暖通空调系统

Allegro 先进的电机控制解决方案有助于提高燃油效率和座舱舒适性，其中包括用于风门控制的双极步进电机驱动器和用于大功率 HVAC 鼓风机的 MOSFET 栅极驱动器。

HVAC Systems Application Diagram
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    3 Phase BLDC Driver (HVAC Blower)

    A4960 - Automotive Sensorless BLDC Controller with Integrated Gate Drive and Diagnostics

    A4964 - Automotive Sensorless Sinusoidal BLDC Controller with LIN Interface and Diagnostics

    A4911 - Automotive Three-Phase MOSFET Driver with ASIL Compliance, Diagnostics, and Current Sensing

    A4939 - Automotive Three-Phase MOSFET Driver with Integrated Fault Protection and 50V Operation

     

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    Blend Door Position Sensor

    APS12626 - 2D Hall-Effect Speed and Direction Sensor ICs with Functional Safety

    A31315 - 3D Magnetic Position Sensor

    A33230 - 3D Hall-Effect Sensor IC for Angle Measurement

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    Current Sensors

    ACS71240 - 120 kHz Hall-effect Current Sensor with Overcurrent Fault in SOIC-8 and QFN-12 Packages

    ACS37041 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

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    Current Sensor (Mode Door Actuator)

    ACS71240 - 120 kHz Hall-effect Current Sensor with Overcurrent Fault in SOIC-8 and QFN-12 Packages

    ACS37041 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

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    Current Sensors

    ACS37041 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

    ACS37042 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

    ACS71240 - 120 kHz Hall-effect Current Sensor with Overcurrent Fault in SOIC-8 and QFN-12 Packages

    Close
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    Current Sensors

    ACS71240 - 120 kHz Hall-effect Current Sensor with Overcurrent Fault in SOIC-8 and QFN-12 Packages

    ACS37041 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

    Close
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    Current Sensors

    ACS37041 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

    ACS37042 - Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

    ACS71240 - 120 kHz Hall-effect Current Sensor with Overcurrent Fault in SOIC-8 and QFN-12 Packages

    Close
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    Full Bridge Gate Driver

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

    A3924 - Automotive Full-Bridge MOSFET Driver with SPI Control, Current Sensing, and Diagnostics

    A89500 - 100V Half-Bridge MOSFET Driver for High-Power Inductive Loads

    A89505 - 50V Full-Bridge PWM Gate Drivers with Integrated Current Control and Protection

    A89506 - 50V Full-Bridge PWM Gate Drivers with Integrated Current Control and Protection

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    Full Bridge Gate Driver

    A89500 - 100V Half-Bridge MOSFET Driver for High-Power Inductive Loads

    A89505 - 50V Full-Bridge PWM Gate Drivers with Integrated Current Control and Protection

    A89506 - 50V Full-Bridge PWM Gate Drivers with Integrated Current Control and Protection

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    Mode Door Position Sensor

    APS12626 - 2D Hall-Effect Speed and Direction Sensor ICs with Functional Safety

    A31315 - 3D Magnetic Position Sensor

    A33230 - 3D Hall-Effect Sensor IC for Angle Measurement

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    Position Sensor (HVAC Blower)

    CT310 - 2D XtremeSense™ TMR Angle Sensor with High Accuracy

    A33230 - 3D Hall-Effect Sensor IC for Angle Measurement

     

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    Regulator

    APM81911 - 40V, 3A Synchronous Buck Regulator Module with Integrated Inductor and EMI Filter

    APM81803 - 40V, 3A Synchronous Buck Regulator Module with Integrated EMI Filter

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

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    Stepper Motor Driver

    A4992 - Automotive Microstepping Stepper Driver with Integrated Current Control

    A4980 - Programmable Stepper Driver with SPI Control

    AMT49700 - Automotive Stepper Motor Driver with Programmable Motion Control and Integrated Current Sensing

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    Temperature Dial Position Sensor

    APS12626 - 2D Hall-Effect Speed and Direction Sensor ICs with Functional Safety

    A31315 - 3D Magnetic Position Sensor

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Featured Products

Cost-effective shunt alternative hall-based current sensor

ACS71240

Automotive-Grade, Galvanically Isolated Current Sensor IC
Product Image

A4955

Designed for pulse-width-modulated (PWM) control of DC motors, the A4955 is capable of 50 V operation and provides gate drive for an all n-channel external MOSFET bridge.
APS122x5 Product Image

APS12205, APS12215, APS12235

High-Temperature Hall-Effect Latches for Low-Voltage Automotive Applications

A8660

Wide Input Voltage, Adjustable Output, Synchronous Buck Controller with PWM Frequency Dithering, Synchronization, and NPOR

Documentation & Resources

Efficient Climate Control, Engineered to Perfection - Driving Performance and Sustainability in Next-Generation Heat Pumps and HVAC Systems
Brochure

Efficient Climate Control, Engineered to Perfection - Driving Performance and Sustainability in Next-Generation Heat Pumps and HVAC Systems

The global push toward energy - efficient buildings and electrified heating is accelerating innovation in heat pump and HVAC system design. Consumers and regulators alike demand systems that deliver precise climate control, ultra quiet operation, and maximum seasonal efficiency without compromising increasingly compact form factors.

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