CN203071811U - Bootstrap start circuit based on IR2130 - Google Patents
Bootstrap start circuit based on IR2130 Download PDFInfo
- Publication number
- CN203071811U CN203071811U CN 201220672337 CN201220672337U CN203071811U CN 203071811 U CN203071811 U CN 203071811U CN 201220672337 CN201220672337 CN 201220672337 CN 201220672337 U CN201220672337 U CN 201220672337U CN 203071811 U CN203071811 U CN 203071811U
- Authority
- CN
- China
- Prior art keywords
- input
- road
- bootstrapping
- resistance
- circuit
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a bootstrap start circuit based on IR2130, comprising a logic commutation branch and a bootstrap charging branch. The bootstrap charging branch comprises a resistor R20 and a capacitor C1. The six level output terminals of the logic commutation branch comprise three high level output terminals and three low level output terminals, the three high level output terminals are respectively connected with the three high level input terminals of the IR2130, the three low level output terminals are respectively connected with the three low level input terminals of the IR2130, and one end of the resistor R20 is connected with a common power supply terminal VCC. The utility model provides the beneficial effects as following: the upper arm suspension driver of an IR 2130 driving amplification circuit comprises a bootstrap circuit, at the power-up moment of a motor control circuit, the middle and lower arm power tubes of a three-phase power bridge are powered on, the upper arm power tube is powered off, thereby a charging circuit is formed, the bootstrap capacitor is charged, and the bootstrap start problem of the IR2130 is solved.
Description
Technical field
The utility model relates to a kind of bootstrapping start-up circuit based on IR2130, belongs to the electric machines control technology field.
Background technology
IR2130 is the special-purpose grid drive chip of MOS, IGBT power device, by the boostrap circuit operation principle, make it can drive the power device of bridge circuit mesolow side, can drive on high-tension side power device again, thereby be used widely at aspects such as Electric Machine Control, servo-drive, ups powers.These devices are integrated distinctive negative voltage immunity circuit; system's durability and reliability have been improved; this device not only has overcurrent protection function; also have functions such as under-voltage locking protection, integrated Dead Time protection, breakdown protection, shutoff input, error diagnosis output; in a few thing voltage height, Motor Control Field that reliability requirement is high, IR2130 is very important device.
Because the dc brushless motor control circuit that discrete component constitutes, by the combinational logic commutation circuit, three groups of position signallings of brshless DC motor are converted to the logical signal of six kinds of states, six road logical signals directly drive the three phase power bridge after IR2130 amplifies, make motor three phase windings feed successively, thereby make the motor rotation, the startup but existing IR2130 can't boot has brought inconvenience for actual the use.
Summary of the invention
The purpose of this utility model is to provide a kind of bootstrapping start-up circuit based on IR2130, can solve the technical problem that the IR2130 bootstrapping starts.
The purpose of this utility model is achieved through the following technical solutions: a kind of bootstrapping start-up circuit based on IR2130, comprise logic commutation branch road, logic commutation circuit branch road comprises input HA, the resistance R 8 that is connected successively with input HA, R13, inverter U4A and U4D, input HB, the resistance R 9 that is connected successively with input HB, R14, inverter U4B and U4E, input HC, the resistance R 10 that is connected successively with input HC, R15, inverter U4C and U4F, six tunnel three input nand gates, six road non-inverting buffers and six road level output ends of corresponding connection with six tunnel three input nand gates, wherein, inverter U4A, U4B, U4C, U4D, two inputs of alternation sum six tunnel three input nand gates are continuous in twos respectively for U4E and U4F, it also comprises the bootstrapping charging paths, the bootstrapping charging paths is made up of resistance R 20 and capacitor C 10, six road level output ends of logic commutation branch road comprise three road high level outputs and three tunnel low level outputs, three road high level outputs are connected with three road high level inputs of IR2130 respectively, three tunnel low level outputs are connected with three tunnel low level inputs of IR2130 respectively, one end of resistance R 20 is connected with public power end VCC, the Third Road input of three input nand gates that the other end is connected with three road high level outputs respectively and capacitor C 10 link to each other, and the Third Road input of three input nand gates that three tunnel low level outputs connect is connected with public power end VCC simultaneously.
The model of described non-inverting buffer is CC4050.
The model of described three input nand gates is CC4023.
The other end ground connection of described capacitor C 10.
The filter capacitor that is provided with ground connection between described resistance R 8 and R13, resistance R 9 and R14, R10 and the R15.
Described input HA, input HB, input HC are provided with pull-up resistor.
The beneficial effects of the utility model are: IR2130 drives the suspension of amplifying circuit upper arm and drives employing boostrap circuit formation, circuit for controlling motor power up moment need be with the three phase power bridge circuit in the underarm power tube open-minded, the upper arm power tube is closed, filled electric loop thereby form, realize the charging of bootstrap capacitor, solved the technical problem that the IR2130 bootstrapping starts.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but that claimed scope is not limited to is described.
