Invention Grant
- Patent Title: Mobile terminal with charging surge protection circuit
- Patent Title (中): 移动终端带充电浪涌保护电路
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Application No.: US13807007Application Date: 2011-03-29
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Publication No.: US09131036B2Publication Date: 2015-09-08
- Inventor: Jianliang Gu , Zhan Gu
- Applicant: Jianliang Gu , Zhan Gu
- Applicant Address: CN Huizhou, Guangdong Province
- Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.
- Current Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.
- Current Assignee Address: CN Huizhou, Guangdong Province
- Agent Cheng-Ju Chiang
- Priority: CN201010242740 20100730
- International Application: PCT/CN2011/072230 WO 20110329
- International Announcement: WO2012/013046 WO 20120202
- Main IPC: H04B1/38
- IPC: H04B1/38 ; H04M1/02 ; H02H7/18 ; H02H9/04 ; H02J7/00

Abstract:
The present disclosure provides a mobile terminal, which comprises a charging port, a power management unit (PMU), a battery, and a charging surge protection circuit disposed between the charging port and the PMU. The charging surge protection circuit comprises a low-pass filtering circuit, a switch control circuit, a diode and a first resistor. The low-pass filtering circuit has an input terminal connected to an output terminal of the charging port, and an output terminal connected to a first input terminal of the PMU. The switch control circuit has a first input terminal connected to the low-pass filtering circuit, a second input terminal connected to an output terminal of the PMU, and an output terminal connected to the first resistor via the diode. The first resistor is connected to an anode of the battery, and a cathode of the battery is grounded.
Public/Granted literature
- US20130109444A1 Mobile Terminal Public/Granted day:2013-05-02
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