CN203289317U - Gateway power circuit used for electric power steering system - Google Patents
Gateway power circuit used for electric power steering system Download PDFInfo
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- CN203289317U CN203289317U CN201320223577XU CN201320223577U CN203289317U CN 203289317 U CN203289317 U CN 203289317U CN 201320223577X U CN201320223577X U CN 201320223577XU CN 201320223577 U CN201320223577 U CN 201320223577U CN 203289317 U CN203289317 U CN 203289317U
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Abstract
The utility model relates to the technical field of power electronics, and specifically discloses a gateway power circuit used for an electric power steering system. The gateway power circuit comprises a power chip, a diode, a transient voltage suppressor TVS diode, capacitors and resistors. The GND pin of the power chip is grounded. The DELAY pin of the power chip is connected with one end of a resistor I, and the other end of the resistor I is grounded. The VOUT pin of the power chip, the positive electrode of a capacitor I and the positive electrode of a capacitor II are connected with a 5V power end VDD. The negative electrode of the capacitor I and the negative electrode of the capacitor II are grounded. The REST pin of the power chip is connected with one end of the resistor II, and the other end of the resistor II is connected with the 5V power end VDD. The WDI pin of the power chip is connected with the PA0 pin of a microcontroller unit. Compared with the prior art, according to the utility model, by adopting the diode as a power reverse connection protection element and adopting the transient voltage suppressor TVS diode as a surge suppression protection element, the steady operation of the power can be ensured.
Description
Technical field
The utility model relates to electric and electronic technical field, specifically a kind of power circuit of gateway for electric boosting steering system.
Background technology
The EPSc system is the electric power servo steering system by a kind of advanced person of external exploitation.The EPSc system mainly comprises power supply, driver element, steering column, five parts of jack shaft and manual steering gear.Electronic control unit ECU is according to the signal of torque sensor and rotary angle transmitter, and determines the size and Orientation of power steering in conjunction with signals such as the speed of a motor vehicle, thus the operation of drive motors assisted diversion.Controller local area network's agreement when the EPSc system is dispatched from the factory and controller local area network's agreement of domestic car load are not mated, and the procotol of exploitation coupling needs a large amount of manpowers and time, and this can cause the mistake of domestic EPSc project process to be prolonged., in order to facilitate the debugging of initial stage EPSc system and car load associating, designed a kind of gateway circuit that is used for electric boosting steering system that can meet the communication need between different network protocol.Gateway normal working voltage scope is 9-16V,, in order to guarantee the steady operation of power supply, needs a kind of power circuit with reversal connection protection function and Surge suppression function of design.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of gateway power circuit that is used for electric boosting steering system with reversal connection protection function and Surge suppression function is provided.
In order to achieve the above object, the utility model has designed a kind of power circuit of gateway for electric boosting steering system, comprise power supply chip, diode, Transient Voltage Suppressor TVS pipe, electric capacity and resistance, it is characterized in that: the GND pin ground connection of power supply chip; The DELAY pin of power supply chip is connected with an end of resistance one, the other end ground connection of resistance one; The positive pole of the VOUT pin of power supply chip, the positive pole of electric capacity one, electric capacity two is connected with 5V power end VDD, the minus earth of the negative pole of electric capacity one and electric capacity two; The REST pin of power supply chip is connected with an end of resistance two, and the other end of resistance two is connected with 5V power end VDD; The WDI pin of power supply chip is connected with the PA0 pin of micro-control unit; The EN pin of power supply chip is connected with an end of resistance three; The VIN pin of power supply chip is connected with the other end of resistance three, the positive pole of electric capacity three, the positive pole of electric capacity four, the positive pole of electric capacity five, the negative electrode of diode and an end of Transient Voltage Suppressor TVS pipe respectively, the other end ground connection of the negative pole of the negative pole of the negative pole of electric capacity three, electric capacity four, electric capacity five and Transient Voltage Suppressor TVS pipe, the anode of diode is connected with 12V power end VCC.
Described power supply chip adopts low pressure difference linear voltage regulator, and output voltage is 5V.
The forward conduction electric current peak of described diode is 2A, and reverse breakdown voltage is 60V.
The crest working reverse voltage of described Transient Voltage Suppressor TVS pipe is 30V, and the highest clamper electricity is 48.4V, and the conducting peak current is 12.4A.
The utility model compared with the existing technology, adopts diode to do the reverse power connection protection, adopts Transient Voltage Suppressor TVS pipe to do the Surge suppression protection, has guaranteed the steady operation of power supply.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is described further.
Referring to Fig. 1, the utility model comprises power supply chip, diode, Transient Voltage Suppressor TVS pipe, electric capacity and resistance.The GND pin ground connection of power supply chip; The DELAY pin of power supply chip is connected with the end of resistance one R1, the other end ground connection of resistance one R1; The positive pole of the positive pole of the VOUT pin of power supply chip, electric capacity one C1, electric capacity two C2 is connected with 5V power end VDD, the minus earth of the negative pole of electric capacity one C1 and electric capacity two C2; The REST pin of power supply chip is connected with the end of resistance two R2, and the other end of resistance two R2 is connected with 5V power end VDD; The WDI pin of power supply chip is connected with the PA0 pin of micro-control unit; The EN pin of power supply chip is connected with the end of resistance three R3; The VIN pin of power supply chip is connected with the other end of resistance three R3, the end of electric capacity three C3, the end of electric capacity four C4, the positive pole of electric capacity five C5, the negative electrode of diode D1 and the end of Transient Voltage Suppressor TVS pipe D2 respectively, the other end ground connection of the negative pole of the other end of the other end of electric capacity three C3, electric capacity four C4, electric capacity five C5 and Transient Voltage Suppressor TVS pipe D2, the anode of diode D1 is connected with 12V power end VCC.
