CN206595900U - A kind of electric machine controller IGBT driving voltage mu balanced circuits - Google Patents
A kind of electric machine controller IGBT driving voltage mu balanced circuits Download PDFInfo
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- CN206595900U CN206595900U CN201720309983.6U CN201720309983U CN206595900U CN 206595900 U CN206595900 U CN 206595900U CN 201720309983 U CN201720309983 U CN 201720309983U CN 206595900 U CN206595900 U CN 206595900U
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- switch pipe
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Abstract
The utility model discloses a kind of electric machine controller IGBT driving voltage mu balanced circuits, including the coupling inductance T1 being made up of the first winding L1 and the second winding L2, power switch pipe Q1, drive resistance R1, output voltage sampling resistor R3, R4, current sampling resistor R5, output diode D1, storage capacitor C1, ceramic disc capacitor C2, C3, electrochemical capacitor C4 and control chip U1.Electric machine controller IGBT driving voltages voltage regulator circuit structure is simple, using stable.
Description
Technical field：
The utility model is related to a kind of circuit of electric machine controller, is especially a kind of electric machine controller IGBT driving voltages
Mu balanced circuit.
Background technology：
Electric machine controller has three road power device IGBT, per the one stable driving voltage of needs of IGBT all the way, but for
For automotive electronics, input cell voltage is the input voltage of a wide scope, and usually 9 arrive 27V, but IGBT driving voltages are needed
The 12V or 15V to be stablized.Prior art is that this stable output function is realized by Two Stages, is boosted by Boost
The outputting drive voltage stablized is depressured by Buck again afterwards, wants to realize this function, in terms of main devices at least
Two inductance, two control chips and two to four metal-oxide-semiconductors are needed, it is more complicated so to result in whole circuit, PCB layouts
Also it is corresponding complicated, it is exactly that device is more in addition, the possibility of failure also accordingly increases.
Utility model content：
Technical problem to be solved in the utility model is to provide a kind of simple in construction, uses stable electric machine controller
IGBT driving voltage mu balanced circuits, component needed for the mu balanced circuit is few, and stability is good.
Technical solution of the present utility model is to provide a kind of electric machine controller IGBT driving voltage mu balanced circuits, bag
Coupling inductance T1, the power switch pipe Q1 being made up of the first winding L1 and the second winding L2 are included, resistance R1 is driven, output voltage is adopted
Sample resistance R3, R4, current sampling resistor R5, output diode D1, storage capacitor C1, ceramic disc capacitor C2, C3, electrochemical capacitor C4 and
Control chip U1；Wherein, the first winding L1 Same Name of Ends of coupling inductance is connected with automobile batteries input voltage positive pole, the first winding
The L1 other ends are connected with power switch pipe Q1 drain electrode, and the second winding L2 of coupling inductance Same Name of Ends ground connection, the second winding is another
One end is connected with output diode D1 positive poles, and output diode D1 negative poles are grounded by electric capacity C4, the first winding of coupling inductance
Ceramic disc capacitor C2, C3 in parallel between the L1 other ends and the second winding L2 other ends, power switch pipe Q1 source electrode are adopted by electric current
Sample resistance R5 is grounded, and control chip U1 is by driving resistance R1 and power diode Q1 grid to be connected, sampling resistor R3 one end
It is connected respectively with output diode D1 negative poles, output voltage positive pole, the sampling resistor R3 other ends gather electricity with control chip respectively
Press signal end, the connection of sampling resistor R4 one end, sampling resistor R4 other ends ground connection, control chip collection current signal end and power
Switching tube Q1 source electrode connection.
Using compared with prior art, the utility model has advantages below after above structure：The utility model passes through one
The outputting drive voltage that level conversion is stablized, efficiency is substantially higher than the voltage that prior art is obtained by Two Stages；Compare
Existing technology, wants to realize this function, needs two inductance, two control chips, two at least in terms of main devices
To four metal-oxide-semiconductors etc., and the utility model only needs to a control chip, a coupling inductance, a metal-oxide-semiconductor and two poles
Pipe can be achieved with, and structure is very simple, be easy to PCB layouts to reduce the volume of machine；Cost is low, it is used be all that automotive grade is other
Under device, the half at least fewer than the device used in existing technology of device used in the utility model, cost is substantially reduced；Reliability
Height, less device determines that the utility model has less trouble point, and reliability is greatly improved.
Preferably, the electrochemical capacitor C4 is tantalum electric capacity.
Brief description of the drawings：
Fig. 1 is circuit diagram of the present utility model.
