The recommended layout for the TPS60401DBVRG4 involves placing the input and output capacitors close to the device, using short and wide traces for the power lines, and separating the analog and digital grounds. A good layout can help reduce noise, improve efficiency, and prevent oscillations.
The choice of input and output capacitors for the TPS60401DBVRG4 depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be at least 1uF, and the output capacitor should be at least 2.2uF. X5R or X7R ceramic capacitors are good options.
The TPS60401DBVRG4 can operate at ambient temperatures up to 85°C. However, the device's performance and reliability may degrade at higher temperatures. It's recommended to derate the output current and voltage at higher temperatures to ensure reliable operation.
Yes, the TPS60401DBVRG4 can be used in a battery-powered device. The device has a low quiescent current of 20uA, which makes it suitable for battery-powered applications. However, the device's shutdown current is 1uA, so it's recommended to use an external shutdown signal to reduce the current consumption when the device is not in use.
To troubleshoot issues with the TPS60401DBVRG4, start by checking the input and output voltages, and the device's operating frequency. Use an oscilloscope to check for oscillations, noise, or other anomalies. Check the layout and ensure that it meets the recommended layout guidelines. Also, check the input and output capacitors for any signs of damage or degradation.
TPS60401DBVRG4 datasheet
by Texas Instruments
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