S-8233B Datasheet, PDF (4/26 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC (FOR A 3-SERIAL-CELL PACK)

BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Rev.4.2_00
„ Pin Configurations
16-Pin TSSOP
Top view
DOP
1
16
NC
2
15
COP
3
14
VMP
4
13
COVT
5
12
CDT
6
11
CCT
7
10
VSS
8
9
Figure 2
VCC
NC
CD1
VC1
CD2
VC2
CD3
CTL
Pin No.
1
2
Symbol
DOP
NC
Table 2
Description
Connects FET gate for discharge control (CMOS output)
Non connect^*1
3
COP Connects FET gate for charge control (Nch open-drain output)
4
VMP Detects voltage between VCC to VMP(Over current detection pin)
5
COVT Connects capacitor for over current detection1delay circuit
6
CDT Connects capacitor for over discharge detection delay circuit
7
CCT Connects capacitor for over charge detection delay circuit
8
VSS Negative power input, and connects negative voltage for battery 3
9
CTL Charge/discharge control signal input
10
CD3 Battery 3 conditioning signal output
11
VC2 Connects battery 2 negative voltage and battery 3 positive voltage
12
CD2 Battery 2 conditioning signal output
13
VC1 Connects battery 1 negative voltage and battery 2 positive voltage
14
CD1 Battery 1 conditioning signal output
15
NC
Non connect^*1
16
VCC ^{Positive power input and connects battery 1 positive voltage}
*1. The NC pin is electrically open. The NC pin can be connected to
VCC or VSS.
4
Seiko Instruments Inc.