L6225PD

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Linear Technology’s L6225PD is an efficient, high performance, low power motor and motion control product family. It is available in both integrated circuit (IC) and module form, and offers a wide range of features for driving, controlling and monitoring brushless DC, stepper and linear motors.

The L6225PD is designed for use in applications such as motor control, motion control, motor phase angle control and other motor related applications. It supports full H-bridge operation and provides accurate motion control at high speeds. With advanced features such as automatic commutation, independent PWM current control, speed/current regulation, micro-stepping and regenerative braking, it provides a comprehensive solution for many motor control applications.

The L6225PD application field covers a wide range of applications including consumer electronics, industrial automation, automotive, aerospace and defense, and medical. It can be used to control DC motors in electric vehicles, consumer appliances and garage door openers, or stepper motors in inkjet printer motors, surveillance cameras, robots and other automation tools. It has been proven to be an efficient and reliable motor control solution.

The L6225PD provides a high level of circuit integration and its key features include integrated H-bridge driver, independent PWM current control and speed/current regulation. The device provides a full harmonics protection circuit to protect from high frequency current and voltage transients. It also includes an on-chip DMOS power FETs for low power dissipation and reliability. The device supports up to 100A peak current for the motor and offers a resolution of up to 8 micro-steps with a PWM frequency up to 2MHz.

The L6225PD is designed to provide high performance while reducing system cost and power consumption. The device uses a switching DC/DC converter to generate high voltage gate drive voltage and control logic supplies. This results in lower input power and better noise immunity. The device also features an integrated current sense amplifier to allow precise current regulation of the motor, and includes an Overcurrent Protection (OCT) circuit for safety.

The L6225PD also includes an integrated motion controller and supports micro-stepping mode for precise motion control. The device can detect motor phase angle and automatically perform motor commutation for smoother motion. The device also features an integrated ramp generator for quick and precise control of the motor. It can be used to provide smooth and accurate motion control, even when operating at high speeds.

The L6225PD is a highly integrated and cost-effective solution for various motor control applications. Its integrated features and high performance make it an attractive choice for engineers designing motor control systems. The device has been used in a variety of applications including robots, laser diode drivers, 3D printers, electric vehicles and other embedded systems.

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