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  • TCAN1042V-Q1: TCAN1042V-Q1 Failure case root cause analysis

    Part Number: TCAN1042V-Q1 Hello, One of our battery management systems which uses TCAN1042V-Q1, had a failure case in which we saw that VIO-GND has a resistance of 1 ohm, CANH-GND has a resistance of 22kohm. All other pins are coming as open when disconnected…

  • TCAN1042V-Q1: TXD pullup voltage 2.7V

    TI Thinks Resolved
    Part Number: TCAN1042V-Q1 Other Parts Discussed in Thread: TCAN1044AV-Q1 Hi, We are using TCAN1042V-Q1 iwth Vio as 3.3V and Vcc as 5V. We are seeing that when we measure the voltage on TX pin with nothing connected to it through a multimeter, it comes…

  • TCAN1042V-Q1: Sizing of filter capacitor

    Part Number: TCAN1042V-Q1 Hi, Please find below schematic. We are seeing CAN IC failure on field with no filter capacitor (C6, C7, C8). Please suggest how to size them for better reliability. We are operating at 500kbps, and data send frequency of 500ms…

  • TCAN1042V-Q1: CANH, CANL signal quality deteriorated

    TI Thinks Resolved
    Part Number: TCAN1042V-Q1 Other Parts Discussed in Thread: TCAN1044AV-Q1 , Hi, Please find below CANH-GND and CANL-GND and CANH-CANL in a system with only 1 node and no CAN termination resistor (Schematic below). Vcc here is 5V and Vio is 3.3V. Please suggest…

  • TCAN1042V-Q1: Bus recessive level outside expected electrical characteristics

    Part Number: TCAN1042V-Q1 Hi, Please find below CANH-GND and CANL-GND and CANH-CANL in a system. Recessive level for CANH is 0.25V and for CANL it is 1.45V. The expected is that it stays near Vcc/2 for both lines. Vcc here is 5V and Vio is 3.3V Above…
    • Answered

  • TCAN1042V-Q1: TCAN1042V-Q1

    Resolved
    Part Number: TCAN1042V-Q1 Other Parts Discussed in Thread: TCAN1043 Hello： RXD pin of TCAN1042VDRQ1 generate a negative pulse when it is shift from standby mode to normal mode,the pulse duration time is about 25ns. Here is the waveform I have catched. …
    • Resolved

  • TCAN1042V-Q1: Schematic & Layout review

    Part Number: TCAN1042V-Q1 Hi Team, There is a good new that we DIN TCAN1042VDRBRQ1 And there have one thing need your support! Please help check this SCH & layout, THX (please refer to attachment ) Layout.pptx
    • Answered

  • TCAN1042V-Q1: question about RXD pin of TCAN1042VDRQ1

    Resolved
    Part Number: TCAN1042V-Q1 RXD pin of TCAN1042VDRQ1 generate a negative pulse when it is shift from standby mode to normal mode,the pulse duration time is about 25ns. It is individual phenomenon,NOT all of the TCAN1042VDRQ1 have that problem. And CANH and…
    • Resolved

  • TCAN1042V-Q1: TCAN1042V-Q1

    TI Thinks Resolved
    Part Number: TCAN1042V-Q1 We make the pre-loaded OBU product (ETC) and install it on the vehicle for ETC transactions. Now there is a new project, for the consideration of power consumption, we want to use the CAN bus remote message wake mechanism of…
    • Answered

  • TCAN1042-Q1: can the NC pin 5 (Vio on TCAN1042V-Q1) be connected to 5V ?

    Resolved
    Part Number: TCAN1042-Q1 Other Parts Discussed in Thread: TCAN1042V-Q1 Dear team, Could you help me figure out if the Pin5 of TCAN1042-Q1 is internally not connected and/or if it is safe to connect it to 5V ? Context: using a TCAN1042-Q1 in place of…
    • Resolved

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