What is USB
USB 3. V BUS and GND provide 5 V up to 900 mA, in accordance with the USB 3. 0 digital audio Audio Adapter Accessory Mode analog audio Moto Z2 Force, Sony Xperia XZ2, Huawei P20 Pro, LeEco, Xiaomi phones etc. 1 Gen 1 up to 5 Gbps• The sound quality is dependent on the phone's onboard DAC. But, can this be improved on even further? 0 Billboard Device Class is defined to communicate the details of supported Alternate Modes to the computer host OS. 0 Announced in June 2015 also carries or Announced in September 2016 Announced in July 2018 not yet standardized Other protocols like have been proposed. 0 cables, as it still features the pins used for these traditional data protocols. USB-C receptacle pin usage in different modes [ ] The diagrams below depict the pins of a USB-C socket in different use cases. Related USB-IF specifications [ ] USB Type-C Locking Connector Specification [ ] The USB Type-C Locking Connector Specification was published 2016-03-09. IEC 62680-1-3:2016 2016-08-17, edition 1. A third alternative is to establish a Power Delivery contract. Existing confusion of USB and propriety ports and connectors A Quick History of USB The 2 original names for Universal Serial Bus connectors were A and B, with male and female type connectors for each. The arrival of USB Type C connectors and the faster USB 3. Video output [ ] Currently, DisplayPort is the most widely implemented alternate mode, and is used to provide video output on devices that do not have standard-size DisplayPort or HDMI ports, such as smartphones and laptops. USB-C devices [ ] An increasing number of motherboards, notebooks, tablet computers, smartphones, hard disk drives, and other devices released from 2014 onwards feature USB-C receptacles. Alternate Mode protocol support matrix for USB-C cables and adapters Mode USB 3. querySelectorAll "::shadow link, ::shadow style". It defines a common interface from a USB-C Port Manager to a simple USB-C Port Controller. A look at the USB Type-C connector First, a quick history. 0 Billboard Device Class Specification [ ] USB 2. Rev 2. A number of audio and video modes are supported, setting up the connector to become a replacement for the and the HDMI cable. Overview [ ] USB-C connectors and cables connect to both hosts and devices, replacing various electrical connectors including and , HDMI, DisplayPort and 3. USB-C receptacle A pin layout Pin Name Description A1 GND Ground return A2 SSTXp1 SuperSpeed differential pair 1, TX, positive A3 SSTXn1 SuperSpeed differential pair 1, TX, negative A4 V BUS Bus power A5 CC1 Configuration channel A6 Dp1 USB 2. USB-C can transfer data at up to 10Gbps gigabits per second. 5 mm jack, providing four standard analog audio connections Left, Right, Microphone, and Ground. USB-C cables can deliver Ultra-HD 4K video resolution to USB-C and HDMI displays. But, this is still in the future. 1 and Thunderbolt specced connectors, offering up to 4K 60Hz 24-bit HDR playback, a maximum 8K resolution, and multi-channel audio. 2 , starting with the early 2015, supports USB 3. 0 data pins and one configuration pin can be used for alternate mode transmission. IS USB TYPE-C THE SAME AS USB 3. 0 5Gbps Host to peripheral Type-A to Type-B 5V, 1. 1 Type-C cable Adapter cable or adapter Construction USB DisplayPort Thunderbolt superMHL HDMI HDMI DVI-D Component video 3. Alternate Modes are optional; USB-C features and devices are not required to support any specific Alternate Mode. Most of the latest-model phones, tablets, laptops, and accessories now feature a USB Type C connection. These functions are sometimes implemented directly into the display instead of a separate dock, meaning a user connects their device to the display via USB-C with no other connections required. USB 3. But, that one port can do all the following —• Without any visible connectors or cables, mini and micro versions of the Type-B connector were developed to be more durable and compact for devices that fit in your pocket. If two high speed links remain unused, then a USB 3. 5 mm audio cables and connectors. A single connector with many features sounds great, but the optional nature of support makes it impossible to tell what a port or cable is capable of just by looking at it. 1 12Mbps Host to peripheral Type-A to Type-B 2. 1 link can be established concurrently to the Alternate Mode. USB4 Specification [ ] The specification released in 2019 is the first USB data transfer specification to require USB-C connectors. 1, USB-C, alternate modes, and power delivery. Performance• There are certification programs available for USB-C products and end users are recommended to use USB-IF certified cables. 