A good PCB layout for the TPS2514ADBVT involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
When choosing an inductor for the TPS2514ADBVT, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to select an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance of less than 100 mΩ.
The TPS2514ADBVT is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. In general, the device can operate up to 85°C ambient temperature with proper heat sinking and airflow.
The TPS2514ADBVT has a built-in overcurrent protection feature that can be enabled by connecting a resistor from the OCSET pin to GND. The resistor value determines the overcurrent threshold, and the device will shut down if the output current exceeds this threshold.
Yes, the TPS2514ADBVT is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications, and is also suitable for use in industrial and medical applications that require high reliability.
TPS2514ADBVT datasheet
by Texas Instruments
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