Power supply chip adopts low pressure difference linear voltage regulator, and model is NVC8518, and regulated output voltage is 5V.The model of diode D1 is RB050L_60, and forward conduction electric current peak is 2A, and reverse breakdown voltage is 60V.The model of Transient Voltage Suppressor TVS pipe D2 is SMBJ30CA, and crest working reverse voltage is 30V, and the highest clamper electricity is 48.4V, and the conducting peak current is 12.4A.
The utility model is when work; diode D1 plays the effect of power supply reverse connecting protection; Transient Voltage Suppressor TVS pipe D2 plays surge and suppresses protective effect; when if power output end has instantaneous pressure; Transient Voltage Suppressor TVS pipe D2 meeting conducting; absorb a large amount of power, thereby reach the function of the rear polar circuit of protection.
The utility model adopts diode D1 to do the reverse power connection protection, adopts Transient Voltage Suppressor TVS pipe D2 to do the Surge suppression protection, has guaranteed the steady operation of power supply.
Claims (4)
1. a gateway power circuit that is used for electric boosting steering system, comprise power supply chip, diode, Transient Voltage Suppressor TVS pipe, electric capacity and resistance, it is characterized in that: the GND pin ground connection of power supply chip; The DELAY pin of power supply chip is connected with an end of resistance one (R1), the other end ground connection of resistance one (R1); The positive pole of the positive pole of the VOUT pin of power supply chip, electric capacity one (C1), electric capacity two (C2) is connected with 5V power end VDD, the minus earth of the negative pole of electric capacity one (C1) and electric capacity two (C2); The REST pin of power supply chip is connected with an end of resistance two (R2), and the other end of resistance two (R2) is connected with 5V power end VDD; The WDI pin of power supply chip is connected with the PA0 pin of micro-control unit; The EN pin of power supply chip is connected with an end of resistance three (R3); The VIN pin of power supply chip is connected with the other end of resistance three (R3), an end of electric capacity three (C3), an end of electric capacity four (C4), the positive pole of electric capacity five (C5), the negative electrode of diode (D1) and an end of Transient Voltage Suppressor TVS pipe (D2) respectively, the other end ground connection of the negative pole of the other end of the other end of electric capacity three (C3), electric capacity four (C4), electric capacity five (C5) and Transient Voltage Suppressor TVS pipe (D2), the anode of diode (D1) is connected with 12V power end VCC.
2. a kind of power circuit of gateway for electric boosting steering system according to claim 1 is characterized in that: described power supply chip adopts low pressure difference linear voltage regulator, and output voltage is 5V.
3. a kind of power circuit of gateway for electric boosting steering system according to claim 1, it is characterized in that: the forward conduction electric current peak of described diode (D1) is 2A, and reverse breakdown voltage is 60V.
4. a kind of power circuit of gateway for electric boosting steering system according to claim 1, it is characterized in that: the crest working reverse voltage of described Transient Voltage Suppressor TVS pipe (D2) is 30V, the highest clamper electricity is 48.4V, and the conducting peak current is 12.4A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320223577XU CN203289317U (en) | 2013-04-27 | 2013-04-27 | Gateway power circuit used for electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320223577XU CN203289317U (en) | 2013-04-27 | 2013-04-27 | Gateway power circuit used for electric power steering system |
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| Publication Number | Publication Date |
|---|---|
| CN203289317U true CN203289317U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320223577XU Expired - Fee Related CN203289317U (en) | 2013-04-27 | 2013-04-27 | Gateway power circuit used for electric power steering system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354660A (en) * | 2014-10-24 | 2015-02-18 | 华晨汽车集团控股有限公司 | Electric energy distribution circuit for automobile |
| CN105470921A (en) * | 2015-12-16 | 2016-04-06 | 深圳市元征软件开发有限公司 | Power protection circuit and vehicle-mounted electronic device |
| CN108667129A (en) * | 2018-05-17 | 2018-10-16 | 宁波央腾汽车电子有限公司 | A kind of low pressure fail-safe circuit |
| CN110854081A (en) * | 2019-10-08 | 2020-02-28 | 深圳市稳先微电子有限公司 | System on chip |
| CN113206592A (en) * | 2021-07-06 | 2021-08-03 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Input protection circuit and auxiliary power supply circuit for IC-OC6800 |
-
2013
- 2013-04-27 CN CN201320223577XU patent/CN203289317U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354660A (en) * | 2014-10-24 | 2015-02-18 | 华晨汽车集团控股有限公司 | Electric energy distribution circuit for automobile |
| CN105470921A (en) * | 2015-12-16 | 2016-04-06 | 深圳市元征软件开发有限公司 | Power protection circuit and vehicle-mounted electronic device |
| CN105470921B (en) * | 2015-12-16 | 2018-10-23 | 深圳市元征软件开发有限公司 | Power protecting circuit and vehicle electronic device |
| CN108667129A (en) * | 2018-05-17 | 2018-10-16 | 宁波央腾汽车电子有限公司 | A kind of low pressure fail-safe circuit |
| CN110854081A (en) * | 2019-10-08 | 2020-02-28 | 深圳市稳先微电子有限公司 | System on chip |
| CN110854081B (en) * | 2019-10-08 | 2022-01-04 | 深圳市稳先微电子有限公司 | System on chip |
| CN113206592A (en) * | 2021-07-06 | 2021-08-03 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Input protection circuit and auxiliary power supply circuit for IC-OC6800 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201821 Shanghai Jiading District City Yongsheng Road No. 2001 Patentee after: BOSCH Huayu Steering System Co., Ltd. Address before: 201821 Shanghai Jiading District City Yongsheng Road No. 2001 Patentee before: ZF Shanghai Steering Systems Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |