S-8233AGFE-TB Seiko Instruments, S-8233AGFE-TB Datasheet

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S-8233AGFE-TB

Manufacturer Part Number
S-8233AGFE-TB
Description
Battery Management 4.25V 3-Cell Serial
Manufacturer
Seiko Instruments
Datasheet

Specifications of S-8233AGFE-TB

Product
Charge Management
Battery Type
Li-Ion Pack
Output Voltage
24 V
Operating Supply Voltage
2 V to 24 V
Supply Current
50 uA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
- 20 C
Package / Case
SOP-14
Mounting Style
SMD/SMT
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S-8233AGFE-TB-G
Manufacturer:
SEK
Quantity:
20 000
Rev.3.2
BATTERY PROTECTION IC
FOR 3-SERIAL-CELL PACK
Features
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Applications
Lithium-ion rechargeable battery packs
Packages
14-Pin SOP
16-Pin TSSOP
Package Name
Internal high-accuracy voltage detection circuit
High input-voltage device (absolute maximum rating: 26 V)
Wide operating voltage range:
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
_10
Over charge detection voltage
Over charge release voltage
(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
Over discharge release voltage
(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
Operation
Power-down
50 µA max. (+25 °C)
0.1 µA max. (+25 °C)
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.
Package
FE014-A
FT016-A
Seiko Instruments Inc.
Drawing Code
FE014-A
FT016-A
Tape
4.10 ± 0.05 V to 4.35 ± 0.05 V
50 mV- step
3.85 ± 0.10 V to 4.35 ± 0.10 V
50 mV- step
2.00 ± 0.08 V to 2.70± 0.08 V
100 mV- step
2.00 ± 0.10 V to 3.70± 0.10 V
100 mV - step
0.15 ±0.015 V to 0.5 ±0.05 V
50 mV-step
2 V to 24 V
S-8233A Series
FE014-A
FT016-A
Reel
1

Related parts for S-8233AGFE-TB

S-8233AGFE-TB Summary of contents

Page 1

... V to 0.3 V) Over discharge detection voltage Over discharge release voltage (The over discharge release voltage can be selected within the range where a difference from over discharge detection voltage 1.0 V) Over current detection voltage 1 (2) ...

Page 2

... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Block Diagram VCC CD1 VC1 CD2 VC2 CD3 VSS Remark The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. 2 Reference voltage 1 + − Battery 1 Over charge + − ...

Page 3

... Rev.3.2 _10 Product Name Structure 1. Product name S−8233A x *1. Refer to the taping specifications. BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK xx − direction in tape specifications Package name (abbreviation) Serial code Assigned from alphabetical order Seiko Instruments Inc. S-8233A Series *1 FE: 14-Pin SOP FT: 16-Pin TSSOP 3 ...

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... Overcharge Product name / detection voltage Parameter V CU S-8233ACFE-TB 4.25±0.05 V S-8233ADFE-TB 4.10±0.05 V S-8233AEFE-TB 4.25±0.05 V S-8233AFFE-TB 4.35±0.05 V S-8233AGFE-TB 4.25±0.05 V S-8233AIFE-TB 4.25±0.05 V S-8233AJFE-TB 4.35±0.05 V S-8233AKFE-TB 4.35±0.05 V S-8233ALFE-TB 4.35±0.05 V S-8233AMFE-TB 4.35±0.05 V S-8233ANFE-TB 4.35±0.05 V S-8233AOFE-TB 4.35± ...

Page 5

... Connects battery 1 negative voltage and battery 2 positive voltage CD1 14 Battery 1 conditioning signal output connection Positive power input and connects battery 1 positive voltage 16 VCC *1. The NC pin is electrically open. The NC pin can be connected to VCC or VSS. Seiko Instruments Inc. S-8233A Series Table 3 Pin description Table 4 Pin description *1 *1 ...

Page 6

... DOP output terminal voltage COP output terminal voltage Power dissipation Operating temperature range Storage temperature range Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. 6 Table 5 Symbol ...

Page 7

... CELL2 I V1=V2=V3=3.5 V CELL3 I V1=V2=V3=1.5 V PDN R V1=V2=V3=3.5 V VCM *5 V1=V2=V3=3 V1=V2=V3=1.5 V VSM *5 V1=V2=V3=1.5 V − V CTL(H) − V CTL(L) Seiko Instruments Inc. S-8233A Series ( °C unless otherwise specified) Measure- Min. Typ. Max. Unit ment condition V −0. +0.05 V CU1 CU1 CU1 −0. +0.10 V CD1 CD1 CD1 V − ...

Page 8

... V CD3( battery charging function 0 V charging start voltage V 0CHAR *1. If over current detection voltage 1 is 0.50 V, both over current detection voltages 1 and 2 are 0.54 to 0.55 V, but V > IOV2 IOV1 *2. Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over discharge detection voltage, and over discharge release voltage ...

Page 9

... IOV2 Set V1, V2, and V3 to 3.5 V and under normal condition. Fix the COVT terminal at V increase V4 gradually from 400 µ ms. The V4 voltage when DOP = 'H' and COP = 'H' is over current detection voltage 3 (V (5) Measurement 5 Measurement circuit 3 Set S1 to ON, V1, V2, and V3 to 3.5 V, and under normal condition and measure current consumption ...

