S-8233A Datasheet, PDF (5/30 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK

Rev.3.2_10
Pin Assignment
DOP
COP
VMP
COVT
CDT
CCT
VSS
14-Pin SOP
Top view
1
14
2
13
3
12
4
11
5
10
6
9
7
8
Figure 2
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233A Series
Pin No. Symbol
Table 3
Pin description
1
DOP Connects FET gate for discharge control (CMOS output)
2
COP Connects FET gate for charge control (Nch open-drain output)
VCC
3
VMP Detects voltage between VCC to VMP(Over current detection pin)
CD1
4
COVT Connects capacitor for over current detection1delay circuit
VC1
5
CDT Connects capacitor for over discharge detection delay circuit
CD2
6
CCT Connects capacitor for over charge detection delay circuit
VC2
7
VSS Negative power input, and connects negative voltage for battery 3
8
CTL Charge/discharge control signal input
CD3
9
CD3 Battery 3 conditioning signal output
CTL
10
VC2 _{Connects battery 2 negative voltage and battery 3 positive voltage}
11
CD2 _{Battery 2 conditioning signal output}
12
VC1 _{Connects battery 1 negative voltage and battery 2 positive voltage}
13
CD1 _{Battery 1 conditioning signal output}
14
VCC ^{Positive power input and connects battery 1 positive voltage}
DOP
NC
COP
VMP
COVT
CDT
CCT
VSS
16-Pin TSSOP
Top view
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
Figure 3
Table 4
Pin No. Symbol
Pin description
1
DOP Connects FET gate for discharge control (CMOS output)
2
NC No connection^*1
VCC
3
COP Connects FET gate for charge control (Nch open-drain output)
NC
CD1
4
VMP Detects voltage between VCC to VMP(Over current detection pin)
VC1
5
COVT Connects capacitor for over current detection1 delay circuit
CD2
VC2
6
CDT Connects capacitor for over discharge detection delay circuit
CD3
7
CCT Connects capacitor for over charge detection delay circuit
CTL
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 No connection^*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.
Seiko Instruments Inc.
5