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Showing 97 results View by: Thread Post Sort by
  • PCA9546A: PCA9546A and PCA9517ADP schematic review

    Mike Hsu
    Mike Hsu
    Part Number: PCA9546A Other Parts Discussed in Thread: PCA9517 , Hi Can you help to review the following cirucit? We find there is no ACK from slave device.
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9546A: PCA9546A issue

    Perry Chuang
    Perry Chuang
    Resolved
    Part Number: PCA9546A HI, I would like to confirm whether the PCA9546A can be used in 1.8V for SMBus any individual SCn/SDn channel. in spec, page 11 8.3 Feature Description Depending on the application, voltage translation of the I2C bus can…
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9546A: PCA9546A RGV Sample

    Jason Song
    Jason Song
    Resolved
    Part Number: PCA9546A Hi TIer, We are building a proto-type board for a high-volume customers, and I understand the global part shortage but is there any chance we could request for 10 samples of PCA9546A in RGV? Thank you, Jason
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9546A: No Ack when sending the address (0x70) + Wr to chip.

    Chris van Niekerk
    Chris van Niekerk
    Resolved
    Part Number: PCA9546A Hi. First, some background. I am developing a unit with four identical slots for plug-in modules. These modules will be identical insofar as the I2C devices on them and therefore have the same addresses. To manage this, I added…
    • Resolved
    • over 1 year ago
    • Interface
    • Interface forum
  • PCA9546A: Comparison and questions

    Daniel De Sousa
    Daniel De Sousa
    TI Thinks Resolved
    Part Number: PCA9546A Other Parts Discussed in Thread: TCA9544A , TCA9546A , What is the difference between PCA9546 and TCA9544A? Which is recommended for an application which involves an MCU talking to 4 sensors over I2C with the same address? How…
    • over 2 years ago
    • Interface
    • Interface forum
  • PCA9546A: PCA9546A schematic review request

    Jason Song
    Jason Song
    TI Thinks Resolved
    Part Number: PCA9546A Other Parts Discussed in Thread: TCA9543A Hi TIer, Will you help to take a look on the schematic and let us know if you have any comments/concerns? Thank you, Jason
    • over 3 years ago
    • Interface
    • Interface forum
  • PCA9546A: Dual Master Device Application

    zhang ping
    zhang ping
    Part Number: PCA9546A Our application uses two FPGAs to simultaneously control this chip, with one main device and one backup device. If one device has an issue, the other can be backed up. However, in this application, there is a problem with the SCL…
    • over 2 years ago
    • Interface
    • Interface forum
  • PCA9546A: Dual Master Device Application

    zhang ping
    zhang ping
    TI Thinks Resolved
    Part Number: PCA9546A Our application uses two FPGAs to simultaneously control this chip, with one main device and one backup device. If one device has an issue, the other can be backed up. However, in this application, there is a problem with the SCL…
    • over 2 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9546A: PCA9546A Cad footprint does not match datasheet

    Jason Song
    Jason Song
    Resolved
    Part Number: PCA9546A Hi TIer, I downloaded the cad file for PCA9546A in RGV. As you can see below, the pin spacing is different between top/bottom and left/right. On the right is the CAD file generated for Allegro 17.2 from TI CAD site for this particular…
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9546A: PCA9546A not passing through the I2C commands to the devices after the switch

    Jason Song
    Jason Song
    Resolved
    Part Number: PCA9546A Hi TIer, I changed the schematic based on the inputs I got from the E2E and here is the schematic. At CH0, I have four I2C MUX connected, and here is one of them. I am using a PMBUS to run the communication. I can write…
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
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