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power supply 8A with voltmeter XL4016E1

R186.76 inc VAT

Out of stock

SKU: XL4016E1-voltmeter-229 Category:


XH-M404 Step Down power supply 8A with voltmeter – XL4016E1 IC

These 8A step down power supplies are quite impressive with their 8A max current rating, It is recommended that you do not run these power supplies at 8A for long periods as they do build up a lot of heat over time.

These trim pots to adjust the voltage can catch you off guard when first using them. Sometimes it can take 8-10 full turns to see a voltage change. Counter-clockwise rotation for voltage decreases.

XH-M404 Step Down power supply 8A with voltmeter  Features
Module: XH-M404 XL4016 Buck Regulator Module
Display method: 0.36 inch 3 red digital tube
Maximum current: 8A (long time recommended 5A)
Input voltage: DC4-36V
Output voltage: DC1.25-36V
Regulator mode: PWM modulation
Maximum power: 200W
Conversion efficiency: 95%
Switching frequency: 180KHz

Calibrating the voltmeter.
One of our clients, Stefan was so kind to send me these instructions.

  1. Power up the module with a stable and accurate dc power supply (such as a regulated 6-V power supply).
  2. Then short-press the button on the right side to select which one you need to adjust (input or output).
  3. Long-pressing the button on the right side (holding it for >2 s) makes the module enter calibration mode.
  4. After releasing the button, the related LED will blink to indicate which voltage is now calibrating, and the numeric display will blink with the present value.
  5. Short-press the button to change the present value. For example, if your power supply is 6 V but the result of voltage meter is 5.8 V, you need to set the value to 6 V.
  6. Short-press the button on the right side to increase the voltage by one unit.
  7. Short-press the button on the left side to reduce the voltage by one unit.
  8. Long-press button on the right side to store the redressed value.
  9. The pre-set pot sets the actual output voltage.
  10. Calibrate the output voltage reading on the digital voltmeter in the same way above. For example, if your actual output is 3 V but the result on the voltmeter is 4 V, you need to set the value to 3 V.
  11. The redressed value will be stored in the non-volatile memory of the module.

Remember, if you are facing difficulties in the calibration process for the first time, just turn the preset pot counterclockwise for 10 rotations as the default output voltage (factory preset) is around 20 V. Also attach the heatsink that comes with the module if you are a power user!




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