S-8261AAJMD-G2JT2G Datasheet, PDF (23/33 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

Rev.5.3_00
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8261 Series
(3) Charger Detection
Battery
voltage
V_CU
V_CU−V_HC
V_DL+V_HD
VDL
V_DD
DO pin
V_SS
CO pin ^VDD
V_SS
VM pin ^VDD
V_SS
V_{CH A}
Charger connection
Load connection
Status
Overdischarge detection delay time (tDL)
In case VM pin voltage < VCHA
Overdischarge is released at the overdischarge
detection voltage (VDL)
(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 8
(4) Abnormal Charge Current Detection
V_{C U}
Battery VCU−VHC
voltage
V_{D L}+V_{H D}
V_{D L}
V_{D D}
DO pin
V_SS
V_{D D}
CO pin
V_SS
VM pin ^VDD
V_SS
V_{C HA}
Charger connection
Load connection
Status
Overdischarge detection delay time (t_DL)
(1)
(3)
(1)
Abnormal charging current detection delay time
( = Overcharge detection delay time (t_CU))
(2)
(1)
Remark (1) Normal status, (2) Overcharge status, (3) Overdischarge status, (4) Overcurrent status
The charger is supposed to charge with constant current.
Figure 9
Seiko Instruments Inc.
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