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S-8243BAFFT-TB-G

Description
battery management 4.25v 3/4cell serial
Categorysemiconductor    Other integrated circuit (IC)   
File Size594KB,36 Pages
ManufacturerAll Sensors
Environmental Compliance
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S-8243BAFFT-TB-G Overview

battery management 4.25v 3/4cell serial

S-8243BAFFT-TB-G Parametric

Parameter NameAttribute value
ManufactureSeiko Instruments
Product CategoryBattery Manageme
RoHSYes
Battery TypeLi-Ion, Li-Poly
Output Voltage3.379 V
Operating Supply Voltage6 V to 18 V
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature- 40 C
Package / CaseTSSOP-16
PackagingReel
Mounting StyleSMD/SMT
Factory Pack Quantity2000
S-8243A/B Series
www.sii-ic.com
© Seiko Instruments Inc., 2002-2010
BATTERY PROTECTION IC
FOR 3-SERIAL OR 4-SERIAL CELL PACK
Rev.3.0
_00
The S-8243A/B Series is a protection IC for lithium-ion rechargeable battery. The S-8243A Series protects 3-series, the S-8243B
Series protects 4-series cell pack from the overcharge, overdischarge, overcurrent voltages. This IC has a high-accuracy battery
protection circuit and a battery monitor amplifier, and also a voltage regulator which operates the microcomputer or gas gauge IC.
Combining this IC and a microcomputer or a gas gauge IC allows to display the amount of charge remained in a battery.
Features
(1)
High-accuracy voltage detection for each cell
Overcharge detection voltage n (n = 1 to 4)
3.9 V to 4.4 V (50 mV step)
Accuracy
±25
mV
Hysteresis voltage n (n = 1 to 4) of overcharge detection
−0.10
V to
−0.40
V (50 mV step) or 0 V
Accuracy
±50
mV
(Overcharge release voltage n (= Overcharge detection voltage n
+
Hysteresis voltage n) can be selected within
the range 3.8 V to 4.4 V.)
Overdischarge detection voltage n (n = 1 to 4)
2.0 V to 3.0 V (100 mV step)
Accuracy
±80
mV
Hysteresis voltage n (n = 1 to 4) of overdischarge detection
0.15 V to 0.70 V or 0 V (50 mV step)
Accuracy
±100
mV
(Overdischarge release voltage n (= Overdischarge detection voltage n
+
Hysteresis voltage n) can be selected
within the range 2.0 V to 3.4 V.)
(2) Three-level overcurrent protection including protection for short-circuiting
Overcurrent detection voltage 1
0.05 V to 0.3 V (50 mV step)
Accuracy
±25
mV
Overcurrent detection voltage 2
0.5 V
Accuracy
±100
mV
Overcurrent detection voltage 3
V
DD
/ 2
Accuracy
±15
%
(3) Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set by external
capacitors. (Delay times for overcurrent detection 2 and 3 are fixed internally.)
(4) Charge/discharge operation can be controlled through the control pins.
(5) High-accuracy battery monitor amp
GAMP = V
BATTERY
×
0.2
±1.0%
(6) Voltage regulator
V
OUT
= 3.3 V
±2.4
% (3 mA max.)
(7) High input-voltage device
Absolute maximum rating: 26 V
(8) Wide operating voltage range
6 V to 18 V
(9) Wide operating temperature range:
−40°C
to
+85°C
(10) Low current consumption
Operation mode
120
μA
max.
Power down mode
0.1
μA
max.
*1
(11) Lead-free, Sn 100%, halogen-free
*1.
Refer to “
Product Name Structure”
for details.
Applications
Lithium-ion rechargeable battery packs
Lithium polymer rechargeable battery packs
Package
16-Pin TSSOP
Seiko Instruments Inc.
1

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Description battery management 4.25v 3/4cell serial voltage regulators - switching regulators 4.35v 4-cell serial voltage regulators - switching regulators 4.35v 4-cell serial battery management 4.35v 3/4cell serial battery management 4.35v 3/4cell serial
Manufacture Seiko Instruments Seiko Instruments Seiko Instruments Seiko Instruments Seiko Instruments
Product Category Battery Manageme Voltage Regulators - Switching Regulators Voltage Regulators - Switching Regulators Battery Manageme Battery Manageme
RoHS Yes Yes Yes Yes Yes
Output Voltage 3.379 V 3.379 V 3.379 V 3.379 V 3.379 V
Package / Case TSSOP-16 TSSOP-16 TSSOP-16 TSSOP-16 TSSOP-16
Packaging Reel Reel Reel Reel Reel
Mounting Style SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
Factory Pack Quantity 2000 2000 2000 2000 2000
Battery Type Li-Ion, Li-Poly - - Li-Ion, Li-Poly Li-Ion, Li-Poly
Operating Supply Voltage 6 V to 18 V - - 6 V to 18 V 6 V to 18 V
Maximum Operating Temperature + 85 C - - + 85 C + 85 C
Minimum Operating Temperature - 40 C - - - 40 C - 40 C
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