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S-8242BAN-I8T1G Datasheet(PDF) 6 Page - Seiko Instruments Inc

Part # S-8242BAN-I8T1G
Description  BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-8242BAN-I8T1G Datasheet(HTML) 6 Page - Seiko Instruments Inc

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BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8242B Series
Rev.1.4_00
Seiko Instruments Inc.
6
Electrical Characteristics
Table 6
(Ta
=25°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
condition
Test
circuit
[DETECTION VOLTAGE]
Overcharge detection voltage n
VCUn
3.90 to 4.50 V, Adjustable
VCUn
–0.025
VCUn
VCUn
+0.025
V
1
1
Overcharge release voltage n
VCLn
3.80 to 4.50 V, Adjustable
VCLn
–0.05
VCLn
VCLn
+0.05
V
1
1
Overdischarge detection voltage n
VDLn
2.0 to 3.0 V, Adjustable
VDLn
–0.05
VDLn
VDLn
+0.05
V
2
2
Overdischarge release voltage n
VDUn
2.0 to 3.40 V, Adjustable
VDUn
–0.10
VDUn
VDUn
+0.10
V
2
2
Overcurrent detection voltage 1
VIOV1
0.05 to 0.30 V, Adjustable
VIOV1
–0.015
VIOV1
VIOV1
+0.015
V
3
2
Overcurrent detection voltage 2
VIOV2
0.9
1.2
1.5
V
3
2
Charger detection voltage
VCHA
–1.0
–0.7
–0.4
V
4
2
Temperature coefficient 1
TCOE1
Ta=0 to 50°C
*1
–1.0
0
1.0
mV/°C
Temperature coefficient 2
TCOE2
Ta=0 to 50°C
*2
–0.5
0
0.5
mV/°C
[DELAY TIME]
Overcharge detection delay time
tCU
0.92
1.15
1.38
s
9
2
Overdischarge detection delay time
tDL
115
144
173
ms
9
2
Overcurrent detection delay time 1
tIOV1
7.2
9
11
ms
10
2
Overcurrent detection delay time 2
tIOV2
FET gate capacitance
=2000 pF
220
300
380
µs
10
2
[0 V BATTERY CHARGE FUNCTION]
0 V charge starting charger voltage
V0CHA
0 V charge available
1.2
V
11
2
0 V battery charge inhibition battery voltage
V0INH
0 V charge unavailable
0.5
V
12
2
[INTERNAL RESISTANCE]
Resistance between VM and VDD
RVMD
V1=V2=1.5 V, VVM=0 V
100
300
900
k
6
3
Resistance between VM and VSS
RVMS
V1=V2=3.5 V, VVM=1.0 V
5
10
20
k
6
3
[INPUT VOLTAGE]
Operating voltage between VDD and VSS
VDSOP1 Internal circuit operating voltage
1.5
10
V
Operating voltage between VDD and VM
VDSOP2 Internal circuit operating voltage
1.5
28
V
[INPUT CURRENT]
Current consumption during operation
IOPE
V1=V2=3.5 V, VVM=0 V
5
10
µA
5
3
Current consumption at power down
IPDN
V1=V2=1.5 V, VVM=3.0 V
0.1
µA
5
3
VC pin current
IVC
V1=V2=3.5 V, VVM=0 V
–0.3
0
0.3
µA
5
3
[OUTPUT RESISTANCE]
CO pin H resistance
RCOH
VCO=VDD–0.5 V
2
4
8
k
7
4
CO pin L resistance
RCOL
VCO=VVM+0.5 V
2
4
8
k
7
4
DO pin H resistance
RDOH
VDO=VDD–0.5 V
2
4
8
k
8
4
DO pin L resistance
RDOL
VDO=VSS +0.5 V
2
4
8
k
8
4
*1. Voltage temperature coefficient 1: Overcharge detection voltage
*2. Voltage temperature coefficient 2: Overcurrent detection voltage 1


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