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Interface

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Interface forum

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Texas Instruments (TI) Interface support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search interface IC content or ask technical support questions on everything from ESD protection to interfacing with USB, Ethernet, and HDMI. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TCAL9539-Q1: What I2C IO Expanders Support Q1 Grade?

    Tyler Townsend
    Tyler Townsend
    FAQ: Logic and Voltage Translation > IxC >> What I2C IO Expanders Support Automotive Grade 1? There are a total of 3 to date. TCAL9539-Q1 - 16-bit, 1.08V to 3.6V I2C IO Expander, single supply, interrupt, reset, Agile I/O Configuration TCA6408A…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] I2C IO Expander Schematic Checklist

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 FAQ: Logic and Voltage Translation > IxC >> I2C IO Expander Schematic Checklist IO Expander Checklist …
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is the Auto Increment Feature in I2C IO Expanders?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA6424A FAQ: Logic and Voltage Translation > IxC >> What is the Auto Increment Feature in I2C IO Expanders? The auto-increment feature of I2C IO Expanders is when the registers of the device automatically increment…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is PassFET Hang Time?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA39306 FAQ: Logic and Voltage Translation > IxC >> What is PassFET Hangtime? To understand what passFET hangtime is, we need to define what a passFET is. A passFET is a transistor where the drain and source terminals…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] TCAN1057A-Q1: why is the CAN Mosfet and Diode used

    Cicely Tang
    Cicely Tang
    Part Number: TCAN1057A-Q1 Tool/software: Hello experts! I have a question about the purpose of the Mosfet and diode in CAN interface? Further,How does CAN implement arbitration and error correction functions through hardware?
    • Answered
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83822HF: How does power up sequence affect PHY operation?

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83822HF Tool/software: For DP83822, there is a guidance where AVD and VDDIO must not exceed 0.3V prior to complete supply ramp, with an additional footnote suggesting AVD to ramp up after VDDIO to avoid false detection of VDDIO. False detection…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is Stuck Bus Recovery?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA4307 FAQ: Logic and Voltage Translation > IxC >> What is Stuck Bus Recovery? Stuck Bus Recovery is a mechanism built into an I2C device that automatically attempts to free the SDA bus during a stuck LOW condition…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What Makes an I2C Buffer Hot-Swappable?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA9511A FAQ: Logic and Voltage Translation > IxC >> What Makes an I2C Buffer Hot-Swappable ? Hot-Swap also known as Hot-Plug means the unpowered device can be inserted into a live backplane without disruption of service…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E & DP83869HM: Expected Back-Powering on Power Supply Pins

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: DP83867E DP83869HM Other Parts Discussed in Thread: DP83869HM Tool/software: The following FAQ applies to the DP83869HM and all versions of the DP83867: E/IS/CS/IR/CR The Analog Supply pins (VDDA2P5 & VDDA1P8) power the MDI portion…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What Connections of I2C Buffers are not Allowed?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA9617B , TCA9509 , TCA9801 , TCA9800 , TCA9803 , TCA9802 , TCA9511A , TCA4307 FAQ: Logic and Voltage Translation > IxC >> What Connections of I2C Buffers are not Allowed ? Part Numbers: TCA9517 , TCA9517A , TCA9509…
    • over 1 year ago
    • Interface
    • Interface forum
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  • Answered

    TPS65987D: I2C2 addressing support 0 Locked

    505 views
    6 replies
    Latest over 3 years ago
    by Lalit Bhambhani
  • Answered

    SN65DPHY440SS: i2c control 0 Locked

    201 views
    1 reply
    Latest over 3 years ago
    by David (ASIC) Liu
  • Not Answered

    TCAN4550-Q1: schematic review 0 Locked

    351 views
    1 reply
    Latest over 3 years ago
    by Jonathan Nerger
  • Suggested Answer

    TLK3131: HSTL termination always receive data after reset 0 Locked

    322 views
    1 reply
    Latest over 3 years ago
    by Rodrigo Natal
  • Suggested Answer

    DS90UH949-Q1: HDCP_ENC_EN 0 Locked

    148 views
    1 reply
    Latest over 3 years ago
    by Ben Dattilo
  • Suggested Answer

    DP83TC812S-Q1: Can software modify Bootstraps? 0 Locked

    255 views
    5 replies
    Latest over 3 years ago
    by Nikhil Menon
  • Answered

    DS90UH940-Q1: Required register settings on 940 to enable audio with 949 0 Locked

    313 views
    3 replies
    Latest over 3 years ago
    by Logan Cummins
  • Suggested Answer

    DP83869HM: Layout Guidelines 0 Locked

    242 views
    1 reply
    Latest over 3 years ago
    by Nikhil Menon
  • Answered

    DS90UH947-Q1: Valid DOUT available after INITA? 0 Locked

    174 views
    1 reply
    Latest over 3 years ago
    by Michael.Walker
  • Answered

    TUSB9261: Power sequence 0 Locked

    241 views
    5 replies
    Latest over 3 years ago
    by Malik Barton57
  • Answered

    PCA9306-Q1: PCA9306 In Switch Mode with Vref1 and Vref2 grounded 0 Locked

    358 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    TCA9545A: unused I2C SDA/SCL pin connection 0 Locked

    246 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN75DP126: Support up to DP1.4 0 Locked

    319 views
    2 replies
    Latest over 3 years ago
    by Mike Yu
  • Suggested Answer

    TPD7S019: spec about TPD7S019 0 Locked

    202 views
    1 reply
    Latest over 3 years ago
    by Ansel Song
  • Answered

    TPS65994AE: how to connect pins of unused port 0 Locked

    203 views
    2 replies
    Latest over 3 years ago
    by KKF
  • Suggested Answer

    TPD3S014-Q1: output capacitor 0 Locked

    551 views
    3 replies
    Latest over 3 years ago
    by Ansel Song
  • Not Answered

    TPS65987D: Send data to I2C3 over I2C1 0 Locked

    1476 views
    22 replies
    Latest over 3 years ago
    by Ghouse Mohiuddin23
  • Suggested Answer

    TPS65987DDK: UFP Sink only mode - standalone, for USB 2.0 Type A and USB x.0 Type C - laptops/PCs/Displays/Wall Warts 0 Locked

    551 views
    4 replies
    Latest over 3 years ago
    by Jacob Ontiveros
  • Suggested Answer

    TCA9555: Internal IO-Pullup Range? 0 Locked

    465 views
    1 reply
    Latest over 3 years ago
    by Eric Schott1
  • Suggested Answer

    TCAN1042HV: TCAN1051HV-Q1 0 Locked

    390 views
    5 replies
    Latest over 3 years ago
    by Eric Schott1
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