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CAN
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  • Forum Post: Re: Which standard is SN65LBC031? ISO11898-2 or ISO11898-3?

    Thomas Kugelstadt
    Both standards, and Yes it can be used for SAE Class B (see bottom of page) . regards, Thomas ISO 11898-1:2003 specifies the data link layer (DLL) and physical signalling of the controller area network (CAN). This document describes the general architecture of CAN in terms of hierarchical layers according...
    on Jul 8, 2010

  • Forum Post: CAN tranceiver hvd233 package sizes

    Calum Mackinnon
    Hi, I have a customer who thought they saw a CAN transceiver in a DFN package - I can't find one. Is there one? and if not what is the smallest package you have for a CAN transceiver? Cheers Calum
    on Sep 11, 2010

  • Forum Post: Re: SN55HVD251 and SN65HVD231 -- ISO11898

    Scott Monroe
    Hello Andre, The HVD251 and HVD231 are compliant to the original ISO 11898 (1993) and ISO 11898-2 (High Speed medium access unit = HS CAN transceiver). Part 5 (-5) is an extension of part 2 for low power modes. Part 3 (-3) is an imcompatible physical layer known as "Low Speed Fault Tolerant Medium...
    on Oct 26, 2010

  • Forum Post: how low speed can iso1050 at

    zhao wensenzhao
    we need 1000m line, so we make the iso1050 at a low speed (10kbit/s), but it can't work. why? we need longer distance ,so the speed can be lower. thanks
    on Jun 24, 2011

  • Forum Post: Re: SN65HVD230 Problems

    Bryce Sinclair
    Hello Sean, Your observing a property of CAN devices. CAN drivers actively drive dominant bits ("logical 0's) to VOD >= 1.2V, however recessive bits ("logical 1's) set the driver into High-Z by protocol (for bus arbitration). That is the outputs are pulled back together via a...
    on Jul 8, 2011

  • Forum Post: Is CAN communication working between two different ground suppling cards?

    ERTAN ALDOGAN
    I have two different system which has separate VDD and separate GND. I want to communicate between this two systems with CAN. I don't want to use ISO1050 i want to use regular transceiver like SN65HVD232, and i guess this is possible to communicate two systems which have two different ground, just...
    on Aug 13, 2011

  • Forum Post: Can transceiver troubles

    jerome chopard
    Hi, I'm using SN65HVD230 CAN transceivers to form a network of sensors. I'm using a baud rate of 100kz and a resistor (R2) of 50kohm is connected to Rs pin to ensure that transmission will suffer low level of noises. The system works well for a few days but fail randomly after that and I measure...
    on Oct 18, 2011

  • Forum Post: CAN bus without CAN Ground. Could be working with isolated node ?

    damien unknown
    Hi all, Recently, i'm arrived on a project with a CAN bus and 5 nodes exchanging data using a 250 Kbit/Sec. speed. The context is an off-road vehicule. The CAN Bus wiring is, today, done without "CAN Gnd" and sometime, we have communication error (sorry for the lack of details, but...
    on Dec 24, 2011

  • Forum Post: ISO1050 - Missing datasheet parameter: how many nodes?

    Robert B.
    Hello, how many CAN transceivers of ISO1050 can be connected to one CAN bus? There's no information about this in the actual datasheet. For example in the product specification of the non-isolated CAN transceiver TJA1040 is written: "At least 110 nodes can be connected". Thank...
    on Dec 20, 2011

  • Forum Post: CAN Transceiver Understanding

    Kevin Miles
    Hello, I'm a junior EE trying to get into the CAN world. I've done some extensive research into the CAN system and am familiar with the general dynamics of the system (CANH, CANL, up to 1Mbps, extended-ID... I've hit a road block in trying to grasp why many microprocessors have "CAN"...
    on Dec 19, 2011

  • Forum Post: ISO1050

    Joerg Schneide
    Hello, I have a question re the ISO1050: What happens when the power supply on VCC1 (logic side) is lost. Does the bus side remains recessive? Is the CAN bus affected in any way? I haven't found anything on this topic in the datasheet. It is described only what happens when VCC2 is...
    on Jan 12, 2012

  • Forum Post: Re: Initial high failure rate of ISO1050DWs. Any suggestions?

    CharlieWW
    Hi Marwat, This did not answer my question on preventing damage to your ISO1050, possibly from high static charge. Of course you thoroughly (100%+) test your parts and do not expect failures. If I have future failures, I will forward them to you but I do not want to commit to a separate board spin...
    on Mar 6, 2012

  • Forum Post: Re: Initial high failure rate of ISO1050DWs. Any suggestions?

    CharlieWW
    Hi Thomas, I do not believe I ever received the schematic, just your list of parts. Can you resend the schematic or just a crude connectivity diagram? tnx,
    on Mar 8, 2012

  • Forum Post: Re: Initial high failure rate of ISO1050DWs. Any suggestions?

    CharlieWW
    Hi Thomas, I think this will work for me with changes to the breakdown voltages (e.g., capacitor breakdown voltage ~ 6KV) to not be destroyed by defibrillator pulse and provide proper isolation. tnx, Charlie
    on Mar 9, 2012

  • Forum Post: using CANbus transceiver for RS485

    acvardar
    We have excessive inventory of SN65HVD251QDRQ1, is there a way of using them as replacement for RS485 transceiver? (They will be mixed with other RS485 transceivers on the same bus, but the speed of the line won't exceed 115K.)
    on Jul 29, 2011

  • Forum Post: PSPICE MODELS for RS485/CAN Transceivers

    giorgio magistrati
    I have to simulate a complex CAN network with several nodes. I did not find PSPICE or TINA models for the following devices: DS16F95 RS485 transceiver DS96F174 RS485 transceiver DS96F175 RS485 transceiver SN65HVD1050 CAN transceiver ISO1050 ISO CAN TRANSCEIVER any suggestions?
    on May 31, 2012

  • Forum Post: ISO1050 RXD

    Andrey Yastrebov
    Hi, I bought several ISO1050DW chips, and can't get them to work. I connected 5v to Vcc2 (tried different sources) 0v to all three GND 2 120 Ohm resistor between CANH and CANL 3.3v to Vcc1, 0v to all three GND1, Microcontroller to RXD. Microcontroller watches for changes and if there's...
    on Aug 28, 2012

  • Forum Post: SN65HVD1792's Y/Z pin can support +/- 70V short protection or not

    peter pan
    Please help to clear if SN65HVD1792's Y/Z pin can support +/- 70V short protection or not. Thanks for your kindly help
    on Nov 28, 2011

  • Forum Post: SN65HVD231 CAN transceiver issue

    Sky Lee
    1) Is it possible to recommend us any low capacitance cable suited for CAN bus applications? Our system details are: Target bitrate: 250kbps Max cable length = 200m Max nodes = 16 Transceiver= TI sn65hvd231 We tested above system using unshielded twisted pair but communication struggles...
    on Oct 8, 2012

  • Forum Post: resources for the CAN controller

    Vladimir Uljanov
    Hi all! This is my first post here and I'm newbie in HW, so excuse me if posting in a wrong section. Short story: Need to provide memory and IRQ resources to the Linux kernel in order to bring up the CAN controller. Have no idea how to get them. Below is the structure I need to fill in. This...
    on Nov 14, 2012

  • Forum Post: CAN communication between two differently powered Boards

    Sonu Kurian
    Hi, I have a question about CAN interface.I will be using a normal CAN transceiver( not isolated) like SN65HVD230 to communicate between two different boards powered from two different batteries. I will be connecting as shown below. Only transceivers are shown.My doubt is when it has no common...
    on Jan 1, 2013

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