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HM9901 Datasheet(PDF) 9 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM9901
Description  One Cell Lithium-ion/Polymer Battery Protection IC
PDF  11 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

HM9901 Datasheet(HTML) 9 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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3．
Charger Detection
VCU
VCU-
VHC
Battery
voltage
VDL+VDH
VDL
ON
DISCHARGE
OFF
Charger connection
Load connection
VDD
VSS
VCHA
VM
(1)
(1)
(3)
tDL
Figure5-3 Charger Detection
4．
Abnormal Charger Detection
VCU
VCU-
VHC
Battery
voltage
VDL+VDH
VDL
ON
DISCHARGE
OFF
ON
CHARGE
OFF
VDD
VSS
VCHA
VM
(1)
(3)
(1)
(2)
(1)
Charger connection
Load connection
tDL
tCU
Figure5-4 Abnormal Charger Detection
Remark: (1) Normal condition (2) Overcharge voltage condition (3) Overdischarge voltage condition (4)
Overcurrent condition)
HM9901



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