Anti-interference circuit of vehicle-mounted terminal power supply

Anti-interference circuit of vehicle-mounted terminal power supply

The utility model provides an anti-interference circuit of a vehicle-mounted terminal power supply. The anti-interference circuit comprises an anti-reverse connection protection circuit, a surge protection circuit, an EMI filter circuit, a power supply module circuit and an output filter circuit. Th...

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Hauptverfasser: ZHAO PENGFEI, CHAI MINGMING, XIONG PIAOYANG, HAN FENGYANG
Format: Patent
Sprache:chi ; eng
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator ZHAO PENGFEI
CHAI MINGMING
XIONG PIAOYANG
HAN FENGYANG
description The utility model provides an anti-interference circuit of a vehicle-mounted terminal power supply. The anti-interference circuit comprises an anti-reverse connection protection circuit, a surge protection circuit, an EMI filter circuit, a power supply module circuit and an output filter circuit. The EMI filter circuit comprises a magnetic bead, four filter capacitors, a common mode inductor, a differential mode inductor and a fifth filter capacitor. The power supply module circuit comprises a power supply voltage stabilizing chip, a fly-wheel diode, a first resistor, a sixth filter capacitor, a filter energy storage capacitor and an energy storage inductor. The output filter circuit comprises a second TVS tube, a second resistor and an eighth filter capacitor. According to the vehicle-mounted terminal power supply anti-interference circuit of the utility model, the EMI filter circuit is designed for the power supply voltage stabilization chip, and the output of the power supply module is optimized, and there
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The anti-interference circuit comprises an anti-reverse connection protection circuit, a surge protection circuit, an EMI filter circuit, a power supply module circuit and an output filter circuit. The EMI filter circuit comprises a magnetic bead, four filter capacitors, a common mode inductor, a differential mode inductor and a fifth filter capacitor. The power supply module circuit comprises a power supply voltage stabilizing chip, a fly-wheel diode, a first resistor, a sixth filter capacitor, a filter energy storage capacitor and an energy storage inductor. The output filter circuit comprises a second TVS tube, a second resistor and an eighth filter capacitor. 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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title Anti-interference circuit of vehicle-mounted terminal power supply
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