CN204013269U - power driving circuit - Google Patents
power driving circuit Download PDFInfo
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- CN204013269U CN204013269U CN201420453692.0U CN201420453692U CN204013269U CN 204013269 U CN204013269 U CN 204013269U CN 201420453692 U CN201420453692 U CN 201420453692U CN 204013269 U CN204013269 U CN 204013269U
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Abstract
The utility model has provided a kind of power driving circuit, comprises the first diode group D1～eight diode D8, the first capacitor C 1～nine capacitor C 9, the first resistance R 1～nine resistance R 9, the first metal-oxide-semiconductor Q1～four metal-oxide-semiconductor Q4, the first inductance T1～six inductance T6, voltage control cake core TL494.The power driving circuit the utility model proposes, accurately cut-offfing of control switch device, for Switching Power Supply provides smart metastable voltage signal.
Description
Technical field
The utility model relates to field of power supplies, relates in particular to a kind of power driving circuit.
Background technology
Along with the develop rapidly of current power electronic technology, particularly developing rapidly of high-power MOS Manifold technology, the application of switching power supply is more extensive.The operating frequency of Switching Power Supply is brought up to 150-200kHz by this development, makes the switching loss of power supply less, and the operating efficiency of power supply can be up to 90%-95%.Replace Industrial Frequency Transformer with high frequency transformer, the volume and weight of power supply has significantly and reduces; Output voltage ripple is reduced in 0.05% simultaneously, and stability can reach 0.5%-1%, and antijamming capability is strong and intelligent degree is high.Based on these good characteristics, high-power switchgear power supply is more widely used in industry and military affairs.In particle accelerator, electromagnetic emission, electromagnetic propulsion, microwave weapon isopulse power technology application, the average power of this type of power-supply device is conventionally at hundreds of kilowatt more than even several megawatts, volume and weight only has 1/tens of linear power supply, and operating efficiency is but high a lot of than linear power supply.And small-power switching power-supply is mainly used in the field such as household electrical appliances, IT, on the electronic equipments such as computer, color television set, stored-program control exchange, video camera, Set Top Box, VCD, electronic game machine.
Drive circuit is one of core the most of Switching Power Supply, does not have its Switching Power Supply just can not work normally, because it is controlling turning on and off of switching tube.Its task is mainly for Switching Power Supply provides control voltage signal, and cut-offfing of control switch device, reaches the conversion of DC-AC, for later boosting of power supply provides condition.The utility model proposes a kind of power driving circuit, accurately cut-offfing of control switch device, for Switching Power Supply provides smart metastable voltage signal.
Utility model content
In view of this, the utility model provides a kind of power driving circuit, comprise the first diode group D1～eight diode D8, the first capacitor C 1～nine capacitor C 9, the first resistance R 1～nine resistance R 9, the first metal-oxide-semiconductor Q1～four metal-oxide-semiconductor Q4, the first inductance T1～six inductance T6, voltage control cake core TL494, wherein, described the first capacitor C 1 and the second capacitor C 2 parallel connections, the 3rd capacitor C 3 and the 4th capacitor C 4 parallel connections, and, parallel connection type capacitance group C1 and C2 carry out in parallel with parallel connection type capacitance group C3 and C4 again, one end of described C1 connects the output of the 6th diode D6 and the output of the 8th diode D8, and 12 pins of TL494, the other end connects the input of the 5th diode D5 and the input of the 7th diode D7, and ground connection, the output of the output of the 5th diode D5 and the 7th diode D7 connects respectively the two poles of the earth of power supply, 1 pin of voltage control cake core TL494,2 pins, 4 pins, 7 pins, 9 pins, 10 pins, 15 pins, 16 pin ground connection, 3 pins are vacant, 5 pins are by the 5th capacitor C 5 ground connection, 6 pins are by the 3rd resistance R 3 and the 4th resistance R 4 ground connection of series connection, 8 pins connect the grid of the 3rd metal-oxide-semiconductor Q3 and the grid of the 4th metal-oxide-semiconductor Q4, 11 pins connect the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2, 13 pins and 14 pins are by the first resistance R 1 ground connection, one termination 12 pins of the second resistance R 2, another termination 11 pins, one termination 12 pins of the 5th resistance R 5, another termination 8 pins, the source electrode of the first metal-oxide-semiconductor Q1 connects 12 pins, and drain electrode connects the drain electrode of the second metal-oxide-semiconductor Q2, the source ground of the second metal-oxide-semiconductor Q2, the source electrode of the 3rd metal-oxide-semiconductor Q3 connects 12 pins, drain electrode connects the drain electrode of the 4th metal-oxide-semiconductor Q4, the source ground of the 4th metal-oxide-semiconductor Q4, and the source electrode of each metal-oxide-semiconductor is connected by diode with drain electrode, the drain electrode of termination of the same name the first metal-oxide-semiconductor Q1 of the first inductance T1, the source electrode of different name termination the second metal-oxide-semiconductor Q2, termination of the same name the 6th resistance R 6 and the 7th resistance R 7 of the second inductance T2, the input of another termination the 3rd diode D3 of the 6th resistance R 6, the different name end of another termination second inductance T2 of another termination the 6th capacitor C 6, the six capacitor C 6 of the 7th resistance R 7, the input of termination of the same name the first diode D1 of the 3rd inductance T3, the output of different name termination the 7th capacitor C 7 and the 3rd diode D3, the output of another termination first diode D1 of the 7th capacitor C 7 also connects the different name end of the second inductance T2, the drain electrode of termination of the same name the 3rd metal-oxide-semiconductor Q3 of the 4th inductance T4, different name end ground connection, termination of the same name the 8th resistance R 8 and the 9th resistance R 9 of the 5th inductance T5, different name termination the 8th capacitor C 8, the other end of another termination the 9th resistance R 9 of the 8th capacitor C 8 and the output of the second diode D2, the input of another termination the 4th diode D4 of the 8th resistance R 8, the output head grounding of the 4th diode D4, the input of termination of the same name the second diode D2 of the 6th inductance T6, different name end the 9th capacitor C 9 ground connection, the output of another termination the second diode D2 of the 9th capacitor C 9 and the different name end of the 5th inductance T5, wherein, the first inductance T1 and the second inductance T2 and the 3rd inductance T3 coupling, and the second inductance T2 and the 3rd inductance T3 are homonymy, the 4th inductance T4 and the 5th inductance T5 and the 6th inductance T6 coupling, and the 5th inductance T5 and the 6th inductance T6 are homonymy.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the power driving circuit that Fig. 1 provides for the utility model one embodiment.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is carried out to clear, complete description, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
Fig. 1 for the utility model one embodiment provide the structural representation of power driving circuit, as shown in Figure 1, the power driving circuit of the present embodiment, comprise the first diode group D1～eight diode D8, the first capacitor C 1～nine capacitor C 9, the first resistance R 1～nine resistance R 9, the first metal-oxide-semiconductor Q1～four metal-oxide-semiconductor Q4, the first inductance T1～six inductance T6, voltage control cake core TL494, wherein, described the first capacitor C 1 and the second capacitor C 2 parallel connections, the 3rd capacitor C 3 and the 4th capacitor C 4 parallel connections, and, parallel connection type capacitance group C1 and C2 carry out in parallel with parallel connection type capacitance group C3 and C4 again, one end of described C1 connects the output of the 6th diode D6 and the output of the 8th diode D8, and 12 pins of TL494, the other end connects the input of the 5th diode D5 and the input of the 7th diode D7, and ground connection, the output of the output of the 5th diode D5 and the 7th diode D7 connects respectively the two poles of the earth of power supply, 1 pin of voltage control cake core TL494,2 pins, 4 pins, 7 pins, 9 pins, 10 pins, 15 pins, 16 pin ground connection, 3 pins are vacant, 5 pins are by the 5th capacitor C 5 ground connection, 6 pins are by the 3rd resistance R 3 and the 4th resistance R 4 ground connection of series connection, 8 pins connect the grid of the 3rd metal-oxide-semiconductor Q3 and the grid of the 4th metal-oxide-semiconductor Q4, 11 pins connect the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2, 13 pins and 14 pins are by the first resistance R 1 ground connection, one termination 12 pins of the second resistance R 2, another termination 11 pins, one termination 12 pins of the 5th resistance R 5, another termination 8 pins, the source electrode of the first metal-oxide-semiconductor Q1 connects 12 pins, and drain electrode connects the drain electrode of the second metal-oxide-semiconductor Q2, the source ground of the second metal-oxide-semiconductor Q2, the source electrode of the 3rd metal-oxide-semiconductor Q3 connects 12 pins, drain electrode connects the drain electrode of the 4th metal-oxide-semiconductor Q4, the source ground of the 4th metal-oxide-semiconductor Q4, and the source electrode of each metal-oxide-semiconductor is connected by diode with drain electrode, the drain electrode of termination of the same name the first