s-8211das-m5t1g Seiko Instruments Inc., s-8211das-m5t1g Datasheet - Page 22

• Manufacturer Part Number: s-8211das-m5t1g
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

22
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
(4) Detection for irregular charging current
*1. (1) : Normal mode
Remark The charger is assumed to charge with a constant current.
Battery voltage
DO pin voltage
CO pin voltage
VM pin voltage
(2) : Overdischarge mode
(3) : Overcharge mode
Charger connection
Load connection
V
V
CL
DU
(V
(V
CU
V
DL
V
V
V
V
V
V
V
V
Mode
CHA
CU
DD
SS
DD
SS
DD
SS
DL
− V
+ V
HC
HD
*1
)
)
(1)
Overdischarge detection
Seiko Instruments Inc.
delay time (t
Figure 14
DL
)
(2)
Abnormal charging current detection delay time
( = Overcharge detection delay time (t
(1)
(3)
CU
))
Rev.4.6
(1)
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