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HM4050AMR Datasheet(PDF) 7 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM4050AMR
Description  200mA linear lithium ion battery charger
PDF  8 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

HM4050AMR Datasheet(HTML) 7 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM4050AMR Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4050AMR Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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●热限制
如果芯片温度升至135C以上时,一个内部热反馈环路将减小设定的充电电流。该功能可防止 HM4050AMR过热,并允
许用户提高给定电路板功率处理能力的上限而减小损坏
HM4050AMR的风险。
●欠压锁闭
HM4050AMR拥有一个内部欠压锁定电路对输入电压进行监控,在VCC升至欠压锁定门限电压之前使芯片保持在停机工
作模式。当VCC电压升高至3.8V之后,芯片退出UVLO,开始正常工作。VCC下降时的UVLO迟滞电压为200mV。
●自动充电循环
电池电压达到浮充电压,充电循环被终止之后,
HM4050AMR立即对BAT端电压进行监控。当BAT端电压低于4.1V时,
充电循环重新开始。确保了电池被维持在一个接近满电的状态,同时免除了进行周期性充电循环启动的需要。
HM4050AMR
200mA线性锂离子电池充电器



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