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S-8225AAA-TCT1U Datasheet, PDF (2/26 Pages) Seiko Instruments Inc – BATTERY MONITORING IC | |||
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BATTERY MONITORING IC FOR 3-SERIAL TO 5-SERIAL CELL PACK
S-8225A Series
ï® Block Diagram
Rev.1.7_02
CTLD
CTLC
CO pin output voltage
limit circuit
CO
DO pin output voltage
limit circuit
DO
SEL1
SEL2
CDT
CCT
Control circuit
Delay circuit
Delay circuit
Overcharge 1
â
Over- +
discharge 1+
â
Overcharge 2
â
Over- +
discharge 2 +
â
Overcharge 3
â
Over-
+
discharge 3 +
â
Overcharge 4 â
Over-
+
discharge 4 +
â
Overcharge 5 â
Over-
+
discharge 5 +
â
VDD
VC1
VC2
VC3
VC4
VC5
VC6
VSS
Remark Diodes in the figure are parasitic diodes.
2
Figure 1
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