With the popularity and enhanced functionality of smartphones, there is an increasing demand for charging cables and higher requirements for charging and battery life. Traditional charging cables often have problems such as slow charging speed and easy damage, which bring inconvenience to users. The emergence of the shared charging cable PD fast charging provides users with a more convenient and efficient charging experience. With PD fast charging technology, the charging speed is faster and safer, and you can also enjoy the convenience of the sharing economy. Choose the shared charging cable PD fast charging to make charging easier and more efficient!

 

What is the PD charging?

PD is known as power delivery. PD charging is a new fast charging technology realized through a Type-C port. Behind the PD charging technology are energy-efficient converters and advanced communication protocols.PD charging technology uses DC fast charging technology to quickly charge mobile devices.The most important feature of PD charging technology is that it supports fast charging and power transfer.

 

The basic principle of PD charging

PD charging requires a "heart" responsible for controlling the protocol - CC, which includes two parts, CC1 and CC2. In PD charging technology, CC is controlled by a smarter chip to ensure more accurate signal processing and data transmission. During PD charging, the device sends a piece of initialization protocol to tell the charger what to expect about charging. At this point, the charger responds and returns a response containing the maximum charging power.

 

Characteristics of PD charging

1,Fast charging

PD charging technology supports up to 100W output power with high charging speed, which can quickly charge all kinds of mobile devices and solve the problem of insufficient cell phone power in daily life.

2, Multi-device charging

PD charging technology also supports multi-device charging at the same time, can provide fast and efficient charging service for different devices, improve the charging efficiency, bring users a better experience.

3,Smarter and safer

PD charging technology adopts advanced communication protocols and chip design, which can intelligently recognize the information of the connected devices and automatically adjust the charging current and voltage, thus ensuring a safer and more reliable charging experience.

4,Application Scenarios of PD Charging

PD charging technology can be widely used in the field of all kinds of mobile devices, such as:

• Mobile terminal devices such as smartphones and tablet PCs;
• Portable computers such as laptops;
• Household devices, such as smart home, smart lamps and smart audio;
• Automotive electronic devices, such as car navigation, car phone and so on.

 

Is PD the same as USB C?

USB PD and USB C are actually two different things.

The full name of USB PD should be called USB Power Delivery Specification, which is a fast charging standard introduced by the standardization organization of USB.USB PD is a rule that allows USB cables to be charged quickly, which allows USB cables to transmit data while also transmitting up to 100W of power, which is a lot faster than ordinary USB cables. much faster.USB PD has been developed for a few years, and now the latest version is 3.0, which can support many different fast charging solutions, such as Qualcomm's QC, OPPO's VOOC, OnePlus's Dash, and so on. This way, you don't have to worry about problems charging your phone or computer with different USB cables, as long as they all follow the rules of USB PD, they are compatible. Also, Google has said that if you want to use fast charging, you have to use the rules of USB PD, so that makes it uniform and less messy for everyone.

 

USB Type-C, on the other hand, is a positive and negative USB interface form.USB interface forms can be divided into USB Type-A, USB Type-B, USB Type-C,USB Type-A and USB Type-B there are also two different specifications of the interface form, respectively, USB Mini-A (B) and USB Micro-A (B) USB Mini-A(B) and USB Micro-A(B).

USB Type-C features reversible insertion direction and cable direction, and the plug height is only 2.4mm, which perfectly solves some of the major problems of traditional USB, including: (1) must be inserted in the positive direction; (2) Fixed cable direction-Type-A connectors must be connected to the upstream device, and Type-B connectors must be connected to the downstream devices; and (3) large connector size, which prevents the realization of ultra-thin industrial designs.

 

USB PD is a fast charging protocol, Type-C is a connector interface, they are two completely different concepts. 

So what's the relationship between USB PD and USB Type-C?

Actually, they can be used in combination, which allows your USB cable to both charge and transfer data and video quickly. There are two pins CC1 and CC2 in Type-C, which serve as configuration channels for PD communication.The USB Type-C interface can handle up to 3A of current with a passive cable, which means up to 15W (5V*3A), which is enough for some applications. However, if high power is required, a fast charging protocol must be deployed, such as USB PD, QC, and other fast charging protocols.