As Fig. 1, a kind of bootstrapping start-up circuit based on IR2130, comprise logic commutation branch road, logic commutation circuit branch road comprises input HA, the resistance R 8 that is connected successively with input HA, R13, inverter U4A and U4D, input HB, the resistance R 9 that is connected successively with input HB, R14, inverter U4B and U4E, input HC, the resistance R 10 that is connected successively with input HC, R15, inverter U4C and U4F, six tunnel three input nand gates, six road non-inverting buffers and six road level output ends of corresponding connection with six tunnel three input nand gates, wherein, inverter U4A, U4B, U4C, U4D, two inputs of alternation sum six tunnel three input nand gates are continuous in twos respectively for U4E and U4F, six tunnel three input nand gates are respectively U7A, U7B, U7C, U8A, U8B and U8C, the output of U4A links to each other with the input of U8A and U8B, the output of U4B links to each other with the input of U7A and U8C, the output of U4C links to each other with the input of U7B and U7C, the output of U4D links to each other with the input of U7A and U7B, the output of U4E links to each other with the input of U7C and U8A, the output of U4F links to each other with the input of U8B and U8C, it also comprises the bootstrapping charging paths, the bootstrapping charging paths is made up of resistance R 20 and capacitor C 10, six road level output ends of logic commutation branch road comprise three road high level outputs and three tunnel low level outputs, three road high level outputs are respectively T1, T3, T5, three tunnel low level outputs are respectively T2, T4, T6, T1, T3, T5 is connected with three road high level inputs of IR2130 respectively, T2, T4, T6 is connected with three tunnel low level inputs of IR2130 respectively, one end of resistance R 20 is connected with public power end VCC, the Third Road input of three input nand gates that the other end is connected with three road high level outputs respectively and capacitor C 10 link to each other, and the Third Road input of three input nand gates that three tunnel low level outputs connect is connected with public power end VCC simultaneously.
The model of described non-inverting buffer is CC4050.
The model of described three input nand gates is CC4023.
The other end ground connection of described capacitor C 10.
The filter capacitor that is provided with ground connection between described resistance R 8 and R13, resistance R 9 and R14, R10 and the R15.
Described input HA, input HB, input HC are provided with pull-up resistor.
Driving amplifying circuit in the circuit for controlling motor is made up of IR2130, and its upper arm suspends to drive and adopts boostrap circuit to constitute.Circuit for controlling motor power up moment need be with the three phase power bridge circuit in the conducting of underarm power tube, the upper arm power tube is closed, thereby forms charge circuit, realizes the charging of bootstrap capacitor.Because to be input as low level effective for IR2130, therefore only power up moment at circuit for controlling motor IR2130 three road high level output level are put height, and that three tunnel low level output level are put is low, could form charge circuit.Design powers up the bootstrapping charging circuit in the logic commutation circuit, the effect of capacitor C 10 is exactly to power up moment at circuit for controlling motor to utilize the charge effects of electric capacity, electric capacity charging voltage and time relation are exponential curve, it is logic low that voltage on the electric capacity powers up moment at circuit for controlling motor, this moment three input nand gates input (the 2nd of item U7,12 pins, the 4th pin of item U8) be low level, therefore three input nand gates are exported (the 9th of item U7,10 pins, the 6th pin of item U8) be high level, and the components and parts of item U9 are non-inverting buffer CC4050, so three road high level outputs of IR2130 are high level, therefore its upper arm output is blocked, and the gate of three input nand gate correspondences (U7B, U8A, U8C) be output as low level, three tunnel low level outputs of IR2130 are low level, its underarm is output as high level, corresponding power tube is open-minded, thereby constitute complete bootstrapping charge circuit, the realization circuit for controlling motor powers up the bootstrap capacitor of moment IR2130 driving amplifying circuit and finishes charging.
Claims (6)
1. bootstrapping start-up circuit based on IR2130, comprise logic commutation branch road, logic commutation circuit branch road comprises input HA, the resistance R 8 that is connected successively with input HA, R13, inverter U4A and U4D, input HB, the resistance R 9 that is connected successively with input HB, R14, inverter U4B and U4E, input HC, the resistance R 10 that is connected successively with input HC, R15, inverter U4C and U4F, six tunnel three input nand gates, six road non-inverting buffers and six road level output ends of corresponding connection with six tunnel three input nand gates, wherein, inverter U4A, U4B, U4C, U4D, two inputs of alternation sum six tunnel three input nand gates are continuous in twos respectively for U4E and U4F, it is characterized in that: it also comprises the bootstrapping charging paths, the bootstrapping charging paths is made up of resistance R 20 and capacitor C 10, six road level output ends of logic commutation branch road comprise three road high level outputs and three tunnel low level outputs, three road high level outputs are connected with three road high level inputs of IR2130 respectively, three tunnel low level outputs are connected with three tunnel low level inputs of IR2130 respectively, one end of resistance R 20 is connected with public power end VCC, the Third Road input of three input nand gates that the other end is connected with three road high level outputs respectively and capacitor C 10 link to each other, and the Third Road input of three input nand gates that three tunnel low level outputs connect is connected with public power end VCC simultaneously.
