CN110176855A - A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J - Google Patents
A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J Download PDFInfo
- Publication number
- CN110176855A CN110176855A CN201910468165.4A CN201910468165A CN110176855A CN 110176855 A CN110176855 A CN 110176855A CN 201910468165 A CN201910468165 A CN 201910468165A CN 110176855 A CN110176855 A CN 110176855A
- Authority
- CN
- China
- Prior art keywords
- hcpl
- igbt
- circuit
- active clamp
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Abstract
The present invention discloses a kind of active clamp protection circuit of IGBT driving based on HCPL-316J; it is related to integrated circuit fields; including control module, HCPL-316J driving chip, IGBT current foldback circuit and active clamp protection circuit; the HCPL-316J driving chip used; with overcurrent soft turn-off function; there is light-coupled isolation between its internal input and output, while reducing the number of devices of driving circuit, improve system stability, safety；Active clamp protection circuit is added between the collector and grid of IGBT, between the collector of IGBT and HCPL-316J driving output Vout (ground level of push-pull circuit) simultaneously; guarantee that the peak voltage generated because of stray inductance present in inverter circuit will not damage IGBT in IGBT shutdown moment.
Description
Technical field
The present invention relates to integrated circuit fields, and in particular to a kind of active clamp of the IGBT driving based on HCPL-316J
Protect circuit.
Background technique
IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor is (double by BJT
Polar form triode) and MOSFET (insulating gate type field effect tube) composition compound full-control type voltage driven type power semiconductor device
Part.
BJT saturation pressure reduces, and current carrying density is big, but driving power is larger；MOSFET driving power very little, switching speed
Fastly, the advantages of but conduction voltage drop is big, and current carrying density is small, and IGBT combines both the above device, driving power is small and saturation pressure
It reduces.It is highly suitable to be applied for the converter system field that mainstream voltage is 600V or more, is electricity with the fastest developing speed at present
Power electronic device, wherein the driving and protection of IGBT is its most important thing.
Current IGBT drive circuit is mostly to directly drive or isolation drive, and required allowance is larger, and system is huge, nothing
For method fully against the various Problem of Failure caused by the extraneous interference and own system, system stability is poor with reliability.
Summary of the invention
The active clamp protection circuit for the IGBT driving based on HCPL-316J that the purpose of the present invention is to provide a kind of, makes
HCPL-316J driving chip has overcurrent soft turn-off function, has light-coupled isolation between internal input and output, subtracting
While the number of devices of few driving circuit, system stability, safety are improved；Simultaneously IGBT collector and grid it
Between, the collector of IGBT and HCPL-316J driving output Vout (ground level of push-pull circuit) between be added to active clamp protection
Circuit guarantees that the peak voltage generated because of stray inductance present in inverter circuit will not damage in IGBT shutdown moment
Ruin IGBT.
A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J, including control module, HCPL-316J
Driving chip, IGBT current foldback circuit and active clamp protection circuit；
The control module includes DSP unit, connects PWM output end on the PWM output pin of DSP unit, exports PWM
Wave, in reset signal and FAULT signal communication to the I/O port of DSP unit, respectively HCPL-316J chip provide reset signal and
As failure back transfer interface, connecting resistance prevents IGBT overcurrent protection in DSP initialization procedure on the PWM output pin of DSP unit
Circuit misleads, and FAULT signal connecting line road concatenates a diode；
The HCPL-316J driving chip and DSP are implemented in combination with the driving of IGBT current foldback circuit, and HCPL-316J drives
Altogether with DSP unit, outlet side connects DC/DC modular power source for the input side power supply of dynamic chip, output voltage be+15V and-
8V, and several shunt capacitances are connected between+15V power end, -8V power end and ground；
The IGBT current foldback circuit is connect with the end DESAT of HCPL-316J driving chip, and DESAT terminate into
Two FR107 fast recovery diodes and two 1N4148 diodes protect HCPL-316J chip as clamp diode；
The active clamp protection circuit is connect with the end Vout of HCPL-316J driving chip, active clamp protection circuit
The two-way TVS pipe of 18V in parallel between grid and emitter passes through TVS pipe and two ES1D fast-recovery commutation diode connections
The gate pole and collector of IGBT simultaneously connect the collector of IGBT and the ground level of push-pull circuit.
