Tshiab thiab thawj hauv TCAN1042VDRQ1 Electronic Cheebtsam Integrated Circuit Ics Keeb Kwm 1- 7 Ua Haujlwm Ib Nres BOM Daim Ntawv Teev Npe
Yam khoom
| HOM | Kev piav qhia |
| Qeb | Integrated Circuits (ICs) |
| Mfr | Texas Instruments |
| Series | Automotive, AEC-Q100 |
| Pob | Daim kab xev & Reel (TR) Daim kab xev (CT) Digi-Reel® |
| SPQ | 2500 T&R |
| Yam khoom | Active |
| Hom | Transceiver |
| raws tu qauv | CANbus |
| Number of Drivers/Receivers | 1/1 |
| Duplex | - |
| Cov ntaub ntawv tus nqi | 5 Mbps ib |
| Voltage - Khoom siv | 4.5V ~ 5.5V |
| Ua haujlwm kub | -55 ° C ~ 125 ° C |
| Mounting Hom | Nto Mount |
| Pob / Case | 8-SOIC (0.154", 3.90mm Dav) |
| Cov Khoom Muag Khoom Pob | 8- SIB |
| Base Product Number | TIAB SA 1042 |
Tsev neeg CAN transceiver no tau ua raws li ISO 1189-2 (2016) kev kub ceev CAN (Controller Area Network) txheej txheem lub cev.Txhua yam khoom siv tau tsim los siv hauv CAN FD tes hauj lwm nrog cov ntaub ntawv tus nqi txog li 2Mbps (megabits ib ob).Cov khoom siv nrog cov lus "G" yog tsim los rau CAN FD tes hauj lwm nrog cov ntaub ntawv tus nqi mus txog 5Mbps, thiab cov khoom siv nrog "V" cov lus txuas ntxiv muaj lub zog txhawb zog rau I / O qib hloov dua siab tshiab (kom teeb tsa tus pin nkag pib thiab RDX tso zis theem ).Cov koob no muaj lub zog qis-tsim standby thiab cov chaw taws teeb tsa kev thov.Tsis tas li ntawd, txhua yam khoom siv suav nrog ntau yam kev tiv thaiv los txhim kho cov cuab yeej thiab CAN kev ruaj ntseg.
Tsev neeg CAN transceiver no tau ua raws li ISO 1189-2 (2016) high-speed CAN (Controller Local Area Network) txheej txheem txheej txheem.Txhua yam khoom siv tau tsim los siv hauv CAN FD tes hauj lwm nrog cov ntaub ntawv tus nqi txog li 2Mbps (megabits ib ob).Cov khoom siv nrog cov lus "G" yog tsim los rau CAN FD tes hauj lwm nrog cov ntaub ntawv tus nqi mus txog 5Mbps, thiab cov khoom siv nrog "V" cov lus txuas ntxiv muaj lub zog txhawb zog rau I / O qib hloov dua siab tshiab (kom teeb tsa tus pin nkag pib thiab RDX tso zis theem ).Cov koob no muaj lub zog qis-tsim standby thiab cov chaw taws teeb tsa kev thov.Tsis tas li ntawd, txhua yam khoom siv suav nrog ntau yam kev tiv thaiv los txhim kho kev ruaj ntseg ntawm cov cuab yeej thiab CAN.
CAN transceiver yog dab tsi?
Lub CAN transceiver yog 232- lossis 485-zoo li hloov pauv nti uas nws lub luag haujlwm tseem ceeb yog hloov lub teeb liab TTL ntawm tus tswj CAN rau hauv qhov sib txawv ntawm lub tsheb npav CAN.
Dab tsi tuaj yeem tswj TTL teeb liab?
Niaj hnub no tus CAN controllers feem ntau koom nrog MCU thiab lawv cov kev xa tawm thiab tau txais TTL cov teeb liab yog MCU tus pin (siab lossis qis).
Yav dhau los muaj cais CAN controllers thiab CAN network node yuav muaj peb lub chips: MCU nti, CAN controller, thiab CAN transceiver.Tam sim no nws yog thawj ob uas tau muab tso ua ke (saib daim duab ntawm qhov pib ntawm tsab xov xwm).
Input yam ntxwv
Rau kev sib cais CAN transceivers, cov tswv yim feem ntau yog hais txog cov yam ntxwv ntawm cov tswv yim ntawm CAN controller sab ntawm kev sib txuas, suav nrog lub zog tawm tswv yim thiab cov teeb liab tawm tswv yim.
