s-8209aah-i8t1g Seiko Instruments Inc., s-8209aah-i8t1g Datasheet - Page 2

• Manufacturer Part Number: s-8209aah-i8t1g
• Description: Battery Protection Ic With Cell-balance Function
• Manufacturer: Seiko Instruments Inc.

2
CTLD
CTLC
BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
S-8209A Series
DO
CO
CB
Block Diagram
Remark The diodes in the IC are parasitic diodes.
400 nA
400 nA
Seiko Instruments Inc.
Figure 1
Delay circuit
Overdischarge
detection
comparator
Cell-balance
detection
comparator
Overcharge
detection
comparator
+
−
+
−
+
−
8.31 MΩ
Rev.2.2
_00
CDT
VDD
VSS