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  • TCA9800: Interface forum

    Part Number: TCA9800 Hi Actually, The LIN INTERFACE (TJA1020T/CM,118) we are using has TXD, RXD lines as Open-Drain which can support up to 3.3to 5V. but FPGA interface has Pseudo-Open drain path i.e.,1.2V, we need this LIN interface to be compatible with…

  • TCA9800: Regarding LEVEL TRANSLATOR

    TI Thinks Resolved
    Part Number: TCA9800 Hi Actually, The LIN INTERFACE (TJA1020T/CM,118) we are using has TXD, RXD lines as Open-Drain which can support up to 3.3to 5V. but FPGA interface has Pseudo-Open drain path i.e.,1.2V, we need this LIN interface to be compatible with…

  • TCA9800: LEVEL TRANSLATION

    TI Thinks Resolved
    Part Number: TCA9800 Hi, We have used TCA9800 as suggested by TI technical support team for pseudo-open drain configuration. Kindly review the above design, and also please ensure whether the Side A(FPGA) and Side B(Slave) connections are correct. …
    • Answered

  • TCA9800: I2C buffering

    Resolved
    Part Number: TCA9800 Other Parts Discussed in Thread: ISO1541 , , TCA9517 , PCA9306 , ISO1450 , P82B96 , ISO1640 , TCA9517A I have a design that requires isolated power supply to two sections (let's call them section A and section B). We have I2C running…
    • Resolved
    • Answered

  • TCA9800: Can TCA9800 be used to switch the clock level?

    Resolved
    Part Number: TCA9800 Other Parts Discussed in Thread: SN74AUP1G17 Hi, In the customer's barcode scanner, the RTC clock is required. The level of the clock generated by the active clock generator is relatively high (3.3V), while the MCU can only accept…
    • Resolved

  • TCA9800: Could TCA9617A drop in replace TCA9800

    TI Thinks Resolved
    Part Number: TCA9800 Other Parts Discussed in Thread: TCA9617A Hi, As subject. I check datasheet, they're P2P, only operation voltage range different. I would like to know could TCA9617A drop in replace TCA9800 without any BOM change?

  • TCA9800: schematic consult

    TI Thinks Resolved
    Part Number: TCA9800 Hi team, My customer want to use TCA9800 as a buffer between CPU and DIMM. And frequency of I2C is 100kHz. can you help review below schematic? thanks and best regards, Sophia

  • TCA9800: Does the device work when the VCC comes later?

    TI Thinks Resolved
    Part Number: TCA9800 Hi team For the application connecting VCCA and VCCB together, is it safe to power the IO first and then power up the VCC afterwards? Will this event cause latch-up? (This event is because of the board setup and sequence power) If…

  • TCA9517: TCA9800 to replace TCA9517 to avoid VOL B-side offset voltage

    Answer Suggested
    Part Number: TCA9517 Other Parts Discussed in Thread: TCA9800 , TCA9509 , ISO1540 , P82B96 Customer used TCA9517 before, and was concerned about the 0.5V offset voltage for output low level in the B-side, which might cause communication error when the host…

  • TCA9800: Application Usage Consult

    Part Number: TCA9800 Hi Team, Customer follows our D/S figure 20's typical application to verify the usage, but the supply voltage of A/B side are both 3.3V. They find our TCA9800 is not working normally. Are there any possible reasons behind this? Does…

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