S-8254A データシートの表示（PDF） - Unspecified
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S-8254A Datasheet PDF : 29 Pages
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Rev.5.2_01
BATTERY PROTECTION IC FOR 3-SERIAL- OR 4-SERIAL-CELL PACK
S-8254A Series
Electrical Characteristics
Item
[ DETECTION VOLTAGE ]
Overcharge detection voltage n
(n 1, 2, 3, 4)
Overcharge release voltage n
(n 1, 2, 3, 4)
Symbol
VCUn
VCLn
Overdischarge detection voltage n
(n 1, 2, 3, 4)
VDLn
Overdischarge release voltage n VDUn
(n 1, 2, 3, 4)
Overcurrent detection voltage 1 VIOV1
Overcurrent detection voltage 2 VIOV2
Overcurrent detection voltage 3 VIOV3
Temperature coefficient 1 *1
Temperature coefficient 2 *2
[ DELAY TIME ]
TCOE1
TCOE2
Overcharge detection delay time tCU
Overdischarge detection
delay time
tDL
Overcurrent detection
delay time 1
tIOV1
Overcurrent detection
delay time 2
tIOV2
Overcurrent detection
delay time 3
tIOV3
[ 0 V BATTERY CHARGE FUNCTION ]
0 V battery charge
starting charger voltage
V0CHA
0 V battery charge
inhibition battery voltage
V0INH
[ INTERNAL RESISTANCE ]
Resistance between
VMP and VDD
RVMD
Resistance between
VMP and VSS
RVMS
Table 4 (1 / 2)
Conditions
3.9 V to 4.4 V, Adjustable
3.8 V to 4.4 V,
Adjustable
VCL VCU
VCL VCU
2.0 V to 3.0 V, Adjustable
2.0 V to 3.4 V,
Adjustable
VDL VDU
VDL VDU
0.05 V to 0.3 V, Adjustable
Ta 0°C to 50°C *3
Ta 0°C to 50°C *3
CCT pin capacitance 0.1 F
CDT pin capacitance 0.1 F
CDT pin capacitance 0.1 F
FET gate capacitance 2000 pF
0 V battery charging available
0 V battery charging unavailable
(Ta 25C unless otherwise specified)
Min. Typ. Max.
Unit
Test
circuit
VCUn
0.025
VCUn
VCUn
0.025
V
2
VCLn
0.05
VCLn
VCLn
0.05
V
2
VCLn
0.025
VCLn
VCLn
0.025
V
2
VDLn
0.08
VDLn
VDLn
0.08
V
2
VDUn
0.10
VDUn
VDUn
0.10
V
2
VDUn
0.08
VDUn
VDUn
0.08
V
2
VIOV1
0.025
VIOV1
VIOV1
0.025
V
2
0.4
0.5
0.6
V
2
VVC1
1.5
VVC1
1.2
VVC1
0.9
V
2
1.0
0
1.0 mV / °C 2
0.5
0
0.5 mV / °C 2
0.5
1.0
1.5
s
3
50
100 150
ms
3
5
10
15
ms
3
0.4
1
1.6
ms
3
100 300 600
s
3
0.8
1.5
V
4
0.4
0.7
1.1
V
4
0.5
1
1.5
M
5
450 900 1800
k
5
7
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