Quality Standards and Environmental Certifications

Hybrid EV Solutions

Hybrid and Electric Vehicle Systems

You're building the cars of the future—today. We have the power and sensing solutions you need to bring your breakthrough innovations to life—today.



Our solutions are specifically designed for use in many 48V and HEV applications, including battery monitoring and onboard chargers, DC/DC converters and regulators, BLDC gate drivers and more. We offer benefits like superior safety for ADAS and autonomous vehicles, including ISO 26262 certification; high levels of integration for redundancy and heterogenous diversity; current sensors that maximize power density; market-leading, low noise sensors and robust motor drivers that reduce undesired noise in electric motors; and more.
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Cooling Systems

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    Inverter Systems

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      DC/DC Converters and Charging

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        e-Turbo Supercharger

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          Engine Cooling Fans, Pumps & Compressors

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            Starter Generator / eMotor

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              Largest selection of 48V Automotive Grade 0 Gate Drivers




              At Allegro, we know vehicle electrification and emission controls require innovative solutions for 48V bus. That is why we offer the most extensive portfolio of 48V solutions that reduce environmental impact in mild hybrid engines. Our robust and system optimized family of 48V products are designed for safety including architectures for BLDC, DC motors and Half-Bridge with independent high-side, low side outputs.



              Allegro has expanded it’s industry leading motor driver portfolio with a new family of 48V battery compliant devices on an ISO26262 compliant design process.





              Featured Products


              A89500:100V Fast Switching Half Bridge MOSFET Driver


              A89503:5.5V - 80V ASIL Half-Bridge MOSFET Gate Drive for Series Loads


              AMT49502:5.5V - 80V ASIL Half-Bridge MOSFET Gate Drive


              AMT49100 and AMT49101:ASIL BLDC MOSFET Gate Drive for 48V Battery Systems



              48V Block Diagram
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                Current Sensors

                ACS37612– Coreless Current Sensor

                ACS70310/1– Core-Based Current Sensor                 Close
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                PMIC

                ARG82801– PMIC plus for 4x High Side Gate Drivers

                ARG81402– Multi-Output Regulator with 5x LDO outputs                 Close
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                3 Phase Gate Driver

                AMT49100-AMT49101– BLDC MOSFET Gate Driver Close
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                Current Sensors

                ACS37612– Coreless Current Sensor

                ACS70310/1– Core-Based Current Sensor                 Close
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                Current Sensors

                ACS72981– Hall Current Sensor With 200 μΩ Current Conductor

                ACS772– 200KHz Current Sensor (5V supply)

                ACS773– 200KHz Current Sensor (3.3V supply) Close
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                Half Bridge Gate Driver

                A89500– 100V Half-Bridge Gate Driver

                AMT49502– 5.5V - 80V Half-Bridge Gate Driver

                A89503– Gate Driver for Series Loads                 Close
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                Hall Latch

                APS122x0– High-Temperature Hall-Effect Latches

                APS122x5– Hall-Effect Latches for Low Voltage Applications                 Close
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                Hall Latch

                APS122x0– High-Temperature Hall-Effect Latches

                APS122x5– Hall-Effect Latches for Low Voltage Applications                 Close
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                Hall Latch

                APS122x0– High-Temperature Hall-Effect Latches

                APS122x5– Hall-Effect Latches for Low Voltage Applications                 Close
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                Angle Sensor

                APS12626– Low Voltage Hall-Effect Latch

                A1333– Contactless 0° to 360° angle sensor

                AAS33001– Angle Sensor with On-Chip Linearization                 Close

              Application Notes

              Speed Sensors

              电动汽车牵引电动机要求和速度传感器lutions

              AN296226 - This paper explores the general requirement trends for speed and position sensors in traction motor systems, including high-speed capability, accuracy at startup, low-speed operation, immunity to vibration, EMC robustness, and safety.

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              Motor Drivers

              AMT49100 & AMT49101: How to Enable / Disable the Buck Regulator

              AN296217 - This application note describes how to switch between buck enabled and buck disabled operation on any variant of the AMT49100 or AMT49101 gate diver family.

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              Motor Drivers

              Estimating Maximum MOSFET Switching Frequency

              AN296216 - This application note describes how to calculate the maximum power MOSFET switching frequency in BLDC motor gate drives.

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              Motor Drivers

              Motor Drive Discrete MOSFET Bridge Circuit Design and Layout

              AN296215 - This application note is intended to familiarize the reader with bridge circuit switching for motor drive applications. Recommendations for circuit design and layout to mitigate EMI and switching transients are provided.

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              Motor Drivers

              Racing to Meet the Challenges of Electrification

              Governments around the world, including the European Union and the United States, have placed mandatory fuel economy standards on combustion engines to reduce emissions. These initiatives will require innovative advances in technologies, driving the demand for increased efficiencies.

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