- 专利标题： Fuel gauge system for measuring the amount of current in battery and portable electronic device including the same
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申请号： US16159842申请日： 2018-10-15
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公开(公告)号： US10921377B2公开(公告)日： 2021-02-16
- 发明人: Kudo Ryotaro , Dong Jin Keum , Byung Chul Jeon , Jin Sub Choi
- 申请人： Samsung Electronics Co., Ltd.
- 申请人地址： KR Suwon-si
- 专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人地址： KR Suwon-si
- 代理机构： Harness, Dickey & Pierce, P.L.C,
- 优先权： KR10-2015-0155318 20151105
- 主分类号： G01R31/382
- IPC分类号： G01R31/382 ; G01R1/20 ; G01R15/08
摘要：
A fuel gauge system for measuring the amount of current in a battery is provided. The fuel gauge system includes a first resistive element connected in series to the battery, a second resistive element connected in series to the first resistive element, a first switch connected in parallel to the second resistive element to control a current flowing in the second resistive element, a second switch connected in series to the second resistive element to control the current flowing in the second resistive element, a controller configured to output a first switching signal to the first switch and output a second switching signal to the second switch, and a fuel gauge circuit configured to measure a battery current flowing in the first resistive element and the second resistive element.
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