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AOZ52183QI Datasheet Smart Power Stage

Manufacturer: Alpha & Omega Semiconductors

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General Description

The AOZ52183QI is a general-purpose Smart Power Stage (SPS) consisting of two asymmetrical MOSFETs and an integrated driver for high current, high frequency DC-DC converters.

The AOZ52183QI provides an output current signal (IMON), which reports the real-time module current with a gain of 5 mV/A.

The IMON signal can be directly used to replace inductor DCR sensing or resistor sensing in multiphase voltage regulator systems without the need for temperature compensation.

Overview

AOZ52183QI High-Current, High-Performance Smart Power Stage for Notebook CPU Power.

Key Features

  • 3 V to 25 V power supply range.
  • 45 A continuous output current - Up to 65 A for 20 ms instantaneous current @ 14 V VIN - Up to 60 A for 20 ms instantaneous current @ 22 V VIN - Up to 80 A for 10 us instantaneous current.
  • Optimized for switching frequency up to 1.5 MHz.
  • Integrated current monitor (5 mV/A) with typical 3% accuracy over temperature.
  • Integrated temperature monitor (8 mV/ oC) with 2% accuracy.
  • Fault Indicator.
  • Under-Volt.

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