S8233A Seiko, S8233A Datasheet
S8233A
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S8233A Summary of contents
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... 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) Package FE014-A FT016-A Seiko Instruments Inc. S-8233A Series 4.10 ± 0. 4.35 ± 0. mV- step 3.85 ± 0. 4.35 ± 0. mV- step 2.00 ± 0. 2.70± 0.08 V 100 mV- step 2.00 ± ...
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... Over charge + − Battery 3 Over charge + − Battery 3 Over discharge Reference voltage 3 Battery 3 Over charge Figure 1 Seiko Instruments Inc. Rev.3.2 Over current Over current detection 2,3 delay circuit circuit Over current1, delay circuit Over discharge delay circuit Over charge delay circuit Floating ...
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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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... V 4.10±0.10 V 2.30±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.40±0.08 V 4.05±0.10 V 2.70±0.08 V 4.05±0.10 V 2.00±0.08 V Seiko Instruments Inc. Overdischarge Overcurrent release voltage detection voltage1 IOV1 2.30±0.10 V 0.20±0.02 V 2.30±0.10 V 0.20±0.02 V 2.70±0.10 V 0.15±0.015 V 2.70±0.10 V 0.50±0.05 V 2.70±0.10 V 0.40±.0.04 V 3.00± ...
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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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... CD1 CD1 V CD2 CD2 V CD3 CD3 V DOP DOP V COP COP P － D － T － opr T － stg Seiko Instruments Inc. Rev.3.2 ( °C unless otherwise specified) Absolute Maximum Ratings Unit −0 + −0 +0 −0 + −0 +0 − ...
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... I V1=V2=V3=3.5 V 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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... OUT I =0.1 µA V -0.5 OUT CC − I =10 µA OUT =0.1 µ -0.5 OUT CC − =10 µA I OUT *5 − − Seiko Instruments Inc. ( °C unless otherwise specified) Measure- Max. Unit ment condition − − − − − 100 ...
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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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... Set inhibit over discharge detection. Set V1, V2 4.0 V and increase V4 from 6.0 V immediately (within 1 µs) and decrease V1, V2, and time. The time after V4 becomes 6.0 V until DOP goes 'H' is the over current detection delay time C0( Seiko Instruments Inc. ). D0(L) +0.1 V under over current condition. IOV2 ). IOV3 Rev.3.2 _10 ) ...
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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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... MΩ COP VMP CTL CCT CDT COVT S1 COP VMP CTL CCT CDT COVT V4 COP VMP CTL CCT CDT COVT Figure 4 (1/2) Seiko Instruments Inc. Rev.3 MΩ DOP COP VCC VMP V1 CD1 CTL VC1 CCT V2 S-8233A CD2 CDT VC2 V3 CD3 COVT VSS ...
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... 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. S-8233A Series 1 MΩ DOP COP VCC CD1 VC1 S2 CD2 V2 S-8233A S5 I3 ...
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... VCM ), the charging FET turns on and the normal condition returns but the charger is removed, a load is placed, and discharging CD Seiko Instruments Inc. ), and the current flowing CU resistor. VCM ,V and V ...
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... VCM potential, charging and discharging are enabled and 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 ...
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... 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 CU [V] V CU25 −20 16 +0.1 mV/° the over charge detection voltage at 25°C CU25 −0.1 mV/° [°C] 70 Figure 5 Seiko Instruments Inc. Rev.3.2 _10 ...
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... Over discharge mode, Over current mode indicates the open voltage of the charger. 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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... 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. CHA Figure 8 Seiko Instruments Inc. Rev.3.2 Hi-z Hi-z Delay t IOV3 Inhibit charging and discharging CTL terminal CTL terminal ...
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... S-8233A series 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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... IC of patents owned by a third party becomes equal to or higher than the over discharge the over discharge and over charge conditions are entered and the charging Seiko Instruments Inc. ) before the battery voltage which falls to the over charge release voltage CU Rev.3.2 ...
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... CU 4.20 4.10 4. 100 -40 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 ...
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... Overdischarge detection time vs. temperature C=0.47[uF] V =11.5 [ 100 -40 Overcurrent2 detection time vs. temperature C=0.1[uF] V =10 100 Seiko Instruments Inc. V =4.5 [ Ta(°C) C=0.1[uF - Ta(°C) V =10.5 [ Ta(°C) Rev.3.2 ...
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... 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. S-8233A Series 23 ...
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... Seiko Instruments Inc. Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. The user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue ...