Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general guidelines for switching regulator layout, such as keeping the input and output capacitors close to the IC, and using a solid ground plane to reduce noise and EMI.
The selection of the inductor depends on the output current, output voltage, and switching frequency. TI provides a list of recommended inductors in the datasheet, but you can also use online inductor selection tools or consult with an inductor manufacturer to find the right one for your application.
The maximum ambient temperature for the TPS650231YFFR is 85°C, but the device can operate up to 105°C with derating. It's essential to consider the thermal design and heat dissipation in your application to ensure reliable operation.
The TPS650231YFFR is a QFN package, which can be sensitive to vibration. However, TI provides guidance on vibration testing and recommends using underfill material to improve the package's resistance to vibration. You should also consider the PCB design and component selection to ensure reliability in high-vibration environments.
TI provides a troubleshooting guide in the datasheet, which covers common issues such as output voltage regulation, efficiency, and thermal shutdown. You can also use oscilloscopes and other debugging tools to analyze the device's behavior and identify the root cause of the issue.
TPS650231YFFR datasheet
by Texas Instruments
