Part Number: TUSB8041 Other Parts Discussed in Thread: TUSB8044A , , TUSB8044 , TUSB8042A , TUSB8043 , TUSB8020B , TUSB8043A , TUSB8042 When using the TUSB8041, does it matter which power supply ramps first and how does it impact power on reset timing?
Part Number: TUSB8042A Other Parts Discussed in Thread: TUSB8043A
Hello,
We have an application in which we use TUSB8042A/43A. We have three USB 3.0 type-A downstream ports (ports 1 to 3) which are removable and one non-removable USB 2.0 downstream…
Hi Menaka,
The free air temperature is the environment or ambient or room temperature where the T USB8043 is, whereas the operating junction temperature is the temperature of the die inside the package or inside the IC.
Typically system temperature ranges…
Please use a hub from the latest family of hubs TUSB8044A/ TUSB8043A / TUSB8042A as they have some updates to include USB spec changes.
See this app note for more information: https://www.ti.com/lit/an/slla445/slla445.pdf
Regards,
JMMN
Hi Martin,
The TI USB hubs do not support data role swapping. They are hard coded so that the upstream facing port is always upstream facing and the downstream facing ports are always downstream facing. TI hubs are also completely power role independent…
Part Number: TUSB8041A 1: Check power on reset sequence waveform for 3.3v ,1/1v and GRSTz pin and see if it meets hub power on reset sequence timing
2: Check voltage on USB_VBUS pin and see if the voltage is around 0.5v
3: Check if the crystal is oscillating…
Part Number: TUSB8041 Other Parts Discussed in Thread: TUSB8040 , , TUSB8020B , TUSB8042 , TUSB8042A USB 3.0 / 3.1 / 3.2 SuperSpeed 5 Gbps electrical compliance testing requires an oscilloscope and BERT from an approved vendor, as well as dedicated SuperSpeed…
