S-82B1AAA-I6T1U Datasheet, PDF (22/35 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
4. Charge-discharge inhibition operation
VCU
VCL (VCU − VHC)
Voltage battery
VDU (VDL + VHD)
VDL
VDD
DO pin voltage
V_SS
VDD
CO pin voltage
V_SS
V_EB−
VDD
VM pin voltage
VDIOV1
VVC^V_{EIOSBSV−}
CTL pin voltagVe^CVTDLHD
(Active "H")
VCTLL
VSS
V_DD
CTL pin voltagVe^CTLH
(Active "L")
VCTLL
V_SS
Charger connection
Load connection
Charge-discharge
inhibition delay time (t_CTL)
Overdischarge detection
delay time (tDL)
Charge-discharge
inhibition delay time (tCTL)
(1)
(2)
(1)
Status^*1
(3)
(1)
(2)
*1. (1): Normal status
(2): Charge-discharge inhibition status
(3): Overdischarge status
Remark The charger is assumed to charge with a constant current.
Figure 14
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