DC～DC USB Converter

The HJ-315AC DC DC USB Converter is a compact, high-performance DC to DC USB Converter designed to deliver stable and reliable USB power for a wide range of electronic applications. With excellent conversion efficiency of up to 95%, multiple protection features, and support for OEM customization, this DC-DC USB Power Converter is ideal for powering modern 3C products, smart home devices, and other USB-powered equipment.

As a professional DC USB Converter, the HJ-315AC converts a DC input voltage into a regulated 5V USB output, ensuring safe and efficient charging for devices that rely on standardized USB power.

What Is a DC–DC USB Converter?

A DC–DC USB Converter, also known as a DC to USB Converter or USB DC Converter, is an electronic power module that converts direct current (DC) input into a stable USB output voltage, typically 5V. It allows USB devices to be powered from DC sources such as batteries, embedded systems, industrial power supplies, or custom electronic equipment.

Compared with traditional adapters, a DC USB Power Adapter offers higher efficiency, compact size, and better compatibility with DC-based systems, making it essential in modern electronic designs.

Product Information

Product Specifications

Key Features of the DC DC USB Converter

High Conversion Efficiency

This DC DC USB Converter delivers an efficiency of ≥95%, reducing power loss and heat generation. It is an excellent choice for energy-sensitive applications and long-term operation.

Stable 5V USB Output

As a reliable DC to DC USB Converter, it provides a stable 5V 3A output, ensuring safe charging and continuous power supply for USB devices.

Dual USB Output (A + C)

The integrated USB-A and USB-C ports enhance compatibility, allowing multiple devices to be powered simultaneously using a single USB DC Converter.

Multiple Protection Functions

Built-in overvoltage protection, short-circuit protection, overload protection, and temperature protection safeguard both the DC-DC USB Power Converter and connected devices.

Compact & OEM-Ready Design

With a compact structure and support for OEM customization, this DC USB Converter can be easily integrated into custom products, embedded systems, and industrial equipment.

Buck Converter Architecture

Functioning as a USB buck converter, the HJ-315AC efficiently regulates DC input voltage to the required USB output, ensuring stable performance across various operating conditions.

Applications of the DC–DC USB Power Converter

The HJ-315AC DC USB Power Adapter is widely used in:

• 3C consumer electronics

• Smart home devices

• Embedded systems

• Industrial control equipment

• Custom electronic projects

• USB charging modules

Its stable performance makes it an ideal DC to USB Converter for both commercial and industrial applications.

Why Choose Our DC to DC USB Converter?

• High efficiency and low power loss

• Certified with CE and RoHS

• Multiple safety protection mechanisms

• USB-A + USB-C dual output design

• OEM and parameter customization available

• Reliable performance as a USB DC Converter

FAQ – DC–DC USB Converter (Model: HJ-315AC)

1. What is a DC–DC USB Converter?

A DC–DC USB Converter is a power conversion device that transforms a DC input voltage into a stable USB output, typically 5V. The HJ-315AC DC DC USB Converter ensures reliable power delivery for USB-powered devices such as 3C products and smart home equipment.

2. What input voltage does this DC to DC USB Converter support?

The HJ-315AC DC to DC USB Converter operates with a DC 5V input, making it suitable for systems with regulated DC power sources.

3. What is the output capacity of this DC USB Converter?

This DC USB Converter provides a 5V 3A output with a total power of 15W, supporting both USB-A and USB-C (A+C) connections.

4. Is this product considered a USB buck converter?

Yes. The HJ-315AC functions as a USB buck converter, efficiently regulating DC power to a stable 5V USB output with an efficiency of ≥95%.

5. What protection features does the DC–DC USB Power Converter include?

The DC–DC USB Power Converter is equipped with:

• Overvoltage protection

• Short-circuit protection

• Overload protection

• Temperature protection

These features ensure safe and stable operation for both the USB DC Converter and connected devices.

6. Can this DC to USB Converter be customized?

Yes. This DC to USB Converter supports OEM customization, and parameters such as output current, interface type, and protection settings can be customized according to specific project requirements.

7. Is the DC USB Power Adapter certified?

Yes. The HJ-315AC DC USB Power Adapter is certified with CE and RoHS, meeting international safety and environmental standards.

8. What applications are suitable for this USB DC Converter?

This USB DC Converter is ideal for:

• 3C electronic products

• Smart home devices

• Embedded systems

• Industrial electronic equipment

It is widely used wherever stable USB power is required from a DC source.

9. What is the operating environment for the DC DC USB Converter?

The DC DC USB Converter operates reliably in:

• Working temperature: -20℃ to +50℃

• Storage temperature: -20℃ to +80℃

• Humidity: 10%–90% RH

10. Can this DC–DC USB Converter power multiple devices at the same time?

Yes. With its USB-A + USB-C dual output design, this DC–DC USB Converter can power or charge two USB devices simultaneously, as long as the total load does not exceed 15W.