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BATTERY CHARGING CONTROL CIRCUIT

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The present disclosure provides a battery charging control circuit. The charging control circuit includes: a constant-current charging unit and a trickle charging unit. The charging control circuit further includes a branch switch, a control unit, and a detection unit. The branch switch is connected between a power source and the rechargeable battery for enabling or disabling the constant-current charging unit. The control unit is between the constant-current charging unit and the branch switch for controlling the branch switch. The detection unit is used to detect a state of the rechargeable battery. If the detection unit detects the state of the rechargeable battery is correspond to a predetermined state, then the control unit controls the branch switch to disable the constant-current charging unit and enable the trickle charging unit.

US20090408727

2009-03-23

2009-10-15

H02J-7/06、H02J-7/04、H02J-7/04、H02J-7/06

HONG FU JIN PRECISION INDUSTRY (ShenZen) Co., LTD.;HON HAI PRECISION INDUSTRY CO., LTD.;Wang, Han-CheWangHan-Che;Chung, Shin-HongChungShin-Hong;Zhao, XinZhaoXin;Ouyang, Hong-ShengOuyangHong-Sheng;You, Ruey-ShyangYouRuey-Shyang

Wang, Han-Che、Chung, Shin-Hong、Zhao, Xin、Ouyang, Hong-Sheng、You, Ruey-Shyang

美国(US)