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  • TCA9548A-Q1: Thermal PAD connection

    Resolved
    Part Number: TCA9548A-Q1 Hello Experts, How to connect TCA9548A-Q1 thermal pad on PCB (VQFN 24 package)? Datasheet does not explain it, unfortunately. Piotr
    • Resolved

  • TCA9548A: Linux Driver

    Answer Suggested
    Part Number: TCA9548A Other Parts Discussed in Thread: TCA6424 , TCA9539 , TCA6416 , TCA6408 , Hi Experts, Our customer was wondering if there were a Linux driver that's compatible with TCA9548APWR-GP. Could only identify tca6408 ,tca6416, tca6424 & tca9539…
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  • TCA9548A: TCA9548A: Design help

    Resolved
    Part Number: TCA9548A Hi all, I'm using TCA9548A as the I2C switch in my design. My main I2C is 3V3. and the secondary side i need to control multiple voltage of I2C device .such as 3v3 & 1v8 I saw that the switch structure inside the IC is…
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  • TCA9548A: I2C switch doubt

    TI Thinks Resolved
    Part Number: TCA9548A Hi TI Guru, I plan to use TCA9548A in my design however i have some doubt here, and my use case as below. Master side (1.8V pull up), Slave side (3.3V pull up), VCC = 1.8V (Vpass about 1V from figure 14) 1. How the device do the…

  • TCA9548A: Can you cascade I2C Switches?

    TI Thinks Resolved
    Part Number: TCA9548A Hello E2E Forums: I am working on a new multi-board design that uses several I2C and SMBus components. We are planning to use several different I2C Switches to connect all the I2C/SMBus loads to Master Controller. Can we cascade…
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  • TCA9548A: Downstream power in off-state

    Resolved
    Part Number: TCA9548A Hey team, The TCA9548A is in an application where the IC will be powered off while several of the downstream buses are powered on (pullups to 3.3V). Is this okay from our perspective? The datasheet doesn't call out anything specific…
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  • TCA9548A: Power down while pull-up resistor are still connected to supply

    Answer Suggested
    Part Number: TCA9548A Hi Team, seeking a recommendation for a possible. The CPU and the TCA are powered with 3V3, the DACs with 5V. To keep digital noises as low as possible, the CPU and the TCA9548 may be powered-off, but the 5V pullup resistors will…
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  • TCA9548A: Connect TCA9548A and MSP430 with I2C (400kHz)

    Resolved
    Part Number: TCA9548A Hi, My customer wants to connect TCA9548A and MSP430 with I2C (400kHz). TCA9548A requires "I2C clock low time" to be more than 1.3usec. The MSP430 has an I2C clock low time of 1.25usec when using I2C at 400kHz. Therefore…
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    • Answered

  • TCA9548A-Q1: Standby mode

    Resolved
    Part Number: TCA9548A-Q1 TI Experts, What is standby mode in TCA9548A-Q1 ? Datasheet EC table mentions it, but there is no more information what is this, how to enter it, what are operating limitations. Cheers, Piotr
    • Resolved
    • Answered

  • TCA9548A: I2C Bus Expander problem

    Resolved
    Part Number: TCA9548A Other Parts Discussed in Thread: TCA9803 , TCA9517 Hi, I have a I2C expander input coming from two independent controllers, but effectively only one will alive at a time, below is the schematic is it ok to tie OE directly to VCC …
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