It preferably, include optical coupling isolation circuit and push-pull driver circuit inside the HCPL-316J driving chip, DSP is defeated
Out after pwm signal to HCPL-316J driving chip, pwm signal is by optical coupling isolation circuit, then carries out function through push-pull driver circuit
Rate amplification, drives IGBT current foldback circuit.
Preferably, when the IGBT current foldback circuit drives, DSP unit only needs an I/O port to connect as failure passback
Mouthful.
Preferably, two FR107 fast recovery diodes are serially connected, and two 1N4148 diodes are mutually simultaneously
Connection.
Preferably, 5 shunt capacitances, this 5 bypasses are connected between+15V the power end and ground of the DC/DC modular power source
Capacitor is parallel with one another, also connects 5 shunt capacitances between the -8V power end and ground of the DC/DC modular power source, this 5 bypasses
Capacitor is also parallel with one another.
Preferably, the threshold voltage of the TVS pipe is higher than its DC bus-bar voltage, and lower than IGBT current foldback circuit
Safe voltage.
The present invention has the advantages that the HCPL-316J driving chip used, has overcurrent soft turn-off function, it is internal defeated
Entering has light-coupled isolation between output, while reducing the number of devices of driving circuit, improve system stability, safety；
Simultaneously between the collector and grid of IGBT, the collector of IGBT and HCPL-316J driving output the Vout (base of push-pull circuit
Grade) between be added to active clamp protection circuit, guarantee in IGBT shutdown moment, because of stray electrical present in inverter circuit
The peak voltage felt and generated will not damage IGBT.
Detailed description of the invention
Fig. 1 is way circuit schematic diagram of the invention；
Fig. 2 is circuit protection working principle diagram in the present invention；
Fig. 3 is control module circuit diagram in the present invention；
Fig. 4 is HCPL-316J driving chip and peripheral circuit figure in the present invention；
Fig. 5 is IGBT current foldback circuit figure in the present invention；
Fig. 6 is active clamp protection circuit figure in the present invention；
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figures 1 to 6, a kind of active clamp protection circuit of the IGBT driving based on HCPL-316J, including control
Module, HCPL-316J driving chip, IGBT current foldback circuit and active clamp protection circuit；
The control module includes DSP unit, connects PWM output end on the PWM output pin of DSP unit, exports PWM
Wave, in reset signal and FAULT signal communication to the I/O port of DSP unit, respectively HCPL-316J chip provide reset signal and
As failure back transfer interface, connecting resistance prevents IGBT overcurrent protection in DSP initialization procedure on the PWM output pin of DSP unit
Circuit misleads, and FAULT signal connecting line road concatenates a diode；Control module generally refers to DSP, FPGA's or both
Associated units are mainly used for sending pwm pulse, HCPL-316J chip reset and failure passback.The present invention selects DSP unit
For control module, specific connection exports PWM wave as shown in figure 3, PWM4 is connected on the PWM output pin of DSP unit；It resets
Signal is directly coupled on the I/O port of DSP unit, provides reset signal for HCPL-316J chip；FAULT signal connects DSP unit
I/O port on, as failure back transfer interface.Pull down resistor IR3 is to prevent IGBT overcurrent protection electricity in DSP unit initialization procedure
Road misleads, and addition ID1 diode is to consider only to need an I/O port as failure when the driving of multichannel IGBT current foldback circuit
Back transfer interface.
The HCPL-316J driving chip and DSP are implemented in combination with the driving of IGBT current foldback circuit, and HCPL-316J drives
Altogether with DSP unit, outlet side connects DC/DC modular power source for the input side power supply of dynamic chip, output voltage be+15V and-
8V, and several shunt capacitances are added between+15V power end, -8V power end and ground；HCPL-316J driving chip is a kind of light
Coupling isolation drive device, is internally integrated collector emitter voltage undersaturation detection circuit and fault feedback circuit, had
Flow soft switching and light-coupled isolation function, compatible with COM S/TTL level.IGBT current foldback circuit can be achieved in conjunction with DSP unit
Driving, so that IGBT current foldback circuit is more compact, cost is cheaper.DSP unit output pwm signal inputs mould through PWM
Block is connected to HCPL-316J, carries out power amplification by its internal optical coupling isolation circuit, then through push-pull driver circuit, drives
IGBT current foldback circuit.
As shown in figure 4, HCPL-316J driving chip is light-coupled isolation driving element, input side power supply and DSP unit are total
Ground, the power supply of its outlet side selects the dedicated DC/DC modular power source of IGBT driver of golden rising Yang, output voltage in the present invention
It is internal to use asymmetric voltage output form for+15V/120mA and -8V/120mA, reduce IGBT current foldback circuit
Drive loss, while there is output short circuit protection and automatic recovery ability.A large amount of shunt capacitances are added between+15V, -8V and ground
A large amount of transient currents are provided during while reducing Ripple Noise in switch conversion, guarantee having for IGBT current foldback circuit
Effect conducting.,
The IGBT current foldback circuit is connect with the end DESAT of HCPL-316J driving chip, and DESAT terminate into
Two FR107 fast recovery diodes and two 1N4148 diodes protect HCPL-316J chip as clamp diode；When
In conducting overcurrent occurs for IGBT current foldback circuit, due to the characteristic of IGBT current foldback circuit, UCE(circuit collector and hair
Voltage between emitter-base bandgap grading) sharply increase, fast recovery diode ID4, ID5 detect UCEValue, if it exceeds setting UCEProtection electricity
Pressure, then the end DESAT input voltage is greater than 7V, moves back saturation protection circuit and starts to work, HCPL-316J locks low level output, closes
Disconnected IGBT current foldback circuit, while the end FAULT exports low level to DSP unit.VDESATThe threshold electricity of (DESAT port voltage)
Pressure is 7V, VDESAT=UCE+nUD(UDFor the pressure drop of fast recovery diode, n is the number of fast recovery diode), so UCE=
VDESAT-nUD, U can be adjusted by increasing or decreasing the number of fast recovery diodeCEValue, the present invention select two FR107
Fast recovery diode；Two 1N4148 diodes protect HCPL-316J chip as clamp diode.The following Fig. 5 institute of circuit diagram
Show.
The active clamp protection circuit is connect with the end Vout of HCPL-316J driving chip, active clamp protection circuit
The two-way TVS pipe of 18V in parallel between grid and emitter passes through TVS pipe and two ES1D fast-recovery commutation diode connections
The gate pole and collector of IGBT current foldback circuit simultaneously connect the collector of IGBT current foldback circuit and the base of push-pull circuit
Grade.
As shown in fig. 6, easily being punctured due to the grid pressure resistance about ± 20V of IGBT current foldback circuit beyond the value
And damage, the present invention between grid and emitter the two-way TVS pipe ID6 of 18V in parallel, such case can be prevented.?
The collector of IGBT current foldback circuit has high voltage connection, once the gate pole level of IGBT current foldback circuit is hanging, because
The miller capacitance C of IGBT current foldback circuitGEEffect, may result in IGBT current foldback circuit and mislead, burn out IGBT
The presence of current foldback circuit, the IR5 resistance in figure can give miller capacitance CGERelease channel is provided, prevents from misleading.
By two ES1D fast-recovery commutation diodes of TVS pipe and ID10, ID11 in IGBT current foldback circuit
It establishes and contacts between gate pole and collector, the collector of IGBT current foldback circuit and the ground level of push-pull circuit, work as UCEVoltage
When excessively high, TVS pipe is breakdown, since the shutdown triode in push-pull circuit at this time is in the open state, flows into the electric current of TVS pipe
Most of ground level for entering push-pull circuit, small part enter IGBT current foldback circuit gate pole.Into IGBT current foldback circuit
The part of gate pole the quick response of IGBT current foldback circuit may be implemented；Into the part of the ground level of push-pull circuit, so that
Triode is turned off still in opening state, plays the role of bypass to TVS pipe electric current.
