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UB261 Datasheet 1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC

Manufacturer: Unisonic Technologies

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General Description

6 5 4 The UTC UB261 is a series of lithium-ion/lithium-polymer rechargeable battery protection ICs incorporating high accuracy voltage detection circuits and delay circuits.

The UTC UB261 is suitable for protection of single cell lithium-ion / lithium polymer battery packs from overcharge, over discharge and over current.

The ultra-small package and less required external components make it ideal to integrate the UTC UB261 into the limited space of battery pack.

Overview

UNISONIC TECHNOLOGIES CO., LTD UB261 Preliminary CMOS IC 1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION.

Key Features

  • ES Wide Supply Voltage Range: VDD=1.5V~8.0V Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.5V) Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=1.5V) Overcharge Detection Voltage: VCU=3.9V~4.4V Overcharge Release Voltage: VCL=3.8V~4.4V Over Discharge Release Voltage: VDL=2.0V~3.0V Over Discharge Release Voltage: VDU=2.0V~3.4V Over Current 1 Detection Voltage: VIOV1=0.05V~0.30V Over Current 2 Detection Voltage: VIOV2=0.5V (Fixed) Short Circuit Detection Voltage: VSHORT=1.2V (Fixed) Charger Detection.

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