Discrete high-side driving circuit system

The invention relates to the technical field of high-side driving circuits and particularly discloses a discrete high-side driving circuit system, which comprises a control circuit, a driving circuitand a protection circuit, wherein the control circuit comprises a control signal input Vin, a voltage...

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Hauptverfasser: LUO SHENG, PAN RONGJIAN, YAO XINYU, LAN RIYAN, WANG LONGLIN, OU OU, XIE MENG, LIANG JUN, ZHOU SHULIN, LI LITAO, HAO TIANZHI, WANG HUA, ZHUO XIAOLI, LIU JIAYAO, HE TINGQUAN, LI JUNYI, KUANG YUKUN, YU MENGSHENG, LONG HUIBING, ZHOU ZILONG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the technical field of high-side driving circuits and particularly discloses a discrete high-side driving circuit system, which comprises a control circuit, a driving circuitand a protection circuit, wherein the control circuit comprises a control signal input Vin, a voltage dividing resistor R1, a voltage dividing resistor R2, a current-limiting resistor R3 and a switching tube Q1; the driving circuit comprises a switching tube Q3 and an anti-reverse diode D1; and the protection circuit comprises a switching tube Q2, an EMC reducing resistor R4 and a current-limitingfeedback resistor R5. The circuit system is low in cost, can effectively solve the problems of current driving and PCB area, can effectively achieve the purpose of overcurrent protection/current-limiting protection, and is suitable for a driver with the medium current capability as the driving capability. 本发明涉及高边驱动电路技术领域,具体公开了一种分立式高边驱动电路系统,该分立式高边驱动电路系统包括控制电路、驱动电路和保护电路,所述控制电路包括控制信号输入Vin、分压电阻R1、分压电阻R2、限流电阻R3和开关管Q1,所述驱动电路包括开