Selection for TVS pipe, threshold voltage needs to be higher than DC bus-bar voltage, lower than IGBT current foldback circuit
Safe voltage is rule of thumb typically chosen TVS pipe series connection, the threshold voltage V after connectingTHIt is 1.1 times of busbar voltage.This
The busbar voltage V of inventionDCFor 600V, 3 SMBJ220CA series connection are selected.
It include optical coupling isolation circuit and push-pull driver circuit inside the HCPL-316J driving chip, DSP exports PWM letter
Number to after HCPL-316J driving chip, pwm signal is by optical coupling isolation circuit, then carries out power amplification through push-pull driver circuit,
Drive IGBT current foldback circuit.Push-pull driver circuit plays the role of amplifying pwm signal.
When the IGBT current foldback circuit drives, DSP unit only needs an I/O port as failure back transfer interface.It saves
Route and interface.
Described two FR107 fast recovery diodes are serially connected, and described two 1N4148 diodes are parallel with one another.
5 shunt capacitances, 5 shunt capacitance phases are connected between+15V the power end and ground of the DC/DC modular power source
It is mutually in parallel, 5 shunt capacitances are also connected between -8V the power end and ground of the DC/DC modular power source, 5 shunt capacitances
It is parallel with one another.A large amount of transient currents are provided during while reducing Ripple Noise in switch conversion, guarantee that IGBT overcurrent is protected
Effective conducting of protection circuit.
The threshold voltage of the TVS pipe is higher than its DC bus-bar voltage, and lower than the safety electricity of IGBT current foldback circuit
Pressure.Ensure the sensitivity of TVS pipe.
Specific embodiment and principle
It is control module that the present invention, which selects DSP unit, and specific connection is as shown in figure 3, PWM4 is connected to the PWM of DSP unit
On output pin, PWM wave is exported；Reset signal is directly coupled on the I/O port of DSP unit, provides reset for HCPL-316J chip
Signal；FAULT signal connects on the I/O port of DSP unit, as failure back transfer interface.Pull down resistor IR3 is at the beginning of preventing DSP unit
IGBT current foldback circuit misleads during beginningization, and addition ID1 diode is to consider the driving of multichannel IGBT current foldback circuit
When only need an I/O port as failure back transfer interface；
And HCPL-316J driving chip is selected, HCPL-316J driving chip is a kind of light-coupled isolation driving element, interior
Portion integrates collector emitter voltage undersaturation detection circuit and fault feedback circuit, have overcurrent soft switching and optocoupler every
From function, compatible with COM S/TTL level.The driving that IGBT current foldback circuit can be achieved in conjunction with DSP unit, so that IGBT mistake
Stream protection circuit is more compact, and cost is cheaper.DSP unit output pwm signal is connected to HCPL- through PWM input module
316J carries out power amplification, driving IGBT overcurrent protection electricity by its internal optical coupling isolation circuit, then through push-pull driver circuit
Road；
As shown in figure 4, HCPL-316J driving chip is light-coupled isolation driving element, input side power supply and DSP unit are total
Ground, the power supply of its outlet side selects the dedicated DC/DC modular power source of IGBT driver of golden rising Yang, output voltage in the present invention
It is internal to use asymmetric voltage output form for+15V/120mA and -8V/120mA, reduce IGBT current foldback circuit
Drive loss, while there is output short circuit protection and automatic recovery ability.A large amount of shunt capacitances are added between+15V, -8V and ground
A large amount of transient currents are provided during while reducing Ripple Noise in switch conversion, guarantee having for IGBT current foldback circuit
Effect conducting.,
Overcurrent occurs when IGBT current foldback circuit is in conducting, due to the characteristic of IGBT current foldback circuit, UCE(circuit
Voltage between collector and emitter) sharply increase, fast recovery diode ID4, ID5 detect UCEValue, if it exceeds setting
UCEVoltage is protected, then the end DESAT input voltage is greater than 7V, moves back saturation protection circuit and starts to work, HCPL-316J locks low electricity
Flat output turns off IGBT current foldback circuit, while the end FAULT exports low level to DSP unit.VDESAT(the port DESAT electricity
Pressure) threshold voltage be 7V, VDESAT=UCE+nUD(UDFor the pressure drop of fast recovery diode, n is the number of fast recovery diode),
So UCE=VDESAT-nUD, U can be adjusted by increasing or decreasing the number of fast recovery diodeCEValue, the present invention select
Two FR107 fast recovery diodes；Two 1N4148 diodes protect HCPL-316J chip as clamp diode.Circuit diagram
It is illustrated in fig. 5 shown below.
