S8239B Datasheet, PDF (2/25 Pages) Seiko Instruments Inc – OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK

OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239B Series
 Block Diagram
DP
Rev.1.1_00
DO
VDD
+
Delay circuit
−
UVLO detection
comparator
output control circuit
+
R_VMD
VM
−
Overcurrent latch
comparator
VINI
VSS
+
− _{Overcurrent 1}
detection comparator
+
− _{Overcurrent 2}
detection comparator
+
− _{Overcurrent 3}
detection comparator
Remark All the diodes shown in the figure are parasitic diodes.
Figure 1
2
Seiko Instruments Inc.