S-8233AGFE-TB Seiko Instruments, S-8233AGFE-TB Datasheet
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S-8233AGFE-TB
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S-8233AGFE-TB Summary of contents
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... 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) ...
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... 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 + − ...
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... 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± ...
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... 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 ...
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... 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 ...
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... 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 − ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ). ...
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... 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 ...
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... 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. ...
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... 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 ...
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... 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. ...
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... 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 ...
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... 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 ...
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... 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. ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ...
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... 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 ...