s-8241abkpg-kbktfg Seiko Instruments Inc., s-8241abkpg-kbktfg Datasheet - Page 23
s-8241abkpg-kbktfg
Manufacturer Part Number
s-8241abkpg-kbktfg
Description
Battery Protection Ic For 1-cell Pack
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8241ABKPG-KBKTFG.pdf
(38 pages)
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Rev.8.1
(1) Overcharge and overdischarge detection (for products with power-down function)
(2) Overcharge and overdischarge detection (for products without power-down function)
Timing Chart
_00
Battery
voltage
DO pin
VM pin
CO pin
Battery
voltage
DO pin
VM pin
CO pin
Charger
connected
Load
connected
Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status
Charger
connected
Load
connected
Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status
Status
Status
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DD
IOV1
SS
CHA
CU
CL
DU
DL
DD
IOV1
SS
CHA
DD
SS
DD
SS
CU
CL
DU
DL
DD
SS
DD
SS
The charger is assumed to charge with a constant current.
The charger is assumed to charge with a constant current.
Overcharge detection delay time (t
Overcharge detection delay time (t
(1)
(1)
(2)
(2)
Seiko Instruments Inc.
CU
CU
)
)
BATTERY PROTECTION IC FOR 1-CELL PACK
Overdischarge detection delay time (t
(1)
Figure 7
Figure 8
Overdischarge detection delay time (t
(1)
(3)
(3)
DL
(1)
)
DL
)
Overdischarge detection delay time (t
(1)
(3)
(1)
S-8241 Series
DL
)
23
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