The first Power Delivery specification defined six fixed power profiles for the power sources. PD-aware devices implement a flexible power management scheme by interfacing with the power source through a bidirectional data channel and requesting a certain level of electrical power, variable up to 5A and 20V depending on supported profile. The power configuration protocol can use BMC coding over the CC wire if one is present, or a 24MHz BFSK-coded transmission channel on the V BUS line. The intent is to permit uniformly charging laptops, tablets, USB-powered disks and similarly higher-power consumer electronics, as a natural extension of existing European and Chinese mobile telephone charging standards. This may also affect the way electric power used for small devices is transmitted and used in both residential and public buildings. [61] [62] The standard is designed to coexist with the previous USB Battery Charging specification. [63] Another cool thing about Type C is that it offers a bi-directional power supply; in other words, you can charge your smartphone from your laptop and vice versa.

So, USB 3.0 and USB 3.1 Gen 1 are essentially the same and have a top data transfer speed of 5 Gbps. Then, in July 2013, USB 3.1 Gen 2 was released, with its top data transfer speed at 10 Gbps. USB Sleep-and-Charge Ports". toshiba.com. Archived from the original on 14 December 2014 . Retrieved 21 December 2014. The Wireless Association Announces One Universal Charger Solution to Celebrate Earth Day" (Press release). CTIA. 22 April 2009. Archived from the original on 14 December 2010 . Retrieved 22 June 2010. USB 3.0 was launched in September 2007 and could handle a top speed of 5 Gbps. This was the third major update to USB standards (the previous updates were versions USB 1.0 and USB 2.0).Common charger: MEPs agree on proposal to reduce electronic waste". European Parliament. April 20, 2022. Archived from the original on April 22, 2022 . Retrieved April 20, 2022. Agreement on Mobile phone Standard Charger" (Press release). GSM World. Archived from the original on 17 February 2009. New EU standards for common mobile phone charger (press release), Europa, archived from the original on 3 January 2011 Connectors [ edit ] Comparison of legacy USB connector plugs, omitting the current standard Type-C plugs Pros Seem to Outdo Cons in New Phone Charger Standard". News.com. September 20, 2007 . Retrieved November 26, 2007.

But like any technology, USB or “Universal Serial Bus” (it’s quite a mouthful, isn’t it) has evolved a lot since its inception in 1995. As such, it is sometimes difficult and even overwhelming to understand and distinguish between terms like USB 3.0 vs. USB Type B. In this example, what does “Type B” mean exactly? How about “3.0”? What does that mean? The difference between male and female connectors - the two connector genders - is that one gets plugged in, while the other gets plugged into. a b Universal Serial Bus Cables and Connectors Class Document (PDF), Revision 2.0, USB Implementers Forum, August 2007, p.6, archived (PDF) from the original on April 27, 2015 , retrieved August 17, 2014 The USB1.1 standard specifies that a standard cable can have a maximum length of 5 meters (16ft 5in) with devices operating at full speed (12Mbit/s), and a maximum length of 3 meters (9ft 10in) with devices operating at low speed (1.5Mbit/s). [35] [36] [37] Oppo Super VOOC Flash Charge, are also known as Dash Charge or Warp Charge on OnePlus devices and Dart Charge on Realme devices

Please note:

How fast can a fast-charging phone charge if a fast-charging phone can charge really fast?". CNet . Retrieved December 4, 2016.

Battery Charging v1.2 Spec and Adopters Agreement" (Zip). USB Implementers Forum. March 15, 2012. Archived from the original on October 6, 2014 . Retrieved May 13, 2021. Universal Serial Bus Revision 3.0 Specification, Sections 3.1.1.1 and 5.3.1.3". Usb.org. Archived from the original (ZIP) on 19 May 2014 . Retrieved 28 April 2019. What Is the USB 3.0 Cable Difference". Hantat. May 18, 2009. Archived from the original on December 11, 2011 . Retrieved December 12, 2011. The standard connectors were designed to be more robust than many past connectors. This is because USB is hot-swappable, and the connectors would be used more frequently, and perhaps with less care, than previous connectors. Broad Manufacturer Agreement Gives Universal Phone Cable Green Light" (Press release). OTMP. September 17, 2007. Archived from the original on June 29, 2009 . Retrieved November 26, 2007.In addition to limiting the total average power used by the device, the USB specification limits the inrush current (i.e., the current used to charge decoupling and filter capacitors) when the device is first connected. Otherwise, connecting a device could cause problems with the host's internal power. USB devices are also required to automatically enter ultra low-power suspend mode when the USB host is suspended. Nevertheless, many USB host interfaces do not cut off the power supply to USB devices when they are suspended. [100]