Embodiment：
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in figure 1, a kind of electric machine controller IGBT driving voltage mu balanced circuits, including by the first winding L1 and second around
Coupling inductance T1, the power switch pipe Q1 of group L2 compositions, drive resistance R1, output voltage sampling resistor R3, R4, current sample electricity
Hinder R5, output diode D1, storage capacitor C1, ceramic disc capacitor C2, C3, electrochemical capacitor C4 and control chip U1；Wherein, electricity is coupled
First winding L1 Same Name of Ends of sense is connected with automobile batteries input voltage positive pole, the first winding L1 other ends and power switch pipe Q1
Drain electrode connection, the second winding L2 of coupling inductance Same Name of Ends ground connection, the second winding other end and output diode D1 positive poles
Connection, output diode D1 negative poles are grounded by electric capacity C4, and the first winding L1 other ends and the second winding L2 of coupling inductance are another
Ceramic disc capacitor C2, C3 in parallel between one end, power switch pipe Q1 source electrode are grounded by current sampling resistor R5, control chip U1
By driving resistance R1 and power diode Q1 grid to be connected, sampling resistor R3 one end respectively with output diode D1 negative poles,
Output voltage positive pole connect, the sampling resistor R3 other ends respectively with control chip collection voltages signal end, sampling resistor R4 one end
Connection, sampling resistor R4 other ends ground connection, control chip collection current signal end is connected with power switch pipe Q1 source electrode.As
It is preferred that, the electrochemical capacitor C4 is tantalum electric capacity.
VIN is automobile batteries input voltage 9V to 30V in Fig. 1, coupling inductance compared to two independent ordinary inductors,
With less component count, more preferably integrated level, lower inductance requirement, smaller size and benign control loop spy
Property.Control chip U1 model NCV887100, control chip U1 are entered by gathering current signal ISNS and voltage signal VFB
Row two close cycles computing, adjusts the size of dutycycle, suitable drive signal is obtained, by driving resistance R1 come controlling switch pipe
Q1, realizes that whole topology is efficiently boosted or is depressured, the outputting drive voltage stablized.
Only the utility model preferred embodiment is described above, but is not to be construed as the limit to claim
System.Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are done, are included in this
Within the scope of patent protection of utility model.
Claims (2)
1. a kind of electric machine controller IGBT driving voltage mu balanced circuits, it is characterised in that：Including by the first winding L1 and second around
Coupling inductance T1, the power switch pipe Q1 of group L2 compositions, drive resistance R1, output voltage sampling resistor R3, R4, current sample electricity
Hinder R5, output diode D1, storage capacitor C1, ceramic disc capacitor C2, C3, electrochemical capacitor C4 and control chip U1；Wherein, electricity is coupled
First winding L1 Same Name of Ends of sense is connected with automobile batteries input voltage positive pole, the first winding L1 other ends and power switch pipe Q1
Drain electrode connection, the second winding L2 of coupling inductance Same Name of Ends ground connection, the second winding other end and output diode D1 positive poles
Connection, output diode D1 negative poles are grounded by electrochemical capacitor C4, the first winding L1 other ends of coupling inductance and the second winding
Ceramic disc capacitor C2, C3 in parallel between the L2 other ends, power switch pipe Q1 source electrode are grounded by current sampling resistor R5, control core
Piece U1 is by driving resistance R1 and power diode Q1 grid to be connected, and sampling resistor R3 one end is born with output diode D1 respectively
Pole, output voltage positive pole connection, the sampling resistor R3 other ends respectively with control chip collection voltages signal end, sampling resistor R4 mono-
End connection, sampling resistor R4 other ends ground connection, control chip collection current signal end is connected with power switch pipe Q1 source electrode.
2. electric machine controller IGBT driving voltage mu balanced circuits according to claim 1, it is characterised in that：The electrolysis electricity
Appearance C4 is tantalum electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309983.6U CN206595900U (en) | 2017-03-28 | 2017-03-28 | A kind of electric machine controller IGBT driving voltage mu balanced circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309983.6U CN206595900U (en) | 2017-03-28 | 2017-03-28 | A kind of electric machine controller IGBT driving voltage mu balanced circuits |
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| CN206595900U true CN206595900U (en) | 2017-10-27 |
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| CN201720309983.6U Active CN206595900U (en) | 2017-03-28 | 2017-03-28 | A kind of electric machine controller IGBT driving voltage mu balanced circuits |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309995A (en) * | 2019-10-30 | 2021-02-02 | 成都华微电子科技有限公司 | Ceramic tube shell and packaging structure of voltage regulator and manufacturing method thereof |
-
2017
- 2017-03-28 CN CN201720309983.6U patent/CN206595900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309995A (en) * | 2019-10-30 | 2021-02-02 | 成都华微电子科技有限公司 | Ceramic tube shell and packaging structure of voltage regulator and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200527 Address after: 610100 Chengdu City Economic and Technological Development Zone, Sichuan (Longquanyi District) 111 Patentee after: ZHONGZHI YIKE CHENGDU AUTOMOBILE Co.,Ltd. Address before: Chunan County, Hangzhou City, 311700 island in Zhejiang Province town of Gushan Road No. 371 Building 1 floor two Patentee before: ZHEJIANG YUNDI ELECTRIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |