A high-power power supply output BUCK driving circuit

CN113381586BActive Publication Date: 2026-08-28CLP KESI INSTR TECH (ANHUI) CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202110581742.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-05-24
Publication Date
2026-08-28
Estimated Expiration
2041-05-24

AI Technical Summary

Technical Problem

BUCK电路由于效率高，调节范围宽，常用于各种大功率电源的输出级，由于输出电流大的缘故，在实现时通常需要多组开关管并联输出，给BUCK开关管驱动电路设计带来新的问题，需要强大的驱动能力，通用的脉宽调制器和集成驱动芯片输出已经无法满足要求

Benefits of technology

[0022]通过PWM产生电路、PWM驱动电路、隔离驱动电路、驱动增强电路和保护电路设计，提高BUCK开关管的驱动能力，降低因驱动信号不足或失真而引起的BUCK开关管导通不充分或者损坏等故障，提高大功率程控直流电源产品的可靠性。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN113381586B_ABST
    Figure CN113381586B_ABST
Patent Text Reader

Abstract

The application discloses a kind of high-power power output BUCK drive circuit, belongs to direct-current power supply product circuit design technical field, including oscillation circuit, PWM generation circuit, PWM drive circuit, isolation drive circuit, drive enhancement circuit, switching tube, filter, protection circuit, error generation circuit and feedback circuit;Oscillation circuit is connected with PWM generation circuit, PWM generation circuit is connected with protection circuit and PWM drive circuit, PWM drive circuit is connected with isolation drive circuit, and isolation drive circuit is connected with drive enhancement circuit.The drive signal of switching tube is generated by oscillation circuit, PWM generation circuit, PWM drive circuit, isolation drive circuit, drive enhancement circuit, error generation circuit and feedback circuit, and the quality of high-power power output BUCK drive signal can be effectively improved, and the reliability of high-power power output is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Big-power module high-frequency driver with non-neural advance mechanism

    CN102510276A

  • PWM-based TEC driving circuit and method for improving driving ability of driving circuit

    CN105373157A