Control device and control method for asymmetrical half-bridge flyback circuit
CN116317481BActive Publication Date: 2026-08-28ON BRIGHT INTEGRATIONS CO INC
Patent Information
- Application Number
- CN202310341749.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-31
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2043-03-31
AI Technical Summary
Technical Problem
传统电源多以反激型为主，反激型电源虽然结构简单，但具有较大的体积、较低的电源效率，随着电源功率的提高，其缺点也越发明显
Benefits of technology
[0006]根据本申请的非对称半桥反激电路的控制装置以及控制方法，能够支持多种电压及功率输出，具有大的电压及功率输出范围，并在不同输出电压及功率下都能工作在较高的效率状态。
✦ Generated by Eureka AI based on patent content.
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Figure CN116317481B_ABST
Abstract
The application provides a control device and a control method of an asymmetric half-bridge flyback circuit. The control device of the asymmetric half-bridge flyback circuit comprises: an output voltage determination device configured to determine an output voltage of the asymmetric half-bridge flyback circuit; an optimal peak current determination device configured to determine an optimal peak current of an excitation current of a transformer module of the asymmetric half-bridge flyback circuit at the output voltage; a switching point load current determination device configured to determine a mode switching point load current according to the optimal peak current; an output current determination device configured to determine an output current of the asymmetric half-bridge flyback circuit; and a mode determination device configured to determine a working mode of the asymmetric half-bridge flyback circuit based on the output current and the mode switching point load current.
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Citation Information
Patent Citations
Control method and circuit for active clamping flyback converter
WO2021042812A1