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DC-DC Converters

You need high frequency and high isolation for your high-side applications. We have it. Check out our 1MHz current sensor ICs with lightning-fast response time to reduce your overall BOM cost and PCB area, while increasing quality in your DC-DC converters. These devices are perfect replacements for your bulky current transformers.

And in bi-directional 48V/12V DC-DC converters, our gate drivers, current sensors and regulators offer high levels of integration and EMC robustness in footprints, enabling your compact designs.

Check out what else we have to offer for your charging applications. On-Board Chargers»

Bidirectional 48V to 12V DC-DC Converter Application Diagram
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    12V Gate Driver

    A4926 – Full Bridge Gate Driver with ASIL features
    A4928 – Full Bridge Gate Driver with current sense amplifier     Close
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    48V Gate Driver

    AMT49502 – 80V Half Bridge Gate Driver with ASIL
    A89500 – 100V Half Bridge Gate Driver

     Close
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    Current Sensors

    ACS71240 – 3mmx3mm Current Sensor with Overcurrent
    ACS72981 – Efficient 100A Integrated Current Sensor     Close
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    Current Sensors

    ACS71240 – 3mmx3mm Current Sensor with Overcurrent
    ACS72981 – Efficient 100A Integrated Current Sensor     Close
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    DC/DC Regulator ICS & Multi-Output PMICs

    A81407 – Multi-Output PMIC with SPI

    ARG81800 – 1A Synchronous Rectified Buck DC/DC
    A8586 – 3.5A Synchronous Rectified Buck DC/DC
    APM81910 – Coming Soon

    Close
200v to 12V or 48V DC-DC Converter Application Diagram
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    Current Sensors

    ACS37002 – High Isolation & Accuracy 400kHz Current Sensor
    ACS37612 – Coreless Current Sensor 
    ACS70311 – High Accuracy Corebased Current Sensor
    ACS772 – Isolated 200A Current Sensor (5V)
    ACS37610 – Coreless Differential Current Sensor     Close
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    Current Sensors

    ACS37002 – High Isolation & Accuracy 400kHz Current Sensor
    ACS37612 – Coreless Current Sensor 
    ACS70311 – High Accuracy Corebased Current Sensor
    ACS772 – Isolated 200A Current Sensor (5V)
    ACS37610 – Coreless Differential Current Sensor     Close
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    12V/48V Gate Driver

    AMT49502 – 80V Half Bridge Gate Driver with ASIL
    A89500 – 100V Half Bridge Gate Driver
    A4926 – Full Bridge Gate Driver with ASIL features
    A4928 – Full Bridge Gate Driver with current sense amplifier     Close
  • More

    DC/DC Regulator ICS & Multi-Output PMICs

    A81407 – Multi-Output PMIC with SPI

    ARG81800 – 1A Synchronous Rectified Buck DC/DC
    A8586 – 3.5A Synchronous Rectified Buck DC/DC
    APM81910 – Coming Soon

    Close
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    Fully Integrated Isolated Gate Driver

    AHV85110:  Isolated GaNFET Driver with Integrated Isolated Bias Supply

    AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive

    Close
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    Fully Integrated Isolated Gate Driver

    AHV85110:  Isolated GaNFET Driver with Integrated Isolated Bias Supply

    AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive

    Close
  • More

    Fully Integrated Isolated Gate Driver

    AHV85110:  Isolated GaNFET Driver with Integrated Isolated Bias Supply

    AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive

    Close
  • More

    Fully Integrated Isolated Gate Driver

    AHV85110:  Isolated GaNFET Driver with Integrated Isolated Bias Supply

    AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive

    Close

Documentation & Resources

New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs

Technical Article

New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs

July 01, 2020

Really Cool. Really Efficient. New 400 kHz current sensors enable more sustainable designs in switch-mode power designs.

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Rethink PCB Current Sensing

Technical Article

Rethink PCB Current Sensing

This article will discuss two new innovative approaches to measure currents up to 600 A in PCB: a near-lossless Hall-based current sensor with an ...

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Allegro Product Selection Guide

Selection Guide

Allegro Product Selection Guide

Sense. Regulate. Drive. Check out our device offerings and packages across all of our product families in this PDF selection guide.

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Current Sensing for Power Delivery

Application Note

Current Sensing for Power Delivery

March 11, 2022

AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.

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Common Driver Platform for 12V and 48V Systems Simplifies EV Starter Generator Designs

Technical Article

Common Driver Platform for 12V and 48V Systems Simplifies EV Starter Generator Designs

This article discusses how using a common platform for both 12V and 48V starter generator systems will simplify and ease the transition to 48V ...

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Current Sensing For Renewable Energy

Technical Article

Current Sensing For Renewable Energy

In grid-tied photovoltaic systems, designers must focus on minimizing cost per watt to deliver the best possible return on investment.

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Hall Effect Current Sensing in Hybrid Electric Vehicle (HEV) Applications 

Technical Article

Hall Effect Current Sensing in Hybrid Electric Vehicle (HEV) Applications 

This note provides an understanding of hybrid electric vehicle (HEV) power systems and the contribution Hall-effect sensing technology can provide to ...

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Short Duty Cycles Lead to Smaller DC-DC Converters

Application Note

Short Duty Cycles Lead to Smaller DC-DC Converters

AN295054 - This application note describes recent trends in the electronic component power management industry, in particular the innovative ...

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