UB264A Datasheet (UTC) - LION BATTERY PROTECTION IC

UB264A, LION BATTERY PROTECTION IC

The UTC UB264A 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 UB264A Series also includes a high accuracy delay circuit for over voltage detection time without external capacitors.

UB264A 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±0.06V, None

* Delay times for ove