s-8261aaj Seiko Instruments Inc., s-8261aaj Datasheet - Page 22

• Manufacturer Part Number: s-8261aaj
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

22
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8261 Series
Timing Chart
(1) Overcharge and Overdischarge Detection
(2) Overcurrent Detection
Battery
voltage
DO pin
CO pin
VM pin
Remark (1) Normal status, (2) Overcharge status, (3) Overdischarge status, (4) Overcurrent status
Charger connection
Load connection
Battery
voltage
DO pin
CO pin
VM pin
Remark (1) Normal status, (2) Overcharge status, (3) Overdischarge status, (4) Overcurrent status
Overcurrent 1 detection delay time (t
The charger is supposed to charge with constant current.
V
V
V
V
V
V
V
V
V
V
V
V
V
Status
DD
SHORT
IOV2
IOV1
SS
Charger connection
Load connection
CU
CU
DL
DL
DD
SS
DD
SS
The charger is supposed to charge with constant current.
V
V
HD
V
V
V
V
V
V
V
V
V
V
V
V
HC
CU
CU
DL
DL
DD
SS
DD
SS
DD
IOV1
SS
CHA
Status
+V
–V
(1)
HD
HC
(4)
Overcharge detection delay time (t
(1)
IOV1
)
(1)
Seiko Instruments Inc.
Overcurrent 2 detection delay time (t
(2)
Figure 7
(4)
CU
Figure 6
)
(1)
Overdischarge detection delay time (t
IOV2
(1)
)
(3)
Load short-circuiting detection delay time (t
(4)
DL
)
(1)
(1)
Rev.4.6
SHORT
)
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