How to Use PicoPSU-150-XT 150W DC-DC ATX Power Supply & 150W AC Adapter: Examples, Pinouts, and Specs

The PicoPSU-150-XT is a compact, high-efficiency power supply unit designed to convert DC power to ATX-compatible power for small form factor computers. This power supply is ideal for applications where space is limited, such as in embedded systems, mini-ITX builds, and other small computing devices. The included 150W AC adapter allows for easy conversion of AC power to DC, making it a versatile solution for various power requirements.

1. Connect the AC Adapter:

   • Plug the 150W AC adapter into a standard AC outlet.
   • Connect the DC output of the adapter to the input of the PicoPSU-150-XT.

2. Connect the ATX Connector:

   • Attach the 24-pin ATX connector from the PicoPSU-150-XT to the motherboard's ATX power socket.

3. Connect Additional Power Cables:

   • If your system requires additional power connections (e.g., 4-pin CPU power, SATA power), connect the appropriate cables from the PicoPSU-150-XT to the corresponding components.

4. Power On:

   • Turn on the power supply by pressing the power button on your computer case. The PS_ON signal will activate the power supply.

• Ensure Proper Ventilation:

  • The PicoPSU-150-XT is designed to operate efficiently, but it is important to ensure proper ventilation to avoid overheating.

• Check Power Requirements:

  • Verify that the total power consumption of your system does not exceed 150W. Overloading the power supply can lead to instability or damage.

• Secure Connections:

  • Make sure all power connections are secure and properly seated to prevent intermittent power issues.

1. System Does Not Power On:

   • Solution: Check the AC adapter connection and ensure it is plugged into a working outlet. Verify that the ATX connector is securely attached to the motherboard.

2. Intermittent Power Loss:

   • Solution: Inspect all power connections for secure attachment. Ensure that the power supply is not overloaded by checking the total power consumption of your system.

3. Overheating:

   • Solution: Ensure proper ventilation around the power supply. Consider adding additional cooling if necessary.

Q: Can the PicoPSU-150-XT be used with an Arduino UNO? A: The PicoPSU-150-XT is designed for ATX-compatible systems and may not be directly compatible with an Arduino UNO. However, it can be used to power other components in a larger system that includes an Arduino.

Q: What is the efficiency rating of the PicoPSU-150-XT? A: The PicoPSU-150-XT has an efficiency rating of up to 96%, making it a highly efficient power supply option.

Q: Can I use a different AC adapter with the PicoPSU-150-XT? A: It is recommended to use the included 150W AC adapter to ensure compatibility and optimal performance. Using a different adapter may result in improper operation or damage.

Q: How do I know if the power supply is working correctly? A: The PWR_OK signal on the ATX connector indicates that the power supply is functioning properly. If your system powers on and operates stably, the power supply is likely working correctly.

This documentation provides a comprehensive overview of the PicoPSU-150-XT 150W DC-DC ATX Power Supply & 150W AC Adapter, including technical specifications, usage instructions, and troubleshooting tips. Whether you are a beginner or an experienced user, this guide will help you effectively utilize this compact and efficient power supply in your projects.