A3940KLW

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The A3940KLW is a pulse-width modulated, dithered, current-mode, dc motor driver controller, with a wide range of advanced features. It is designed to provide a high-performance, low-cost solution for the requirements of a wide range of applications; from industrial process control to the most demanding motorsport applications. The A3940KLW is capable of driving motors up to 6A peak and operates with PWM frequencies up to 16MHz, making it suitable for a variety of applications. It can also be used in applications requiring higher switching frequencies and can be adapted easily to a variety of motor types.

The A3940KLW works by modulating the voltage applied to the motor terminals, producing a torque in proportion to the input signal. The current-mode control system employed by the A3940KLW helps regulate the dynamic performance of the motor by ensuring smooth and consistent operation. The adjustable output current limit and current-mode control also enable the motor to be fully utilized, so the RPM of the motor can be maintained at a constant rate.

The A3940KLW’s wide range of features make it suitable for a variety of applications, including speed/direction control for DC motors, servos, brushless dc (BLDC) motors, stepper motors, and speed control for tachometer-fed motors. In addition, the A3940KLW can be used in applications requiring the precise and efficient control of device parameters, such as the speed and position of a motor, and the power and temperature of a device.

The A3940KLW also has a variety of features designed to protect the motor and controller from damage due to excessive motor current, including overcurrent protection, auto-resetting overvoltage protection, and a patented dual-channel short-term overcurrent detection circuit. The A3940KLW also features a pre-configured, single-ended sense circuit which provides protection against ground and drain shorts, by sensing current and rapidly shutting down the motor if an overcurrent condition is detected.

The A3940KLW is the ideal choice for applications requiring high performance, reliable motor control, and advanced features, all in a cost-effective package. Its versatile design, wide range of features and robust protection circuitry make it the perfect choice for a variety of applications. Whether you need speed/direction control for DC motors, servos, BLDC motors, stepper motors, or precise control of device parameters, the A3940KLW is an ideal solution for your needs.

The specific data is subject to PDF, and the above content is for reference