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TUSB501: What is the differences between Gen3 and Gen4 status machine in USB redriver

Gary Zeng
Prodigy 340 points
Part Number: TUSB501
Other Parts Discussed in Thread: TUSB522P

Tool/software:

Hi Ti experts,

My customer want to select a 5Gbps USB redriver from TUSB501 and TUSB522.

Question1: What is the differences between Gen3 and Gen4 status machines in USB redriver 

Question2: Waht are the advantages and disadvanages of Gen 3 and Gen4 status machines.]

 

  • 0
    TI__Genius 16020 points

    Hi Gary,

    The 522P and 501 have different USB state machines. The difference is that the state machine on the TUSB501 is a single-channel USB state machine while the 522P has a dual-channel state machine. In terms of functionality, the TUSB522P operates similarly to two TUSB501s in a single chip.

    Is the customer looking at using one 522P vs using two 501s? Do they have a key concern? (price, space, power,...)

    Best,

    Shane