s-8232nxft-t2-g Seiko Instruments Inc., s-8232nxft-t2-g Datasheet - Page 2
s-8232nxft-t2-g
Manufacturer Part Number
s-8232nxft-t2-g
Description
Battery Protection Ic For 2-serial-cell Pack S-8232 Series
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8232NXFT-T2-G.pdf
(27 pages)
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2
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8232 Series
Remark Resistor (RCOL) is connected to the Nch transistor although CO pin serves as a CMOS output.
Block Diagram
SENS
VCC
VSS
VC
For this, impedance becomes high when outputting “L” from CO pin. Refer to the “
Characteristics” for the impedance value.
Reference
voltage 1
Reference
voltage 2
−
+
−
+
−
+
+
−
+
−
+
−
Seiko Instruments Inc.
Over-
discharge
detector 2
Auxiliary
overcharge
detector 2
Overcharge
detector 1
Overcharge
detector 2
Auxiliary
overcharge
detector 1
Over-
discharge
detector 1
Figure 1
Delay circuit control signal
Control
logic
control signal
Delay circuit
DO, CO control signal
Delay circuit
Delay circuit
control signal
Over current
detection circuit
Delay circuit
control signal
Rev.5.7
RCOL
Electrical
CO
VM
ICT
DO
_00
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