S-8264AAA-I8T1U Datasheet, PDF (4/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 2-SERIAL

BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8264A/B/C Series
Rev.4.2_02
（3）S-8264C Series
VDD
SENSE
Overcharge
detection
comparator 1
＋
－
Reference voltage 1
VC1
VC2
Overcharge
detection
comparator 2
＋
－
Oscillator
Overcharge
detection/release
delay circuit
Reference voltage 2
Overcharge
detection
comparator 3
＋
Control
logic
－
Reference voltage 3
CO
VC3
Overcharge
detection
comparator 4
＋
－
Reference voltage 4
VSS
CTL
Remark The diodes in the figure are parasitic diodes.
Figure 3
4