发明申请
US20070109818A1 SWITCHING MODE POWER SUPPLY 失效
切换模式电源

SWITCHING MODE POWER SUPPLY
摘要:
A charging mode control circuit (320) includes a detecting circuit (321) and a charging control circuit (322). The detecting circuit detects whether a power/data interface (310) is in a communication state, and accordingly outputting a control signal. The charging control circuit receives the control signal and obtaining power from the power/data interface to charge a secondary battery (330) with a charging mode in accordance with the control signal. A portable electronic device (30) incorporates the charging mode control circuit is also provided.
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