24W USB QC3.0 QC2.0 Fast Charger Module – 6V–32V DC Input

The 24W USB QC3.0 Fast Charger Module is a compact DC-to-USB fast charging solution designed for DIY electronics projects, automotive charging systems, battery-powered devices and custom USB power supply applications. Featuring a wide 6V–32V DC input range, a USB Type-A output port and multiple fast charging protocol support, this module provides a convenient way to integrate USB charging functionality into your electronic projects.

Based on the MH-KC24 PCB marking, this module supports Qualcomm Quick Charge 3.0 (QC3.0), Quick Charge 2.0 (QC2.0) and several additional charging protocols.

Key Features of the 24W USB QC3.0 Fast Charger Module

• 24W Maximum Output Power: Designed for USB fast charging applications with a maximum rated output power of 24W.
• Wide DC Input Range: Accepts DC input voltages from 6V to 32V.
• QC3.0 Fast Charging: Supports Qualcomm Quick Charge 3.0 compatible devices.
• QC2.0 Compatibility: Also supports Qualcomm Quick Charge 2.0.
• Multiple Charging Protocols: Supports DCP, FCP, SCP, AFC, SFCP and MediaTek PE1.1/2.0 protocols as indicated on the PCB.
• USB Type-A Output: Features a standard USB-A female connector for connecting USB charging cables.
• Compact PCB Design: Measures approximately 34.5mm × 17mm.
• Easy Integration: Suitable for custom DC-powered USB charging systems and electronics projects.

Wide 6V–32V DC Input Voltage

One of the main advantages of this 24W USB QC3.0 Fast Charger Module is its wide DC input voltage range.

It accepts a DC supply between 6V and 32V, making it suitable for various power supply configurations. It can be integrated into compatible 12V and 24V automotive electrical systems, suitable battery-powered projects, DC adapters and other electronic applications.

The input terminals are marked IN+ and IN− on the PCB, making the positive and negative connections easy to identify.

Important: Always use a regulated DC supply within the specified input range. Check the input polarity carefully before connecting the power source.

QC3.0, QC2.0 and Multi-Protocol Charging Support

This USB fast charger module is designed to support multiple charging protocols, allowing compatible devices to negotiate an appropriate charging mode.

The supported protocols indicated on the PCB include:

• Qualcomm Quick Charge 3.0 (QC3.0)
• Qualcomm Quick Charge 2.0 (QC2.0)
• Dedicated Charging Port (DCP)
• Huawei Fast Charging Protocol (FCP)
• Super Charge Protocol (SCP)
• Adaptive Fast Charging (AFC)
• Spreadtrum Fast Charging Protocol (SFCP)
• MediaTek Pump Express 1.1/2.0 (MTK PE1.1/2.0)

Actual charging performance depends on the connected device, supported charging protocol, input power source and operating conditions.

For the advertised maximum 24W output, the connected equipment and power supply must support the required operating conditions.

Compact Size and Practical Installation

The MH-KC24 USB fast charging board features a compact PCB measuring approximately 34.5mm in length and 17mm in width.

Its small dimensions make it suitable for installation inside compatible electronic enclosures, custom charging stations, automotive USB charger assemblies and portable DC-powered projects.

The PCB also includes mounting holes for convenient installation.

The integrated USB Type-A female connector provides a familiar connection point for standard USB charging cables.

Applications of the USB Fast Charger Module

The 24W USB QC3.0 QC2.0 Fast Charger Module can be used in a wide range of electronics and power supply applications, including:

1. Automotive USB Charging Systems

Integrate the module into compatible 12V or 24V DC automotive power systems to develop custom USB charging solutions for cars, vans and other vehicles.

2. DIY USB Fast Chargers

Build custom USB charging units using a suitable DC power source and compatible enclosure.

3. Battery-Powered Projects

Use this module in suitable battery-powered systems where the available DC voltage remains within the specified 6V–32V input range.

4. Solar-Powered Charging Projects

Integrate the board into a properly regulated solar DC power system for USB charging applications.

5. Electronics Prototyping

Suitable for electronics students, hobbyists, technicians and engineers developing custom USB power supply circuits.

6. Portable Charging Solutions

Use it in custom portable power supply designs where compact size and USB Type-A connectivity are required.

Input Connection and Usage Instructions

The module has two DC input terminals marked on its PCB:

• IN+ : Positive DC input.
• IN− : Negative DC input.

Connect a suitable DC power source within the 6V–32V range, ensuring correct polarity.

After connecting the input supply, use a compatible USB charging cable to connect your device to the USB Type-A output.

For fast charging functionality, the connected device must support one of the charging protocols supported by the module.

Always ensure that the power supply can deliver sufficient input power for the intended output load.

Avoid reverse polarity, excessive input voltage, short circuits and inadequate cooling or ventilation.

Product Specifications

Package Contents

• 1 × MH-KC24 USB QC3.0 QC2.0 Fast Charger Module (24W)

Important Technical Notes

• Input voltage must remain within 6V–32V DC.
• Observe the correct input polarity.
• Fast charging requires a compatible charging device and protocol.
• Maximum output power is rated at 24W; actual performance depends on operating conditions.
• Output voltage and current profiles should be checked against the manufacturer’s technical specifications before designing a final application.
• A suitable DC power supply and USB cable are required and are not included unless specifically mentioned in the package contents.

Why Buy from Electrica?

Electrica provides electronic components, development modules, power supply solutions, DIY electronics accessories and tools for students, hobbyists, technicians and professional engineers.

We focus on providing practical electronic products for repair work, prototyping, embedded electronics and custom engineering projects.

Explore more electronic components and modules at:

Website: https://www.electrica.com.pk

WhatsApp: 03021239333

Choose Electrica for quality electronic products and reliable customer support.

 

USB Charging Technology Reference

Learn more about USB charging standards and USB technology from the official USB Implementers Forum website:

USB Implementers Forum – Official Website