USB Buck Converter Module – 12V–72V to 5V 1A Isolated DC Power Supply
USB Buck Converter Module – 12V–72V to 5V 1A Isolated DC Power Supply
USB DC Step-Down Buck Converter – Isolated Power Supply Module
Convert high DC voltages down to a stable, regulated 5V USB output with this compact and efficient isolated buck converter module. Whether you're powering microcontrollers, USB devices, or low-voltage electronics from a 12V, 24V, 36V, 48V, or 72V source, this module delivers clean, stable power with built-in isolation for added circuit protection. Made in Mainland China.
Key Features
- Wide Input Range: Accepts DC input voltages of 12V, 24V, 36V, 48V, and 72V — versatile for automotive, industrial, and DIY electronics projects
- Regulated 5V USB Output: Delivers a steady 5V / 1A output via USB, ideal for charging or powering small electronics
- Isolated Design: Electrical isolation between input and output protects sensitive downstream components from voltage spikes and noise
- Compact SMD Package: Space-saving surface-mount design makes it easy to integrate into custom PCB layouts or enclosures
- Stable Voltage Regulation: Consistent output regardless of input voltage fluctuations within the supported range
- New Condition: Ships brand new in original packaging — quantity: 1 module per order
- No High-Concern Chemicals: Free from restricted or hazardous substances
Technical Specifications
| Input Voltage | 12V, 24V, 36V, 48V, 72V DC |
| Output Voltage | 5V DC |
| Output Current | 1A (max) |
| Output Interface | USB |
| Isolation | Yes – isolated power supply |
| Package Type | SMD (Surface Mount Device) |
| Application | Computer, automotive, industrial electronics, DIY projects |
| Condition | New |
| Country of Origin | Mainland China |
Perfect For
- Automotive or motorcycle USB charging from a 12V/24V battery
- Industrial control panels requiring a 5V supply from higher DC bus voltages
- DIY electronics, Arduino, and Raspberry Pi projects powered from high-voltage DC sources
- Solar panel or battery bank step-down conversion
- Powering USB devices in off-grid or custom-built systems
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Frequently Asked Questions
Q: What input voltages are compatible with this USB DC buck converter module?
A: This isolated buck converter module supports DC input voltages of 12V, 24V, 36V, 48V, and 72V, making it suitable for a wide range of applications including automotive systems, industrial equipment, and DIY electronics projects.
Q: What is the USB output specification of this step-down module?
A: The module provides a regulated 5V DC output at up to 1A (5W) via a standard USB connector, suitable for powering or charging USB-compatible devices and microcontroller boards.
Q: Why is the isolated design important in a buck converter?
A: An isolated power supply design provides electrical separation between the input and output circuits. This helps protect sensitive downstream electronics from voltage spikes, ground loops, and electrical noise — particularly important in automotive or industrial environments with high-voltage DC sources.
Q: Is this module suitable for use in a vehicle or motorcycle?
A: Yes. With a 12V or 24V input range, this module is well-suited for automotive and motorcycle applications, allowing you to power or charge USB devices directly from the vehicle's battery or electrical system.