LMD18200T

Motor Drivers, Controllers, and PMICs are specialized integrated circuits that are used to control the operation of motors and other devices in a wide array of applications and environments. The LMD18200T is one such motor controller and PMIC that is specifically designed for motor control applications. In this article, we will discuss the application field and working principle of the LMD18200T.

Application Field of LMD18200T

The LMD18200T from STMicroelectronics is an advanced dual H-bridge motor driver that is designed for use in applications that require high amperage and precise motion/speed control. It is particularly well-suited for applications such as brushless DC motor speed control, medical, and industrial automation applications. It can handle motor voltages of up to 28 Volts and motor currents of up to 5 Amps.

The LMD18200T also features thermal protection and fault reporting capability that can be used to improve the reliability and safety of the motor control system. Additionally, the LMD18200T is available in a surface mount package, making it easy to integrate into existing designs.

Working Principle of LMD18200T

The LMD18200T is a dual H-bridge motor driver that is designed for high-performance, Bipolar Single Phase, Brushless DC motor control applications. The LMD18200T is designed to be used with an appropriate microcontroller, such as an STM8 or STM32, to implement the necessary low-level control functionality. The LMD18200T provides the necessary power bridge components to drive the motor, as well as the built-in input and output filtering circuitry to ensure smooth motor operation.

The LMD18200T operates by utilizing Pulse Width Modulation (PWM) to control the motor’s speed and direction. This is done by having the microcontroller output a PWM signal to the LMD18200T’s input. The LMD18200T then converts the PWM signal into a voltage that is applied to the motor’s power leads, thus controlling the speed and direction of the motor.

Additionally, the LMD18200T also has built-in safety features, such as thermal protection and fault reporting, which help to ensure that the system remains safe and stable at all times. The LMD18200T also features a programmable overcurrent protection circuit that can be used to protect the system from excessive current consumption.

Conclusion

The LMD18200T is a specialized dual H-bridge motor driver designed for high-performance motor control applications. It is well-suited for brushless DC motor speed control, medical, and industrial automation applications. The LMD18200T is able to handle motors of up to 28 Volts and 5 Amps, and has built-in thermal protection and fault reporting capabilities. The LMD18200T utilizes Pulse Width Modulation (PWM) to control the motor’s speed and direction, and it also features a programmable overcurrent protection circuit.

Overall, the LMD18200T is a great solution for motor control applications that require high current and precise motion/speed control. Its advanced features and built-in safety functions make it a reliable and cost-effective solution for a variety of applications.