 

If the Type-C interface does not support the USB PD standard, it means that the maximum voltage supported by the device is 5V, the maximum current is 1.5A, basically "goodbye" to fast charging. Therefore, Type-C ports that do not support the USB PD protocol can not be used for PCs, cell phone hosts, Dock, Dongle, chargers, mobile power and other devices, but can be used for simple peripherals such as USB flash drives.

 

A device with a Type C port that supports the USB PD standard can support up to 20V/5A, which is 100W of efficiency, but due to cost considerations, most charging devices only support less than 60W, with the majority being designed for 27W, 36W, or 45W. 60W or more charging power means 3A or more charging current, which requires the introduction of more expensive cables; Charging adapters above 65W require the introduction of PFC technology, and the power components of the charging adapter will be more expensive.

 

Chargers that support the USB PD protocol use the Type-C connector as the output because USB Type-C has new features that the common USB-A connector does not have, such as: support for forward and reverse insertion, support for stronger power transfer (up to 100W), and faster transfer speeds (up to 10Gbps), etc., which is the reason why more and more Android phones and Apple's Macbooks are starting to use the Type-C connector. This is also the reason why more and more Android cell phones and Apple's Macbook have started to use the Type-C connector. USB-PD fast charging protocol, undoubtedly, the most important thing to use it as the output interface is the maximum power of 100W this characteristic, although USB3.1 under the USB-A can also be done, but the size is too large. Comparatively speaking, Type-C interface becomes the perfect choice to meet the mainstream of the times, in today's electronic devices are getting thinner and lighter.

 

Type-C interface adheres to the USB protocol plugging standard, which makes the technology of PD charging better guaranteed in terms of reliability and safety. Therefore, the promotion of PD charging technology cannot be separated from the support of Type-C.

 

PD Protocol Fast Charging Advantages

 

The USB-PD fast charging protocol allows for increased power delivery through USB cables and connectors, extending the cable bus power capability in USB applications to increase the charging voltage or current, and freely changing the direction of power delivery.

The Type-C connector supports a maximum of 15W (5V/3A) by default, but with the implementation of the USB-PD protocol, it is possible to support a maximum output power of 100W (20V/5A). Therefore, many devices that utilize the Type-C connector now support the USB PD protocol.

 

Compare	QC3.0	USB PD
Device（Simultaneously）	4	15+
Max Power	60W	100W
Compared to 5w（%）	70%	70%
Compatible Device	Snapdragon	All
Interface	USB-C/USB-A	Type-C

 

 

Niuess Portable Solar Power Generator

PD charging is not only fast, but also safe. It adopts advanced power management technology, which can monitor the power, temperature, voltage and other status of the device in real time, and according to the feedback from the device, it automatically adjusts the output voltage and current, avoiding the problems of over-charging, over-discharging, over-heating and short-circuiting, and protects the battery and circuit of the device to extend the life of the device. High safety.Niuess PD charging's bidirectional fast charging can not only fast charge the device, but also fast charge the portable outdoor power supply, realising the function of bidirectional fast charging. In this way, the charging time of the portable outdoor power supply can be greatly reduced and the efficiency of the power supply can be improved.

 

FAQ:

Is PD charging better than fast charging?

Both methods aim to expedite charging, but their efficiency can vary based on device-charger compatibility and technology adherence.

 

Is PD charging safe?

Yes,PD charging is designed with safety features and protocols, but using certified and genuine charging accessories is essential to ensure safe and efficient charging experiences.

Can I plug USB-C into PD?

Yes,USB-C is a versatile connector that supports various protocols, including USB PD.

 

What voltage is PD charging?

Ranging from 5 volts (V) up to 20 volts (V) and beyond, depending on the negotiation between the charger and the connected device.

 

Why is USB-C called PD?

Because it is a power transfer technology, it can be used for devices that need electricity.