3 14 July 2017 , section A, page 213. This can be used to augment the basic charging options with even higher power delivery all the way up to 100W. Smartphones, tablets, and laptops that are Power Delivery-enabled allow safe, faster charging and more power for larger devices, without the need of a separate power supply. When an active set of USB-C headphones or adapter is used, digital audio is sent through the USB-C port. 1 cables are considered full-featured USB-C cables. Bohn, Dieter 4 February 2016. One of the CC pins is used to negotiate the mode. In July 2016, it was adopted by the as "IEC 62680-1-3". Last updated on 4 Sep, 2018 The above article may contain affiliate links which help support Guiding Tech. The USB connector goes all the way back to 1996 with the USB Type-A connector that you will probably still find on your PC and laptop. But, when has that affected any sales figures of Apple products? The micro-USB port came along with USB 2. Modes [ ] Audio Adapter Accessory Mode [ ] A device with a USB-C port may support analog headsets through an audio adapter with a 3. In terms of speeds, USB Type-C was designed to offer the same speeds as USB 3. x uplinks in order to allow operation of both type devices connected to it. USB Type-A, B, micro, and mini all share the same basic internal connections it was just the port shaped that varies , with faster 3. On plug insertions, this will pull down both CC and VCONN in the plug CC1 and CC2 in the receptacle. 0 was published 2019-08 Adoption as IEC specification:• Native DisplayPort 1. It defines the mechanical requirements for USB-C plug connectors and the guidelines for the USB-C receptacle mounting configuration to provide a standardized screw lock mechanism for USB-C connectors and cables. Apple sure thought so, when they developed their , which is small and very durable. SBU1, SBU2 provide an additional lower speed link. , released in September 2017, replaces the USB 3. All USB-C cables must be able to carry a minimum of 3 A current at 20 V, 60 W but can also carry high-power 5 A current at 20 V, 100 W. Receptacles are found on devices and adapters. USB IF requires for certification that security and privacy consideration and precaution has been taken and that the user has actually requested that debug test mode be performed. They are not required to negotiate Alternate Modes and only appear when negotiation fails between the host source and device sink. , or USB PD, is a charging protocol that uses high speed USB-C connecters and cables. USB-C devices may optionally provide or consume bus power currents of 1. As many of the world's most recognized manufacturers are supporting this new technology, it is likely to be widely adopted. Evolution of USB connectors Recently, backwards compatible USB 3. References [ ]• Plugs are found on cables and adapters. wiring to Type-C male plug Figure A-2 of USB Type-C Cable and Connector Specification Release 1. from iPad Pro 3rd generation only onwards works with USB-C. Universal Serial Bus Type-C Cable and Connector Specification Revision 1. Phone reviewers are now disappointed if a new smartphone comes with a micro-USB port, … As you probably spotted on the diagram above, USB Type-C is backward compatible with USB 3. USB-C isn't just a new development. Because Thunderbolt can encapsulate DisplayPort data, every Thunderbolt controller can either output DisplayPort signals directly over "DisplayPort Alternative Mode" or encapsulated within Thunderbolt in "Thunderbolt Alternate Mode". 2 was published 2016-03-25• Mountains of defunct cables in landfills across the world motivated action for reform. And that the successor to the will also have a Type-C connector. It provides user readable strings with product description and user support information. 0 A at 5 V in addition to baseline bus power provision; power sources can either advertise increased USB current through the configuration channel, or they can implement the full USB Power Delivery specification using both BMC-coded configuration line and legacy -coded V BUS line. The SBU pins become a microphone pin MIC, and the analog ground AGND, the latter being a return path for both outputs and the microphone. Archived from PDF on 18 February 2017. The Samsung Galaxy S8 plugged into the DeX docking station. Some isolation method must be used. The content remains unbiased and authentic. Plus, as future devices are equipped with the new USB-C port, which is smaller than its predecessors, it's likely these devices will also be thinner and lighter than ever before. This mode also allows concurrent charging of a device exposing the analog audio interface through V BUS and GND , however only at 5 V and 500 mA, as CC pins are unavailable for any negotiation. 5 m due to limitations of current cable technology. 1 were developed at the same time, they are not the same thing. While USB Type-C is the official name for the standard, mainstream usage often drops down to just USB C. Finally, again works with USB 2. V CONN must not traverse end-to-end through the cable. 1, USB-C, alternate modes, billboard device class, power delivery and USB Dual-Role. 1 device to a USB-C host, use of Rd on the CC pins is required, as the source host will not supply V BUS until a connection is detected through the CC pins. USB-C receptacle on an MSI laptop USB-C formally known as USB Type-C is a 24-pin connector system with a rotationally symmetrical. Active adapters with a built-in DAC have near-universal support for devices that output digital and analog audio, adhering to the Audio Device Class 3. Burke, Steve 25 March 2019. There's no up or down orientation so it works regardless of which way you plug it in. 0, offering significantly faster data transfer. 1, USB-C, alternate modes, power delivery, and USB Dual-Role support. querySelectorAll "link, style". All Thunderbolt 3 controllers both support "Thunderbolt Alternate Mode" and "DisplayPort Alternate Mode". One of the CC pins is used to perform all the negotiation. Helpful Tip: Go through our to know how to optimize connections for USB peripherals Is This the Future? This allows for charge-through hub or applications where the USB-C device acts as a USB data host while acting as a power consumer rather than a source. 