S-82B1AAA-I6T1U Datasheet, PDF (2/35 Pages) Seiko Instruments Inc – High-accuracy voltage detection circuit

BATTERY PROTECTION IC WITH CHARGE-DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-82B1A Series
Rev.1.1_00
 Block Diagram
VDD
VSS
Overdischarge
detection comparator
DO
Overcharge
detection comparator
Discharge overcurrent
detection 1 comparator
Discharge overcurrent
detection 2 comparator
Control logic
Delay circuit
Oscillator
Load short-circuiting
detection comparator
Charge overcurrent
detection comparator
CO
VM
Pull-up / pull-down
CTL
selection circuit
Figure 1
2