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AOZ9250DI Datasheet Single-Cell Battery Protection

Manufacturer: Alpha & Omega Semiconductors

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General Description

The AOZ9250DI is a battery protection IC with integrated dual common-drain N-channel MOSFET.

The device includes accurate voltage detectors and delay circuits, and is suitable for protecting single-cell lithium-ion/lithium-polymer rechargeable battery packs from overcharge, over-discharge, and over-current conditions.

The AOZ9250DI is available in a 2mm x 4mm 6-pin DFN package and is rated over a -40°C to +85°C ambient temperature range.

Overview

AOZ9250DI Single-Cell Battery Protection IC with Integrated MOSFET.

Key Features

  • Integrated Common-Drain N-Channel MOSFET 23.8m (typ. ) source to source on resistance.
  • High-accuracy voltage detection circuit.
  • Overcharge detection accuracy: 25mV (25°C), 45mV (-10°C to 60°C).
  • Overcharge release accuracy: 40mV.
  • Over-discharge detection accuracy: 100mV.
  • Over-discharge release accuracy: 100mV.
  • Discharge over-current detection accuracy: 10mV.
  • Charge over-current detection accuracy: 1.

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