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UB240 - LION BATTERY PROTECTION IC

General Description

The UTC UB240 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.

Key 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): 0.25V±0.07V, 0.30V±0.10V.
  • 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: 1.5μA typ. (+25°C) at 3.5V for ea.

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Other Datasheets by Unisonic Technologies

Part Number Description
UB242 LITHIUM-ION/POLYMER BATTERY PROTECTION IC
UB24205 LITHIUM-ION/POLYMER BATTERY PROTECTION IC
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UB240 Preliminary CMOS IC LION BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)  DESCRIPTION The UTC UB240 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 UB240 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): 0.25V±0.07V, 0.30V±0.