S-8244 SII [Seiko Instruments Inc], S-8244 Datasheet - Page 2

• Manufacturer Part Number: S-8244
• Description: BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
• Manufacturer: SII [Seiko Instruments Inc]

2
BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8244 Series
Block Diagram
VCC
SENSE
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.3.3
ICT
CO
_00