Allegro MicroSystems Inc. Datasheets for Motion Controllers
Motion controllers range from simple linear controllers to complex, user-programmable modules that act as controllers within complex integrated multi-axis motion systems.
Motion Controllers: Learn more
| Product Name | Notes |
|---|---|
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| Brush DC Drivers | |
| Brushless DC Drivers (BLDC) | |
| Dual 1.5 Full Bridge Motor Driver | |
| Serving as a replacement for the AMT49702 Quad DMOS Full-Bridge PWM Motor Driver. The A4992 simplifies stepper motor control with integrated phase current control, a built-in translator for easy microstepping,... | |
| Serving as a replacement part for the A5957 Full-Bridge PWM Gate Driver. The A4955 provides a versatile and robust solution for driving all N-channel MOSFET bridges, featuring adjustable gate drive,... | |
| Serving as a replacement part for the AMT49701 Quad DMOS Full-Bridge PWM Motor Driver. The A5988 offers versatile and efficient control of up to two stepper motors or four DC... | |
| Simplify stepper motor control with the A5976. The integrated translator eliminates complex microstepping programming, while selectable current decay modes and synchronous rectification ensure quiet and efficient operation. * Note: If... | |
| The A3901 efficiently drives two DC motors or a single stepper motor with its dual full-bridge design. Optimized for low voltage drop and power consumption, it supports currents up to... | |
| The A3906 provides versatile and efficient control of stepper and DC motors, featuring integrated PWM current control, synchronous rectification for reduced power dissipation, and an overcurrent flag for enhanced system... | |
| The A3908 provides precise and stable motor voltage control, minimizing variations due to load changes or battery fluctuations. Its integrated full-bridge design, adjustable output voltage, and low-power standby mode simplify... | |
| The A3910 provides flexible and efficient control of two DC motors with its dual half-bridge design. Direct control of high- and low-side drivers allows for either high- or low-side PWM,... | |
| The A3916 offers efficient and versatile control of stepper and DC motors, with dual full-bridge DMOS drivers, synchronous rectification for reduced power dissipation, and integrated PWM current control. * Note:... | |
| The A3921 is designed for automotive applications requiring robust control of high-power inductive loads. It offers high-current gate drive for N-channel MOSFETs, integrated diagnostics, and a wide operating voltage range... | |
| The A3922 provides precise and reliable motor control in automotive applications, featuring SPI control, integrated current sensing, comprehensive diagnostics, and ASIL compliance for functional safety. * Note: If you have... | |
| The A3942/44 gate drivers provide robust and reliable control of high-side (A3942) and low-side (A3944) N-channel MOSFETs in automotive applications. Integrated diagnostics and SPI control simplify system design and enhance... | |
| The A3946 simplifies high-power motor control designs with its integrated charge pump, 100% duty cycle capability, and robust protection features. It's suitable for a variety of inductive loads, including unidirectional... | |
| The A3950 offers efficient and reliable PWM control of DC motors, delivering peak output currents up to ±2.8A and operating voltages up to 36V. Integrated protection features and synchronous rectification... | |
| The A3959 provides flexible PWM control of DC motors with output currents up to ±3A and operating voltages up to 50V. It features selectable current decay modes (slow, fast, mixed)... | |
| The A3966 simplifies the control of two-phase bipolar stepper motors with its dual full-bridge design, integrated PWM current control, and optimized low saturation voltage outputs for reduced power dissipation. *... | |
| The A3967 simplifies stepper motor control. Its integrated translator eliminates complex programming, while automatic current decay selection and synchronous rectification ensure quiet and efficient operation in full-, half-, quarter-, and... | |
| The A3977 simplifies microstepping motor control with its integrated translator, eliminating the need for complex phase-sequence tables. Offers smooth, quiet operation with selectable current decay modes and synchronous rectification. *... | |
| The A3979 offers precise and versatile microstepping control for bipolar stepper motors, featuring 1/16-step resolution, an integrated translator for simplified control, and selectable current decay modes for optimized performance. *... | |
| The A3981 provides highly configurable and reliable stepper motor control for automotive applications. Features SPI control, programmable current regulation, and diagnostic capabilities for enhanced system performance. * Note: If you... | |
