s-8209a Seiko Instruments Inc., s-8209a Datasheet - Page 2
s-8209a
Manufacturer Part Number
s-8209a
Description
Battery Protection Ic With Cell-balance Function
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8209A.pdf
(22 pages)
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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.1.0
_00
CDT
VDD
VSS
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