Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good thermal design practices, such as using a solid ground plane, placing thermal vias under the device, and keeping the thermal path short and direct.
Choose input capacitors with a low ESR, high ripple current rating, and a voltage rating that meets or exceeds the maximum input voltage. A minimum of 10uF capacitance is recommended, but the optimal value depends on the specific application and input voltage.
The TPSM33615RDNR has a maximum output current derating of 0.5A/°C above 50°C. This means that for every degree above 50°C, the maximum output current should be reduced by 0.5A to ensure reliable operation.
While the TPSM33615RDNR is a high-quality module, it may not meet the specific requirements of high-reliability or aerospace applications. Texas Instruments offers other modules, such as the TPSM33615RHNR, which are designed for high-reliability applications and meet stricter requirements.
To troubleshoot output voltage errors or instability, check the input voltage, output load, and PCB layout. Ensure that the input voltage is within the recommended range, the output load is within the specified current limit, and the PCB layout follows good thermal and electrical design practices.
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TPSM33615RDNR Overview
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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.
