This 4-Channel USB QC3.0/QC2.0 DC-DC Buck Converter Charging Step-Down Module is designed to efficiently convert input voltages from 6V to 32V to 9V, 12V, or 24V for fast charging applications. Known for their high efficiency, DC-DC buck converters minimize power loss during voltage conversion, ensuring optimal performance. With support for quick charging protocols, this module is perfect for powering fast chargers and providing reliable, rapid charging solutions.
Applications:
Suitable for DIY projects, portable chargers, automotive applications, or any scenario where efficient and fast USB charging is required.
Note: The actual product may vary in slight variation with the image shown depending upon quantity availability.
Features:
- 4 channels, allowing you to simultaneously charge 4 USB devices.
- Supports Quick Charge 3.0 (QC3.0) and Quick Charge 2.0 (QC2.0) standards.
- Accepts input voltages in the range of 6-32V. This flexibility allows the module to be used in various applications with different power sources, such as automotive systems (12V), power adapters, or other DC power supplies.
- Support multiple fast-charging protocols
- Support DCP protocol, BC1.2, Apple, Samsung protocol
- Support Huawei Fast Charge Protocol FCP/SCP
- Support Huawei Fast Charge Protocol AFC
- Support Spreadtrum Fast Charge Protocol SFCP
- Support Qualcomm QC2.0 and 3.0
Specification
| Input Voltage (V) | 6~32V |
|---|---|
| Product Type | 6-32V DC-DC Buck Converter Step Down to Fast Quick Charger Circuit Board |
| P3D Material | Metal + Plastic |
| Output Voltage(V) | 5V, automatically adjust between 3-12V after triggering fast charge |
| Output Power (W) | up to 24W (5V/3.4A, 9V/2.5A, 12V/2A, etc.) |
| Conversion efficiency | 90%-97% |
| Product Dimensions (mm) | 89 x 44 x 11 |
Package Includes:
1 x 4 CHANNEL USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board
Technical Specifications
| Voltage Range | 9V - 24V |
|---|---|
| Channels | 4-channel |
| Interface / Protocol | USB |
| SKU | AI6289 |
| Weight | 0.05 kg |
| Availability | Out of Stock |
Applications & Use Cases
The 4 CHANNEL USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board is a versatile buck converter used across a wide range of applications including voltage step-down for electronics, battery-powered projects, LED driver circuits, microcontroller power supply, and solar power regulation.
Common use cases:
- Converting 12V car battery to 5V for USB devices
- Powering a Raspberry Pi from a drone battery
- Regulating solar panel output for charging
This product is ideal for electronics hobbyists, IoT developers, and power supply designers.
Technical Tip: Buck converters are more efficient than linear regulators (LM7805). Choose one rated for at least 1.5x your required current. Ensure input voltage is at least 2V above output.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Manojit Dey (verified owner) –
This 4-channel USB QC3.0/QC2.0 DC-DC buck converter module delivers excellent performance with fast charging, stable voltage regulation, and strong compatibility. It’s a great fit for powering multiple devices in DIY, lab, or test bench environments. The build quality is solid, and heat management is efficient.
The only drawback is the slightly high price, which may deter budget-focused users.
✅ Pros:
* Excellent build quality
* Supports QC3.0/QC2.0 fast charging
* Wide input range: 6V–32V
* Stable and efficient output
* Good heat dissipation under load
* Perfect for DIY and test setups
⚠️ Cons:
* Slightly expensive for a charging module