| The A3983 simplifies microstepping motor control with its integrated translator, automatic current decay selection, and synchronous rectification, ensuring quiet and efficient operation. * Note: If you have issues logging into... | |
| The A3984 offers precise and efficient microstepping control of bipolar stepper motors, featuring 1/16-step resolution, an integrated translator for simplified control, and synchronous rectification for reduced power dissipation. * Note:... | |
| The A3992 provides precise and efficient microstepping control of bipolar stepper motors, with programmable current control, synchronous rectification for reduced power dissipation, and integrated protection features. * Note: If you... | |
| The A4910 offers high-current gate drive for automotive motor control applications up to 50V. Integrated current sense amplifiers and comprehensive diagnostic capabilities provide valuable system insights and simplify system design. | |
| The A4915 simplifies 3-phase motor drive designs by integrating synchronous rectification for improved efficiency, internal PWM control, and built-in protection features, reducing external component count and design complexity. * Note:... | |
| The A4931 simplifies BLDC motor control with integrated Hall commutation, PWM current control, locked-rotor protection, and speed sensing, while providing diagnostic outputs for enhanced system monitoring. * Note: If you... | |
| The A4939 offers robust protection and reliable performance in automotive motor drive applications up to 50V, with integrated fault detection, short circuit protection, and overtemperature monitoring. * Note: If you... | |
| The A4942 simplifies fan motor control with its sensorless design, integrated closed-loop speed control, and adjustable current limiting for quiet and efficient operation. * Note: If you have issues logging... | |
| The A4945/A4949 offers quiet and efficient operation of medium-power fans, using sinusoidal drive to minimize audible noise and vibration. These sensorless drivers simplify design and reduce system complexity. * Note:... | |
| The A4950 provides efficient and reliable PWM control of DC motors, with peak output currents up to ±3.5 A and integrated protection features for robust performance. Available in automotive and... | |
| The A4952/3 offers a cost-effective solution for PWM control of DC motors, with integrated protection features and synchronous rectification for enhanced efficiency. * Note: If you have issues logging into... | |
| The A4954 provides independent control of two DC motors with its dual full-bridge design, integrated synchronous rectification, and comprehensive protection features. * Note: If you have issues logging into this... | |
| The A4956 offers enhanced control and protection for DC motor applications, with adjustable gate drive, synchronous rectification, integrated VDS protection, and flexible decay mode selection. * Note: If you have... | |
| The A4957 provides robust and efficient control of high-power inductive loads, with an integrated charge pump, bootstrap charge management, and diagnostic features for enhanced reliability. * Note: If you have... | |
| The A4960 offers a robust and efficient solution for automotive BLDC motor control, providing sensorless startup and commutation, integrated gate drive for N-channel MOSFETs, and comprehensive diagnostics for enhanced system... | |
| The A4963 simplifies sensorless BLDC motor control, offering a wide operating range (up to 50V and 30,000 rpm), programmable operating modes, and integrated gate drivers for reduced system complexity. *... | |
| The A4964 provides a comprehensive solution for automotive BLDC motor control, featuring sensorless sinusoidal drive, programmable control modes, LIN interface, and integrated diagnostics for enhanced performance and reliability. * Note:... | |
| The A4970 efficiently drives bipolar stepper motors or two DC motors, with integrated PWM current control, internal clamp diodes, and thermal protection. * Note: If you have issues logging into... | |
| The A4973 provides bidirectional PWM current control of inductive loads, with selectable current decay modes, integrated protection features, and a sleep mode for reduced power consumption. * Note: If you... | |
| The A4975 offers precise microstepping control of bipolar stepper motors, with selectable decay modes (slow, fast, mixed), an integrated DAC for current control, and internal protection features. * Note: If... | |
| The A4980 offers a flexible and programmable solution for automotive stepper motor control, featuring SPI control, programmable current regulation, and diagnostic read-back. * Note: If you have issues logging into... | |
