S-8239AAA-M6T1U Datasheet, PDF (2/30 Pages) Seiko Instruments Inc – OVERCURRENT MONITORING IC

OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239A Series
 Block Diagram
DP
Rev.1.4_03
DO
VDD
+
Delay circuit
−
UVLO detection
comparator
output control circuit
+
VM
−
Overcurrent latch
R_VMS
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