S-8261ABRMD-G3RT2G Datasheet, PDF (22/33 Pages) List of Unclassifed Manufacturers – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8261 Series
Rev.5.3_00
„ Timing Chart
(1) Overcharge and Overdischarge Detection
Battery
voltage
VCU
VCU–VHC
V_DL+V_HD
VDL
V_DD
DO pin
VSS
V_DD
CO pin
V_SS
VM pin
V_DD
V_IOV1
V_SS
VCH A
Charger connection
Load connection
Overcharge detection delay time (tCU)
Overdischarge detection delay time (tDL)
Status
(1)
(2)
(1)
(3)
(1)
Remark (1) Normal status, (2) Overcharge status, (3) Overdischarge status, (4) Overcurrent status
The charger is supposed to charge with constant current.
Figure 6
(2) Overcurrent Detection
Battery
voltage
VC U
V_{C U}−V_HC
V_{D L}+V_{H D}
V_{D L}
V_{D D}
DO pin
VSS
V_DD
CO pin
V_SS
VM pin
V_DD
VSHORT
V_IOV2
V_IOV1
V_SS
Charger connection
Load connection
Overcurrent 1 detection delay time (t_IOV1) Overcurrent 2 detection delay time (t_IOV2)
Status ₍₁₎
(4)
(1)
(4)
(1)
Load short-circuiting detection delay time (t_SHORT)
(4)
(1)
Remark (1) Normal status, (2) Overcharge status, (3) Overdischarge status, (4) Overcurrent status
The charger is supposed to charge with constant current.
Figure 7
22
Seiko Instruments Inc.