S-8233A Seiko Instruments, S-8233A Datasheet
S-8233A
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S-8233A Summary of contents
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... Lithium-ion rechargeable battery packs Packages Package Name 14-Pin SOP 16-Pin TSSOP The S-8233A Series is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits suitable for a 3-serial-cell lithium-ion battery pack. 50 µA max. (+25 °C) 0.1 µA max. (+25 °C) ...
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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 + − ...
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... 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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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 2. Product name list ・14-Pin SOP 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± ...
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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 * ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Absolute Maximum Ratings Parameter Input voltage between VCC and VSS Input pin voltage VMP Input terminal voltage CD1 output terminal voltage CD2 output terminal voltage CD3 output terminal voltage DOP output terminal voltage COP output terminal voltage ...
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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 ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Item Symbol Output voltage DOP"H" voltage V DO(H) DOP"L" voltage V DO(L) COP"L" voltage V CO(L) COP OFF LEAK current I COL CD1"H" voltage V CD1(H) CD1"L" voltage V CD1(L) CD 2"H" voltage V CD2(H) CD 2"L" voltage V CD2(L) CD3" ...
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... DU2 ). Decrease V3 gradually. The V3 voltage when CU3 ). Further decrease V3. The V3 voltage when DOP = 'H' CD3 ). Increase V3 gradually. The V3 voltage when DOP = 'L' is over DD3 ). DU3 ). IOV3 ). CELL3 ). PDN ). VCM ). VSM Seiko Instruments Inc. S-8233A Series ). IOV1 ), I2, the cell 2 current consumption OPE , ...
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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 µ ...
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... OFF LEAK current (I ). COL (15) Measurement 15 Measurement circuit 10 Set V1, V2, and and and decrease V8 gradually. The V8 voltage when COP = ' 0 higher) is the 0V charge start voltage (V SS BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK ). 0CHAR Seiko Instruments Inc. S-8233A Series 11 ...
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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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... 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. S-8233A Series 1 MΩ DOP COP VCC CD1 VC1 S2 CD2 V2 S-8233A VC2 ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Operation Remark Refer to “Battery Protection IC Connection Example”. Normal condition This IC monitors the voltages of the three serially-connected batteries and the discharge current to control charging and discharging. If the voltages of all the three batteries are in the range from the over ...
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... result of input voltage fluctuations higher is applied to between VMP and VSS by connecting 0CHAR potential. SS Seiko Instruments Inc. S-8233A Series ) during discharging longer, the DD ). This condition is called PDN resistor under the over VSM ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Voltage temperature factor 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. ...
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... CHA Figure 6 V1 battery V2 battery Delay Delay Over charge mode, Over discharge mode, Figure 7 Seiko Instruments Inc. S-8233A Series V3 battery Hi-z Delay Delay Delay V3 battery Hi-z Delay Delay Over current mode indicates the open voltage of the charger. ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 3. Over current detection Battery CD V voltage DOP terminal V SS COP terminal VMP V IOV1 terminal V IOV2 V IOV3 Charger connected Load connected Delay t *1 Mode *1. Normal mode, Remark The charger is assumed to charge with a constant current. V ...
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... VC2 FET3 CD3 VSS Figure over discharge detection delay time (t CU1 CU3 ) are changed with external capacitors (C4 to C6). See IOV1 Seiko Instruments Inc. S-8233A Series EB MΩ 10 KΩ VMP 1 KΩ R7 CTL GND: Normal operation Floating: Inhibit charging and discharging ...
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... S-8233A Series Caution 1. The above constants may be changed without notice any electrostatic discharge of 2000 V or higher is not applied to the S-8233A series with a human body model, R1, R2, R3, C1, C2, and C3 are unnecessary has not been confirmed whether the operation is normal or not in circuits other than the above example of connection ...
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... Overdischarge release voltage vs. temperature V =2.35[V] DD 2.95 2.85 2. 100 -40 Overcurrent2 detection voltage vs. temperature V =0.3 [V] IOV1 0.65 0.60 0. 100 -40 Seiko Instruments Inc. S-8233A Series V =4.10[ Ta(°C) V =2.85[ Ta(°C) V =0.6 [V] IOV2 - Ta(°C) 100 100 100 ...
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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 ...
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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(° ...
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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 ...