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AOZ52177QI - High-Performance Smart Power Stage

Datasheet Summary

Description

The AOZ52177QI 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 AOZ52177QI provides an output current signal (IMON), which reports the real-time module current with a gain of 5 mV/A.

Features

  • 3 V to 25 V power supply range.
  • 70 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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Datasheet Details

Part number AOZ52177QI
Manufacturer Alpha & Omega Semiconductors
File Size 2.09 MB
Description High-Performance Smart Power Stage
Datasheet download datasheet AOZ52177QI Datasheet
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AOZ52177QI High-Current, High-Performance Smart Power Stage General Description The AOZ52177QI 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 AOZ52177QI 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. The AOZ52177QI also includes an accurate module temperature monitor (TMON). TMON is a voltage sourced signal with a gain of 8 mV/°C. The MOSFETs are individually optimized for operation in the synchronous buck configuration.
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