48V Isolated DCDC Converters

In applications requiring galvanic isolation between the 48V and 12V domains for safety or noise immunity, designers need solutions that provide robust isolation without compromising power density or efficiency.

Allegro's innovative isolated gate drivers and high-bandwidth current sensors allow for the design of compact and efficient isolated converters that meet stringent automotive safety and EMC requirements. To provide safe, noise-free, and reliable 12V power for sensitive applications, ensuring system integrity and safety in advanced 48V vehicle architectures.

DCDC Converters 48V Iso Application Diagram
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    Regulator

    A8586 - Wide Input Voltage, 3.5A Adjustable Buck Regulator with Programmable Frequency

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

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    Regulator

    A8586 - Wide Input Voltage, 3.5A Adjustable Buck Regulator with Programmable Frequency

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

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    PMIC

    A81411 - Automotive PMIC with Buck-Boost Pre-Regulator, 5 Linear Regulators, and SPI

     

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    PMIC

    A81411 - Automotive PMIC with Buck-Boost Pre-Regulator, 5 Linear Regulators, and SPI

     

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    Gate Driver

    A3922 - Automotive Full-Bridge MOSFET Driver with SPI Control and Diagnostics

    AMT49502 - 80V Automotive Half-Bridge MOSFET Driver with ASIL Compliance and Diagnostics

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    Current Feedback Sensor

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

    ACS37030/2 - 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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    Current Feedback Sensor

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

    ACS37030/2 - 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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