| The A4982 simplifies microstepping motor control with its integrated translator, automatic current decay mode selection, and integrated protection features. * Note: If you have issues logging into this feature you... | |
| The A4983 provides a highly integrated solution for microstepping motor control, featuring a built-in translator, 1/16th step resolution, automatic current decay selection, and synchronous rectification. * Note: If you have... | |
| The A4984 simplifies microstepping motor control with its integrated translator and selectable step modes, offering automatic current decay selection and synchronous rectification for optimized performance. * Note: If you have... | |
| The A4985 offers precise and versatile microstepping motor control with an integrated translator, automatic current decay mode selection, and integrated current control for simplified design and optimized performance. * Note:... | |
| The A4986 offers efficient and reliable control of stepper motors with its dual full-bridge design, parallel input communication, and integrated overcurrent protection. * Note: If you have issues logging into... | |
| The A4987 efficiently drives two stepper motors with its dual full-bridge design, parallel input communication, and integrated overcurrent protection. * Note: If you have issues logging into this feature you... | |
| The A4988 offers precise and versatile microstepping motor control, featuring a built-in translator, 1/16th step resolution, automatic current decay selection, and synchronous rectification. * Note: If you have issues logging... | |
| The A4990 provides versatile motor control for automotive applications, driving stepper or brush DC motors with full current and offering brake capability. * Note: If you have issues logging into... | |
| The A4993 offers flexible and precise control of bipolar stepper motors, with integrated phase current control, a built-in translator for easy microstepping, and SPI control for advanced configuration and diagnostics. | |
| The A5932 provides a highly efficient and quiet solution for high-power fan control in automotive applications. Its sensorless sinusoidal drive minimizes noise and vibration, while configurable closed-loop speed curves optimize... | |
| The A5940 offers low-noise and efficient control of medium power fans. Sinusoidal drive minimizes audible noise and vibration, while sensorless operation simplifies design. Available in automotive and commercial grades. *... | |
| The A5941 is a versatile fan driver offering quiet startup, efficient sinusoidal drive, and flexible speed control options (PWM, analog, I2C) for optimized performance. * Note: If you have issues... | |
| The A5947 simplifies the design of sensorless automotive fan systems with its integrated closed-loop speed control, sinusoidal drive, and programmable speed curves. Eliminates the need for a microcontroller and reduces... | |
| The A5950 offers efficient and versatile PWM control of DC motors, with integrated protection features, synchronous rectification, and diagnostic capabilities for enhanced system monitoring and reliability. Available in automotive and... | |
| The A5977 simplifies microstepping motor control with its integrated translator and support for up to 1/8-step resolution. Offers smooth, quiet operation with selectable current decay modes. * Note: If you... | |
| The A5979 provides precise and efficient microstepping control for bipolar stepper motors, with an integrated translator for simplified control and selectable current decay modes for optimized performance. Supports up to... | |
| The A5984 offers quiet and precise control of stepper motors, featuring adaptive current control to minimize noise and vibration, along with an integrated translator and selectable step modes for simplified... | |
| The A5985 provides quiet and precise control of stepper motors with output current up to 1A per phase, featuring adaptive current control to minimize noise and vibration, an integrated translator,... | |
| The A5989 provides a highly integrated solution for driving both a bipolar stepper motor and a high-current DC motor, with independent control for each and integrated protection features. * Note:... | |
| The A5995 provides efficient and independent control of two DC motors, with dual full-bridge drivers, integrated PWM current regulation, and synchronous rectification for reduced power dissipation. * Note: If you... | |
| The AMT49105 integrates key functionality for automotive motor drive systems, including a 3-phase MOSFET driver, LIN interface, regulated microprocessor supply, and comprehensive diagnostics for simplified design and enhanced system reliability. | |
| This integrated sensorless driver minimizes fan noise, vibration, and uses sinusoidal modulation and closed-loop speed control to ensure quiet and efficient operation, eliminating the need for Hall sensors. Available in... |