Answered

• TCA6416A: Can /INT pin be left floating with no pull up

  

  Jeff Coletti

  Resolved

  Part Number: TCA6416A Hi team I am 99% sure we are good with this need to be 100%, can I leave the /INT pin floating with no pull up? Thanks Jeff

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  • over 3 years ago
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Answered

• TCA6416A: About WQFN PKG size(measurements)

  

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  Resolved

  Part Number: TCA6416A Hi Team, We would like to know TCA6416ARTWR (WQFN)’s size(measurements). We found two case of measurements(Page41 and Page42). Which is correct data? Regards, Kanemaru

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  • over 3 years ago
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• TCA6416A: Read from the device register

  

  Sparsh Gupta

  TI Thinks Resolved

  Part Number: TCA6416A The Datasheet says to read a register you need to send Start-I2CAddress With Last bit 0-RegisterAddress-RepeartedStart-I2CAddress With Last bit 1 then you will receive the data from the RegisterAddress. Now since we are first sending…

  • over 3 years ago
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• TCA6416A: VCCP = 1,8v and Vi port =3,6V is no problem?

  

  Sergio Valiente

  Resolved

  Part Number: TCA6416A Hello, I can put a pull-up to 3,6V in PXX and VCCP to 1,8V? In datasheet look correct. Can you confirm it me? Thanks you

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  • over 3 years ago
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• TCA6416A: no response from this IO expander

  

  Chris Zhao1

  Resolved

  Part Number: TCA6416A Hi experts, Please refer to below for my schematic with TCA6416ARTWR, I have 4 parts in this I2C bus, all the other three works well except this one. 1) VCCI and VCCP are powered with 3.3V directly, while I saw recommendation that…

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  • over 3 years ago
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• TCA6416A: Letter of Volatility Request

  

  Cedrick

  TI Thinks Resolved

  Part Number: TCA6416A Hi, Good day. Our customer has requested to fill out the file "Letter of Volatility" for TCA6416A. We received an instruction to post it to E2E and the engineers will help us with this. Could you please confirm? If yes…

  • over 3 years ago
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• TCA6416A: TCA6416A

  

  Yonjgoon Choi

  TI Thinks Resolved

  Part Number: TCA6416A POR Release time when Power ON In data sheet, it says Trt (rise rate) is max. 2000ms. Then TCA6416A supply voltage is from 1.65V ~ 5.5V. Is there any Trt time difference from 1.65V to 5.5V? I think there should be time difference…

  • over 4 years ago
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• TCA6416A: TCA6416A I/O pin resistor value

  

  Bless Matz

  TI Thinks Resolved

  Part Number: TCA6416A What is the I/O pin pull down resistor value that can be used for TCA6416A is we are trying to ground it? (Vcc=3.3V)

  • over 4 years ago
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• TCA6416A: Cable Length

  

  Shota Mago

  Resolved

  Part Number: TCA6416A Hi team, I'm an Analog FAE supporting some industrial customers in Japan. Does TCA6416A have ability to drive 3m cable w/o hang up under EMC noise condition? Or is I2C driver needed for above application? Is there SPI I/O Expander…

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  • over 4 years ago
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• TCA6416A: Pull-up or pull down resistor

  

  Shunsuke Nagata

  TI Thinks Resolved

  Part Number: TCA6416A Hi, The default value of Configuration registers is set as INPUT for all of pins. During power on reset and fix the polarity with I2C, the pins are OPEN. so, should user pull up or pull down to the pins? Regards, Nagata.

  • over 3 years ago
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