PD Controller: Understanding the Differences Between PD1.0, PD2.0, PD3.0, and PD3.1

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Basic Interface Parade Technologies

About PD (Power Delivery)

USB PD (Power Delivery) is a standard developed to improve the power supply capability of USB Type-C. The USB PD market continues to expand. Target devices include smartphones, laptops, wireless speakers, and power tools. In addition, it is being adopted in various battery-powered portable electronic devices. By adopting USB PD, you can supply up to 240W of power (for USB PD3.1) using a USB Type-C connector. In addition, data communication in Alternate Mode and data role (USB host and device swapping) are possible. Utilizing Power Delivery can contribute to increasing the number of compatible devices and shortening charging times.

With USB PD, you can charge a 2.5W smartphone and a 25W cordless power drill using the same power adapter and cable. There's no need to have a different adapter or cable for each device. This is one of the major benefits of the standard. The provision of a versatile power supply system by USB PD will help reduce the number of adapters and cables used in the home.

History of Power Delivery (PD)

This article describes the history of PD (Power Delivery).

USB PD2.0

USB PD2.0 was released in August 2014. It not only specifies the USB Type-C interface as the only standard interface, but also adds more functions to this interface, such as charging, data transmission, audio broadcasting, etc. In terms of charging, USB PD2.0 defines the support for 5V3A, 9V3A, 12V3A, 15V3A and 20V5A output, and the maximum charging power is 100W.

USB PD3.0

USB PD3.0 was released in November 2015. Compared with USB PD2.0, USB PD3.0 has three main changes. It adds a detailed description of the device's built-in battery characteristics, and adds the ability to identify the device's software and hardware versions and update the software through PD communication. It also adds electronic ticket and electronic signature functions. In terms of charging, it defines support for 5V3A, 9V3A, 12V3A, 15V3A and 20V5A output, just like USB PD2.0, and the maximum charging power is 100W.

USB PD3.0 PPS

The USB-IF Association released a significant update to USB PD3.0 in February 2017, adding the programmable power supply (PPS) based on USB PD3.0.

USB PD3.1

USB PD3.1 was released in May 2021. The USB PD3.1 fast charging standard is actually an update based on USB PD3.0 PPS fast charging. The USB PD3.1 fast charging specification divides the power into two ranges: standard power range (abbreviated as SPR) and extended power range (abbreviated as EPR). The standard power range is the currently mainstream USB PD3.0 PPS fast charging standard in the market, and the maximum charging power remains at 100W, while the three newly added voltages of 28V, 36V, and 48V belong to the extended power range. The maximum output current is 5A, and the maximum output power reaches 240W.

Below is a comparison table of PD1.0, PD2.0, PD3.0, PD3.0 PPS and PD3.1 for your reference.

Year of publication	year 2012	2014	2015	2017	2021
USB Standards	PD1.0	PD2.0	PD3.0	PD3.0+PPS	PD3.1
USB Connector	Type-A Type-B	Type-C	Type-C	Type-C	Type-C
output	NAMore	5V/3A 9V/3A 15V/3A 20V/2.25A 20V/3A 20V/5A	5V/3A 9V/3A 15V/3A 20V/2.25A 20V/3A 20V/5A	5V/3A 9V/3A 15V/3A 20V/2.25A 20V/3A 20V/5A [PPS]: 3.3V～5.9V/3A 3.3V～11V/3A 3.3V～16V/3A 3.3V～21V/3A 3.3V～21V/5A	5V/3A 9V/3A 15V/3A 20V/3A 20V/5A [PPS]: 3.3V～5.9V/3A 3.3V～11V/3A 3.3V～16V/3A 3.3V～21V/3A 3.3V～21V/5A [EPR]: 28V/5A 36V/5A 48V/5A [AVS]: 15V～28V/5A 15V～36V/5A 15V～48V/5A

Click here for Parade's PD controller products

Parade's PD controllers include the FL7112 and FL7102, both of which support PD3.0 PPS. In addition, the PD controller currently under development is the PS5513, which will support PD3.1. It is scheduled for Q4/2024 ES. For more information on the PD controller products, please see below.

USB Type-C® PD3.0 Controller