Tel: +86 18933510102

55V To 5V 3A Dual Purpose USB

Input voltage: 12V-60V DC

Output voltage: 5V DC

Maximum output current: 3A

Efficiency: up to 96%

Operating temperature: -40°C to 85°C

Size: typically less than 46*32*18MM

Weight: 75G
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一、About product

The 55V to 5V 3A dual purpose USB step-down converter is a device that allows you to convert a higher voltage (in this case, 55V) to a lower voltage (5V) and regulate the output current up to 3A. This type of converter is commonly used in applications where a high input voltage must be stepped down to power USB devices.

The product consists of a DC-DC buck converter module that meets the input and output voltage requirements, as well as other necessary components such as capacitors, diodes, and an inductor. The converter ensures that the output voltage is regulated and stable, which is essential for powering sensitive electronic devices.

The converter can be used for both home and industrial applications, such as charging smartphones and tablets, powering microcontrollers and sensors, and even running small motors or pumps. It is compact in size and typically requires very little maintenance once installed.

Before purchasing a 55V to 5V 3A dual purpose USB step-down converter, it's important to ensure that it meets your specific needs and that all necessary safety precautions are taken during installation and use. Always follow the manufacturer's instructions for proper installation and operation.

二、Product details

Here are some product details for a typical 55V to 5V 3A dual purpose USB step-down converter:

Input voltage: 12V-60V DC

Output voltage: 5V DC

Maximum output current: 3A

Efficiency: up to 96%

Operating temperature: -40°C to 85°C

Size: typically less than 46*32*18MM

Weight: 75G

Additional features may include overvoltage protection, overcurrent protection, short circuit protection, and thermal shutdown protection.

三、The competitive advantage of product line:

The company has passed CE/ROHS certification. OEM and ODM service is available.

四、Production capacity:

Product Line Name

Production Line Capacity

Actual Units Produced(Previous Year)

Power converter/Step-down converter/DC converter

Power converter: 40,000 Pcs / Month, Step-down converter: 10,000 Pcs / Month, DC converter: 40,000 Pcs / Month

Power converter: 400,000 Pcs, Step-down converter: 100,000 Pcs, DC converter: 400,000 Pcs


1. Are you a manufacturer?
Yes! We are a professional leading manufacturer engaged in the R & D, production, sale and service of DC-DC, AC-DC switching power, we have developing team with above 15 years experience can offer personalized power solutions.
2. What is your MOQ? Delivery time? Shipping Cost?
The MOQ is only 1pcs. The delivery time and shipping cost depends on the quantity of goods, shipping method and country.
3. Can I get samples?
Yes. We can send samples for checking. We usually choose Express delivery to send samples for quick testing.
4. Do you support OEM & ODM?

Yes, we can customize the product logo, packaging and specifications you need.
5. How to place an order?
Please send PO to Service and we will draft the Alibaba insurance order for you according to your needs. The payment methods we support include T/T, Western Union, paypal, etc
6. How can you make sure your quality? What's your products warranty?
We only use the best quality (original) parts to ensure that our product standards are the highest. All the products we sell are produced by experienced workers and 100% have been strictly inspected by QC department before shipping. The warranty is 1 year.


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Huizhou Calculus Technology Co., Ltd. is a leading manufacturer specializing in the R&D, production, sales and service of DC-DC and AC-DC converter.




 Tel: +86 18933510102  
 Add: 6th Floor, Building 8, Yinong Technology Rural Revitalization Technology Industry Demonstration Park, No. 3, Xinhua Avenue, Chenjiang Street, Zhongkai High-Tech Zone,Huizhou City,Guangdong Province,China
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