S-8242B Seiko Instruments, S-8242B Datasheet - Page 6

• Manufacturer Part Number: S-8242B
• Description: BATTERY PROTECTION IC
• Manufacturer: Seiko Instruments

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*1. Voltage temperature coefficient 1: Overcharge detection voltage
*2. Voltage temperature coefficient 2: Overcurrent detection voltage 1
6
[DETECTION VOLTAGE]
Overcharge detection voltage n
Overcharge release voltage n
Overdischarge detection voltage n
Overdischarge release voltage n
Overcurrent detection voltage 1
Overcurrent detection voltage 2
Charger detection voltage
Temperature coefficient 1
Temperature coefficient 2
[DELAY TIME]
Overcharge detection delay time
Overdischarge detection delay time
Overcurrent detection delay time 1
Overcurrent detection delay time 2
[0 V BATTERY CHARGE FUNCTION]
0 V charge starting charger voltage
0 V battery charge inhibition battery voltage
[INTERNAL RESISTANCE]
Resistance between VM and VDD
Resistance between VM and VSS
[INPUT VOLTAGE]
Operating voltage between VDD and VSS
Operating voltage between VDD and VM
[INPUT CURRENT]
Current consumption during operation
Current consumption at power down
VC pin current
[OUTPUT RESISTANCE]
CO pin H resistance
CO pin L resistance
DO pin H resistance
DO pin L resistance
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8242B Series
Electrical Characteristics
Item
Symbol
V
V
V
V
V
V
V
T
T
t
t
t
t
V
V
R
R
V
V
I
I
I
R
R
R
R
CU
DL
IOV1
IOV2
OPE
PDN
VC
COE1
COE2
CUn
CLn
DLn
DUn
IOV1
IOV2
CHA
0CHA
0INH
DSOP1
DSOP2
VMD
VMS
COH
COL
DOH
DOL
FET gate capacitance =2000 pF
Internal circuit operating voltage
Internal circuit operating voltage
3.90 to 4.50 V, Adjustable
3.80 to 4.50 V, Adjustable
0.05 to 0.30 V, Adjustable
Seiko Instruments Inc.
V1=V2=3.5 V, V
V1=V2=1.5 V, V
2.0 to 3.40 V, Adjustable
2.0 to 3.0 V, Adjustable
0 V charge unavailable
V1=V2=1.5 V, V
V1=V2=3.5 V, V
V1=V2=3.5 V, V
0 V charge available
V
V
V
V
Ta=0 to 50°C
Ta=0 to 50°C
DO
CO
CO
DO
Condition
=V
=V
=V
=V
Table 6
SS
VM





DD
DD
–0.5 V
+0.5 V
–0.5 V
+0.5 V
VM
VM
VM
VM
VM
*1
*2
=1.0 V
=3.0 V
=0 V
=0 V
=0 V
–0.025
–0.015
–0.05
–0.05
–0.10
V
Min.
V
V
V
V
–1.0
–1.0
–0.5
0.92
–0.3
115
220
100
0.9
7.2
1.2
1.5
1.5



IOV1
CUn
DUn
CLn
DLn
5
2
2
2
2
V
Typ.
V
V
–0.7
1.15
V
V
144
300
300
1.2
10
IOV1





CUn
DUn
CLn
DLn
0
0
9
5
0
4
4
4
4
+0.025
+0.015
(Ta=25°C unless otherwise specified)
+0.05
+0.05
+0.10
Max.
V
V
V
V
V
–0.4
1.38
173
380
900
1.5
1.0
0.5
0.5
0.1
0.3
11
20
10
28
10
IOV1

CUn
DUn
CLn
DLn
8
8
8
8
mV/°C
mV/°C
Unit
ms
ms
kΩ
kΩ
µA
µA
µA
kΩ
kΩ
kΩ
kΩ
µs
V
V
V
V
V
V
V
V
V
V
V
s
condition
Rev.1.4
Test
10
10
11
12




1
1
2
2
3
3
4
9
9
6
6
5
5
5
7
7
8
8
circuit
Test




_00
2
2
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
3
4
4
4
4