STMicroelectronics recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal pad connected to the ground plane to improve thermal dissipation. A minimum of 2 oz copper thickness is recommended.
To ensure reliable operation at high temperatures, it's essential to follow the recommended thermal design guidelines, use a suitable heat sink, and ensure good airflow around the device. Additionally, consider derating the output current and voltage according to the temperature derating curves provided in the datasheet.
The maximum allowed voltage on the enable pin (EN) is 6V, which is higher than the recommended operating voltage of 5V. However, it's essential to ensure that the voltage on the EN pin does not exceed the maximum rating to prevent damage to the device.
Yes, the STW5093CYL is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is suitable for use in harsh environments. However, it's essential to follow the recommended design guidelines and testing procedures to ensure the device meets the specific application requirements.
To troubleshoot issues with the STW5093CYL, start by verifying the power supply voltage, output voltage, and current. Check for proper PCB layout, thermal design, and decoupling. Use an oscilloscope to monitor the output voltage and current waveforms. Consult the datasheet and application notes for guidance on troubleshooting common issues.
STW5093CYL datasheet
by STMicroelectronics
