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AOZ52178QI Datasheet High-Performance Smart Power Stage

Manufacturer: Alpha & Omega Semiconductors

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General Description

The AOZ52178QI 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 AOZ52178QI 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

AOZ52178QI High-Current, High-Performance Smart Power Stage General.

Key Features

  • 3 V to 20 V power supply range.
  • 90 A continuous output current - Up to 100 A for 10 ms instantaneous current - Up to 150 A for 10 µs instantaneous current.
  • Optimized for switching frequency up to 1.5 MHz.
  • Integrated current monitor (5 mV/A) with typical 5% accuracy over temperature.
  • Integrated temperature monitor (8 mV/ °C) with 2% accuracy.
  • Fault Indicator.
  • Under-Voltage LockOut (UVLO) on VCC.
  • Over-Current Protection.

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