Part Number: PCA9548A Tool/software: Hi Expert,
My customer uses PCA9548/9546 that cascade three levels. Now they want to update the old solution and don't want to change the original design. One solution is adding one more level. Now they want to know…
Part Number: PCA9548A Other Parts Discussed in Thread: CD4097B , SN74LV4051A Tool/software: Hi Team, I will be using PCA9548A on my PCB. I would like to ask you if this IC can work as follow:
Normal operation as I2C mux: I2C master unit and x5 I2C slave…
Part Number: PCA9548A Other Parts Discussed in Thread: PCA9546A , Tool/software:
Dear TI Team:
Due to our PCB size is big and trace is too long, our team plan to do SI(Signal Integrity) simulation.
Our SI team ask for parameters of < the tolerated insetion…
Hi Lisa,
The SCx and SDx pins of the PCA9548A should be pulled up even when not in use due to the nature of the I2C protocol and the design of the PCA9548A itself.
It's recommended to use pull-up resistors even when not in use to ensure that the I2C bus…
Part Number: PCA9548A Customer use PCA9548A to switch the channel. When they write the data to control register and read the data from PCA9548A to check the data.But if the Interval time of write and read is below 0.5s, the data of read always is 0x00…
Part Number: PCA9548A Other Parts Discussed in Thread: TCA9548A Dear TI Team:
Checked from PCA9548A datasheet, It shows it also supports voltage Translator function.
There are some items need your help.Thanks!
Pls check the picture as below, The PCA9548A…
Part Number: PCA9548A Other Parts Discussed in Thread: TCA9803 Team,
I want to check with you if PCA9548 has driving ability, or only a MUX function when connected to master.
Background is, my customer is using PCA9548 as I2C salve together with other…
Part Number: PCA9548A I want to check if I can put a device with the same address on the master bus as on one or more slave buses. My concern is - it may create a conflict. Am I correct?
Hello Max,
Hmm, I was wondering how do we know that the PCA9548A holding the SDA bus low and not some other device downstream on the i2c bus?
The key here is to figure out which device on the i2c bus is pulling the bus to a stuck low condition. It could…
