Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TCAL9539 Tool/software: Hello TI,
I am using TCAL9539-Q1 for Programmable wakeup, Inputs will be Ignition and CAN.
What will be the Input voltage threshold values (VIH, VIL) when GPIO Pins…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TCAL9539 Tool/software: Hi team,
During the hardware bring-up, we encountered an issue with an unexpected voltage level on a specific signal. After removing some zero-ohm jumpers for debugging…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575
Tool/software:
Hello Team,
In our design we are going to use TCAL9539RTWRQ1 IC ,we have created…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TCAL9539 Tool/software: hi team:
We are using TCAL9539-Q1 as IO expander, and occasionally there are some chips have the issue that I2C cannot be found and all output are set to high. In our…
Part Number: TCAL9539-Q1 Tool/software: Hi Expert,
Hope you have a nice day!
How to understand the tRT, tFT, tTRR_GND and tTRR_POR50?
Is my understanding right as below?
tRT, tFT (in red rectangular) are the features of TCAL9539-Q1…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TCAL9539 Tool/software: Hi Expert,
Have a nice day!
Customer use TCAL9539-Q1 and find some issues need your help.
Issue: When the MCU meet I2C communication failure (Such as I2C busy…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TMAG5173-Q1 , , TCAL9539
Tool/software:
Hello,
We are using multiple TMAG5173-Q1 and a single TCAL9539-Q1 IC on the same I2C bus in our project. If we start the measurement simultaneously…
Part Number: TCAL9539-Q1 Other Parts Discussed in Thread: TCAL9539 Tool/software: I have looked into the datasheet but I can only see a comment on the INT line for the device. Does the same thresholds for the INT line correspond to the GPIO when they…
