{"id":14022,"date":"2022-08-01T10:52:31","date_gmt":"2022-08-01T10:52:31","guid":{"rendered":"http:\/\/www.max-sperling.bplaced.net\/?p=14022"},"modified":"2025-01-10T10:51:02","modified_gmt":"2025-01-10T10:51:02","slug":"usb-standards","status":"publish","type":"post","link":"http:\/\/www.max-sperling.bplaced.net\/?p=14022","title":{"rendered":"USB standards"},"content":{"rendered":"

USB is used everywhere today. Its main applications are charging and data transfer (MSD, MTP, A&V). It started with flash drives, then mice and keyboards, to smartphones and these days also screens.<\/p>\n

\n

Standards<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n <\/colgroup>\n\n\n\n\n\n\n\n\n\n
Year<\/th>\nName<\/th>\nVolt.
(DC)<\/th>\n		Current (max)<\/th>\nPower (max)<\/th>\nData rate (max)<\/th>\nMarketing name<\/th>\nCon-nectors<\/th>\n<\/tr>\n
1996<\/td>\nUSB 1.0<\/td>\n5 V<\/td>\n0.1 A<\/td>\n0.5 W<\/td>\n12 Mb\/s<\/td>\nFS<\/td>\nA1,2<\/sup>,
B1,2<\/sup>,
C<\/td>\n<\/tr>\n
1998<\/td>\nUSB 1.1<\/td>\n<\/tr>\n
2000<\/td>\nUSB 2.0<\/td>\n5 V<\/td>\n0.5 A<\/td>\n2.5 W<\/td>\n480 Mb\/s<\/td>\nHS<\/td>\nA1,2<\/sup>,
B1,2<\/sup>,
C<\/td>\n<\/tr>\n
2008<\/td>\nUSB 3.0
USB 3.1 Gen 1
USB 3.2 Gen 1×1<\/td>\n		5 V<\/td>\n0.9 A<\/td>\n4.5 W<\/td>\n5 Gb\/s<\/td>\nSS 5Gbps<\/td>\nA2<\/sup>,
B2<\/sup>,
C<\/td>\n<\/tr>\n
2013<\/td>\nUSB 3.1
USB 3.1 Gen 2
USB 3.2 Gen 2×1<\/td>\n		5 V<\/td>\n0.9 A<\/td>\n4.5 W<\/td>\n10 Gb\/s<\/td>\nSS 10Gbps<\/td>\nA2<\/sup>,
B2<\/sup>,
C<\/td>\n<\/tr>\n
2017<\/td>\nUSB 3.2 Gen 2×2<\/td>\n5 V<\/td>\n0.9 A<\/td>\n4.5 W<\/td>\n20 Gb\/s<\/td>\nSS 20Gbps<\/td>\nC<\/td>\n<\/tr>\n
2019<\/td>\nUSB4 Gen 2×2<\/td>\nBased on USB-PD<\/td>\n20 Gb\/s<\/td>\nUSB 20Gbps<\/td>\n<\/tr>\n
USB4 Gen 3×2
USB4 v1.0<\/td>\n		40 Gb\/s<\/td>\nUSB 40Gbps<\/td>\n<\/tr>\n2022<\/td>\nUSB4 v2.0<\/td>\n80 Gb\/s<\/td>\nUSB 80Gbps<\/td>\n<\/tr>\n<\/table>\n

1<\/sup> A\/B (4 pins), Mini-A\/B (5 pins), Micro-A\/B (5 pins)
\n2<\/sup> A\/B SS (9 pins), Micro-A\/B SS (10 pins)<\/p>\n

Abbreviations<\/u>
\n– FS … Full Speed
\n– HS … High Speed
\n– SS … Super Speed<\/p>\n

Additional info<\/u>
\n– ‘Thunderbolt’ developed by Intel isn’t a USB standard.<\/p>\n

\n

Power-related standards<\/strong><\/p>\n\n\n\n\n\n\n\n\n <\/colgroup>\n\n\n\n\n\n <\/td>\n
Name<\/th>\nYear \/ Revision<\/th>\nVoltage (DC)<\/th>\nCurrent (max)<\/th>\nPower (max)<\/th>\nCon-nectors<\/th>\n<\/tr>\n
USB-BC
(Battery Charging)<\/td>\n		2007 \/ 1.0
2009 \/ 1.1
2010 \/ 1.2<\/td>\n		5 V<\/td>\n1.5 A<\/td>\n7.5 W<\/td>\nA,
B,
C<\/td>\n<\/tr>\n
USB Type-C<\/td>\n2014 \/ 1.0
2019 \/ 2.0<\/td>\n		5 V<\/td>\n3 A<\/td>\n15 W<\/td>\nC<\/td>\n<\/tr>\n
USB-PD
(Power Delivery)<\/td>\n		2012 \/ 1.0
2014 \/ 2.0
2017 \/ 3.0<\/td>\n		5 – 20 V<\/td>\n5 A<\/td>\n25 – 100 W<\/td>\nA3<\/sup>,
B3<\/sup>,
C3,4<\/sup><\/td>\n<\/tr>\n
2021 \/ 3.1<\/td>\n5 – 48 V<\/td>\n25 – 240 W<\/td>\n<\/tr>\n<\/table>\n

3<\/sup> Using the FSK protocol (over VBUS<\/sub>) introduces with USB-PD Rev. 1.0.
\n4<\/sup> Using the BMC protocol (over CC) introduces with USB-PD Rev. 2.0.<\/p>\n

Additional info<\/u>
\n– ‘Quick Charge’ developed by Qualcomm isn’t a USB standard.<\/p>\n","protected":false},"excerpt":{"rendered":"

USB is used everywhere today. Its main applications are charging and data transfer (MSD, MTP, A&V). It started with flash<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[54],"tags":[],"_links":{"self":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/14022"}],"collection":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14022"}],"version-history":[{"count":30,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/14022\/revisions"}],"predecessor-version":[{"id":18170,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/14022\/revisions\/18170"}],"wp:attachment":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14022"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}