DEVICE AND CHIP FOR CONTROLLING CHARGING, AND USER TERMINAL
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United States of America Patent
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Issued Date -
May 28, 2015
app pub date -
Oct 13, 2014
filing date -
Nov 27, 2013
priority date (Note) -
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Abstract
A device, a system and a chip for controlling charging, and a user terminal are provided. The device for controlling charging includes: a battery detection circuit, a charging control circuit, a charging circuit and a charging interface circuit, wherein the charging circuit is connected with a battery, the battery detection circuit, the charging control circuit and the charging interface circuit respectively; the battery detection circuit is adapted for obtaining a voltage value of the battery; the charging interface circuit is connected with a charging power supply; and the charging control circuit is adapted for transmitting a charging control signal for increasing a charging current of the charging power supply through the charging interface circuit when the battery detection circuit detects that the voltage value of the battery is lower than a preset threshold value. The device for controlling charging can improve charging speed when battery power is low.
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