S-8225AAA-TCT1U Datasheet, PDF (4/26 Pages) Seiko Instruments Inc – BATTERY MONITORING IC

BATTERY MONITORING IC FOR 3-SERIAL TO 5-SERIAL CELL PACK
S-8225A Series
Rev.1.7_02
 Pin Configuration
1. 16-Pin TSSOP
Top view
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
Figure 2
Table 3
Pin No.
Symbol
Description
1
CTLD
DO control pin
2
CTLC
CO control pin
3
CO
Output pin for overcharge detection
4
DO
Output pin for overdischarge detection
5
SEL1
6
SEL2
Switching pins for 3-serial to 5-serial cell^*1
7
CDT
Capacitor connection pin for delay for overdischarge detection voltage
8
CCT
Capacitor connection pin for delay for overcharge detection voltage
9
VSS
Input pin for negative power supply,
connection pin for negative voltage of battery 5
10
VC6
Connection pin for negative voltage of battery 5
11
VC5
Connection pin for negative voltage of battery 4,
connection pin for positive voltage of battery 5
12
VC4
Connection pin for negative voltage of battery 3,
connection pin for positive voltage of battery 4
13
VC3
Connection pin for negative voltage of battery 2,
connection pin for positive voltage of battery 3
14
VC2
Connection pin for negative voltage of battery 1,
connection pin for positive voltage of battery 2
15
VC1
Connection pin for positive voltage of battery 1
16
VDD
Input pin for positive power supply,
connection pin for positive voltage of battery 1
*1. Refer to "7. SEL pin" in " Operation" for setting of the SEL1 pin and the SEL2 pin.
4