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HM4091B Datasheet(PDF) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM4091B
Description  Single-cell lithium iron phosphate battery
PDF  10 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM4091B Datasheet(HTML) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM4091B Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4091B Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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在图 2 中，电池正极的恒压充电电压为：
其中，
的单位是伏特
的单位是
注：当使用外部电阻调整恒压充电电压时，由于芯片内部和外部的温度不一致及芯片生产时
的工艺偏差等原因，可能导致恒压充电电压的精度变差和温度系数变大。
功能框图：
图 3 功能框图
×
Vbat=0.025
R1+3.6
Vbat
R1
K



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