Page 10

... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series (7) Measurement 7 Measurement circuit 4 Set OFF, V1, V2, and V3 to 3.5 V, and under normal condition. Increase V5 from 0 V gradually. The V5 voltage when µA is DOP'L' voltage (V Set S1 to OFF ON, V1, V2 3.5 V, and Increase V6 from 0 V gradually. The V6 voltage when µA is the DOP'H' voltage (V (8) Measurement 8 Measurement circuit 5 Set V1, V2 ...

Page 11

... Increase V7 from 0 V gradually. The V7 voltage when µA is the CD3'L' voltage (V ). CD3(L) Set S1 to ON, S2, S3, S4, S5, and S6 to OFF 4 and V3 to 3.5 V and V5, V6, and under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the CD1'H' voltage (V ). ...

Page 12

... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series DOP VCC V1 CD1 VC1 V2 S-8233A CD2 VC2 V3 CD3 VSS Measurement circuit DOP I1 VCC V1 CD1 I2 VC1 V2 S-8233A CD2 I3 VC2 V3 CD3 VSS Measurement circuit DOP VCC V1 CD1 VC1 V2 S-8233A CD2 VC2 V3 CD3 VSS Measurement circuit MΩ ...

Page 13

... C2=0.1 µF C3=0.1 µF V3 CD3 VSS Measurement circuit 7 DOP VCC V1 CD1 VC1 V2 S-8233A CD2 VC2 V3 CD3 VSS Measurement circuit 9 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK VMP CTL CCT C1 S1 CDT C2 COVT C3 I1 COP VMP CTL CCT CDT COVT Figure 4 (2/2) Seiko Instruments Inc. ...

Page 14

... The over current condition returns to the normal condition when the load is released and the impedance between the EB- and EB+ terminals (see Figure 9 for a connection example) is 100 MΩ or higher. When the load is released, the VMP terminal, which and the VCC terminal are shorted with the R goes back to the V potential ...

Page 15

... The power-down condition is canceled when the charger is connected and the voltage between VMP and VSS is 3 higher (over current detection voltage 3). When all the battery voltages becomes equal to or higher than the over discharge release voltage (V changes to the normal condition. ...

Page 16

... Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over discharge detection voltage, and over discharge release voltage. Voltage temperature factor 2 indicates over current detection voltage. The Voltage temperature factors 1 and 2 are expressed by the oblique line parts in Figure 5. Ex. Voltage temperature factor of over charge detection voltage V ...

Page 17

... V SS Charger connected Load connected Delay *1 Mode *1. Normal mode, Remark The charger is assumed to charge with a constant current. V BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK V1 battery V2 battery Hi-z Hi-z Delay Over discharge mode, Over current mode indicates the open voltage of the charger. CHA Figure 6 ...

Page 18

... V IOV3 Charger connected Load connected Delay t *1 Mode *1. Normal mode, Remark The charger is assumed to charge with a constant current V1, V2, and V3 batteries Hi-z Hi-z Delay t IOV1 IOV2 Over charge mode, Over discharge mode, Over current mode indicates the open voltage of the charger. ...

Page 19

... pull-up resistor that turns FET-B off when the COP terminal is opened. Connect a 100 kΩ MΩ resistor used to protect the IC if the charger is connected in reverse. Connect a 10 kΩ kΩ resistor. If capacitor C6 is absent, rush current occurs when a capacitive load is connected and the IC enters the over current mode ...

Page 20

... VCC voltage (if a charger is connected), the normal condition is entered. If the CTL terminal floats in power-down mode not pulled up in the IC, charging and discharging may not be inhibited. However, the over discharge condition becomes effective. If the charger is connected, the CTL terminal is pulled up, and charging and discharging are inhibited immediately ...

Page 21

... Ta(°C) Overdischarge detection voltage vs. temperature 2.45 2.35 2.25 -40 - Ta(°C) Overcurrent1 detection voltage vs. temperature 0.35 0.30 0.25 -40 - Ta(°C) BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK Overcharge release voltage vs. temperature V =4.25[V] CU 4.20 4.10 4. 100 -40 Overdischarge release voltage vs. temperature V =2.35[V] DD 2.95 2.85 2.75 ...

Page 22

... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 2. Current consumption temperature characteristics Current consumption vs. temperature in normal mode -40 - Ta(°C) 3. Delay time temperature characteristics Overcharge detection time vs. temperature 1.5 1.0 0.5 -40 - Ta(°C) Overcurrent1 detection time vs. temperature -40 - Ta(°C) 22 Current consumption vs. temperature in power-down mode V =10 ...

Page 23

... Ta(°C) 4. Delay time vs. power supply voltage Over current 3 (load short) detection time vs. power supply voltage 1.0 0 Caution Please design all applications of the S-8233A Series with safety in mind. BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK V =6.0 [ 100 Ta =25(° (V) CC Seiko Instruments Inc. ...

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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc ...

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