S-8233A Seiko Instruments, S-8233A Datasheet - Page 5

• Manufacturer Part Number: S-8233A
• Description: Battery Protection IC for 3-Serial Cell Pack
• Manufacturer: Seiko Instruments

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