s-8232nbft-t2-g Seiko Instruments Inc., s-8232nbft-t2-g Datasheet
s-8232nbft-t2-g
Related parts for s-8232nbft-t2-g
s-8232nbft-t2-g Summary of contents
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... The S-8232 series is suitable for 2-cell serial lithium-ion / lithium-polymer battery packs. 3.85 V ± 4.60 V ± 3.60 V ± 4.60 V ± 1.70 V ± 100 mV to 3.80 V ± 100 mV Applicable step 0.07 V ± 0.30 V ± Drawing Code Package Tape ...
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... S-8232 Series Block Diagram VCC SENS VC VSS Remark Resistor (RCOL) is connected to the Nch transistor although CO pin serves as a CMOS output. For this, impedance becomes high when outputting “L” from CO pin. Refer to the “ Characteristics ” for the impedance value. 2 Reference voltage 1 ...
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... S-8232AIFT-T2-G 4.25 V ± S-8232AJFT-T2-G 4.20 V ± S-8232AKFT-T2-G 4.30 V ± S-8232ALFT-T2-G S-8232AMFT-T2-G 4.19 V ± S-8232ANFT-T2-G 4.325 V ± 4.325 V ± S-8232AOFT-T2-G 4.30 V ± 4.28 V ± S-8232APFT-T2-G S-8232ARFT-T2-G 4.325 V ± 4.325 V ± 4.295 V ± S-8232ASFT-T2-G S-8232ATFT-T2-G 4.125 V ± 4.125 V ± S-8232AUFT-T2-G 4.30 V ± ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8232 Series Overcharge detection Product name / Item voltage 4.325 V ± 4.325 V ± S-8232NAFT-T2-G 4.35 V ± S-8232NBFT-T2-G S-8232NCFT-T2-G 4.275 V ± S-8232NDFT-T2-G 4.35 V ± 4.35 V ± S-8232NEFT-T2-G 4.325 V ± S-8232NFFT-T2-G S-8232NGFT-T2-G 4.35 V ± 4.28 V ± S-8232NHFT-T2-G 4.25 V ± ...
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... FET gate connection pin for discharge control (CMOS output) FET gate connection pin for charge control (CMOS output) Detection pin for voltage between VSS and VM (Overcurrent detection pin) Input pin for negative power supply Capacitor connection pin for detection delay Input pin for middle voltage ...
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... Board size : 114.3 mm × 76.2 mm × t1.6 mm (2) Name : JEDEC STANDARD51-7 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. Figure 3 Power Dissipation of Package (When Mounted on Board) ...
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... Temperature coefficient 2 for detection voltage should be applied to overcurrent detection voltage. *4. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. *5. The DO and CO pin logic are established at the operating voltage. ...
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... V battery charge starting charger voltage 0 V battery charge inhibition battery voltage 1, 2 *1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production . *2. Auxiliary overcharge detection voltage is equal to the overcharge detection voltage times 1.11 for the products without overcharge hysteresis, and times 1 ...
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... V battery charge starting charger voltage 0 V battery charge inhibition battery voltage 1, 2 *1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production . *2. Auxiliary overcharge detection voltage is equal to the overcharge detection voltage times 1.11 for the products without overcharge hysteresis, and times 1 ...
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... V under overdischarge condition and measure current consumption. Current consumption I1 is the power-down current consumption (I (5) Test Condition 5, Test Circuit 2 Set 1.5 V, and V3 = 2.5 V under overdischarge condition. ( − V3 the internal resistance between VCC and VM (RVCM). Set 3.6 V, and V3 = 1.1 V under overcurrent condition the internal resistance between VSS and VM (RVSM) ...
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... Set OFF 3.6 V and under normal condition. Increase V4 from 0 V gradually. The V4 voltage when µA is the CO “H” voltage (V Set S1 = OFF ON 4. and V5 = 9.4 V under over voltage condition. (V5 the CO pin internal resistance (RCO(L)). (8) Test Condition 8, Test Circuit 5 Set 3.6 V, and under normal condition. Increase V1 from (V 0.2 V) immediately (within 10 µ ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8232 Series SENS VCC V1 S-8232 Series VC V2 VSS Test Circuit 1 SENS VCC S-8232 Series VSS Test Circuit 3 SENS VCC S-8232 Series VSS DO V3 Test Circuit 5 12 ICT S1 VM ICT 0.22 µ ...
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... The overcurrent condition returns to the normal condition when the load is released and the impedance between the EB− and EB+ pins (refer to the Figure 200 MΩ or higher. When the load is released, the VM pin, which is shorted to the VSS pin with the RVSM resistor, goes back to the V IC detects that the VM pin potential returns to overcurrent detection voltage the normal condition ...
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... VCC and VSS. When using this optional function, a resistor of 4.7 MΩ is needed between the gate and the source of the charging control FET (refer to the Figure 8 ). *1. When initially connecting batteries, the IC may fail to enter the normal condition (discharging ready state). If so, once set the VM pin to VSS voltage (short pins VM and VSS or connect a charger). *2. The products indicated with *4 of the 2. Product Name List in the “ ...
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... Charger connection Load connection Delay *1 Mode <1> *1. <1> Normal mode <2> Over charge mode <3> Over discharge mode <4> Over current mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK V2 battery V1 battery V2 over voltage detect V1 over voltage detect Delay <2> <1> <2> ...
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... V IOV1 V SS EB− Charger connection Load connection Delay *1 Mode <1> *1. <1> Normal mode <2> Over charge mode <3> Over discharge mode <4> Over current mode Remark The charger is assumed to charge with a constant current battery V1 battery Delay <3> <1> Figure 6 Seiko Instruments Inc. Rev.5.5 No Delay <3> <2> & <3> <3> _00 ...
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... Charger connection Load connection delay = t *1 Mode *1. <1> Normal mode <2> Over charge mode <3> Over discharge mode <4> Over current mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK battery delay = t IOV1 <1> <4> Figure 7 Seiko Instruments Inc. S-8232 Series < ...
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... IOV1 overcurrent detection voltage 1 (V *4. A 4.7 MΩ resistor is needed for R5 to inhibit 0 V battery charging. Current consumption increases when the R5 resistance is below 4.7 MΩ. R5 should be connected when the product has 0 V battery charging inhibition. Caution 1. The above constants may be changed without notice. ...
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... Since voltage difference between two batteries is large in this situation, the S-8232 Series immediately stops the charging of the other battery to reduce voltage difference. This action improves the safety of a battery pack and dose not do any harm to the pack. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8232 Series • After the overcurrent detection, the load was connected for a long time, even if one of the battery voltage became lower than overdischarge detection voltage (V long as the load is connected. Therefore the IC’s current consumption at the one of the battery voltage is lower than the overdischarge detection voltage is same as normal condition current consumption (I (refer to the Figure 11 ) ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Overcharge detection voltage2 vs. temperature = 4.30 [V] V CU1 100 Overcharge release voltage2 vs. temperature = 4.00 [V] V CD1 100 100 Auxiliary overcharge detection voltage2 vs. temperature = 5.375 [V] V CUaux1 100 Seiko Instruments Inc. S-8232 Series V CU2 4.4 4.3 4.2 -40 - [° ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8232 Series Overdischarge detection voltage1 vs. temperature 2.1 2 1.9 -40 - [°C] Overdischarge release voltage1 vs. temperature 2.7 2.6 2.5 -40 - [°C] Overcurrent1 detection voltage vs. temperature 0.12 0.10 0.08 -40 - [°C] 22 Overdischarge detection voltage2 vs. temperature = 2.00 [V] V DD1 100 Overdischarge release voltage1 vs. temperature = 2 ...
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... Ta [°C] Overcurrent1 detection time vs. temperature -40 - [°C Caution Please design all applications of the S-8232 Series with safety in mind. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Current consumption vs. temperature in power-down mode V = 7.2 [ 100 Overcharge detection1 time vs. temperature C3 = 0.22 [µF] 40 ...
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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 ...