DRV8838EVM

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Evaluation and Demonstration Boards and Kits provide a quick and easy way for testing, debugging and evaluating a product. The DRV8838EVM (Evaluation Module) is one such product which is used to demonstrate and evaluate the DRV8838 Stepper Motor Driver Board. The DRV8838EVM is capable of driving up to 4 motors, or 2 depending on the operational mode, making it suitable for use in a variety of applications.

The DRV8838EVM is a eightteenth-size evaluation board designed to interface with microcontroller platform boards or Arduino compatible development boards. It includes an integrated protection circuit which minimizes the number of components that need to be incorporated into the end application, ensuring the board\'s longevity and reliability. It also offers a number of power and interface options, including a 2-6V power supply, I2C/UART/SPI communications, and a microstep selection of up to 128 steps per motor cycle. The board also features an indicator LED and a number of configurable switches which allow the user to configure and control the operation of the DRV8838EVM dynamically.

The DRV8838EVM is designed to drive any two phase motor such as stepping motors, dc brushless, servo, linear, and DC motors. It provides a maximum output current of 4800mA, in two 1800mA output channels, controllable in 128 microsteps resolution, and can operate up to 15V. It is also equipped with two independent low-side MOSFET drivers in a half-bridge configuration and a single full-bridge MOSFET driver, which provides overcurrent protection.

When using the DRV8838EVM, two external power supplies are needed: one for the logic and one for the motor. The motor supply should be between 2 and 15V and can be one of two types, either a DC voltage or a pulse width modulated voltage. The logic supply should be 3V, but may be up to 6V depending on the application. The DRV8838EVM should also be connected to a microcontroller platform board or an Arduino compatible development board via the I2C/UART/SPI locations provided.

The DRV8838EVM works by controlling the movement of the motor with current pulses. The pulses can be generated by the microcontroller platform board or Arduino compatible development board, and then passed through the DRV8838EVM to the motor. When the current pulses are received by the motor, they cause the motor to move a certain number of steps in the desired direction. The number of steps is determined by the microstep resolution selected.

The DRV8838EVM can be used in a variety of applications such as robotic arms, 3D printers, CNC machines, servo motors, linear actuators, and many more. Its high current output, low-side MOSFET drivers, and full-bridge MOSFET driver make it ideal for high-power applications. The integrated protection circuit minimizes the number of components that need to be incorporated into the end application, ensuring the board’s longevity and reliability. The board is also very easy to setup and configure using the configurable switches and the indicator LED. This makes it an ideal choice for beginner and experienced users alike.

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