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S-8242B - BATTERY PROTECTION IC

Datasheet Summary

Description

Figure 2 Connection of charge control FET gate (CMOS output) Connection of discharge control FET gate 2 DO (CMOS output) NC 1 3 No connection Connection for negative power supply input 4 VSS and negative voltage of battery 2 Connection for negative voltage of battery 1 5 VC and positive voltag

Features

  • s High-accuracy voltage detection for each cell.
  • Overcharge detection voltage n (n = 1, 2) 3.9 V to 4.5 V (50 mV steps) Accuracy ±25 mV.
  • Overcharge release voltage n (n = 1, 2) 3.8 V to 4.5 V.
  • 1 Accuracy ±50 mV.
  • Overdischarge detection voltage n (n = 1, 2) 2.0 V to 3.0 V (100 mV steps) Accuracy ±50 mV.
  • 2 Accuracy ±100 mV.
  • Overdischarge release voltage n (n = 1, 2) 2.0 V to 3.4 V.
  • 1. Overcharge release voltage = Overcharge detection voltage.

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Datasheet Details

Part number S-8242B
Manufacturer Seiko Instruments
File Size 448.69 KB
Description BATTERY PROTECTION IC
Datasheet download datasheet S-8242B Datasheet
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Full PDF Text Transcription

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Rev.1.4_00 www.DataSheet4U.com BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8242B Series The S-8242B Series are protection ICs for 2-serial-cell lithium-ion/lithium polymer rechargeable batteries and include high-accuracy voltage detectors and delay circuits. These ICs are suitable for protecting 2-cell rechargeable lithium-ion / lithium polymer battery packs from overcharge, overdischarge, and overcurrent. „ Features High-accuracy voltage detection for each cell • Overcharge detection voltage n (n = 1, 2) 3.9 V to 4.5 V (50 mV steps) Accuracy ±25 mV • Overcharge release voltage n (n = 1, 2) 3.8 V to 4.5 V*1 Accuracy ±50 mV • Overdischarge detection voltage n (n = 1, 2) 2.0 V to 3.0 V (100 mV steps) Accuracy ±50 mV *2 Accuracy ±100 mV • Overdischarge release voltage n (n = 1, 2) 2.
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