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S8254 - BATTERY PROTECTION IC

Datasheet Summary

Features

  • (1) High-accuracy voltage detection for each cell.
  • Overcharge detection voltage n (n = 1 to 4) 3.9 V to 4.4 V (50 mV steps) Accuracy ±25 mV.
  • 1 Accuracy ±50 mV Overcharge release voltage n (n = 1 to 4) 3.8 V to 4.4 V.
  • 1. Overcharge hysteresis voltage n (n = 1 to 4) can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV steps. (Overcharge hysteresis voltage = Overcharge detection voltage.
  • Overcharge release voltage).
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Datasheet Details

Part number S8254
Manufacturer Seiko Instruments
File Size 922.58 KB
Description BATTERY PROTECTION IC
Datasheet download datasheet S8254 Datasheet
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Full PDF Text Transcription

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Rev.2.3_00 BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL-CELL PACK S-8254 Series The S-8254 series is a protection IC for 3-serial or 4-serial cell lithium ion rechargeable batteries and includes a high-accuracy voltage detector and delay circuit. The S-8254 series protects both 3-serial or 4-serial cells using the SEL pin for switching. Features (1) High-accuracy voltage detection for each cell • • Overcharge detection voltage n (n = 1 to 4) 3.9 V to 4.4 V (50 mV steps) Accuracy ±25 mV *1 Accuracy ±50 mV Overcharge release voltage n (n = 1 to 4) 3.8 V to 4.4 V *1. Overcharge hysteresis voltage n (n = 1 to 4) can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV steps. (Overcharge hysteresis voltage = Overcharge detection voltage − Overcharge release voltage) • • www.
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