Part Number: TUSB8041 "Optional but recommended for new designs. SSTX should be AC coupled with 220 nF and SSRX should be AC coupled with 330 nF."
I assume that this is only to the UP pins. Will this be updated in the 'TUSB8041A Schematic Checklist…
Hi Guo,
Per the datasheet if power switching and over current inputs are not supported then FULLPWRMGMTz should be set to "1".
Can you try pulling the pin to test if this addresses the issue? Also can you download usbview.exe or usb device tree viewer…
Part Number: TUSB8042A Other Parts Discussed in Thread: HD3SS3220 , TUSB8041A , TUSB8041
Hi,
I have a Macbook Pro with 4 ports that supports all features. I fully understand that is a rather complex build, but my main problem is not that I don't have…
Oba,
In short, OVERCURxZ needs to be tied high. Please refer to the TUSB8041A Schematic Checklist for more information, link below.
www.ti.com/.../slla410.pdf
Thanks Malik for your prompt reply, providing the TUSB8041 FAQ, and for reviewing the schematics.
I've added to our pending-issues document, to replace with TUSB8041A.
I've found that I missed the 1M on the crystal pins.
I've measured 1.107v and…
Shu-Cheng,
TUSB7340 is not a USB Hub. TUSB7340 is a USB 3.0-compliant xHCI host controller. Being a host controller, the system TUSB7340 is placed on sources Vbus to the down stream devices, including USB hubs that are bus powered or self powered (i…
Part Number: TUSB8041
Hi,
I have created a USB hub design based on TUSB8041A that works well. The HUB shows up on the USB bus and when I connect USB High-speed devices to it, they show up and work as expected at 5Gbit/s. So far, all good.
In the…
Part Number: TUSB8041 Other Parts Discussed in Thread: HD3SS3202 , HD3SS3220 , , HD3SS3212
Hi,
I'm designing a board around the TUSB8041A to connect a USB2 device and a USB 3.1 camera to a computer using a single connection. The Physical interface…
Kello Kerr,
We recommend to use TUSB8041A over TUSB8041 for all new designs.
TUSB8041A does have support for some Apple charging modes (ACP1 and ACP2), although TUSB8042 provides support for all ACP1, ACP2 and ACP3 modes.
Regards,
Jorge
Hello Dave,
If using a passive reset (just a cap on GRSTz) the recommendation is to supply VDD (at least 10uS) before VDD33.
If you have an active reset, then there is no power-on relationship between VDD and VDD33; however your active reset would…
