TPS22949ADRGR datasheet by Texas Instruments

TPS22949ADRGR Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the TPS22949ADRGR?
  Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency layout guidelines, such as keeping the input and output traces short and away from each other, and using a solid ground plane to reduce noise and EMI.
• How do I choose the right input and output capacitors for the TPS22949ADRGR?
  The choice of input and output capacitors depends on the specific application and operating conditions. In general, X7R or X5R ceramic capacitors with a voltage rating of at least 2x the input voltage are recommended. The output capacitor should be chosen based on the desired output ripple and transient response.
• What is the maximum ambient temperature range for the TPS22949ADRGR?
  The TPS22949ADRGR is rated for operation from -40°C to 125°C, but the maximum ambient temperature range may be limited by the specific application and the thermal design of the system.
• How do I implement overcurrent protection with the TPS22949ADRGR?
  The TPS22949ADRGR has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to a resistor and capacitor network. The datasheet provides a detailed example of how to implement overcurrent protection.
• Can I use the TPS22949ADRGR in a high-reliability or automotive application?
  Yes, the TPS22949ADRGR is qualified for automotive and high-reliability applications, and meets the requirements of the AEC-Q100 standard. However, it's essential to follow the recommended design and layout guidelines, and to perform thorough testing and validation to ensure the device meets the specific requirements of the application.