TPS54429ERSAT datasheet by Texas Instruments

TPS54429ERSAT Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance?
  Texas Instruments provides a recommended PCB layout in the TPS54429EVM-001 evaluation module documentation, which includes guidelines for component placement, thermal management, and routing. Following this layout can help ensure optimal performance and minimize noise and EMI.
• How do I select the right inductor for my design?
  The selection of the inductor depends on the specific application requirements, such as output voltage, output current, and switching frequency. Texas Instruments provides an inductor selection guide in the TPS54429 datasheet, which includes a list of recommended inductors and their corresponding characteristics.
• What is the maximum junction temperature (TJ) that the device can handle?
  The maximum junction temperature (TJ) for the TPS54429ERSAT is 150°C. However, it's recommended to keep the junction temperature below 125°C for optimal performance and reliability.
• How do I implement overcurrent protection (OCP) in my design?
  The TPS54429ERSAT has a built-in overcurrent protection (OCP) feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The OCP threshold can be adjusted by selecting the appropriate resistor and capacitor values. Texas Instruments provides a detailed OCP implementation guide in the datasheet.
• What is the recommended input capacitor type and value for this device?
  The recommended input capacitor type is a low-ESR ceramic capacitor, such as an X5R or X7R dielectric capacitor. The recommended input capacitor value is 10uF to 22uF, depending on the input voltage and output current requirements.