S-8241 Seiko Instruments, S-8241 Datasheet - Page 2

• Manufacturer Part Number: S-8241
• Description: Battery Protection IC for 1-Cell Pack
• Manufacturer: Seiko Instruments

2
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8241 Series
1. Product Name
Block Diagram
Product Code Structure
VDD
S-8241A xx xx - xxx xx
*1 Refer to the taping specifications at the end of this book.
*2 Refer to the product name list.
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
Figure 1 Block Diagram
Counter circuit
Seiko Instruments Inc.
IC direction in tape specifications
Product name (abbreviation)
Package name (abbreviation)
Serial code
T2 : SOT-23-5
TF : 5-Pin SON(A)
MC : SOT-23-5
PN : 5-Pin SON(A)
Assigned from BA to ZZ in alphabetical order
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
*2
+
−
+
−
*1
R
R
R
COL
VMS
VMD
Rev.4.1
CO
VM
DO
_01