BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8264A/B/C Series
Rev.4.4_00
(3)S-8264C Series
VDD
Overcharge
detection
SENSE
comparator 1
+
-
Reference voltage 1
Overcharge
VC1
detection
Oscillator
comparator 2
+
Overcharge
detection/release
delay circuit
-
Reference voltage 2
Control
logic
Overcharge
detection
VC2
comparator 3
+
-
CO
Reference voltage 3
Overcharge
detection
VC3
comparator 4
+
-
Reference voltage 4
VSS
CTL
Remark The diodes in the figure are parasitic diodes.
Figure 3
4