0 in 2000 and was the connector port of choice for the vast majority of portable gadgets until USB Type-C came along in 2014. There are primarily two types of USB-C adapters active adapters with , passive adapters without DACs and two modes of audio output from devices phones without onboard DACs that send out digital audio, phones with onboard DACs that send out analog audio. After entering debug accessory mode, optional orientation detection via the CC1 and CC2 is done via setting CC1 as a pullup of Rd resistance and CC2 pulled to ground via Ra resistance From the test system type-c plug. The bottom line is that USB Type-C devices should enable faster data transfers and charge times than previous models. These are enabled via Alternate Mode which frees up the SBU and high-speed data pins for use with other standards. USB Type-C Port Controller Interface Specification [ ] The USB Type-C Port Controller Interface Specification was published 2017-10-01. adapters with a USB-A or USB-B plug with a USB-C receptacle are "not defined or allowed" by the specification because they can create "many invalid and potentially unsafe" cable combinations. x connection is active, but devices like hubs open simultaneous 2. , DisplayPort, HDMI, VGA or DVI. Archived from PDF on 20 December 2016. 0 Type-C cable wiring Plug 1, USB Type-C USB Type-C cable Plug 2, USB Type-C Pin Name Wire color No Name Description 2. The original USB connectors did propel the technology to a much larger audience over the years, but it did have its limitations. The four high-speed lanes, two side-band pins, and for dock, detachable device and permanent cable applications only two USB 2. USB Type-C pushes the power delivery even further when connecting two of the ports together, with options for 1. These USB-C cables only support 2. When a defective USB-C cable or power source is used, the voltage seen by a USB-C device can be different from the voltage expected by the device. 0 and Audio Adapter Accessory Mode specifications. Cables with this issue may not work properly with certain products, including Apple and Google products, and may even damage power sources such as chargers, hubs, or PC USB ports. In addition to the default power options, Type-C devices can be fully compatible with the specifications. The switch to USB Type-C should have simplified this complicated situation, ensuring that newer devices all operate with the fastest possible speeds. Wrap up As you can see from all of the above, USB Type-C is a complicated connector and not just in its physical designs. List of Alternate Mode partner specifications Logo Name Date Protocol Published in September 2014 , Announced in November 2014 1. Leswing, Kif 5 November 2015. This resistance must be less than 800 ohms which is the minimum "Ra" resistance specified in the USB Type-C specification. The USB-C, or Type-C connector is user friendly. The idea of new technology that embraces future proofing for environmental reasons is groundbreaking. Audio Adapter Accessory Mode [ ] In this mode, all digital circuits are disconnected from the connector, and certain pins become reassigned for analog outputs or inputs. Besides Apple, who are hellbent on working on their Thunderbolt ports for their computing offerings, pretty much everyone else will move to USB Type-C in the near future. 5 mm headphone jack adapters by Apple, Google, Essential, Razer, HTC. See also: An Alternate Mode dedicates some of the physical wires in a USB-C 3. The Belkin USB-C Cable collection has the perfect cable or adapter to bridge the gap between USB-C and existing USB devices. Return Policy:. 0 differential pair, position 1, positive A7 Dn1 USB 2. Things do get a little complicated here though, as there are multiple different standards and protocols that can be used to power USB devices. Qualcomm responded that it is possible to make fast charge solutions fit the voltage demands of USB-C and that there are no reports of problems; however, it did not address the standard compliance issue at that time. Cunningham, Andrew 9 January 2015. In addition to power and data, USB Type-C is designed to support a wide variety of different modes and standards too, positioning it as a one-size-fits-all solution for a selection of technologies. Other devices may have fallback mode to 2. 0 cables and ports boasting an extra high-speed data lane. Hruska, Joel 13 March 2015. Passive adapters without a built-in DAC are only compatible with devices that output analog audio, adhering to the Audio Adapter Accessory Mode specification. A device with a Type-C connector does not necessarily implement USB, , or any : the Type-C connector is common to several technologies while mandating only a few of them. 0 differential pair, position 2, positive B5 CC2 Configuration channel B4 V BUS Bus power B3 SSTXn2 SuperSpeed differential pair 3, TX, negative B2 SSTXp2 SuperSpeed differential pair 3, TX, positive B1 GND Ground return• 1 can be transmitted simultaneously when the video signal bandwidth requires two or fewer lanes. Connecting an older device to a host with a USB-C receptacle requires a cable or adapter with a USB-A or USB-B plug or receptacle on one end and a USB-C plug on the other