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Showing 374 results View by: Thread Post Sort by
    Answered
  • TUSB4020BI: TUSB4020BI: EEPROM Programming Tool

    Marcin Zakaszewski
    Marcin Zakaszewski
    Resolved
    Part Number: TUSB4020BI Hello! In other topic on forum I've found that there is Programming Tool available for TUSB4020BI to write appropriate configuration data to external I2C EEPROM? Where can I find that tool? Best Regards, Marcin
    • Resolved
    • 5 months ago
    • Interface
    • Interface forum
  • TUSB4020BI: TUSB4020BI Malfunction

    Rohini Esakki
    Rohini Esakki
    Part Number: TUSB4020BI Hi Team, We are using TUSB4020 in our design We have connected FT4232 and CY7C68013A from the HUB. Suddenly we see below issue in few of our boards. Powers and clocks are ok I see the GRSTn is sometimes going high even before…
    • 7 months ago
    • Interface
    • Interface forum
  • TUSB4020BI: TUSB4020BI EEPROM Program Tools

    Oliver Smith
    Oliver Smith
    TI Thinks Resolved
    Part Number: TUSB4020BI Hello I'm starting to design a product using TUSB4020BI. 1. How can I get TUSB4020BI EEPROM Program Tools ? Regards
    • 10 months ago
    • Interface
    • Interface forum
  • TUSB4020BI-Q1: TUSB4020BI-Q1: Seeking I2C Register Configuration to Improve BCI (Bulk Current Injection) Immunity

    xiangling ye
    xiangling ye
    TI Thinks Resolved
    Part Number: TUSB4020BI-Q1 Hi TI Team, We are using the TUSB4020BI-Q1 in an automotive project. The hardware configuration is: External PC Host → TUSB4020BI-Q1 HUB → Downstream Port2 SoC Device . We are currently facing USB disconnection issues during…
    • 2 months ago
    • Interface
    • Interface forum
  • TUSB4020BI: BSDL File

    Will Jarrett
    Will Jarrett
    TI Thinks Resolved
    Part Number: TUSB4020BI Does TUSB4020BI support boundary Scan? It seems there is JTAG on the EVM. I cannot find a BSDL file. If it is avilable can you provide it? Thank you! -Will
    • 2 months ago
    • Interface
    • Interface forum
  • Answered
  • TUSB4020BI: ERRATA document

    Teja Velagapudi
    Teja Velagapudi
    Resolved
    Part Number: TUSB4020BI Please provide ERRATA document of TUSB4020BIPHPR.
    • Resolved
    • 4 months ago
    • Wi-Fi
    • Wi-Fi forum
  • TUSB4020BI: Power Sequencing

    Thrinesh S
    Thrinesh S
    TI Thinks Resolved
    Part Number: TUSB4020BI Hi Team, Power sequencing required for active reset? If yes, what was the timing requirements for VDD33 and VDD11 There is a contradiction between the information provided in the datasheet and the schematic checklist.
    • 6 months ago
    • Interface
    • Interface forum
  • TUSB4020BI: I2S speed on USB hub

    Luke Sakamoto
    Luke Sakamoto
    TI Thinks Resolved
    Part Number: TUSB4020BI Hi team, My customer would like to know what is the min max speed(baud rate) for TUSB4020BI on I2C bus. I was not able to find it on the datasheet. Thanks, Luke
    • 7 months ago
    • Interface
    • Interface forum
  • TUSB4020BI: Using Upstream Power for Downstream Ports with TUSB4020BI:

    Khosro Lotfi
    Khosro Lotfi
    Part Number: TUSB4020BI Tool/software: Hello, I am using the ISOUSB111DWXR and TUSB4020BIPHP ICs for galvanic isolation of a USB hub in my design. I have connected the circuit as per the schematic, but I noticed that the pin configuration of ISOUSB111DWXR…
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • TUSB4020BI: Downstream USB Devices Not Recognized Due to PWRCTL1 Toggling

    Marvin Schlüssel
    Marvin Schlüssel
    Resolved
    Part Number: TUSB4020BI Dear TI Team We are observing an intermittent issue on a design using the TUSB4020BI as a USB 2.0 hub on our system‑on‑module. The downstream port in question (PWRCTL1) powers a second USB hub on the carrier board (signal name…
    • Resolved
    • 6 months ago
    • Interface
    • Interface forum
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