s-8244aafph-ceftfg Seiko Instruments Inc., s-8244aafph-ceftfg Datasheet - Page 2

• Manufacturer Part Number: s-8244aafph-ceftfg
• Description: Battery Protection Ic For 1-serial To 4-serial-cell Pack Secondary Protection
• Manufacturer: Seiko Instruments Inc.

2
BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8244 Series
Block Diagram
SENSE
VCC
VC1
VC2
VC3
VSS
Remark In the case of Nch open-drain output, only the Nch transistor will be connected to the CO pin.
In the case of Pch open-drain output, only the Pch transistor will be connected to the CO pin.
Reference voltage 1
Reference voltage 2
Reference voltage 3
Reference voltage 4
Overcharge detection
comparator 1
Overcharge detection
comparator 2
Overcharge detection
comparator 3
Overcharge detection
comparator 4
+
-
+
-
+
-
+
-
Seiko Instruments Inc.
Figure 1
Control
logic
Overcharge
detection
delay circuit
Rev.3.5
CO
ICT
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