And as shown in fig. 6, due to the grid pressure resistance about ± 20V of IGBT current foldback circuit, beyond the value easily by it
Puncture and damage, the present invention between grid and emitter the two-way TVS pipe ID6 of 18V in parallel, this feelings can be prevented
Condition.There is high voltage connection in the collector of IGBT current foldback circuit, once the gate pole level of IGBT current foldback circuit is hanging,
Because of the miller capacitance C of IGBT current foldback circuitGEEffect, may result in IGBT current foldback circuit and mislead, burn out
The presence of IGBT current foldback circuit, the IR5 resistance in figure can give miller capacitance CGERelease channel is provided, prevents from misleading；
By two ES1D fast-recovery commutation diodes of TVS pipe and ID10, ID11 in IGBT current foldback circuit
It establishes and contacts between gate pole and collector, the collector of IGBT current foldback circuit and the ground level of push-pull circuit, work as UCEVoltage
When excessively high, TVS pipe is breakdown, since the shutdown triode in push-pull circuit at this time is in the open state, flows into the electric current of TVS pipe
Most of ground level for entering push-pull circuit, small part enter IGBT current foldback circuit gate pole.Into IGBT current foldback circuit
The part of gate pole the quick response of IGBT current foldback circuit may be implemented；Into the part of the ground level of push-pull circuit, so that
Triode is turned off still in opening state, plays the role of bypass to TVS pipe electric current；
Selection for TVS pipe, threshold voltage needs to be higher than DC bus-bar voltage, lower than IGBT current foldback circuit
Safe voltage is rule of thumb typically chosen TVS pipe series connection, the threshold voltage V after connectingTHIt is 1.1 times of busbar voltage.This
The busbar voltage V of inventionDCFor 600V, 3 SMBJ220CA series connection are selected.
Based on HCPL-316J driving chip above-mentioned, that the present invention uses, there is overcurrent soft turn-off function, internal input
There is light-coupled isolation between output, while reducing the number of devices of driving circuit, improve system stability, safety；Together
When between the collector and grid of IGBT, the collector of IGBT and HCPL-316J driving output the Vout (base of push-pull circuit
Grade) between be added to active clamp protection circuit, guarantee in IGBT shutdown moment, because of stray electrical present in inverter circuit
The peak voltage felt and generated will not damage IGBT.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. it is a kind of based on HCPL-316J IGBT driving active clamp protection circuit, which is characterized in that including control module,
HCPL-316J driving chip, IGBT current foldback circuit and active clamp protection circuit；
The control module includes DSP unit, connects PWM output end on the PWM output pin of DSP unit, exports PWM wave, multiple
On position signal and FAULT signal communication to the I/O port of DSP unit, respectively HCPL-316J chip provides reset signal and conduct
Failure back transfer interface, connecting resistance prevents IGBT current foldback circuit in DSP initialization procedure on the PWM output pin of DSP unit
It misleads, FAULT signal connecting line road concatenates a diode；
The HCPL-316J driving chip and DSP are implemented in combination with the driving of IGBT current foldback circuit, and HCPL-316J drives core
Altogether with DSP unit, outlet side connects DC/DC modular power source for the input side power supply of piece, and output voltage is+15V and -8V, and
Several shunt capacitances are connected between+15V power end, -8V power end and ground；
The IGBT current foldback circuit is connect with the end DESAT of HCPL-316J driving chip, and is terminated in DESAT into two
FR107 fast recovery diode and two 1N4148 diodes protect HCPL-316J chip as clamp diode；
The active clamp protection circuit is connect with the end Vout of HCPL-316J driving chip, and active clamp protection circuit is in grid
The two-way TVS pipe of 18V in parallel between pole and emitter connects IGBT by TVS pipe and two ES1D fast-recovery commutation diodes
Gate pole and collector and connect the collector of IGBT and the ground level of push-pull circuit.
