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HM4090 データシート(PDF) 8 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

部品番号 HM4090
部品情報  2.0A, 1/2-cell lithium battery switch charger
PDF  15 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/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM4090 データシート(HTML) 8 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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Symbol
Parameter
Condition
SPEC
Unit
Min.
Typ.
Max.
Input Under-Voltage Lock-Out Comparator (UVLO)
VUVLO
AC under-voltage
rising
Measure on IN
4.1
V
VUVLO-HSY
AC under-voltage
Measure on IN
3.9
V
Sleep Comparator (Reverse Discharging Protection)
VSLEEP
Sleep mode threshold VIN-VBAT falling
50
mV
VSLEEP-HYS
Hysteresis
VIN-VBAT rising
250
mV
tSLEEP-DC
Deglitch to disable
charge
VIN-VBAT falling
1
mS
tSLEEP-FALL
Deglitch to enter Sleep VIN-VBAT falling
1
mS
tSLEEP-RISE
Deglitch to exit Sleep VIN-VBAT rising
1.3
S
Bat Low Comparator
VLOWV
Pre-charge to fast
charge transition
threshold
1 cell, measured on BAT
2.8
2.9
3.0
V
2 cells, measured on BAT
5.7
5.8
5.9
V
VLOWV-HYS
Fast charge to
pre-charge hysteresis
1 cell, measured on BAT
100
mV
2 cells, measured on BAT
200
mV
tpre2fast
VLOWV rising deglitch Delay to start fast charge current
25
mS
tfast2pre
VLOWV falling deglitch Delay to start pre-charge current
25
mS
VSHORT
Battery short voltage
measured on BAT
2.2
V
VSHORT_HY
Battery short voltage
hysteresis
measured on BAT
2.4
V
I SHORT
Battery short bias
10
mA
Re-Charge Comparator
VRECHG
Re-charge Threshold,
below regulation
voltage limit,
VBAT-REG-VBAT
2 cells, measured on BAT
50
100
150
mV
2 cells, measured on BAT
100
130
160
mV
tRECH-RISE_DEG VRECHG rising deglitch VBAT decreasing below VRECHG
25
mS
HM409



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