Rev.3.2
_10
BATTERY PROTECTION IC
FOR 3-SERIAL-CELL PACK
S-8233A Series
The S-8233A Series is a series of lithium-ion rechargeable battery
protection ICs incorporating high-accuracy voltage detection circuits and
delay circuits. It is suitable for a 3-serial-cell lithium-ion battery pack.
Features
(1)
Internal high-accuracy voltage detection circuit
Over charge detection voltage
4.10
±
0.05 V to 4.35
±
0.05 V
50 mV- step
Over charge release voltage
3.85
±
0.10 V to 4.35
±
0.10 V
50 mV- step
(The over charge release voltage can be selected within the range where a difference from over
charge detection voltage is 0 V to 0.3 V)
Over discharge detection voltage
2.00
±
0.08 V to 2.70± 0.08 V
100 mV- step
Over discharge release voltage
2.00
±
0.10 V to 3.70± 0.10 V
100 mV - step
(The over discharge release voltage can be selected within the range where a difference from over
discharge detection voltage is 0 V to 1.0 V)
Over current detection voltage 1
0.15
±0.015
V to 0.5
±0.05
V
50 mV-step
(2)
(3)
(4)
(5)
(6)
(7)
(8)
High input-voltage device (absolute maximum rating: 26 V)
Wide operating voltage range:
2 V to 24 V
The delay time for every detection can be set via an external capacitor.
Three over current detection levels (protection for short-circuiting)
Internal charge/discharge prohibition circuit via the control terminal
The function for charging batteries from 0 V is available.
Low current consumption
Operation
50
µA
max. (+25
°C)
Power-down
0.1
µA
max. (+25
°C)
Applications
Lithium-ion rechargeable battery packs
Packages
Package Name
14-Pin SOP
16-Pin TSSOP
Package
FE014-A
FT016-A
Drawing Code
Tape
FE014-A
FT016-A
Reel
FE014-A
FT016-A
Seiko Instruments Inc.
1
SII [ SEIKO INSTRUMENTS INC ]