2. a kind of active clamp protection circuit of IGBT driving based on HCPL-316J according to claim 1, feature
Be: comprising optical coupling isolation circuit and push-pull driver circuit inside the HCPL-316J driving chip, DSP output pwm signal is extremely
After HCPL-316J driving chip, pwm signal is by optical coupling isolation circuit, then carries out power amplification through push-pull driver circuit, drives
IGBT current foldback circuit.
3. a kind of active clamp protection circuit of IGBT driving based on HCPL-316J according to claim 1, feature
Be: when the IGBT current foldback circuit drives, DSP unit only needs an I/O port as failure back transfer interface.
4. a kind of active clamp protection circuit of IGBT driving based on HCPL-316J according to claim 1, feature
Be: two FR107 fast recovery diodes are serially connected, and two 1N4148 diodes are parallel with one another.
5. a kind of active clamp protection circuit of IGBT driving based on HCPL-316J according to claim 1, feature
It is: connects 5 shunt capacitances between the+15V power end and ground of the DC/DC modular power source, 5 shunt capacitances are mutually simultaneously
Connection, also connects 5 shunt capacitances between the -8V power end and ground of the DC/DC modular power source, 5 shunt capacitances are also mutual
It is in parallel.
6. a kind of active clamp protection circuit of IGBT driving based on HCPL-316J according to claim 1, feature
Be: the threshold voltage of the TVS pipe is higher than its DC bus-bar voltage, and is lower than the safe voltage of IGBT current foldback circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468165.4A CN110176855A (en) | 2019-05-31 | 2019-05-31 | A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468165.4A CN110176855A (en) | 2019-05-31 | 2019-05-31 | A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110176855A true CN110176855A (en) | 2019-08-27 |
Family
ID=67696830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468165.4A Pending CN110176855A (en) | 2019-05-31 | 2019-05-31 | A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110176855A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507200A (en) * | 2021-08-20 | 2021-10-15 | 阳光电源股份有限公司 | Power converter and driving circuit thereof |
| CN114296502A (en) * | 2021-12-30 | 2022-04-08 | 苏州汇川控制技术有限公司 | Voltage stabilizing circuit, device and power device driving system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327033A (en) * | 2008-06-10 | 2008-12-24 | 浙江大学 | High-voltage pulse generator based on ARM embedded system |
| CN204304965U (en) * | 2014-12-15 | 2015-04-29 | 武汉港迪电气有限公司 | A kind of IGBT push-pull driver circuit |
| CN104935315A (en) * | 2015-07-15 | 2015-09-23 | 北京京东方能源科技有限公司 | Igbt drive circuit |
| CN106026620A (en) * | 2016-07-14 | 2016-10-12 | 上海理工大学 | HCPL-316J chip-based IGBT (Insulated Gate Bipolar Translator) driving circuit and switching circuit |
| CN207251460U (en) * | 2017-08-30 | 2018-04-17 | 苏州汇川联合动力系统有限公司 | A kind of active clamp circuit and electric machine controller of suppression IGBT shut-offs spike |
| CN207652409U (en) * | 2017-12-27 | 2018-07-24 | 阳光电源股份有限公司 | A kind of active clamp circuit |
| CN208143086U (en) * | 2018-01-26 | 2018-11-23 | 北京金风科创风电设备有限公司 | Active clamp circuit and switching circuit |
| CN208572049U (en) * | 2018-04-20 | 2019-03-01 | 南京工程学院 | A kind of IGBT control driving protective module |
-
2019
- 2019-05-31 CN CN201910468165.4A patent/CN110176855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327033A (en) * | 2008-06-10 | 2008-12-24 | 浙江大学 | High-voltage pulse generator based on ARM embedded system |
