Seiko LTP1245R-C384-E Manuel d'utilisateur

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S-8243A/B Series
www.sii-ic.com
BATTERY PROTECTION IC
FOR 3-SERIAL OR 4-SERIAL CELL PACK
© Seiko Instruments Inc., 2002-2010 Rev.3.0_00
Seiko Instruments Inc.
1
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.
(11) Lead-free, Sn 100%, halogen-free
*1
*1. Refer to “ Product Name Structure” for details.
Applications
Lithium-ion rechargeable battery packs
Lithium polymer rechargeable battery packs
Package
16-Pin TSSOP
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Résumé du contenu

Page 1 - S-8243A/B Series

S-8243A/B Serieswww.sii-ic.com BATTERY PROTECTION ICFOR 3-SERIAL OR 4-SERIAL CELL PACK© Seiko Instruments Inc., 2002-2010 Rev.3.0_00 Seiko Instr

Page 2 -  Block Diagrams

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 10 Table 7 (2 / 2) Item Symbol Remarks

Page 3

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 11 Test Circuits In this chapter test m

Page 4 -  Product Name Structure

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 12 4. Overcharge detection voltages, ove

Page 5 -  Pin Configuration

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 13 5. CTL1 pin current, overcharge detecti

Page 6 -  Absolute Maximum Ratings

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 14 8. Internal resistance (Test circuit

Page 7

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 15 C2=0.1 μFV4 V3 V2 V1 A C1=1 μF C3=0.

Page 8

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 16  Operation 1. Battery protection c

Page 9

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 17 1. 6 0 V battery charging function Re

Page 10 - Rev.3.0_00

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 18 4. CTL pins The S-8243 has four cont

Page 11 -  Test Circuits

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 19 Timing Charts 1. Overcharge detecti

Page 12

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 2  Block Diagrams 1. S-8243A Series

Page 13

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 20 2. Overcurrent detection VCU VDU VDL

Page 14

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 21 3. CTL1, CTL2 pin voltage COP

Page 15

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 22 4. CTL3, TL4 pin voltage V

Page 16 -  Operation

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 23 Battery Protection IC Connection Exam

Page 17

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 24 2. S-8243B Series RVSS CTL1 Chargin

Page 18

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 25 Precautions • Pay attention to the o

Page 19 -  Timing Charts

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 26  The Example of Application Circuit

Page 20

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 27 Characteristics (Typical Data) 1. C

Page 21 - Figure 8

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 28 −0.60 −0.55 −0.50 −0.45 −0.40 10 12

Page 22 - Figure 9

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 29 3. COP / DOP pin current 0.00 0.02 0.

Page 23 - Seiko Instruments Inc

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 3 2. S-8243B Series Battery protectionV

Page 24

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 30 5. Battery monitor amp 150 155 160

Page 25 -  Precautions

0.17±0.05918165.1±0.20.22±0.080.65No.TITLESCALEUNIT mmSeiko Instruments Inc.No. FT016-A-P-SD-1.1FT016-A-P-SD-1.1TSSOP16-A-PKG Dimensions

Page 26

4.0±0.12.0±0.1ø1.5+0.1 -0ø1.6±0.18.0±0.14.2±0.26.5+0.4 -0.20.3±0.051.5±0.1(7.2)No.TITLESCALEUNIT mm81916Seiko Instruments Inc.No. FT016-A-C-SD-1.1FT01

Page 27

No.TITLESCALEUNIT mm17.4±1.0Seiko Instruments Inc.No. FT016-A-R-SD-2.0FT016-A-R-SD-2.0TSSOP16-A- ReelQTY.2,000Enlarged drawing in the central part2±0

Page 28

No.TITLESCALEUNIT mm17.4±1.0Seiko Instruments Inc.No. FT016-A-R-S1-1.0FT016-A-R-S1-1.0TSSOP16-A- ReelQTY.4,000Enlarged drawing in the central part2±0

Page 29

www.sii-ic.com • The information described herein is subject to change without notice. • Seiko Instrumen

Page 30

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Seiko Instruments: S-8243B

Page 31 - TSSOP16-A-PKG Dimensions

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 4  Product Name Structure 1. Product

Page 32 - TSSOP16-A-Carrier Tape

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 5 Pin Configuration 16-Pin TSSOP Top

Page 33 - TSSOP16-A- Reel

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 6  Absolute Maximum Ratings Table 5 (T

Page 34 - FT016-A-R-S1-1.0

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 7 Electrical Characteristics 1. S-824

Page 35

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.3.0_00 Seiko Instruments Inc. 8 Table 6 (2 / 2) Item Symbol Remarks M

Page 36 - Mouser Electronics

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACKRev.3.0_00 S-8243A/B Series Seiko Instruments Inc. 9 2. S-8243B Series Table 7 (1 / 2) (Ta

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