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HM5563A データシート(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

部品番号. HM5563A
部品情報  One Cell Lithium-ion/Polymer Battery Protection IC
ダウンロード  11 Pages
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メーカー  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
ホームページ  http://www.hmsemi.com/
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HM5563A Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

 
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______________________________________ ____________________________________________________ _________________________
_
Overcharge Voltage Detection
Delay Time
tCU
130
200
mS
Overdischarge Voltage Detection
Delay Time
tDL
40
60
mS
Overdischarge Current
Detection
Delay Time
*tIOV
VDD=3.6V
10
20
mS
Load Short-Circuiting Detection
Delay Time
*tSHOR
T
VDD=3.6V
75
150
uS
Note: * ---The parameter is guaranteed by design.
Figure 3. Functional Block Diagram
FUNCTIONAL DESCRIPTION
The HM5563A monitors the voltage and
current of a battery and protects it from
being damaged due to overcharge voltage,
overdischarge voltage, overdischarge
current, and short circuit conditions by
disconnecting the battery from the load
or charger. These functions are required in
order to operate the battery cell within
specified limits.
The device requires only one external
capacitor. The MOSFET is integrated and
its RSS(ON) is as low as 35mΩ typical.
Normal operating mode
If no exception condition is detected,
charging and discharging can be carried
out freely. This condition is called the
normal operating mode.
Overcharge Condition
When the battery voltage becomes higher
than the overcharge detection voltage (VCU)
during charging under normal condition
and the state continues for the overcharge
detection delay time (tCU) or longer, the
HM5563A turns the charging control FET
off to stop charging. This condition is called


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