metal-oxide-semiconductor Q1 of the first inductance T1, the source electrode of different name termination the second metal-oxide-semiconductor Q2, termination of the same name the 6th resistance R 6 and the 7th resistance R 7 of the second inductance T2, the input of another termination the 3rd diode D3 of the 6th resistance R 6, the different name end of another termination second inductance T2 of another termination the 6th capacitor C 6, the six capacitor C 6 of the 7th resistance R 7, the input of termination of the same name the first diode D1 of the 3rd inductance T3, the output of different name termination the 7th capacitor C 7 and the 3rd diode D3, the output of another termination first diode D1 of the 7th capacitor C 7 also connects the different name end of the second inductance T2, the drain electrode of termination of the same name the 3rd metal-oxide-semiconductor Q3 of the 4th inductance T4, different name end ground connection, termination of the same name the 8th resistance R 8 and the 9th resistance R 9 of the 5th inductance T5, different name termination the 8th capacitor C 8, the other end of another termination the 9th resistance R 9 of the 8th capacitor C 8 and the output of the second diode D2, the input of another termination the 4th diode D4 of the 8th resistance R 8, the output head grounding of the 4th diode D4, the input of termination of the same name the second diode D2 of the 6th inductance T6, different name end the 9th capacitor C 9 ground connection, the output of another termination the second diode D2 of the 9th capacitor C 9 and the different name end of the 5th inductance T5, wherein, the first inductance T1 and the second inductance T2 and the 3rd inductance T3 coupling, and the second inductance T2 and the 3rd inductance T3 are homonymy, the 4th inductance T4 and the 5th inductance T5 and the 6th inductance T6 coupling, and the 5th inductance T5 and the 6th inductance T6 are homonymy.
The drive circuit device of the present embodiment is voltage control cake core TL494, and TL494 is the integrated circuit (IC) chip that a kind of PWM of voltage mode control controls and drives.The PWM due to it with 180 ° of two-way phase phasic differences drives signal output, so be widely used for forming monofocal (positive activation type and inverse-excitation type) and double-end type (semibridge system, full-bridge type and the push-pull type) Type of Switch Stabilivolt Source Circuit of voltage mode control.Its inside comprises two, and independently error amplifier, adjustable oscillator, a Dead Time control comparator, a pulsed controller and the precision of voltage regulation of frequency can reach 5% internal reference voltage source.Main performance:
(1) there is complete PWM driving circuits.
(2) having 200mA absorbs and the driving force of output current.
(3) there is single-ended or both-end parallel operation ability.
(4) there is the out drive stage of two-way phase phasic difference 180o.
(5) there is Dead Time adjustable function, thereby can realize the control of the parameter areas such as overheated, overvoltage and overcurrent.
(6) inner 5V reference voltage source has 5% precision of voltage regulation.
(7) there is outer synchronizing function.
(8) operating frequency can be optional between 1-300kHz.
(9) input supply voltage can reach 40V.
The power driving circuit of the present embodiment first produces by TL494 the pulse signal driving, then passes through the power amplification of power tube, by boosting of transformer, and rectification etc., the pulse signal that output satisfies condition is realized the conversion of voltage DC-AC.Wherein, the function of the pin of TL494 is respectively:
Power driving circuit of the present utility model in order to reduce on state resistance or pressure drop, the driving voltage of high-power high voltage MOSFET pipe will have 12-15V, makes grid-source drive pulse voltage amplitude as far as possible greatly to reach the effect that reduces on state resistance or pressure drop; In addition,, because the puncture voltage between grid-source is about 50V, for preventing puncturing between grid-source, can adopt clamp voltage is that the Xiao Te diode of 20V clamps over-voltage and makes the output voltage of drive circuit be less than 20V for this reason.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, and these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (1)
