VBUS power switch

VBUS power switch

  • CN 102,263,434 A
  • Filed: 05/26/2011
  • Published: 11/30/2011
  • Est. Priority Date: 05/26/2010
  • Status: Active Application
First Claim
Patent Images

1. a switching circuit is configured to receive battery supply voltage, receives outer power voltage and internal unit voltage is provided, and described switching circuit comprises:

  • Be used for determining whether effectively device of battery supply voltage;

    Wherein, described switching circuit is configured to;

    under the effective situation of battery supply voltage, acquiescence uses battery supply voltage that internal unit voltage is provided.

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