end. Alternate Mode partner specifications [ ] As of 2018, five system-defined Alternate Mode partner specifications exist. In other words, headsets with a USB-C plug should always support digital audio and optionally the accessory mode. The USB-C connector is being widely adopted by manufacturers including Apple, Google and Microsoft. That's 4 times the resolution of standard high definition. t return[];if a t return c t? USB-C to USB-C cables supporting 5A current must contain e-marker chips also marketed as E-Mark chips programmed to identify the cable and its current capabilities. HDMI video output using USB-C Digital AV Multiport Adapter The New Macbooks with USB Type-C port Apple may have lost a trick by adding just one USB Type-C port on their new Macbook, especially considering the same port will be used for charging as well as connecting any other accessory to it. The Universal Serial Bus Type-C Cable and Connector Specification is included in a set of USB documents which can be downloaded from. The USB Implementers Forum is working with its Alternate Mode partners to make sure that ports are properly labelled with respective logos. It has loads of functionality too. Also due to the fine pitch of the USB-C receptacle, the VBUS pin from the cable may contact with the CC pin of the USB-C receptacle resulting in a short-to-VBUS electrical issue due to the fact that the VBUS pin is rated up to 20 V while the CC pins are rated up to 5. 0 lanes and the configuration channel lane, so USB 2. Hence, the source host does not require any connection management circuitry, but it lacks the same physical connector so therefore USB-C is not backward compatible. 1 was published 2015-04-03• Later in the year, Qualcomm released Quick Charge 4 technology, which cited — as an advancement over previous generations — "USB Type-C and USB PD compliant". In the last couple of years, USB-C has gone from something we'd only see on flagships to becoming the current standard. It was developed at roughly the same time as the specification. Archived from PDF on 16 August 2017. Take the example of the new Macbook that was released by Apple. 0 data speeds over this new connector. Opam, Kwame 5 November 2015. Examples of such active adapters include external and DACs that do not require special drivers, and USB-C to 3. IEC 62680-1-3:2017 2017-09-25, edition 2. The USB Type-C Specification 1. 3 was published 2017-07-14 release date included in Rev. Video over the connector can come in a number of different forms, these include HDMI, superMHL, and DisplayPort standards. Universal Serial Bus Type-C Cable and Connector Specification Release 1. 0 480Mbps Host to peripheral Type-A to Type-B 2. This is essentially a direct connection to USB digital ground. USB Type-C in a Glance Of course, more than anything, the new design gives a much needed relief to users who needed different type of cables for different devices. Archived from PDF on 14 August 2014. However, there seems to be quite a bit of confusion about what these … In addition, the Type-C connector is also used by the Thunderbolt 3 standard. Your new USB-C device such as a laptop will still be compatible with all your existing devices smartphones, tablets, mouse, printer, etc. , released in 2019, is the first USB transfer protocol standard that is only available via USB-C. Some, such as , can take either role depending on what kind is detected on the other end. 3 14 July 2017 , Revision History, page 14. The mode, if supported, is entered when both CC pins are shorted to GND. An additional low band bidirectional channel other than SBU may share that CC pin as well. USB-C plug pinout end-on view Cables [ ] Full-featured USB 3. 0 dramatically increasing speeds when it was launched. Up to a 100W of power, so that you can power a monitor, or charge your laptop off of it. However, due to demands for backward compatibility only fully featured USB Type-C ports and cables guarantee USB 3. 0 "Universal serial bus interfaces for data and power — Part 1-3: Common components — USB Type-C Cable and Connector Specification" Receptacles [ ] The receptacle features four power and four ground pins, two for data though they are connected together on devices , four shielded differential pairs for data two transmit and two receive pairs , two Sideband Use SBU pins, and two Configuration Channel CC pins. added USB-C and billboard support in an update. Although Apple might ditch their lightning port for the Type-C for their iPhones, even though Thunderbolt 2 with four times the data carrying capacity compared to USB Type-C will be retained for their Mac line of products. USB-C is not backward compatible, however we offer USB-C cables and adapters for your every need. From laptops to large high-resolution monitors, even some printers. Type: Cables - USB Cables• For audio, the connector supports digital audio via the USB Audio Class specification, of which version 3. 0 was published by the USB-IF and was finalized in August 2014. Using these cables would have a potential consequence of damaging devices that they are connected to. The Future of USB-C• Two kinds of connectors exist, female receptacle and male plug. The presence of the audio accessory is signalled through the configuration channel and V CONN. A mini USB cable for an external drive, a micro and full-sized USB cable for other accessories.。 。 。
18