1. a power driving circuit, it is characterized in that, described circuit comprises the first diode group D1～eight diode D8, the first capacitor C 1～nine capacitor C 9, the first resistance R 1～nine resistance R 9, the first metal-oxide-semiconductor Q1～four metal-oxide-semiconductor Q4, the first inductance T1～six inductance T6, voltage control cake core TL494, wherein, described the first capacitor C 1 and the second capacitor C 2 parallel connections, the 3rd capacitor C 3 and the 4th capacitor C 4 parallel connections, and, parallel connection type capacitance group C1 and C2 carry out in parallel with parallel connection type capacitance group C3 and C4 again, one end of described C1 connects the output of the 6th diode D6 and the output of the 8th diode D8, and 12 pins of TL494, the other end connects the input of the 5th diode D5 and the input of the 7th diode D7, and ground connection, the output of the output of the 5th diode D5 and the 7th diode D7 connects respectively the two poles of the earth of power supply, 1 pin of voltage control cake core TL494,2 pins, 4 pins, 7 pins, 9 pins, 10 pins, 15 pins, 16 pin ground connection, 3 pins are vacant, 5 pins are by the 5th capacitor C 5 ground connection, 6 pins are by the 3rd resistance R 3 and the 4th resistance R 4 ground connection of series connection, 8 pins connect the grid of the 3rd metal-oxide-semiconductor Q3 and the grid of the 4th metal-oxide-semiconductor Q4, 11 pins connect the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2, 13 pins and 14 pins are by the first resistance R 1 ground connection, one termination 12 pins of the second resistance R 2, another termination 11 pins, one termination 12 pins of the 5th resistance R 5, another termination 8 pins, the source electrode of the first metal-oxide-semiconductor Q1 connects 12 pins, and drain electrode connects the drain electrode of the second metal-oxide-semiconductor Q2, the source ground of the second metal-oxide-semiconductor Q2, the source electrode of the 3rd metal-oxide-semiconductor Q3 connects 12 pins, drain electrode connects the drain electrode of the 4th metal-oxide-semiconductor Q4, the source ground of the 4th metal-oxide-semiconductor Q4, and the source electrode of each metal-oxide-semiconductor is connected by diode with drain electrode, the drain electrode of termination of the same name the first metal-oxide-semiconductor Q1 of the first inductance T1, the source electrode of different name termination the second metal-oxide-semiconductor Q2, termination of the same name the 6th resistance R 6 and the 7th resistance R 7 of the second inductance T2, the input of another termination the 3rd diode D3 of the 6th resistance R 6, the different name end of another termination second inductance T2 of another termination the 6th capacitor C 6, the six capacitor C 6 of the 7th resistance R 7, the input of termination of the same name the first diode D1 of the 3rd inductance T3, the output of different name termination the 7th capacitor C 7 and the 3rd diode D3, the output of another termination first diode D1 of the 7th capacitor C 7 also connects the different name end of the second inductance T2, the drain electrode of termination of the same name the 3rd metal-oxide-semiconductor Q3 of the 4th inductance T4, different name end ground connection, termination of the same name the 8th resistance R 8 and the 9th resistance R 9 of the 5th inductance T5, different name termination the 8th capacitor C 8, the other end of another termination the 9th resistance R 9 of the 8th capacitor C 8 and the output of the second diode D2, the input of another termination the 4th diode D4 of the 8th resistance R 8, the output head grounding of the 4th diode D4, the input of termination of the same name the second diode D2 of the 6th inductance T6, different name end the 9th capacitor C 9 ground connection, the output of another termination the second diode D2 of the 9th capacitor C 9 and the different name end of the 5th inductance T5, wherein, the first inductance T1 and the second inductance T2 and the 3rd inductance T3 coupling, and the second inductance T2 and the 3rd inductance T3 are homonymy, the 4th inductance T4 and the 5th inductance T5 and the 6th inductance T6 coupling, and the 5th inductance T5 and the 6th inductance T6 are homonymy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453692.0U CN204013269U (en) | 2014-08-07 | 2014-08-07 | power driving circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420453692.0U CN204013269U (en) | 2014-08-07 | 2014-08-07 | power driving circuit |
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| CN204013269U true CN204013269U (en) | 2014-12-10 |
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| CN201420453692.0U Expired - Fee Related CN204013269U (en) | 2014-08-07 | 2014-08-07 | power driving circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049242A (en) * | 2020-03-13 | 2020-04-21 | 山东凯马汽车制造有限公司 | Charging current ripple suppression device of vehicle-mounted charger of electric vehicle |
| CN113054922A (en) * | 2021-02-24 | 2021-06-29 | 浙江宝狮电子有限公司 | Drive circuit for driving square transformer |
-
2014
- 2014-08-07 CN CN201420453692.0U patent/CN204013269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049242A (en) * | 2020-03-13 | 2020-04-21 | 山东凯马汽车制造有限公司 | Charging current ripple suppression device of vehicle-mounted charger of electric vehicle |
| CN113054922A (en) * | 2021-02-24 | 2021-06-29 | 浙江宝狮电子有限公司 | Drive circuit for driving square transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Puyang Electronic Technology Co., Ltd. Assignor: Zheng Min Contract record no.: 2015440000568 Denomination of utility model: Switch power source driving circuit Granted publication date: 20141210 License type: Exclusive License Record date: 20150817 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |