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UB244A - LI-ION BATTERY PROTECTION IC

Datasheet Summary

Description

The UTC UB244A Series is secondary protection IC for 1-, 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit.

Features

  • ES.
  • High-accuracy voltage detection circuit for each cell.
  • Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps).
  • Overcharge hysteresis voltage n (n=1 to 4): 0.38V±0.10V, 0.25V±0.07V, 0.13V±0.04V, 0.045V±0.02V, None.
  • Delay times for overcharge detection can be set by an external capacitor.
  • CMOS output active “H”.
  • Wide operating voltage range 3.6V to 24V.
  • Wide operating temperature range.
  • 40°C to +85°C.
  • Low current consumption:.

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Datasheet preview – UB244A

Datasheet Details

Part number UB244A
Manufacturer UTC
File Size 197.71 KB
Description LI-ION BATTERY PROTECTION IC
Datasheet download datasheet UB244A Datasheet
Additional preview pages of the UB244A datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UB244A Preliminary CMOS IC LI-ION BATTERY PROTECTION IC FOR 1-CELL TO 4-CELL PACK (SECONDARY PROTECTION) „ DESCRIPTION The UTC UB244A Series is secondary protection IC for 1-, 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB244A Series also includes a high accuracy delay circuit for over voltage detection time can be set by an external capacitor. „ FEATURES * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): 0.38V±0.10V, 0.25V±0.07V, 0.13V±0.04V, 0.045V±0.
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