S-8233AKFT-TB-G Seiko Instruments, S-8233AKFT-TB-G Datasheet - Page 2

• Manufacturer Part Number: S-8233AKFT-TB-G
• Description: Battery Management Lithium-Ion battery protection (3 cell)
• Manufacturer: Seiko Instruments

Specifications of S-8233AKFT-TB-G

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233A Series
Block Diagram
Remark
CD1
CD2
CD3
VC2
VCC
VC1
VSS
The delay time for overcurrent detection 2 and 3 is fixed by an internal IC circuit. The delay time
cannot be changed via an external capacitor.
Battery 1
Overcharge
Battery 2
Overcharge
Battery 3
Overcharge
Reference
voltage 2
Reference
voltage 3
Reference
voltage 1
+
−
+
−
+
−
+
−
+
−
+
−
Battery 2
Overdischarge
Battery 1
Overdischarge
Battery 3
Overdischarge
Seiko Instruments Inc.
Battery 2
Overcharge
Battery 3
Overcharge
Battery 1
Overcharge
Figure 1
Control
Logic
Overcurrent 2,3
delay circuit
detection circuit
Overdischarge
Overcurrent1,
Overcurrent
delay circuit
delay circuit
Overcharge
delay circuit
detection
Floating
circuit
Rev.6.0
COP
CTL
COVT
CDT
CCT
DOP
VMP
_00