s-8233bcft-tb-g Seiko Instruments Inc., s-8233bcft-tb-g Datasheet - Page 4

• Manufacturer Part Number: s-8233bcft-tb-g
• Description: Battery Protection Ic For 3-serial-cell Pack
• Manufacturer: Seiko Instruments Inc.

4
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Pin Configuration
COVT
DOP
COP
VMP
CDT
CCT
VSS
NC
16-Pin TSSOP
1
2
3
4
5
6
8
7
Figure 2
Top view
16
15
14
13
12
11
10
9
CD1
VCC
VC1
CD2
CD3
CTL
NC
VC2
Pin No.
*1. The NC pin is electrically open. The NC pin can be connected to VCC or VSS.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Seiko Instruments Inc.
Symbol
COVT
DOP
COP
VMP
CDT
CCT
VCC
VSS
CD3
VC2
CD2
VC1
CD1
CTL
NC
NC
Connects FET gate for discharge control (CMOS output)
Non connect
Connects FET gate for charge control (Nch open-drain output)
Detects voltage between VCC to VMP(Over current detection pin)
Connects capacitor for over current detection1delay circuit
Connects capacitor for over discharge detection delay circuit
Connects capacitor for over charge detection delay circuit
Negative power input, and connects negative voltage for battery 3
Charge/discharge control signal input
Battery 3 conditioning signal output
Connects battery 2 negative voltage and battery 3 positive voltage
Battery 2 conditioning signal output
Connects battery 1 negative voltage and battery 2 positive voltage
Battery 1 conditioning signal output
Non connect
Positive power input and connects battery 1 positive voltage
*1
*1
Table 2
Description
Rev.4.3
_00