• TCAL6416: Hiz mode

  

  Fred Cheng

  TI Thinks Resolved

  Part Number: TCAL6416 Hi team, we know TCAL6416 has push-pull and some output can support open drain, but we also want to know does the push-pull stay in HiZ or LOW when there's no input command perceived ?

  • 6 months ago
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• TCAL6416: address LOW definition

  

  Fred Cheng

  TI Thinks Resolved

  Part Number: TCAL6416 Tool/software: Hi team, my customer pull low ADDR pin with a 10kohm resistor, just want to know if it's accepctable or there's any impact to the internal voltage level?

  • 6 months ago
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• TCAL6416: power on reset necessary?

  

  Fred Cheng

  TI Thinks Resolved

  Part Number: TCAL6416 Hi team, I notice there's a power on sequence of VCCp of this device since customer now is considering to connect VCCp and VCCi together for convienience, so we wonder is it necassry and only way for VCCp to do this down…

  • 5 months ago
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• TCAL6416: Different Power-on timing causes intermediate voltage

  

  Hideki Hayashi1

  Part Number: TCAL6416 Hi team, During power-up in the customer's system, there is a timing difference between VCCP and VCCI startup, and when the VCCP_3.3V power is ON and the VCCI_3.3V power is OFF, a voltage of 2.0V was observed on VCCI. Customer…

  • 5 months ago
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• TCAL6416: Open drain/ Push-pull

  

  Far Hung

  TI Thinks Resolved

  Part Number: TCAL6416 Other Parts Discussed in Thread: TCA6416 , , TCA6416A Tool/software: Hi Expert, I want to check that if the device can support open drain? And what is different between TCA6416 and TCA L 6416? Dell is confusing below, highlight…

  • 7 months ago
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• TCAL6416: IO expansion chip

  

  Hailong Liao

  Part Number: TCAL6416 Tool/software: Is there any difference in the I2C communication of TCAL6416 compared to others? Why is my host unable to communicate with it? I have connected the RESET pin to high level and the ADDR pin to GND. VDD(I2C-bus) and…

  • over 1 year ago
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• TCAL6416: Software to control TCAL6416

  

  Doug Bailey

  TI Thinks Resolved

  Part Number: TCAL6416 Other Parts Discussed in Thread: USB2ANY I have a TCAL6416 on a board that I am just bringing up and need to control the part via the USB2ANY (I2C) adapter. What software program would I use to control that part? Regards, Doug…

  • over 2 years ago
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Answered

• TCAL6416: Schematic review of TCAL6416PWR

  

  sharique Ansari

  Resolved

  Part Number: TCAL6416 Tool/software: Hi, We have used TCAL6416PWR in one of our projects. Can anyone from please verify the schematic & let us know if its OK or needs some modifications.

  • Resolved

  • over 1 year ago
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Answered

• TCAL6416: Are there power sequences for VCCI and VCCP?

  

  Shunsuke Yamamoto

  Resolved

  Part Number: TCAL6416 Other Parts Discussed in Thread: TCA6416A Tool/software: Hi team, 1. May I know if there are any power sequences of VCCI and VCCP? Which one should be powered up first? Best regards, Shunsuke Yamamoto

  • Resolved

  • over 1 year ago
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• TCAL6416: Translating I2C Bus Sticky Reset Functionality

  

  Eric Cordero

  TI Thinks Resolved

  Part Number: TCAL6416 Tool/software: Data sheet specifies that sticky registers is possible upon reset here: "The system controller can re-initialize I2C/SMBus state machine in the event of a timeout or other improper operation by asserting a low on…

  • over 1 year ago
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