2. a kind of bootstrapping start-up circuit based on IR2130 according to claim 1, it is characterized in that: the model of described non-inverting buffer is CC4050.
3. a kind of bootstrapping start-up circuit based on IR2130 according to claim 1, it is characterized in that: the model of described three input nand gates is CC4023.
4. a kind of bootstrapping start-up circuit based on IR2130 according to claim 1 is characterized in that: the other end ground connection of described capacitor C 10.
5. a kind of bootstrapping start-up circuit based on IR2130 according to claim 1 is characterized in that: the filter capacitor that is provided with ground connection between described resistance R 8 and R13, resistance R 9 and R14, R10 and the R15.
6. a kind of bootstrapping start-up circuit based on IR2130 according to claim 1, it is characterized in that: described input HA, input HB, input HC are provided with pull-up resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672337 CN203071811U (en) | 2012-12-07 | 2012-12-07 | Bootstrap start circuit based on IR2130 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672337 CN203071811U (en) | 2012-12-07 | 2012-12-07 | Bootstrap start circuit based on IR2130 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071811U true CN203071811U (en) | 2013-07-17 |
Family
ID=48770560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220672337 Expired - Fee Related CN203071811U (en) | 2012-12-07 | 2012-12-07 | Bootstrap start circuit based on IR2130 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071811U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787639A (en) * | 2016-12-09 | 2017-05-31 | 贵州航天林泉电机有限公司 | A kind of motor bootstrap startup circuit |
| CN109981004A (en) * | 2019-04-23 | 2019-07-05 | 西安微电子技术研究所 | A kind of brushless torque motor starting driving circuit |
| WO2020143009A1 (en) * | 2019-01-11 | 2020-07-16 | 贵州航天林泉电机有限公司 | Bootstrap starting circuit for electric motor |
-
2012
- 2012-12-07 CN CN 201220672337 patent/CN203071811U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787639A (en) * | 2016-12-09 | 2017-05-31 | 贵州航天林泉电机有限公司 | A kind of motor bootstrap startup circuit |
| WO2020143009A1 (en) * | 2019-01-11 | 2020-07-16 | 贵州航天林泉电机有限公司 | Bootstrap starting circuit for electric motor |
| CN109981004A (en) * | 2019-04-23 | 2019-07-05 | 西安微电子技术研究所 | A kind of brushless torque motor starting driving circuit |
| CN109981004B (en) * | 2019-04-23 | 2020-12-08 | 西安微电子技术研究所 | Brushless torque motor starts drive circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201975986U (en) | Full-bridge drive circuit of square wave inverter | |
| CN203895363U (en) | Driving and switch state detection circuit of relay | |
| CN203278723U (en) | Controller for brushless direct current motor | |
| CN203071811U (en) | Bootstrap start circuit based on IR2130 | |
| CN204517713U (en) | A kind of quadrant DC electric machine speed regulation driver | |
| CN206775378U (en) | A kind of motor bootstrap startup circuit | |
| CN202783019U (en) | electric pedal controller for automobile | |
| CN201893729U (en) | Photovoltaic power generation device | |
| CN106787639A (en) | A kind of motor bootstrap startup circuit | |
| CN204481722U (en) | A kind of switched reluctance machines speed-regulating control device | |
| CN104579261A (en) | PWM signal isolation interlocking and drive amplifying circuit and motor controller | |
| CN202652118U (en) | Circuit for controlling rotation speed and direction of vehicle window DC motor | |
| CN202068367U (en) | Direct current motor controller for using optical coupler as upper axle driver | |
| CN202309494U (en) | Bridge driving circuit high voltage side suspension pre-charging device for bootstrap capacitors | |
| CN202840499U (en) | Motor, controller and power drive circuit thereof | |
| CN209692654U (en) | A kind of permanent magnet synchronous motor control device based on DSPIC chip | |
| CN208112538U (en) | A kind of motor-drive circuit and robot | |
| CN204452101U (en) | Electric vehicle third gear controller | |
| CN203800852U (en) | Permanent magnet synchronous motor speed regulating device | |
| CN203933472U (en) | Controller of electric vehicle | |
| CN204361945U (en) | A kind of protective circuit for driver for brushless DC motor | |
| CN106451721A (en) | All-solid-state precharging and power supply anti-reverse connection system for electric automobile | |
| CN201789298U (en) | Intelligent shockless capacitance switching electronic integrated switch | |
| CN201479070U (en) | Speed-regulating control device of permanent-magnetic synchronous motor | |
| CN202679289U (en) | DSP optical coupler drive circuit for PMSM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |