s-8204bad-tct1g Seiko Instruments Inc., s-8204bad-tct1g Datasheet - Page 2

• Manufacturer Part Number: s-8204bad-tct1g
• Description: Battery Protection Ic For 3-series Or 4-series Cell Pack
• Manufacturer: Seiko Instruments Inc.

2
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204B Series
Block Diagram
Remark Diodes in the figure are parasitic diodes.
COP
VMP
DOP
CDT
CCT
VINI
SEL
CIT
R
R
VMD
VMS
+
−
+
−
+
−
Discharge
overcurrent 1
Short circuit
Discharge
overcurrent 2
Delay circuit
Delay circuit
Seiko Instruments Inc.
Delay circuit
Control circuit
Figure 1
Delay circuit
Delay circuit
Over-
discharge 2
Over-
discharge 3
Over-
discharge 4
Overcharge
4
Over-
discharge 1
Overcharge
3
Overcharge
2
Overcharge
1
−
+
+
−
+
+
−
−
+
−
+
−
−
−
+
+
Rev.1.3
_00
CTLC
CTLD
VDD
VC1
VC2
VC3
VC4
VSS