S8211C Datasheet, PDF (8/43 Pages) Seiko Instruments Inc – High-accuracy voltage detection circuit

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211C Series
Rev.7.7_00
 Pin Configurations
1. SOT-23-5
Top view
54
123
Figure 2
Pin No.
1
2
3
4
Symbol
VM
VDD
VSS
DO
5
CO
Table 6
Description
Voltage detection pin between VM pin and VSS pin
(Overcurrent / charger detection pin)
Input pin for positive power supply
Input pin for negative power supply
Connection pin of discharge control FET gate
(CMOS output)
Connection pin of charge control FET gate
(CMOS output)
2. SNT-6A
Top view
1
6
2
5
3
4
Figure 3
Table 7
Pin No. Symbol
Description
1
NC^*1
P
2
CO
No connection
Connection pin of charge control FET gate
(CMOS output)
3
DO
Connection pin of discharge control FET gate
(CMOS output)
4
VSS
Input pin for negative power supply
5
VDD
Input pin for positive power supply
6
VM
Voltage detection pin between VM pin and VSS pin
(Overcurrent / charger detection pin)
*1. The NC pin is electrically open.
The NC pin can be connected to VDD pin or VSS pin.
8
Seiko Instruments Inc.