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UB264B - LION BATTERY PROTECTION IC

Datasheet Summary

Description

The UTC UB264B Series is secondary protection IC for 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit.

The UTC UB264B Series also includes a high accuracy delay circuit for over voltage detection time without external capacitors.

Features

  • ES High-accuracy voltage detection circuit for each cell Overcharge detection voltage n (n=1 to 4): 4.30V to 4.80V (in 50mV steps) Overcharge hysteresis voltage n (n=1 to 4): -0.52V±0.21V,.
  • 0.39V±0.16V,.
  • 0.26V±0.11V,.
  • 0.13V±0.06V, None Delay times for overcharge detection can be set by an internal circuit without external capacitors Output latch function after overcharge detection CMOS output active “H” Wide operating voltage range 3.6V to 24V Wide operating temperature r.

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Datasheet Details

Part number UB264B
Manufacturer UTC
File Size 213.44 KB
Description LION BATTERY PROTECTION IC
Datasheet download datasheet UB264B Datasheet
Additional preview pages of the UB264B datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UB264B Preliminary CMOS IC LION BATTERY PROTECTION IC FOR 2-SERIAL, 3-SERIAL, OR 4-SERIAL-CELL PACK (SECONDARY PROTECTION) „ DESCRIPTION The UTC UB264B Series is secondary protection IC for 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB264B Series also includes a high accuracy delay circuit for over voltage detection time without external capacitors. „ * * * * * * * * * FEATURES High-accuracy voltage detection circuit for each cell Overcharge detection voltage n (n=1 to 4): 4.30V to 4.80V (in 50mV steps) Overcharge hysteresis voltage n (n=1 to 4): -0.52V±0.21V, −0.39V±0.16V, −0.26V±0.11V, −0.13V±0.
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