Part Number: PCA9554 Other Parts Discussed in Thread: TCA9555 , TCA9536 , TCAL6416 , TCAL9539 Tool/software: Hello:
New project - handheld terminal needs, need an expansion chip: need to expand 10 GPIO, 1.8V, the package should be as small as possible, …
Part Number: PCA9554 Other Parts Discussed in Thread: TCA9554 , , TCA9554A Tool/software: Hello everyone. Not sure if this is the correct place to ask this question but I would like to know if I can add external pulls, 10k Ohms to the P[n] ports of t…
Part Number: PCA9554 Other Parts Discussed in Thread: TCA9554 I need the “lifecycle” on the PCA9554PWR (16bit I/O Expander)..if Marketing can help comment..even better.
We have a few programs, and want to make sure this device will be around…
Part Number: PCA9554A Other Parts Discussed in Thread: PCA9554 ,
Hi Team,
Our customer previously used the PCA 9554A in his application. He incorrectly installed PCA9554 and now the system do not work According to our customer,
I used pca9554a in cctv before…
Part Number: PCA9554 Other Parts Discussed in Thread: TCA9554 Hello,
I am using the PCA9554 to drive output enable signals for load switches. All of the IO are configured as outputs at all times and during normal operation, some of the outputs that should…
Part Number: PCA9554 Other Parts Discussed in Thread: PCA9544A , Hi team,
Could you help check if we get the QFN package part of PCA9554? I can't find it in the datasheet.
Thanks and Best regards,
Will
Part Number: PCA9554 Dear All,
this is my customer for notebook application
Does PCA9554PWR support the sleep mode?
if yes, how the power consumption (mW) during the sleep more and operation mode?
Regards,
bard
Hi Liu,
We do not provide drivers or source code from TI side.
However, I found a github that might have some useful code. It looks to be the driver for PCA9554, but it should be essentially the same as the TCA9554.
linux-tronsmart-orion-r28/drivers/gpio…
