s-8241abtmc-gbtt2g Seiko Instruments Inc., s-8241abtmc-gbtt2g Datasheet - Page 2

• Manufacturer Part Number: s-8241abtmc-gbtt2g
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

2
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8241 Series
Block Diagram
VDD
VSS
Remark The diodes in the IC are parasitic diodes.
+
−
The overdischarge
hysterisis is released when
a charger is detected.
Overcharge
detection
comparator
+
−
Overdischarge
detection
comparator
Clock generation circuit
Delay circuit
Counter circuit
Seiko Instruments Inc.
Figure 1
Charger
detection circuit
Overcurrent 2
detection comparator
Overcurrent 1
detection comparator
Level conversion circuit
0V battery charging circuit
0V battery charge
inhibition circuit
Load
short-circuiting
detection circuit
+
−
+
−
R
R
R
COL
VMS
VMD
Rev.7.9
CO
VM
DO
_00