Part Number: TCA9539-Q1 Other Parts Discussed in Thread: TCA9539 Hello team,
I receive a question from the customer.
They say that sometimes there is no ACK at the yellow line timing when the following conditions are present. Do you know the cause?
1.…
Part Number: TCA9539
Hi, TCA9539 data sheet section 8.6.3.1.2 describes the read operation as below. This is bit confusing. Can anyone please help to understand what is RESTART mentioned here and how the Port0, Port1 accesses are happening exactly from…
Part Number: TCA9539 Hello experts,
I would like to check with you about a p2p alternatives for the following PN :
TCA9539QPWRQ1 (the TCA9539 parts family)
This is for future clients usage and currently it doesn’t matter if the p2p alternative is out…
Part Number: TCA9539-Q1 Hi team,
There are 2 questions about TCA9539-Q1:
Whether a reset is needed after VCC is on
Before manipulating IIC read and write, do I have to pull up reset , and then pull down reset again?
Part Number: TCA9539-Q1 Hi,
are there any differences in the programming registers between the TCA9555 and the TCA9539?
I know that there are differences in the internal pull-up, in the reset pin, in the address I2C, but I don't know if there is some…
Part Number: TCA9539 Hello
I want to know, when the IC pin configured as output, whether it can used as pwm output to drive fan, and the output frequency is higher than 1kHz. thanks!
Part Number: TCA9539 Hi TI experts,
Customer plan to change TCA1116PWR to TCA1116RTWR because of lead time.
Is there any difference besides the package?
If we change the PCB package, can direct replace TCA1116PWR to TCA1116RTWR ?
Please check it.
Thank…
Part Number: TCA9539-Q1 Hi expert,
I checked from datasheet, when I/O=input and no load, Iq as below. My question is that if I/O=output and the output level is low or high voltage, I/O connects to NMOS Gate pin. What is the Iq in this condition?
Does…
Part Number: TCA9539-Q1 Other Parts Discussed in Thread: TCA9539 Hi, anybody
I tested tca9539-Q1.
I read datasheet of tca9539.
So, I understand the slave address this ic 0x74 / (A1, A0 is LOW, 1110100)
and to use it only read function, 0xE9 (1110100…
