S-8230AAD-I6T1U Datasheet, PDF (24/37 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

BATTERY PROTECTION IC WITH DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-8230A/B Series
4. Discharge inhibition operation
4. 1 Discharge inhibition status latch function "available"
VCU
VCL (VCU − VHC)
Battery voltage
VDU (VDL + VHD)
VDL
Rev.2.5_00
VDD
DO pin voltage
VSS
VDD
CO pin voltage
VSS
VEB_−
VDD
VM pin voltage
VDIOV
VVC^V_{EIOSBSV−}
VC^VTDLDH
CTL pin voltage
(Active "H")
VCTLL
VSS
VDD
VCTLH
CTL pin voltage
(Active "L")
VCTLL
VSS
Charger connection
Load connection
Discharge inhibition delay time (tCTL) tCTL
(1)
(2)
(1)
Status^*1
*1. (1): Normal status
(2): Discharge inhibition status
(3): Overcharge status
Remark The charger is assumed to charge with a constant current.
Figure 14
24
Overcharge detection delay time (tCU) tCTL
(2)
(1)
(3) (1) ₍₂₎