s-8241abkpg-kbktfg Seiko Instruments Inc., s-8241abkpg-kbktfg Datasheet - Page 24

• Manufacturer Part Number: s-8241abkpg-kbktfg
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

24
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8241 Series
(3) Overcurrent detection
(4) Charger detection
Battery
voltage
Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status
DO pin
CO pin
VM pin
Battery
voltage
Load connection
DO pin
Note: (1) Normal mode, (2) Overcharge mode, (3) Overdischarge mode, (4) Overcurrent mode
Charger connection
CO pin
VM pin
Load connection
Charger connection
Overcurrent 1 detection delay time (t
Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status
The charger is assumed to charge with constant current.
The charger is assumed to charge with constant current.
Status
Mode
V
V
V
V
V
V
V
V
V
V
V
V
V
Status
CU
CL
DU
DL
DD
IOV2
IOV1
SS
SHORT
DD
SS
DD
SS
V
V
V
V
V
V
V
V
V
V
V
The charger is assumed to charge with constant current.
CU
CL
DU
DL
DD
SS
DD
SS
DD
SS
CHA
(1)
(4)
Overdischarge detection delay time (t
(1)
IOV1
)
(1)
Overcurrent 2 detection delay time (t
Seiko Instruments Inc.
Figure 10
Figure 9
(4)
(3)
DL
)
If VM pin voltage < V
Overdischarge is released at
overdischarge detection voltage (V
(1)
IOV2
) Load short-circuiting detection delay time (t
(4)
CHA
(1)
DL
)
(1)
Rev.8.1
SHORT
)
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