s-8204a Seiko Instruments Inc., s-8204a Datasheet - Page 4

• Manufacturer Part Number: s-8204a
• Description: Battery Protection Ic For 3-series Or 4-series Cell Pack
• Manufacturer: Seiko Instruments Inc.

4
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204A Series
Pin Configuration
Pin No.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Symbol
CTLD
CTLC
COP
VMP
DOP
CDT
CCT
VDD
VINI
VSS
VC4
VC3
VC2
VC1
SEL
CIT
CDT
CCT
COP
VMP
DOP
VINI
SEL
CIT
FET gate connection pin for charge control
(Nch open drain output)
Pin for voltage detection between VDD and VMP
FET gate connection pin for discharge control FET
(CMOS output)
Pin for voltage detection between VSS and VINI
• Pin for charge overcurrent detection
Capacitor connection pin for delay for overdischarge detection voltage
Capacitor connection pin for delay for overcharge detection voltage
Capacitor connection pin
for delay detection for discharge overcurrent 1, 2
for delay for charge overcurrent detection
Pin for switching 3-series or 4-series cell
• V
• V
Input pin for negative power supply,
Connection pin for battery 4’s negative voltage
Connection pin for battery 4’s negative voltage
Connection pin for battery 3’s negative voltage,
Connection pin for battery 4’s positive voltage
Connection pin for battery 2’s negative voltage,
Connection pin for battery 3’s positive voltage
Connection pin for battery 1’s negative voltage,
Connection pin for battery 2’s positive voltage
Input pin for positive power supply,
Connection pin for battery 1’s positive voltage
Control pin for discharge FET
Control pin for charge FET
• Pin for discharge overcurrent detection 1,2/Pin for short circuit detection
voltage
SS
DD
level: 3-series cell
level : 4-series cell
1
2
3
4
5
6
7
8
Seiko Instruments Inc.
16-Pin TSSOP
Top view
Figure 2
Table 2
Description
12
16
15
14
13
11
10
9
CTLC
CTLD
VDD
VC1
VC2
VC3
VC4
VSS
Rev.1.3
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