Nyob ntawm CAN interface voltage ntawm tus maub los 3.3V lossis 5V powered CAN module tuaj yeem xaiv.Qhov kev tawm tswv yim ib txwm muaj ntawm qhov kev sib cais CAN module yog VCC ± 5%, feem ntau yog txiav txim siab tias CAN tsheb npav theem tuaj yeem khaws cia nyob rau hauv qhov raug nqi ntau yam thiab tseem ua rau qhov thib ob CAN nti ua haujlwm nyob ib puag ncig cov khoom siv hluav taws xob nominal.
Rau cais CAN transceiver chips, VIO tus pin ntawm nti yuav tsum tau txuas nrog tib qhov siv hluav taws xob raws li TXD teeb liab theem kom haum rau theem teeb liab, lossis yog tias tsis muaj VIO tus pin, theem teeb liab yuav tsum tau khaws cia hauv kab nrog VCC .Thaum siv CTM series cais transceivers nws yog ib qho tsim nyog kom phim lub teeb liab theem ntawm TXD nrog cov khoom siv hluav taws xob, piv txwv li 3.3V standard CAN controller interface lossis 5V standard CAN controller interface.
Cov yam ntxwv kis tau tus mob
Cov yam ntxwv kis tau tus mob ntawm CAN transceiver yog ua raws li peb qhov kev txwv: xa qeeb, tau txais qeeb, thiab lub voj voog qeeb.
Thaum xaiv qhov CAN transceiver peb xav tias qhov me me qhov ncua sij hawm yog qhov zoo dua, tab sis cov txiaj ntsig dab tsi cuam tshuam qhov kev ncua sij hawm me me coj mus thiab dab tsi cuam tshuam qhov kev ncua sij hawm hauv lub network CAN?
Hauv CAN raws tu qauv, tus xa node xa cov ntaub ntawv ntawm TXD thaum RDX saib xyuas lub xeev lub npav.Yog tias RDX saib me ntsis tsis phim qhov xa tawm me ntsis, qhov node pom qhov yuam kev me ntsis.Yog tias qhov kev soj ntsuam hauv qhov kev txiav txim siab tsis sib haum rau qhov kev sib kis tiag tiag, cov node nres kis, piv txwv li muaj ntau cov nodes ntawm lub npav xa cov ntaub ntawv tib lub sijhawm thiab cov node tsis tau muab cov ntaub ntawv xa mus ua ntej.
Ib yam li ntawd, nyob rau hauv ob qho tib si cov ntaub ntawv tshawb xyuas thiab ACK cov lus teb cov khoom, RDX yuav tsum tau txais cov ntaub ntawv xwm txheej ntawm lub npav hauv lub sijhawm.Piv txwv li, nyob rau hauv ib txwm network kev sib txuas lus, tsis suav cov node abnormality, thiaj li ntseeg tau txais ACK cov lus teb, nws yog tsim nyog los xyuas kom meej tias cov ACK me ntsis pauv mus rau lub RDX register ntawm tus maub los nyob rau hauv ib tug tej lub sij hawm, txwv tsis pub, xa node yuav kuaj xyuas qhov yuam kev.Teem lub sampling txoj hauj lwm rau 70% ntawm 1Mbps.Tom qab ntawd tus maub los yuav ua piv txwv ACK me ntsis ntawm 70% ntawm lub sijhawm taw tes los ntawm qhov pib ntawm ACK me ntsis lub sijhawm, piv txwv li lub voj voog qeeb ntawm tag nrho CAN network yuav tsum tsawg dua 700ns, txij li lub sijhawm TXD xa mus, kom txog rau thaum ACK me ntsis tau txais ntawm RDX.
Nyob rau hauv ib qho kev sib cais CAN network, qhov ntsuas no feem ntau yog txiav txim siab los ntawm kev ncua ncua sij hawm, tus neeg tsav tsheb CAN ncua, thiab qhov ntev cable.Lub sij hawm ncua me me, yog li ntawd, pab ua piv txwv ACK cov khoom ntseeg tau thiab ua kom lub tsheb npav ntev.Daim duab 2 qhia ACK cov lus teb ntawm ob lub nodes sib txuas lus siv CTM1051KAT transceiver.Lub sij hawm ncua sij hawm nyob rau hauv lub transceiver yog kwv yees li 120ns.
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