S-82B1AAA-I6T1U Datasheet, PDF (20/35 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
2. 2 Release condition of discharge overcurrent status "charger connection"
V_CU
V_CL (V_CU − V_HC)
Battery voltage
V_DU (V_DL + V_HD)
V_DL
V_DD
DO pin voltage
V_SS
V_DD
CO pin voltage
V_SS
V_DD
VM
pin
voltage
VV_SDHIOORVT2
V_DVIOSVS1
V_CIOV
V_EB-
Charger connection
Load connection
Discharge overcurrent
detection delay time 1 (t_DIOV1)
Discharge overcurrent
Load short-circuiting
detection delay time 2 (t_DIOV2) detection delay time (tSHORT)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
Status^*1
*1. (1): Normal status
(2): Discharge overcurrent status
Remark The charger is assumed to charge with a constant current.
Figure 12
20