Datasheet4U Logo Datasheet4U.com

UB244A Datasheet Li-ion Battery Protection Ic

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UB244A Preliminary CMOS IC LI-ION BATTERY PROTECTION IC FOR 1-CELL TO 4-CELL PACK (SECONDARY.

General 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.

„

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): 0.38V±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:.

UB244A Distributor