Amazon Basics 2.0 USB-A Male to Mini USB Cable, 1.8 m / 6 Feet, Black

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USB Power Delivery — Introduction" (PDF). July 16, 2012. Archived (PDF) from the original on January 23, 2013 . Retrieved January 6, 2013. A bus-powered hub is a high-power device providing low-power ports. It draws 1 unit load for the hub controller and 1 unit load for each of at most 4 ports. The hub may also have some non-removable functions in place of ports. A self-powered hub is a device that provides high-power ports by supplementing the power supply from the host with its own external supply. Optionally, the hub controller may draw power for its operation as a low-power device, but all high-power ports must draw from the hub's self-power. New EU standards for common mobile phone charger (press release), Europa, archived from the original on 3 January 2011 Connector properties [ edit ] Non-standard "USB extension cable", plug on the left, receptacle on the right. (USB does not allow extension cables. Non-standard cables may work but cannot be presumed reliable.) 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.

Waters, Deric (July 14, 2016). "USB Power Delivery 2.0 vs 3.0". E2E.TI.com. Archived from the original on July 30, 2017 . Retrieved July 30, 2017.

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Mini-USB connectors were introduced together with USB 2.0 in April 2000, for use with smaller devices such as digital cameras, smartphones, and tablet computers. The Mini-A connector and the Mini-AB receptacle connector have been deprecated since May 2007. [11] Mini-B connectors are still supported, but are not On-The-Go-compliant; [12] the Mini-B USB connector was standard for transferring data to and from the early smartphones and PDAs. Both Mini-A and Mini-B plugs are approximately 3 by 7mm (0.12 by 0.28in). The Mini-AB receptacle accepts either a Mini-A or Mini-B plug. What is the difference between my USB Mini B and Mini A cables? Do they have the same performance when plugged between my external hard drive and my computer? If not, which type would be better and how? Micro-USB was endorsed as the standard connector for data and power on mobile devices by the cellular phone carrier group Open Mobile Terminal Platform (OMTP) in 2007. [17] How to configure the system to charge devices over USB port when it is off - idea/Lenovo laptops - NL". support.lenovo.com . Retrieved April 7, 2020.

Portable devices having a USB On-The-Go port may want to charge and access a USB peripheral simultaneously, yet having only a single port (both due to On-The-Go and space requirement) prevents this. Accessory charging adapters (ACA) are devices that provide portable charging power to an On-The-Go connection between host and peripheral. The Micro plug design is rated for at least 10,000 connect-disconnect cycles, which is more than the Mini plug design. [13] [16] The Micro connector is also designed to reduce the mechanical wear on the device; instead, the easier-to-replace cable is designed to bear the mechanical wear of connection and disconnection. The Universal Serial Bus Micro-USB Cables and Connectors Specification details the mechanical characteristics of Micro-A plugs, Micro-AB receptacles (which accept both Micro-A and Micro-B plugs), Double-Sided Micro USB, and Micro-B plugs and receptacles, [16] along with a Standard-A receptacle to a Micro-A plug adapter. USB-IF Introduces Fast Charging to Expand its Certified USB Charger Initiative". January 9, 2018 . Retrieved January 10, 2018. As of USB Power Delivery specification revision2.0, version1.2, the six fixed power profiles for power sources have been deprecated. [67] USB PD Power Rules replace power profiles, defining four normative voltage levels at 5V, 9V, 15V, and 20V. Instead of six fixed profiles, power supplies may support any maximum source output power from 0.5W to 100W.In June 2009, the European Commission organized a voluntary Memorandum of Understanding (MoU) to adopt micro-USB as a common standard for charging smartphones marketed in the European Union. The specification was called the common external power supply. The MoU lasted until 2014. The common EPS specification (EN 62684:2010) references the USB Battery Charging Specification and is similar to the GSMA/OMTP and Chinese charging solutions. [94] [95] In January 2011, the International Electrotechnical Commission (IEC) released its version of the (EU's) common EPS standard as IEC 62684:2011. [96] If the plugs look exactly the same (shape - not color) then they are either both mini-A or both mini-B. PoweredUSB is a proprietary extension that adds four pins supplying up to 6A at 5V, 12V, or 24V. It is commonly used in point of sale systems to power peripherals such as barcode readers, credit card terminals, and printers. Universal Serial Bus 1.1 Specification" (PDF). cs.ucr.edu. 23 September 1998. pp.150, 158. Archived (PDF) from the original on 2 January 2015 . Retrieved 24 November 2014. a b "10 Power Rules", Universal Serial Bus Power Delivery Specification revision2.0, version1.2, USB Implementers Forum, 25 March 2016, archived from the original on 1 June 2012 , retrieved 9 April 2016

Cai Yan (31 May 2007). "China to enforce universal cell phone charger". EE Times. Archived from the original on 29 September 2007 . Retrieved 25 August 2007. Technical Introduction of the New USB Type-C Connector". Archived from the original on December 29, 2014 . Retrieved December 29, 2014. Axelson, Jan. "USB 3.0 Developers FAQ". Archived from the original on December 20, 2016 . Retrieved October 20, 2016. Universal phone charger standard approved—One-size-fits-all solution will dramatically cut waste and GHG emissions". ITU (press release). Pressinfo. 22 October 2009. Archived from the original on 5 November 2009 . Retrieved 4 November 2009.