| CN204304965U (en) * | 2014-12-15 | 2015-04-29 | 武汉港迪电气有限公司 | A kind of IGBT push-pull driver circuit |
| CN104935315A (en) * | 2015-07-15 | 2015-09-23 | 北京京东方能源科技有限公司 | Igbt drive circuit |
| CN106026620A (en) * | 2016-07-14 | 2016-10-12 | 上海理工大学 | HCPL-316J chip-based IGBT (Insulated Gate Bipolar Translator) driving circuit and switching circuit |
| CN207251460U (en) * | 2017-08-30 | 2018-04-17 | 苏州汇川联合动力系统有限公司 | A kind of active clamp circuit and electric machine controller of suppression IGBT shut-offs spike |
| CN207652409U (en) * | 2017-12-27 | 2018-07-24 | 阳光电源股份有限公司 | A kind of active clamp circuit |
| CN208143086U (en) * | 2018-01-26 | 2018-11-23 | 北京金风科创风电设备有限公司 | Active clamp circuit and switching circuit |
| CN208572049U (en) * | 2018-04-20 | 2019-03-01 | 南京工程学院 | A kind of IGBT control driving protective module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507200A (en) * | 2021-08-20 | 2021-10-15 | 阳光电源股份有限公司 | Power converter and driving circuit thereof |
| CN114296502A (en) * | 2021-12-30 | 2022-04-08 | 苏州汇川控制技术有限公司 | Voltage stabilizing circuit, device and power device driving system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203747637U (en) | Desaturation detection circuit and circuit including the same | |
| CN203406604U (en) | IGBT current foldback circuit and convertor assembly | |
| US9391503B2 (en) | Converter circuit | |
| US20100259855A1 (en) | Dimmer circuit with overcurrent detection | |
| CN201533295U (en) | IGBT drive and protection circuit | |
| CN103326324A (en) | IGBT module parallel connection protection circuit applied to high-power inverter | |
| CN109599845B (en) | Protection circuit, upper bridge driving chip and IPM module | |
| CN109861505B (en) | IGBT driving circuit topological structure suitable for high-speed frequency converter | |
| CN103534916A (en) | Power conversion device | |
| CN102377326B (en) | Insulated gate bipolar transistor (IGBT)-bridge-switch-topology-based driving circuit and protection module thereof | |
| CN109510176A (en) | A kind of intelligent power module Drive Protecting Circuit | |
| CN110176855A (en) | A kind of active clamp protection circuit of the IGBT driving based on HCPL-316J | |
| CN103401401B (en) | Drive circuit for separate type high-power isolated gate bipolar transistor | |
| CN106026620A (en) | HCPL-316J chip-based IGBT (Insulated Gate Bipolar Translator) driving circuit and switching circuit | |
| CN102104244A (en) | Overcurrent protection circuit and network equipment | |
| CN210469160U (en) | Novel water pump motor control circuit | |
| CN209805662U (en) | IGBT drive circuit topological structure suitable for high-speed frequency converter | |
| CN209283196U (en) | The current foldback circuit of insulated gate bipolar transistor | |
| CN104779584A (en) | Frequency changer detection protection circuit | |
| CN207184038U (en) | Device for power switching current foldback circuit and motor driven systems, electric system | |
| CN112564461A (en) | Power switch circuit system | |
| CN103187710A (en) | Current-limit and over-current double current loop protection circuit | |
| CN110460227A (en) | The driving control system and drive control method of two-stage type gird-connected inverter | |
| CN209046518U (en) | High-power parallel connection power supply driving circuit based on IGBT | |
| CN211266446U (en) | Circuit breaker protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190827 |