S-8239BAA-M6T1U Datasheet, PDF (13/25 Pages) Seiko Instruments Inc – OVERCURRENT MONITORING IC

Rev.1.1_03
OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239B Series
 Timing Charts
1. Overcurrent detection
1. 1 Overcurrent 3 detection function "available"
VINI pin
VDIOV3
VDIOV2
VDIOV1
VSS
VDD
VRIOV
VM pin
VSS
DO pin
High-Z
VSS
Charger connection
External load connection
Status^*1
Overcurrent 1 detection
delay time (tDIOV1)
(1)
(2)
*1. (1): Normal status
(2): Overcurrent status
High-Z
High-Z
High-Z
Overcurrent 2 detection
delay time (tDIOV2)
(1)
(2)
Overcurrent 3 detection
delay time (tDIOV3)
(1)
(2)
(1)
Figure 10
13