A good PCB layout for the TPS51116RGER involves placing the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. TI provides a recommended PCB layout in the datasheet and application notes.
The choice of input and output capacitors depends on the specific application requirements. TI recommends using low-ESR capacitors with a minimum capacitance of 10uF for the input and output. The capacitor selection guide in the datasheet can help with selecting the right capacitors.
The TPS51116RGER is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's essential to consider the thermal design and heat dissipation in the system to ensure reliable operation.
Yes, the TPS51116RGER is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is suitable for use in harsh environments. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific application requirements.
To troubleshoot issues with the TPS51116RGER, start by checking the PCB layout, input and output capacitor selection, and thermal design. Verify that the device is operated within the recommended specifications and that the input voltage and current are within the recommended range. TI provides troubleshooting guides and application notes to help identify and resolve common issues.
TPS51116RGER datasheet
by Texas Instruments
