S-8242B Seiko Instruments, S-8242B Datasheet - Page 4

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

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4
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8242B Series
Pin Configurations
1
2
3
4
1
2
3
4
8-Pin TSSOP
Top view
Figure 3
Figure 2
Top view
SNT-8A
8
7
6
5
8
7
6
5
*1. The NC pin is electrically open.
Remark For the external views, refer to the package drawings.
*1. The NC pin is electrically open.
Remark For the external views, refer to the package drawings.
Pin No.
Pin No.
Seiko Instruments Inc.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
The NC pin can be connected to VDD or VSS.
The NC pin can be connected to VDD or VSS.
Symbol
Symbol
VDD
VDD
NC
VSS
NC
NC
VSS
NC
CO
DO
VM
CO
DO
VM
VC
VC
*1
*1
*1
*1
Connection of charge control FET gate
(CMOS output)
Connection of discharge control FET gate
(CMOS output)
Connection for negative power supply input
and negative voltage of battery 2
Connection for negative voltage of battery 1
and positive voltage of battery 2
Connection for positive power supply input
and positive voltage of battery 1
Voltage detection between VM and VSS
(overcurrent/charger detection pin)
Connection of charge control FET gate
(CMOS output)
Connection of discharge control FET gate
(CMOS output)
Connection for negative power supply input
and negative voltage of battery 2
Connection for negative voltage of battery 1
and positive voltage of battery 2
Connection for positive power supply input
and positive voltage of battery 1
Voltage detection between VM and VSS
(overcurrent/charger detection pin)
No connection
No connection
No connection
No connection
Table 3
Table 4
Description
Description
Rev.1.4
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