DFRobot
2-way Fast Charge Buck Module (Compatible with Raspberry Pi 4B & Jetson Nano)
A dual-output USB fast-charging buck module with wide 6–32V input range and adjustable 3–12V output. It supports multiple fast-charging protocols including Q...
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A dual-output USB fast-charging buck module with wide 6–32V input range and adjustable 3–12V output. It supports multiple fast-charging protocols including Qualcomm QC 3.0, Huawei FCP/SCP, and Samsung AFC, making it compatible with 99% of smartphones on the market. Both USB channels operate independently.
With stable output voltage and comprehensive protection circuitry, this module is ideal for powering single-board computers like the Raspberry Pi 4B and NVIDIA Jetson Nano, building custom car chargers, or creating portable solar-powered charging stations.
Key Features
- 2-Way USB Output – Two independent USB ports with fast-charge support
- Wide Input Range – 6V to 32V DC input, suitable for 12V/24V systems
- Adjustable Output – 3V to 12V, automatically adjusts via fast-charge protocol (default 5V)
- Multi-Protocol Support – QC 2.0/3.0, Huawei FCP/SCP, Samsung AFC, Apple, and more
- Comprehensive Protection – Over-voltage, under-voltage, over-current, short-circuit, and over-temperature
- Up to 24W Output – 5V @ 3.4A, 9V @ 2.5A, or 12V @ 2A
Specifications
- Input Voltage: 6V–32V (input must be at least 2V higher than output)
- Output Voltage: 3V–12V (default 5V)
- Output Current: 0–3A
- Output Power: ≤24W
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Supported Protocols:
- DCP, BC1.2, Apple, Samsung
- Huawei FCP/SCP, AFC
- Spreadtrum SFCP
- Qualcomm QC 2.0 and QC 3.0
- MTK PE1.1 / PE2.0
Ideal For
- Powering Raspberry Pi 4B and NVIDIA Jetson Nano
- Car charging retrofits (12V/24V systems)
- Solar charger and DIY portable power supplies
- Mobile phone fast-charging stations
Package Contents
- 1× 2-Way Fast Charge Buck Module
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- NVIDIA Jetson Nano
- The NVIDIA Jetson Nano is a compact NVIDIA computing module used for camera, robotics and machine-learning projects at the edge. A compatible carrier board can host the module, though the module itself is usually sold separately.
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Power & Batteries
Supplier page — dfrobot.com
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