TPS22981RGPR datasheet by Texas Instruments

TPS22981RGPR Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the TPS22981RGPR?
  A good PCB layout for the TPS22981RGPR involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
• How do I ensure the TPS22981RGPR is stable and doesn't oscillate?
  To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input and output with ceramic capacitors.
• What is the maximum ambient temperature range for the TPS22981RGPR?
  The TPS22981RGPR is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
• Can I use the TPS22981RGPR in a high-reliability or automotive application?
  Yes, the TPS22981RGPR is AEC-Q100 qualified and suitable for use in high-reliability and automotive applications. However, it's recommended to follow the recommended operating conditions and design guidelines to ensure the device meets the required reliability and performance standards.
• How do I troubleshoot issues with the TPS22981RGPR?
  To troubleshoot issues with the TPS22981RGPR, start by checking the input voltage, output voltage, and current. Verify that the device is properly soldered and that the PCB layout is correct. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for guidance.