• TCA9546A: TCA9546A channel length application

  

  Brian Chan

  Part Number: TCA9546A Tool/software: Hi Team do you have any recommendation about the channel for TCA9546A in I2C application? customer plan to use 400kHz and 10k pull up resistor BRs Brian

  • 20 days ago
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• TCA9546A: Pull up voltage of Reset Pin

  

  Siya Susan Kuruvilla

  TI Thinks Resolved

  Part Number: TCA9546A Tool/software: Hi Team, I'm attaching our design section using TCA9546A. Here, the VCC is 1.8V, and we pull up the reset pin to 3.3V. Is there any issue with doing that?

  • 25 days ago
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Answered

• TCA9546A: Junction Temperature for General Components

  

  Isaac Lubanski-Jacobs

  Resolved

  Part Number: TCA9546A Tool/software: I am looking to figure out how Ti determines the junction temperature for the following devices. TXB0102DCURG4 TCA9517DGKRQ1 TCA9546APWR SN65LBC172A16DWR SN74LVC8T245PW SN65LBC174A16DWRG4

  • Resolved

  • 1 month ago
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• TCA9546A: High level Output voltage (VOH)

  

  sathyanarayanan M

  TI Thinks Resolved

  Part Number: TCA9546A Tool/software: Hi TI Team, Please provide the VOH min value for TCA9546APWR (operating at 1V8). I can't found it in datasheet. Regards, Sathya

  • 3 months ago
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• TCA9546A: Channels not working on TCA9546A

  

  Pelle Lund

  Part Number: TCA9546A So I'm having some strange behavior with a TCA9546A. I have two PCB's that's identical, and on one it works perfectly. On the other one it worked during first startup and initial tests. However now I lost one channel. CH0 is…

  • 7 months ago
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Answered

• TCA9546A: Whether 3p3V bus to 3p3V and 1p8V bus switching can work with 3p3V Vcc supply

  

  Mitsuhiro Hanabe

  Resolved

  Part Number: TCA9546A Tool/software: (reposted, as the original post seems disappeared. I want to use TCA9546A on my system with Vcc=3.3V supply. The main i2c bus to be connected is running at 3.3V (pulled-up to 3.3V line) and the two downstream buses…

  • Resolved

  • 3 months ago
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• TCA9546A: i2c transaction failed when I sent value 2 to the control register of TCA9546A.

  

  Muthukumar R

  Part Number: TCA9546A Hi sir, I am facing an issue with TCA9546A. Whenever I write value 2 to the control register of TCA9546A through i2c for selecting bus 1, that transaction and further transaction fail but when I write other values like 1, 4, and…

  • 7 months ago
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• TCA9546A: Regarding pullup voltage on the output I2C channels

  

  prema R

  TI Thinks Resolved

  Part Number: TCA9546A Tool/software: Hi we are using TCA9546APWR in our schematics design and following is our implementation(image 1). In this one o/p I2C channel,we have connected a level shifter and translating it to 3.3V signals(refer image 2). Can…

  • 4 months ago
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• RE: TCA9617B: Please review the block diagram for the combination of TCA9617B and TCA9546A

  

  louis.chang

  Hi Clemens Due to some reasons, the pull-ups on the MCU bus must exist, we can't remove it. So just swap TCA9803's A and B, (B side toward to MCU) should not work properly. Any suitable component I can use between MCU and TCA9803 like this? …

  • 6 months ago
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Answered

• TCA9546A: I2C Switch with Voltage Level selection

  

  Sujith Mohandas

  Resolved

  Part Number: TCA9546A Hi Team, I have done a I2C bus design using TCA9546APWR,attached schematics snaps for review. Could you please review the design and let me know, is this voltage translation is safe to keep? Will this voltage translation work if we…

  • Resolved

  • 9 months ago
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