AC to DC USB Fast Charging Board

AC to DC USB Fast Charging Board is a module with integrated power conversion and fast charging functions. It is dedicated to converting alternating current (AC) into stable direct current (DC) and provides safe and reliable fast charging functions for various terminal devices through the USB interface. Through advanced power management chips and efficient circuit design, this module has high conversion efficiency, multiple fast charging protocol support and good stability while maintaining a small size.

This onboard module is widely used in smart homes, portable devices, consumer electronics, embedded systems and other fields, and is an indispensable part of modern smart charging solutions.

Parameter:

Material:

PCB substrate material

FR4 epoxy glass fiber board is used, which has good insulation, thermal stability and mechanical strength, and is suitable for carrying high-density electronic components.

Conductive material

Copper foil is the main conductive layer, and the surface is usually tinned or gold-plated to ensure good electrical connection, anti-oxidation and strong conductivity.

Electronic components

Includes high-efficiency rectifier bridge, switching power supply chip, inductor, capacitor, MOS tube, synchronous rectifier module, thermistor, voltage sampling feedback circuit, etc. The quality determines the stability and life of the circuit.

Shell interface material

The USB interface usually uses nickel-plated metal shell or pure copper terminal, and the plastic shell part is mostly engineering plastics such as PC and ABS, which has flame retardant properties.

Application:

Charging of consumer electronic products such as mobile phones and tablets

The fast charging board is compatible with mainstream digital devices and provides efficient and stable 5V/9V/12V USB power output.

Power supply for smart home products

Widely used in power supply ports of smart speakers, security cameras, sensors, door locks and other devices.

On-board charging and energy storage system

Can be embedded in on-board inverters and car charging modules to achieve AC input USB fast charging in the car.

Industrial control and embedded development

Power supply to development boards such as Raspberry Pi, Arduino, STM32, etc., to improve the flexibility of modular applications.

Mobile power supply, power strip, wall plug

As the built-in power core, improve the integration of equipment and meet the user's fast charging needs.

Medical electronics and instrumentation equipment

Provide low-voltage stable output, in line with the high-stability power supply requirements for medical and testing equipment.

Features:

Multi-protocol fast charging support

Compatible with PD2.0/3.0, QC2.0/3.0, FCP, AFC and other protocols, automatically identify terminals, intelligently adjust output voltage and current, and charge faster.

Wide voltage input range

Supports 85V~265V AC voltage input, which can be used in different voltage standards around the world without external voltage converter.

Multi-port output design

Equipped with USB-A and USB-C output ports at the same time, it meets the needs of using multiple devices and multiple interfaces at the same time.

Stable output voltage and current

Constant voltage and constant current output is achieved through feedback control circuit, effectively protecting the battery life of terminal equipment.

High-efficiency power conversion rate

Up to 85%~90% conversion efficiency, reducing energy consumption and heat generation, and improving overall system stability and energy saving level.

Comprehensive protection mechanism

Including over-current, over-voltage, over-temperature, short-circuit and other protection functions to ensure the safe operation of modules and terminal equipment.

Small size and easy integration

Can be embedded in sockets, converters, charging stations, smart hardware, and adapt to a variety of industrial designs.

Advantages:

Cost control and high integration

Integrated module design reduces the number of wiring and accessories, facilitates standardized production and system integration, and reduces the manufacturing cost of the whole machine.

Wide compatibility

Supports charging of mainstream brand devices, suitable for smart terminals such as Android, Apple, Huawei, Xiaomi, etc.

Compact structure and strong adaptability

Can be applied to a variety of usage scenarios such as small spaces, portable devices, embedded terminals, etc.

Reliable working stability

No drift during long-term work, meeting the long-life working requirements of industrial and consumer grades.

Environmental protection and energy-saving standards compliance

The module complies with RoHS, CE, FCC and other certification standards, and meets the export needs of European, American and Southeast Asian markets.

Support customization and OEM/ODM

The voltage, current, number of interfaces and package size can be adjusted according to customer needs to meet diversified market applications.

FAQ:

What fast charging protocols does this module support?

Support PD2.0/3.0, QC2.0/3.0, FCP, AFC, etc. Some models can realize automatic protocol recognition and switching, and are widely compatible with mainstream devices.

Is it safe to use this module?

The module has multiple protection mechanisms such as overvoltage, overcurrent, overtemperature, and short circuit, and has passed electrical safety tests to ensure long-term safe operation.

Can it output multiple devices at the same time?

It supports multiple output ports such as 1A1C, 2A, but you need to pay attention to the total output power limit. Reasonable allocation of port use can ensure charging efficiency.

Is it suitable for high temperature environments?

It has good heat-resistant design and can work stably in an environment of 0℃~70℃. If there are special scenarios, you can choose a version with heat dissipation design.

Can it be integrated into household products such as socket strips and wall plugs?

The module is compact and supports embedded installation. It is an ideal power supply solution for smart sockets, wall plugs, and desktop fast charging devices.