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DFRobot DC to DC USB Fast Charging Module 6~32V to 5V/3A
The DFRobot DC to DC USB Fast Charging Module is a high-efficiency DC to DC converter that transforms 6–32V input into a stable 5V/3A USB output.
Designed as a versatile USB fast charging module, it integrates smart charge recognition, making it compatible with over 99% of smartphones and USB-powered devices. This intelligent feature enables the module to deliver peak charging current, dramatically reducing charge time.
With consistent voltage output, this 5V 3A power module is ideal for mobile fast charging projects, DIY power supplies, car charging retrofits, and solar charging systems.
Diagram

Features
- Small in size, easy to integrate into compact projects
- Supports multiple fast-charging protocols for wide device compatibility
- Provides stable USB output for reliable performance
- Can function as both a charging module and a power supply unit
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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Package Includes
1 x DFRobot DC to DC USB Fast Charging Module 6~32V to 5V/3A
Specifications
Input Voltage Range | 6V–32V |
Output Voltage | 3–12V auto-adjust (default 5V; input must be ?2V higher than output) |
Output Current | 0–3A |
Chip Protection | Input overvoltage, under-voltage, input/output overcurrent, short circuit, over-temperature protection |
Supported Fast Charging Protocols | DCP, BC1.2, Apple, Samsung Huawei FCP/SCP Spreadtrum SFCP Qualcomm QC2.0 & QC3.0 MTK PE1.1 / PE2.0 |
Additional Resources
The packaging was well done with bubble wrap and a box that fully protected the module during shipping, avoiding any damage.
DFRobot support was swift to respond to questions about output voltage settings and helped me optimize charging for my device safely.
The module feels very sturdy with quality components inside, promising long-term reliability for powering my USB devices.
Based on my experience with performance and support, I highly recommend this module for anyone needing efficient and reliable USB power conversion.
Considering the build quality, performance, and price, this fast charging module offers excellent value for DIY electronics and power projects.