Power Supply Unit (PSU)

Optimize your Power Supply Unit (PSU) designs with Allegro's advanced current sensor and gate driver ICs to achieve superior efficiency and maximize power delivery. Ensure robust and reliable operation in demanding cloud infrastructure and data center environments, backed by proactive fault detection and optimized thermal management for continuous performance.

Power supply unit application diagram image
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    Fan Motor Driver

    A89333 - 48V Sensorless Code-Free FOC BLDC Motor Controller with Integrated Gate Driver

    A5931 - Three-Phase Sensorless Sinusoidal Fan Driver IC

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    Isolated Gate Driver

    AHV85000 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85040 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85110 - Self-Powered Isolated GaN FET Driver with Integrated Bias Supply

    AHV85111 - Self-Powered Isolated GaN FET Driver with Regulated Bipolar Output

    AHV85311 - Self-Powered Isolated SiC Driver with Power-Thru Integrated Isolated Bias Supply

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    Isolated Gate Driver

    AHV85000 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85040 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85110 - Self-Powered Isolated GaN FET Driver with Integrated Bias Supply

    AHV85111 - Self-Powered Isolated GaN FET Driver with Regulated Bipolar Output

    AHV85311 - Self-Powered Isolated SiC Driver with Power-Thru Integrated Isolated Bias Supply

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    Isolated Gate Driver

    AHV85000 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85040 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85110 - Self-Powered Isolated GaN FET Driver with Integrated Bias Supply

    AHV85111 - Self-Powered Isolated GaN FET Driver with Regulated Bipolar Output

    AHV85311 - Self-Powered Isolated SiC Driver with Power-Thru Integrated Isolated Bias Supply

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    Isolated Gate Driver

    AHV85000 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85040 - Isolated GaN FET Driver Chipset with Integrated Bias Supply

    AHV85110 - Self-Powered Isolated GaN FET Driver with Integrated Bias Supply

    AHV85111 - Self-Powered Isolated GaN FET Driver with Regulated Bipolar Output

    AHV85311 - Self-Powered Isolated SiC Driver with Power-Thru Integrated Isolated Bias Supply

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    Input Current Sensor

    ACS37030 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output

    CT427 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output

    ACS71010 - ±800V Reinforced Isolation High-accuracy Hall-effect Current Sensor in SOICW-16 Package

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    Primary Current Sense

    ACS37030 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output 

    ACS37100 - 10 MHz TMR Current Sensor with Integrated Overcurrent FAULT Detection and Output Voltage Reference

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    Secondary Current Sense

    ACS37030 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output

    ACS37035 - AEC-Q100 qualified ±707V Reinforced Isolation 1MHz Hall-Effect Current Sensor

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    Output Current Sense

    ACS37220 - Low-Resistance Current Sensor IC with Overcurrent Fault Protection

    ACS37611 - Low Noise, Standalone, Coreless and Contactless Current Sensor with Overcurrent and Overtemperature Detection

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    Input Current Sensor

    ACS37030 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output

    CT427 - DC to 5MHz, High-Accuracy Current Sensor with Reference or Fault Output

    ACS71010 - ±800V Reinforced Isolation High-accuracy Hall-effect Current Sensor in SOICW-16 Package

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    DC Link Current Sensor

    ACS71010 - ±800V Reinforced Isolation High-accuracy Hall-effect Current Sensor in SOICW-16 Package 

    ACS37800 - Isolated, Programmable AC and DC Power Monitoring IC

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    Board Power

    APM81815 - 80V, 1.5A Synchronous Buck Regulator for 48V Automotive Systems

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Featured Products

LZ Packaging Image for the ACS37010 a 400 kHz, High Accuracy Current Sensor with Voltage Reference Output

ACS37029, ACS37030, ACS37031, ACS37032

The ACS37030 and ACS37032 are fully integrated current sensor IC that senses current flowing through the primary conductor.
Self-Powered Isolated SiC Driver with Power-Thru Integrated Isolated Bias Supply Packaging Image

AHV85311

The AHV85311 isolated gate driver is optimized for driving discrete SiC FETs in power supply and conversion applications.
ACS71010

ACS71010

The ACS71010 is a high-accuracy (1% sensitivity error over temperature), mid-bandwidth (400 kHz) current sensor IC.
Self-Powered Single-Channel Isolated GaNFET Gate Driver with Power-Thru Integrated Isolated Bias Supply

AHV85110

The AHV85110 isolated gate driver is optimized for driving GaN FETs in multiple applications and topologies.

Documentation & Resources

Robust and Efficient Power Supply Units (PSUs) for Cloud Infrastructure
Brochure

Robust and Efficient Power Supply Units (PSUs) for Cloud Infrastructure

In the ever-evolving landscape of cloud computing, efficient and dependable Power Supply Units (PSUs) are more critical than ever.
Breaking the Bandwidth Barrier: Solving the Totem-Pole PFC Challenge in Next-Gen Data Centers
Blog

Breaking the Bandwidth Barrier: Solving the Totem-Pole PFC Challenge in Next-Gen Data Centers New

Break the bandwidth barrier in your Data Center PSU design. Discover how the ACS37031 enables extreme power density and high-frequency GaN control

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