QC3.0 DIY Fast Charger DC 5-32V 24W Step-down Module is a highly efficient buck converter designed to deliver rapid power charging capabilities for a wide variety of portable electronics. This versatile board accepts a broad input range from 5 V to 32 V, efficiently dropping the voltage down to the exact levels required by fast-charging protocols. Consequently, it acts as an ideal core component for custom power banks, automotive USB ports, and portable solar charging setups. Furthermore, the module incorporates an advanced intelligent recognition chip that automatically identifies the connected device to negotiate the optimal charging profile. Therefore, you can safely deploy this step-down regulator to provide rapid, reliable, and multi-protocol power management for smartphones, tablets, and development boards alike.
Key Features:
- Multi-Protocol Support: Supports Qualcomm QC3.0 and QC2.0, MediaTek PE+1.1/2.0, Huawei FCP, and Samsung AFC protocols for broad hardware compatibility.
- High Efficiency Conversion: Utilizes synchronous rectification to achieve a conversion efficiency up to 97%, which significantly minimizes heat dissipation.
- Wide Input Voltage: Accepts any DC input from 5 V to 32 V, allowing it to interface directly with 12V/24V vehicle batteries or solar arrays.
- Comprehensive Protection: Includes input over-voltage, input under-voltage, output over-current, and short-circuit protection for maximum circuit safety.
- Compact Form Factor: The streamlined footprint simplifies integration into enclosed spaces, custom enclosures, or multi-port charging panels.
Technical Specifications:
- Input Voltage Range: DC 5 V to 32 V
- Output Voltage Range: Default 5 V (Automatically adjusts between 3 V and 12 V upon fast-charge activation)
- Maximum Output Power: 24 W (5V at 3.4A, 9V at 2.5A, 12V at 2A)
- Conversion Efficiency: ≈ 93% to 97%
- Switching Frequency: ≈ 220 kHz
- Operating Temperature Range: −40°C to +85°C
Mechanical Specifications:
- Output Port: Standard USB Type-A Female
- Input Interface: Solder pads (Positive and Negative indication)
- PCB Material: High-grade FR4 double-sided fiberglass board
- Indicator: On-board blue LED status indicator for power verification
Dimensions:
- Length: ≈ 34.5 mm
- Width: ≈ 17.5 mm
- Height: ≈ 9.5 mm
- Weight: ≈ 5.5 g
Pinout and Wiring:
- Pad IN+: Connect to the positive terminal of your DC input power source (5 V to 32 V).
- Pad IN-: Connect to the negative terminal (GND) of your DC input power source.
- USB Output Port: Connect your target device via a standard USB cable.
- Wiring Note: However, always ensure your input power source can supply adequate current to achieve the full 24 W output without experiencing a voltage drop.
Datasheet Reference:
Commonly Used in:
- Automotive USB Outlets: Upgrading stock vehicle cigarette lighter connections to modern fast-charging standards.
- DIY Solar Power Banks: Regulating the fluctuating output of solar panels to provide a stable, fast-charge compatible output.
- Custom Power Stations: Adding dedicated high-speed charging channels to benchtop or portable field power supplies.
Applications:
- Mobile Phone Charging: Supplying optimal fast-charging rates for Android and iOS mobile devices.
- Outdoor Power Gear: Powering USB routers, remote sensors, and lighting systems from 12V SLA or Li-ion battery arrays.
- Robotics Power Distribution: Providing a safe, isolated, and regulated 5V power tap for embedded microcontrollers alongside heavy motor loads.
Equivalent Models:
- MH-KC24: A highly popular alternative module built around similar fast-charging controller architectures.
- IP6505 Module: A direct functional chip cross-reference that outlines the core buck converter topology used on this board.
- LM2596 QC3.0 Mod: A modified variant of the classic LM2596 series, however, it generally exhibits lower conversion efficiency compared to this modern synchronous design.
Package Includes:
- 1 x QC3.0 DIY Fast Charger DC 5-32V 24W Step-down Module
Additional information
| Weight | 10 g |
|---|







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