connected to the pin FB. 2.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述恒流芯片U1包括GM模块、CMP1模块、CMP2模块、S&H 模块、VREF模块、LDO1模块、PWM-LOGIC模块、VDD-DETECT模块、DRIVER模块、FB-DET模块及REGULATOR&UVLO模块，其中，所述引脚LDO分别与所述引脚DRV、所述引脚HV及所述LDO1模块连接，所述引脚DRV分别与所述引脚COMP及所述DRIVER模块的第三端连接，所述DRIVER模块第二端分别与所述LDO1模块、所述VDD-DETECT模块、所述REGULATOR&UVLO模块及所述引脚VDD连接，所述引脚HV分别与所述引脚VDD及所述VDD-DETECT模块连接，所述引脚VDD与所述引脚FB连接，所述引脚FB通过所述FB-DET模块与所述PWM-LOGIC模块的第一端连接，所述PWM-LOGIC模块的第二端与所述CMP1模块的第一端连接，所述PWM-LOGIC模块的第三端与所述CMP1模块的第三端连接，所述PWM-LOGIC模块第四端与所述CMP2的第三端连接，所述PWM-LOGIC模块第五端与所述DRIVER模块第一端连接，所述CMP1模块的第二端分别与所述GM模块的第三端及所述引脚COMP连接，所述GM模块的第一端通过所述VREF模块接地，所述VREF模块与所述引脚DIM连接，所述引脚DIM分别与所述引脚FB及所述引脚CS连接，所述引脚CS分别与所述S&H模块的一端、所述GM模块的第二端、所述CMP2模块的第一端及所述引脚GND连接，所述引脚GND与所述引脚COMP连接，所述S&H模块的第二端与所述GM模块的第二端连接。2. A highly integrated and high PF intelligent dimming circuit structure according to claim 1, wherein the constant current chip U1 includes a GM module, a CMP1 module, a CMP2 module, an S&H module, a VREF module, and an LDO1 module , PWM-LOGIC module, VDD-DETECT module, DRIVER module, FB-DET module and REGULATOR&UVLO module, wherein, described pin LDO is connected with described pin DRV, described pin HV and described LDO1 module respectively, so The pin DRV is respectively connected to the pin COMP and the third end of the DRIVER module, and the second end of the DRIVER module is respectively connected to the LDO1 module, the VDD-DETECT module, the REGULATOR&UVLO module and the The pin VDD is connected, the pin HV is respectively connected to the pin VDD and the VDD-DETECT module, the pin VDD is connected to the pin FB, and the pin FB passes through the FB-DET The module is connected to the first end of the PWM-LOGIC module, the second end of the PWM-LOGIC module is connected to the first end of the CMP1 module, and the third end of the PWM-LOGIC module is connected to the CMP1 module The third end of the PWM-LOGIC module is connected to the third end of the CMP2, the fifth end of the PWM-LOGIC module is connected to the first end of the DRIVER module, and the first end of the CMP1 module The two ends are respectively connected to the third end of the GM module and the pin COMP, the first end of the GM module is grounded through the VREF module, the VREF module is connected to the pin DIM, and the lead The pin DIM is respectively connected with the pin FB and the pin CS, and the pin CS is respectively connected with one end of the S&H module, the second end of the GM module, the first end of the CMP2 module and the The pin GND is connected, the pin GND is connected to the pin COMP, and the second end of the S&H module is connected to the second end of the GM module. 3.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述信号产生芯片U2接收手机蓝牙设备的控制信号。3 . A highly integrated high PF intelligent dimming circuit structure according to claim 1 , wherein the signal generating chip U2 receives a control signal from a mobile phone Bluetooth device. 4 . 4.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述输入端L与所述输入端N输入值为频率50-60Hz、电压85V-265V的交流电。4. A highly integrated and high PF intelligent dimming circuit structure according to claim 1, characterized in that the input values of the input terminal L and the input terminal N are those with a frequency of 50-60Hz and a voltage of 85V-265V. alternating current. 5.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述恒流芯片U1电压允许范围是12V-25V。5 . The highly integrated and high PF intelligent dimming circuit structure according to claim 1 , wherein the allowable voltage range of the constant current chip U1 is 12V-25V. 6.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述恒流芯片U1上设置有线性稳压电路，并且，所述线性稳压电路为信号产生芯片U2提供3.3V电压。6. A highly integrated and high PF intelligent dimming circuit structure according to claim 1, characterized in that, the constant current chip U1 is provided with a linear voltage regulator circuit, and the linear voltage regulator circuit is a signal The generating chip U2 provides 3.3V voltage. 7.根据权利要求1所述的一种高集成度高PF智能调光电路结构，其特征在于，所述电容C4为电解电容。7 . The highly integrated high PF intelligent dimming circuit structure according to claim 1 , wherein the capacitor C4 is an electrolytic capacitor.
CN201820174756.1U 2018-01-31 2018-01-31 A kind of high PF Intelligent dimming circuit structure of high integration Expired - Fee Related CN208210363U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110099476A (en) * 2018-01-31 2019-08-06 长沙泰科阳微电子有限公司 A kind of high PF Intelligent dimming circuit structure of high integration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110099476A (en) * 2018-01-31 2019-08-06 长沙泰科阳微电子有限公司 A kind of high PF Intelligent dimming circuit structure of high integration
CN110099476B (en) * 2018-01-31 2024-03-15 长沙泰科阳微电子有限公司 High-integration-level high-PF intelligent dimming circuit structure

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