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  • Adjustable Power Supply

  • Adjustable Power Supply Enclosure

  • TL494

  • SK150 adjustable power supply

  • Low-cost adjustable power supply

  • DC-DC converter

Low-cost 400W adjustable power supply based on the TL494 boost module.
Print Profile(1)
  • 0.2 mm layer height, 2‑wall walls, 15% infill density

    1-disc

    PLA

    Designer

0

0

6

1

Released 2026-04-06
Details
Files(2)
Makes & Comments (0)

             Note: DIY projects require a certain level of hands-on skill; please observe electrical safety precautions

          

 

          Build a low-cost, 300W analog adjustable power supply using a 10-yuan TL494 boost converter module with constant-voltage and constant-current regulation

          Total cost: approximately 20 yuan

          TL494 module: 10 yuan

          Digital tube voltmeter/ammeter module: 4 yuan

          Gold-plated all-copper DC power socket: 0.5 yuan 

          XT60 female connector: 4 yuan—optional for higher current applications

         Potentiometer: 2 yuan

          5010 fan: 1–2 yuan

          

          The specific components required are listed in the compressed file; please check it yourself. If you cannot open the file, change its extension to .7z.

Bill of materials

  • Name
    Quantity
    Notes
  • 1
    TL494升压模块
    1
  • 2
    数码管电压电流双显表头
    1
  • 3
    XT60 (可选)
    2
  • 4
    镀金全铜DC母座
    2
  • 5
    5010风扇
    1
  • 6
    船型开关9*3
    1
  • 7
    电位器10k 5k
    2
    各一个

Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Standard Digital File License

This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.

Models(1)

  • model file image
    TL494简易可调电源 v1-SOLID-2.3mfDesigner

    357.51 KB

    2026-04-04

Attachments(1)

  • zip

    物料参考.zip

    786.27 KB

    2026-04-04

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