• TCA9546A: TCA9546APWR Power Dissipation

  

  Adarsh Hegde

  TI Thinks Resolved

  Part Number: TCA9546A Hi, what is the power dissipation of part TCA9546APWR. Thanks and Regards Adarsh K Hegde

  • 6 months ago
  • Interface
  • Interface forum

• TCA9546A: Confirming 18.V to 3.3V operation

  

  Ramgopal Divakar

  TI Thinks Resolved

  Part Number: TCA9546A Hello, we have used TCA9546APWR successfully over several designs. All the rails were 3.3V then. For this design few slaves are at 1.8V. My host is at 3.3V, SC2/SD2 shall be connected to slave devices at 1.8V rail. Remaining…

  • 4 months ago
  • Interface
  • Interface forum

• 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

  • over 1 year ago
  • Interface
  • Interface forum

• TCA9546A: Voltage Level Shifting Inquiry – 5V Master with 1.8V VCC and Slave

  

  David Kim2

  TI Thinks Resolved

  Part Number: TCA9546A Other Parts Discussed in Thread: PCA9306 Hello, I am inquiring about the proper voltage level shifting configuration for the TCA9546A. A customer is planning to design a circuit with mixed voltage levels as shown in the attached…

  • 4 months ago
  • Interface
  • Interface forum

• 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…

  • over 2 years ago
  • Interface
  • Interface forum

• TCA9546A: I2C BUS failure mode

  

  Jay Chien

  TI Thinks Resolved

  Part Number: TCA9546A Other Parts Discussed in Thread: PCA9546A Tool/software: Hi, we encountered an I2C issue that appears to be related to abnormal behavior of the PCA9546. When the issue occurs, all I2C bus devices become non-functional. The system…

  • over 1 year ago
  • Interface
  • Interface forum

• 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…

  • over 2 years ago
  • Interface
  • Interface forum

• 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?

  • over 1 year ago
  • Interface
  • Interface forum
Answered

• TCA9802: Whether TCA9546A can be located on B side

  

  Mitsuhiro Hanabe

  Resolved

  Part Number: TCA9802 Other Parts Discussed in Thread: TCA9546A Tool/software: In my trial board, TCA9546A is connected on B side of TCA9802. Sometimes a slave device located in the opposite side of TCA9546A doesn't respond.... then I found my circuitry…

  • Resolved

  • over 1 year ago
  • Interface
  • Interface forum
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

  • over 1 year ago
  • Interface
  • Interface forum

Didn't find what you are looking for? Post a new question.