DRV5011ADDMRT datasheet by Texas Instruments

DRV5011ADDMRT Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the DRV5011ADDMRT?
  A good PCB layout for the DRV5011ADDMRT involves keeping the high-current paths short and wide, using a solid ground plane, and placing the decoupling capacitors close to the device. TI provides a recommended layout in the datasheet and application notes.
• How do I choose the right sense resistor value for my application?
  The sense resistor value depends on the desired current limit and the voltage drop across the resistor. A good starting point is to use the formula Rsense = Vref / (2 * Imax), where Vref is the reference voltage and Imax is the maximum current. TI provides a sense resistor calculator tool to help with the selection.
• What is the purpose of the EN pin, and how do I use it?
  The EN (enable) pin is used to enable or disable the device. When EN is high, the device is enabled, and when EN is low, the device is disabled. This pin can be used to implement a shutdown feature or to reduce power consumption when the device is not in use.
• How do I protect the DRV5011ADDMRT from overvoltage and undervoltage conditions?
  The DRV5011ADDMRT has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. However, additional protection can be achieved by using external components such as TVS diodes or voltage regulators to clamp the input voltage within the recommended range.
• What is the maximum operating frequency of the DRV5011ADDMRT?
  The DRV5011ADDMRT is designed to operate up to 100 kHz, but the actual frequency limit depends on the specific application and the quality of the PCB layout. TI recommends following the guidelines in the datasheet and application notes to ensure reliable operation.