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Showing 169 results View by: Thread Post Sort by

  • TCA6408A-Q1: Max supply volatge

    TI Thinks Resolved
    Part Number: TCA6408A-Q1 Hi team, I want to check TCA6408A-Q1 support 1.8/ 2.5/ 3.3V I2C, but don't support 5V I2C? Regard, Amber

  • TCA6408A-Q1: Please review the schematic

    TI Thinks Resolved
    Part Number: TCA6408A-Q1 Dear TI experts, My customer made their first schematic with TCA6408A-Q1. Could you review the schematic below? Best regards, Chase
    • Answered

  • TCA6408A: TCA6408A Power Sequence Issue

    Resolved
    Part Number: TCA6408A Other Parts Discussed in Thread: TCAL6408 Hi there, I've used TCA6408A before and the I2c bus will be stuck during high temp if VCCI is powered before VCCP, also TI has provided a new package to address this issue. May I know…
    • Resolved

  • TCA6408A: DTS document

    Answer Suggested
    Part Number: TCA6408A Other Parts Discussed in Thread: TCA6408 Could you please provide me the DTS for TCA6408ARSVR evaluation? DTS is requested from the software development team.
    • Answered

  • TCA6408A: Question about difference between TCA6408A datasheet version SCPS192D and SCPS192E.

    Resolved
    Part Number: TCA6408A Other Parts Discussed in Thread: TCA6416A Hello guys, One of my customers received PCN of TCA6408A and TCA6416A recently. Also each device datasheet versions are changed from SCPS192D to SCPS192E for TCA6408A and from SCPS194E to…
    • Resolved

  • TCA6408A: VCCp unpowered while VCCi powered.

    TI Thinks Resolved
    Part Number: TCA6408A I have a design where VCCi will be +3.3V and VCCp will be +1.8V. Often, VCCp will be unpowered, and the peripheral connected to the GPIO ports connected to VCCp will be unpowered. VCCi will be powered, and there are other peripherals…

  • TCA6408A: TCA6408A: Cannot control GPIO H or L

    Part Number: TCA6408A Our project use TCA6408A 8 GPIO all as output to control Power chip enable, due to TCA6408A output is push-pull, GPIO no PU or PD. We tried to remove terminal power chip, just connector left, and remove source I2C, just use Aardvark…
    • Answered

  • TCA6408A: Case parallel pin is not connected and left open.

    Resolved
    Part Number: TCA6408A Hi Team, On my design (P5-P7) are not used. I am not sure D/S coves the case parallel pin is not connected and left open. Is that Okay or PU/PD should be added? best regards.
    • Resolved

  • TCA6408A-Q1: GPIO pin can be used as INT

    TI Thinks Resolved
    Part Number: TCA6408A-Q1 I have some concern regarding with i/o Expander TCA6408AQPWRQ1 INT Pin. Now, I want to add above 2 Switch on GPIO as input with this Expander IC and connect it with this Deserializer. for same i have some questions. Q1. At which…
    • Answered

  • TCA6408A: Power-On Reset Requirements

    Resolved
    Part Number: TCA6408A Dear Technical Support Team, The datasheet has been updated to RevE. Ramping up the device VCCP before VCCI is recommended to prevent SDA from potentially being stuck LOW. Does enabling reset remove the stuck and return to normal…
    • Resolved
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