USB PD（Power Delivery，即电源传输）是一种先进的快速充电标准，支持通过 USB 连接进行各种功率传输。它的前身 USB（Universal Serial Bus，通用串行总线）是 20 世纪 90 年代末的一项伟大发明，彻底改变了我们连接设备与计算机的方式。在此之前，我们使用各种串行和 ...

With the growing number of devices that most people use today, be it smartphones, smartwatches, laptops, wireless earbuds, and other gadgets, charging them quickly and efficiently becomes important.

ST USB PD控制器引入混模专利新技术，降低高级功能的软件开发难度；ST更新专有AUTORUN算法，基本充电操作无需软件。 2026 年 2 月 2 日，中国——意法半导体STUSB4531 USB输电(PD)受电(sink)控制器引入一种新的混合模式，这项专利技术可简化USB PD 选配功能的设计 ...

The Universal Serial Bus (USB) started out as a data interface, but it didn’t take long before progressing to powering devices. Initially, its maximum output was only 2.5 W; now, it can deliver up to ...

艾睿电子（Arrow Electronics）与英飞凌(Infineon Technologies）联合发布REF_ARIF240GaN参考设计，该设计支持 USB Power Delivery(PD)快充3.2协议，可实现高达 240W 的功率输出, 适用于有高性能、高能效需求的紧凑型电池供电电机控制应用。此次发布进一步扩充了艾睿电子与 ...

Over the last few years, the USB Type-C® with Power Delivery (PD) standard has been adopted in a wide variety of electronics. This adoption has been driven by benefits such as a unified port (reducing ...

As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. This DIY USB-C PD tool, sent in by [ludwin], ...

If you want to charge your iPhone 12 using MagSafe, Apple recommends using certain 20W AC adapters — and they don't need to come from Apple, despite what you may have heard. We explain what the ...