S-8244AAAPH-CEATFU Datasheet, PDF (7/32 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK

BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
Rev.6.4_02
S-8244 Series
 Pin Configurations
SNT-8A
Top view
CO 1
ICT 2
VSS 3
VC3 4
8 VCC
7 SENSE
6 VC1
5 _VC2
Figure 2
Pin No.
1
2
3
4
5
6
7
8
Table 4
Symbol
Description
CO FET gate connection pin for charge control
ICT
Capacitor connection pin for overcharge detection
delay
VSS
Input pin for negative power supply,
Connection pin for battery 4’s negative voltage
VC3
Connection pin for battery 3’s negative voltage,
Connection pin for battery 4’s positive voltage
VC2
Connection pin for battery 2’s negative voltage,
Connection pin for battery 3’s positive voltage
VC1
Connection pin for battery 1’s negative voltage,
Connection pin for battery 2’s positive voltage
SENSE Connection pin for battery 1’s positive voltage
VCC Input pin for positive power supply
VCC
SENSE
VC1
VC2
8-Pin MSOP
Top view
1
8
2
7
3
6
4
5
CO
ICT
VSS
VC3
Figure 3
Pin No.
1
2
3
4
5
6
7
8
Table 5
Symbol
Description
VCC Input pin for positive power supply
SENSE Connection pin for battery 1’s positive voltage
VC1
Connection pin for battery 1’s negative voltage,
Connection pin for battery 2’s positive voltage
VC2
Connection pin for battery 2’s negative voltage,
Connection pin for battery 3’s positive voltage
VC3
Connection pin for battery 3’s negative voltage,
Connection pin for battery 4’s positive voltage
VSS
Input pin for negative power supply,
Connection pin for battery 4’s negative voltage
ICT
Capacitor connection pin for overcharge detection
delay
CO FET gate connection pin for charge control
VCC
SENSE
VC1
VC2
TMSOP-8
Top view
1
8
2
7
3
6
4
5
Figure 4
CO
ICT
VSS
VC3
Pin No.
1
2
3
4
5
6
7
8
Table 6
Symbol
Description
VCC Input pin for positive power supply
SENSE Connection pin for battery 1’s positive voltage
VC1
Connection pin for battery 1’s negative voltage,
Connection pin for battery 2’s positive voltage
VC2
Connection pin for battery 2’s negative voltage,
Connection pin for battery 3’s positive voltage
VC3
Connection pin for battery 3’s negative voltage,
Connection pin for battery 4’s positive voltage
VSS
Input pin for negative power supply,
Connection pin for battery 4’s negative voltage
ICT
Capacitor connection pin for overcharge detection
delay
CO FET gate connection pin for charge control
7