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The initial versions of the USB standard specified connectors that were easy to use and that would have acceptable life spans; revisions of the standard added smaller connectors useful for compact portable devices. Higher-speed development of the USB standard gave rise to another family of connectors to permit additional data paths. All versions of USB specify cable properties; version 3. x cables include additional data paths. The USB standard included power supply to peripheral devices; modern versions of the standard extend the power delivery limits for battery charging and devices requiring up to 240 watts. USB has been selected as the standard charging format for many mobile phones, reducing the proliferation of proprietary chargers. Upstream USB connectors supply power at a nominal 5 V DC via the V_BUS pin to downstream USB devices. The thinner Micro-USB connectors were intended to replace the Mini connectors in devices manufactured since May 2007, including smartphones, personal digital assistants, and cameras. [15] The OTG device with the A-plug inserted is called the A-device and is responsible for powering the USB interface when required, and by default assumes the role of host. The OTG device with the B-plug inserted is called the B-device and by default assumes the role of peripheral. An OTG device with no plug inserted defaults to acting as a B-device. If an application on the B-device requires the role of host, then the Host Negotiation Protocol (HNP) is used to temporarily transfer the host role to the B-device. 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.

Established in 1932, our range has steadily expanded over the years and we’re now proud to bring you a comprehensive range of computer and AV connection technologies. As of 14June2007 [update], all new mobile phones applying for a license in China are required to use a USB port as a power port for battery charging. [83] [84] This was the first standard to use the convention of shorting D+ and D− in the charger. [85] OMTP/GSMA Universal Charging Solution [ edit ] a b c "USB Power Delivery Specifications 2.0 and 3.1" (PDF (Zipped)). USB.org. October 26, 2021. Archived (PDF (Zipped)) from the original on November 3, 2021 . Retrieved November 3, 2021. Note that a mini-AB receptacle accepts both mini-A and mini-B cables. So if your cables really have different plugs than they can be used interchangeably only if all your devices have mini-AB receptacles. In May 2021, the USB PD promoter group launched revision 3.1 of the specification. [58] Revision 3.1 adds Extended Power Range (EPR) mode which allows higher voltages of 28, 36, and 48 V, providing up to 240 W of power (48 V at 5 A), and the "Adjustable Voltage Supply" (AVS) protocol which allows specifying the voltage from a range of 15 to 48 V in 100 mV steps. [71] [72] Higher voltages require electronically marked EPR cables that support 5 A operation and incorporate mechanical improvements required by the USB Type-C standard rev. 2.1; existing power modes are retroactively renamed Standard Power Range (SPR). In October 2021 Apple introduced a 140 W (28 V 5 A) GaN USB PD charger with new Macbooks. [73]Full-featured USB-C 3.1 cables are electronically marked cables that contain a full set of wires and a chip with an ID function based on the configuration data channel and vendor-defined messages (VDMs) from the USB Power Delivery 2.0 specification. USB-C devices also support power currents of 1.5A and 3.0A over the 5V power bus in addition to baseline 900mA; devices can either negotiate increased USB current through the configuration line or they can support the full Power Delivery specification using both BMC-coded configuration line and legacy BFSK-coded V BUS line. [ citation needed] a b c "Universal Serial Bus Micro-USB Cables and Connectors Specification" (PDF). USB Implementers Forum. April 4, 2007. Archived (PDF) from the original on November 15, 2015 . Retrieved January 31, 2015. The 24-pin double-sided connector provides four power–ground pairs, two differential pairs for USB2.0 data (though only one pair is implemented in a USB-C cable), four pairs for SuperSpeed data bus (only two pairs are used in USB 3.1 mode), two "sideband use" pins, V CONN +5V power for active cables, and a configuration pin for cable orientation detection and dedicated biphase mark code (BMC) configuration data channel. [27] [28] Type-A and Type-B adaptors and cables are required for older hosts and devices to plug into USB-C hosts and devices. Adapters and cables with a USB-C receptacle are not allowed. [29] Some USB devices require more power than is permitted by the specifications for a single port. This is common for external hard and optical disc drives, and generally for devices with motors or lamps. Such devices can use an external power supply, which is allowed by the standard, or use a dual-input USB cable, one input of which is for power and data transfer, the other solely for power, which makes the device a non-standard USB device. Some USB ports and external hubs can, in practice, supply more power to USB devices than required by the specification but a standard-compliant device may not depend on this. Commission welcomes new EU standards for common mobile phone charger". Press Releases. Europa. December 29, 2010. Archived from the original on March 19, 2011 . Retrieved May 22, 2011.