s-8211eae-i6t1g Seiko Instruments Inc., s-8211eae-i6t1g Datasheet - Page 12

• Manufacturer Part Number: s-8211eae-i6t1g
• Description: Lithium-ion Battery Protection Ics
• Manufacturer: Seiko Instruments Inc.

12
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211E Series
Operation
Remark Refer to the “ Battery Protection IC Connection Example”.
1. Normal Status
2. Overcharge Status
3. Overdischarge Status
4. Delay Circuit
This IC monitors the voltage of the battery connected between the VDD pin and the VSS pin. The CO pin and the DO
pin output the VDD voltage when the battery voltage is overdischarge detection voltage (V
detection voltage (V
When the battery voltage in the normal status exceeds the overcharge detection voltage (V
status is held for the overcharge detection delay time (t
overcharge status.
This overcharge status is released when the battery voltage decreases to the overcharge release voltage (V
less.
When the battery voltage in the normal status decreases than the overcharge detection voltage (V
discharge, and this status is held for the overdischarge detection delay time (t
potential. This is the overdischarge status.
This overdischarge status is released when the battery voltage increases to the overdischarge release voltage (V
or more.
The detection delay times are determined by dividing a clock of approximately 3.5 kHz by the counter.
CU
) or less. This is the normal status.
Seiko Instruments Inc.
CU
) or more, the CO pin outputs the VSS potential. This is the
DL
) or more, the DO pin outputs the VSS
DL
CU
) or more and overcharge
) during charge, and this
Rev.1.0
DL
) during
CL
_00
) or
DU
)