S-8261 Seiko Instruments, S-8261 Datasheet - Page 23

• Manufacturer Part Number: S-8261
• Description: Battery Protection IC for Single-Cell Pack
• Manufacturer: Seiko Instruments

Rev.1.9
3. Charger Detection
4. Abnormal Charge Current Detection
_00
Battery
voltage
DO pin
CO pin
VM pin
Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition
Battery
voltage
DO pin
CO pin
VM pin
Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition
Charger connection
Load connection
Charger connection
Load connection
Mode
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
The charger is supposed to charge with constant current.
The charger is supposed to charge with constant current.
CU
CU
DL
DL
DD
SS
DD
SS
DD
SS
CHA
CU
CU
DL
DL
DD
SS
DD
SS
DD
SS
CHA
Mode
−V
+V
+V
−V
HD
HC
HC
HD
Overdischarge detection delay time (t
(1)
(1)
Overdischarge detection delay time (t
BATTERY PROTECTION IC FOR SINGLE-CELL PACK
Seiko Instruments Inc.
Figure 10
Figure 9
(3)
(3)
DL
)
DL
)
(1)
In case VM pin voltage < V
Overdischarge is released at the overdischarge
detection voltage (V
Abnormal charging current detection delay time
( = Overcharge detection delay time (t
(2)
DL
)
(1)
CHA
(1)
S-8261 Series
CU
))
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