Texas Instruments provides a recommended PCB layout in the TPS923654 evaluation module documentation, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
The input capacitor selection depends on the input voltage, output voltage, and output current. TI recommends using a low-ESR capacitor with a minimum capacitance of 10uF and a voltage rating of at least 1.5 times the input voltage. The X7R or X5R dielectric type is recommended.
The maximum ambient temperature for the TPS923654HMDMTR is 85°C, but it can be derated for higher temperatures. TI recommends consulting the thermal derating chart in the datasheet to determine the maximum output current at elevated temperatures.
Yes, the TPS923654HMDMTR is AEC-Q100 qualified and suitable for high-reliability and automotive applications. However, it's essential to consult the device's qualification report and follow the recommended design and testing guidelines to ensure compliance with the specific application requirements.
To troubleshoot PGOOD issues, check the output voltage, output current, and input voltage to ensure they are within the specified ranges. Also, verify that the PGOOD pin is properly connected and not loaded with excessive capacitance. Consult the datasheet for more information on PGOOD functionality and troubleshooting.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
