无线充电用单级整流恒流恒压充电器

2019 International SoC Design Conference (ISOCC) Pub Date : 2019-10-06 DOI:10.1109/ISOCC47750.2019.9078463

W. Ki, Lin Cheng, Xinyuan Ge, C. Tsui

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引用次数: 0

摘要

将无线接收机的LC槽建模为交流电流源作为输入，将4个功率晶体管组成的h桥切换为1X、½X和0X模式，实现整流和恒流恒压充电，从而形成单级无线充电器;对于低充电电流，½X - 0X单级充电器只需要三个电源开关。

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Single-Stage Rectifying Constant-Current Constant-Voltage Charger for Wireless Charging

By modeling the LC tank of a wireless receiver as an AC current source that serves as the input, the H-bridge built with four power transistors can be switched to work in 1X, ½X and 0X modes to realize rectification and constant-current and constant-voltage charging, thus resulting in a single-stage wireless charger; and for low charging current, a ½X - 0X single-stage charger only needs three power switches.

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2019 International SoC Design Conference (ISOCC)

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