Part Number: TUSB4020BI-Q1 Other Parts Discussed in Thread: TUSB4020BI Tool/software: Hi Ti team,
Our usb hub communication is sometimes good, sometimes bad. We think it could be a power-on timing issue. But our power-on timing issue seems good. Can you…
Part Number: TUSB4020BI Dear supporter,
we need to use TUSB4020BI for our design. i checked the spec of TUSB4020BIPHPR and TUSB4020BIPHPRQ1, and i did not find any difference. the work temperature is same, TUSB4020BI's ESD level seems even better. is the…
Part Number: TUSB4020BI-Q1 Other Parts Discussed in Thread: TUSB4020BI
Tool/software:
Hi there
We are currently debugging your company's HUB chip model TUSB4020BI-Q1 based on the NXP S32G274A platform.
We have encountered some issues and would like…
Part Number: TUSB4020BI Hello,
Does there exist different way how to program OTP memory than programming via USB vendor-defined requests. If so, can you provide me guide?
Best regards,
Frantisek
Part Number: TUSB4020BI Hi, Support Team
Here is our client function block as below chart:
if MCU no software and no EEPROM, so only power on TI TUSB4020 could possible to work?
if any suggestion, Please advise me.
Thanks,
Best regards,
Lawrence
Hi Jesse:
Sorry for late update.
For SMBus spec, Vih input high voltage is 1.35v. and for I2C, Vih is 2V for TI hub device. So with 1k pullup, 2.5v should be fine for your system.
Regards
Brian