Understanding USB A and Micro-USB Connectors.pdf

USB stands for Universal Serial Bus. It was created to make the connections between computers and outlying devices simpler.

1. UnderstandingUSBAandMicro-USB
Connectors
USBstandsfor"UniversalSerialBus."Itwascreatedtomaketheconnectionsbetweencomputers
andoutlyingdevicessimpler.Sinceitsdevelopmentinthe1990s,ithasbecomeahousehold/office
itembecauseofitslowcostofimplementation,easeofuse,and,mostimportantly,itscompatibility
withvariousplatformsandoperatingsystems.Veryfewcomputersnowadaysarebuiltwithouta
USBport.Itisthepreferredinterfaceforalmostallofficeandhomeperipheralslikemodems,hard
drives,speakers,cameras,etc.Thesecableswerefirstintroducedbytechcompaniestoprovidea
uniformconnectionstandardfortransferringelectricityanddata.
Now,thereareseveraltypesofUSBconnectors:
●USB-A
●USB-B
●USB-C
●USBMicro-A
●USBMicro-B
●USBMini-B(5-Pin)
●USBMini-B(4-Pin)
●USB3.0A
●USB3.0B
●USB3.0MicroB
●USB-AtoMicro-B
●USBMini-B(FujiⓇ)
Let’slearnmoreaboutUSB-A,USBMicro-A,USBMicro-B,andUSB-AtoMicro-B.

2. ●USB-A
USB-Aismostcommonlyfoundonhostcomputers.Almostallpersonalcomputersandlaptopshave
oneUSB-Aport,ifnotmore.
USB-Acableshavearectangularconnectorwithanopeningononesideandaplasticwedgeonthe
otherhalf.Thisallowsyoutoconnectonedevice.Thesecableshaveaflat,rectangularinterface,
whichholdstheconnectioninplaceusingfriction,makingiteasyforuserstoconnect/disconnect.
Thesecablesuseflatcontactsinsteadofroundpins,astheycanhandlecontinuous
attachment/removal.
Now,let’sseemicroUSBs.ThesmallesttypeofUSBcableiscalledamicroUSBcable,whichcomes
intwoconnectiontypes.ThesecomeinhandywhenyoucannotuseminiorstandardUSB
connectionports.Theyprovidethesameperformanceastheirstandard-sizedcounterparts.
●Micro-AUSB
Micro-AUSBcablesdifferfromthestandardUSBconnectionandaremostcommonlyseeninOnthe
Go(OTG)devices.Youdonotrequireacomputertoactasamediatorwhenyoubuildaconnection
betweentwodevicesusingaMicro-AUSBcable.
Thesecablescomewitharectangular-sizedfemaleconnector.Itsidentifyingmarksareacompact
5-pindesignandawhitereceptacle.Micro-AUSBcablesarecompatiblewithMicro-BUSB
technology.
Micro-AUSBconnectorscanbefoundonGPSunits,digitalcameras,andcellphones.Thesecables
supportahigh-speedtransferrateof480Mbps.
●Micro-BUSB
Micro-BUSBconnectorscanbefoundinsmartphonesandothersmallelectronicdevices.These
cablesareavailablewithmaleandfemaleconnectors,makingiteasierforyoutousedeviceswith
differentconnectiontypes.Usually,femaleconnectorscanbefoundonsmartphones,whilethe
cablecomeswithamaleconnector.
Micro-BUSBconnectorsarehalf-hexagonalinshapebecausetheconnectorsandportshavetapered
edges.Thesecablesconsistofablack-coloredreceptacleandaportable5-pindesign.

3. USBType-AToMicro-USB
TheUSB-Acable’sotherendismadeupofaMicro-USBAorMicro-USBBconnectorandthuscan
accepteitherconnection.ThiscableisdesignedexclusivelyforUSBOn-The-Godevices.These
connectorsareidentifiedbytheirdistinctgray-coloredreceptacleandcompact5-pindesign.You
won’tfindthisonanycable,asitonlyexistsasareceptacleforOn-The-Godevices.
TheitemsthatcancommonlyusethiscableareBluetoothspeakers,e-readerdevices,smallgadgets
likereadinglights,andsoon.
SFCablestocksallkindsofUSBcables,hubs,andcouplers,soyoucanmeetallyourUSBneeds
easily.BrowsetheeStoreforallthingscables,andcontactustoknowmore.
Source:https://www.sfcable.com/blog/understanding-usb-a-and-micro-usb-connectors