S8200A Datasheet, PDF (2/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8200A Series
 Block Diagram
Output control circuit
DO
0 V battery charge /
charge inhibition circuit
Divider control
circuit
Oscillator control
circuit
CO
R_VMD
VM
R_VMS
Charger detection circuit
+
−
Discharge overcurrent detection
comparator
+
− _{Charge overcurrent detection}
comparator
+
−
Load short-circuiting detection
comparator
Remark All diodes shown in figure are parasitic diodes.
Figure 1
+
−
Overcharge
detection
comparator
+
−
Overdischarge
detection
comparator
Rev.4.0_00
VDD
VSS
2
Seiko Instruments Inc.