Allegro MicroSystems A3967SLBTR

Allegro MicroSystems A3967SLBTR Environmental and export classification status description

of A3967SLBTR The A3967SLBTR is a dual H-bridge motor driver IC designed for driving bi-directional DC motors, stepper motors, and other inductive loads. It is primarily used for precision motor control in various applications, including robotics, consumer electronics, and industrial automation. Functions - Dual H-Bridge Configuration: It can drive two motors or a bipolar stepper motor due to its dual H-bridge design. - PWM Control: The A3967SLBTR supports Pulse Width Modulation (PWM) for speed control and direction management. - Current Control: It provides adjustable current control for maintaining the desired torque and efficiency while protecting the motor and the driver itself. - Active Thermal Protection: Built-in thermal shutdown and current sensing features protect the IC from overheating and excessive currents. - Voltage Range: It operates over a wide voltage range, which makes it suitable for various power supply configurations. Applications - Electric vehicles - Robotics applications (robot arms, mobile robots) - Industrial automation (conveyor belts, actuators) - Home appliances (washers, dryers) - Consumer electronics (toys, game controllers) Alternative Parts - TI DRV8833: A dual H-bridge motor driver suitable for low-voltage applications. - L298N: A classic motor driver IC widely used for driving motors in various applications. - A4988: A stepper motor driver that is also a popular choice for driving stepper motors. - TB6612FNG: A dual-channel motor driver IC that operates with PWM control and is suitable for small robotics projects. Embedded Modules - Arduino Motor Shield: Some motor shields for Arduino use integrated ICs like the A3967SLBTR for easy interfacing with microcontrollers. - Raspberry Pi Motor Driver HATS: Motor driver boards designed for Raspberry Pi that may facilitate the use of the A3967SLBTR or similar driver ICs, providing higher control capabilities for robotics. Related Q&A Q1: What types of motors can the A3967SLBTR drive? A1: The A3967SLBTR can drive bi-directional DC motors as well as bipolar stepper motors. Q2: What is the maximum voltage and current rating for the A3967SLBTR? A2: The A3967SLBTR typically supports a voltage range up to 50V and can handle a continuous current of approximately 2A per channel. Q3: How does PWM control affect the operation of the A3967SLBTR? A3: PWM control allows the A3967SLBTR to adjust the speed of the motors by varying the average voltage supplied to the motor while also permitting directional control via signal inputs. Q4: What protective features does the A3967SLBTR have? A4: The A3967SLBTR includes active thermal protection and current limiting to prevent damage from overheating or excessive current draw. Q5: Can the A3967SLBTR be used in a battery-powered application? A5: Yes, the A3967SLBTR is suitable for battery-powered applications because of its wide operating voltage range, which allows it to be used with various battery types.