DFRobot
5V 3A Dual USB Step Down Buck Converter Module
This dual-USB step-down buck converter accepts 8–32V DC input and delivers a regulated 5V output at up to 3A across two USB Type-A ports simultaneously. With...
This dual-USB step-down buck converter accepts 8–32V DC input and delivers a regulated 5V output at up to 3A across two USB Type-A ports simultaneously. With over 85% conversion efficiency and built-in reverse-connection and overload protection, it provides a compact and reliable way to power USB devices from a higher-voltage source.
If the current on either output port exceeds 3.5A, the module automatically shuts off to protect connected devices.
Key Features
- Input Voltage – 8–32V DC
- Output – 5.1V ±5% at up to 3A (dual USB Type-A ports)
- Conversion Efficiency – Greater than 85%
- Overload Protection – Auto shut-off above 3.5A per port
- Reverse Connection Protection – Prevents damage from incorrect wiring
- Static Power Consumption – ≤5mA
- Operating Temperature – −25°C to 65°C
- Operating Humidity – 0–95% RH
Ideal For
- Powering USB devices from a 12V or 24V vehicle supply
- Smart home and IoT power distribution
- Robotics projects requiring regulated 5V USB power
- DIY portable power sources
Package Contents
- 1× 5V 3A Dual USB Step-Down Buck Converter Module
Jargon buster
Plain-language definitions for the technical terms used above.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
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Power & Batteries
Supplier page — dfrobot.com
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