Bleeder circuit with peak voltage suppression function

• Main Authors: ZHANG YONGEN, ZHU WANG, LIU HAO
• Format: Patent
• Language: Chinese; English
• Published: 13.01.2023
• 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; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model belongs to the technical field of power electronic products, and particularly relates to a bleeder circuit with a peak voltage suppression function, which comprises a bleeder resistor R1, two ends of the bleeder resistor R1 are connected with a diode D1, a diode D2 and a capacitor C1 in parallel, one side of the bleeder resistor R1 is connected with a drain electrode of an MOS (Metal Oxide Semiconductor) tube Q1, and the other side of the bleeder resistor R1 is connected with a drain electrode of the MOS tube Q1. The other side of the bleeder resistor R1 is connected with a bleeder circuit input voltage VCC, and the grid electrode of the MOS tube Q1 is connected with the output end of a driving chip U1. According to the utility model, the two ends of the bleeder resistor are connected in parallel with the diode, the capacitor and other components to inhibit oscillation type peak voltage from being generated at the two ends of the switch tube. 本实用新型属于电力电子产品技术领域，尤其是一种具有尖峰电压抑制功能的泄放电路，包括泄放电阻R1，所