S-8211D Datasheet, PDF (2/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
„ Block Diagram
DO
Output control circuit
0 V battery charge circuit
or 0 V battery charge
inhibition circuit
Divider control
circuit
Oscillator control
circuit
CO
R_VMD
VM
R_VMS
Charger detection circuit
+
−
Discharge overcurrent detection
comparator
+
−
Overcharge
detection
comparator
+
−
Load short-circuiting detection
comparator
+
−
Overdischarge
detection
comparator
Remark All diodes shown in figure are parasitic diodes.
Figure 1
Rev.4.5_00
VDD
VSS
2
Seiko Instruments Inc.