Power supplying method and device thereof
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United States of America Patent
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Jun 12, 2018
Issued Date -
Jan 18, 2018
app pub date -
Jul 14, 2016
filing date -
Jul 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A power supplying method is adapted to supply power to any one of external electronic devices with voltage-stabilized capacitors of different specifications. The power supplying method includes: generating a periodic signal; periodically turning on and off a load-switch circuit by the periodic signal to enable the load-switch circuit to periodically charge and discharge the voltage-stabilized capacitor; generating an enable signal following the periodic signal; continuously turning on the load-switch circuit by the enable signal to enable the load-switch circuit to supply the power to the external electronic device according to a flag signal; and detecting the amount of a current supplied to the external electronic device by the load-switch circuit to determine a level of the flag signal. During periodically charging and discharging the voltage-stabilized capacitor, the amount of the current supplied to the external electronic device is gradually decreased.
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