Answered

• TCA6408A-Q1: Check the Pn Status when Reset Pin is Low.

  

  Louis Han15

  Resolved

  Part Number: TCA6408A-Q1 Hello TCA6408A-Q1 use output Port. How does status the Pn if Reset Pin is Low for using output port? Regards.

  • Resolved

  • over 6 years ago
  • Interface
  • Interface forum

• TCA6408A-Q1: PWM Capability of I2C GPIO Expander

  

  Mark Malik

  TI Thinks Resolved

  Part Number: TCA6408A-Q1 Other Parts Discussed in Thread: TCA6408A Is the TCA6408A-Q1 capable of producing a low frequency PWM signal with good accuracy on the duty cycle? The frequency would be less than 400Hz and the duty cycle accuracy is assumed to…

  • over 6 years ago
  • Interface
  • Interface forum
Answered

• TCA6408A-Q1: Rated voltage?

  

  user4935759

  Resolved

  Part Number: TCA6408A-Q1 Does the TCA6408A-Q1 I/O expander support 5V slave voltage? The product overview list of I2C IO expanders on the TI site says this component is rated for 5V slave voltage, but the datasheet says 3.6V. Anyone know which one it…

  • Resolved

  • over 8 years ago
  • Interface
  • Interface forum

• TCA9555: Wider Operation Temperature

  

  Joyce Gao

  TI Thinks Resolved

  Part Number: TCA9555 Other Parts Discussed in Thread: TCA6408A-Q1 , TCAL6408 , TCAL9538 , TCAL6416 , TCAL9539 Tool/software: Hi expert, Could you help recommend a replacement for TCA9555PWR for a wider operating temperature (over 85℃)? Joyce

  • 1 month ago
  • Interface
  • Interface forum
Answered

• TCA6408A-Q1: Pullups vs VDDP voltages

  

  radar

  Resolved

  Part Number: TCA6408A-Q1 Champs, So if I power the VDDP pin with 1.8V on the TCA6408- can I have pullups to 2.8V if configured in open-drain mode? Normally I would have said this is a no-no in IC design; but if its truly open drain then maybe this works…

  • Resolved

  • over 8 years ago
  • Interface
  • Interface forum

• ULC1001：Power management forum

  

  Mike Hsu

  TI Thinks Resolved

  Part Number: ULC1001 Other Parts Discussed in Thread: TCA6408A-Q1 Tool/software: If my host I2C is 1.8V and I want to link I2C with ULC1001 that just only use 3.3V. Should I add level shift IC to contact I2C wiht ULC1001 ? And add use TCA6408A-Q1 that…

  • 7 months ago
  • Motor drivers
  • Motor drivers forum

• [FAQ] TCAL9539-Q1: What I2C IO Expanders Support Q1 Grade?

  

  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
Answered

• RE: TCA9539-Q1: Is the IO level following VCC?

  

  Tyler Townsend

  Resolved

  Hi Xiwen, IO levels follow VCC according to your explanation. If you need separate logic levels for the I2C and GPIO level side, then consider the TCA6416A or TCAL6416. Given you are looking at an automotive part, we do not have TCAL6416 or TCA6416A…

  • 7 months ago
  • Interface
  • Interface forum

• TCA9539-Q1: with 3 address bits

  

  TEMC

  TI Thinks Resolved

  Part Number: TCA9539-Q1 Other Parts Discussed in Thread: TCA9535 , TS5A23157-Q1 , TCA9548A-Q1 , TCA6408A-Q1 , TCAL9539-Q1 , Hi, please suggest part with the same specifications & standards with having of 3 address bits thanks in advance

  • over 2 years ago
  • Interface
  • Interface forum

• TCA6408A: TCA6408A

  

  ido Hamdi

  TI Thinks Resolved

  Part Number: TCA6408A Hi all! I was using the tca6408A UQFN package in my design. As it stands, there are no TCA6408A available in any package... I noticed the tca6408A-Q1 (TSSOP package) - Can anyone tell me if it is a direct alternative? if not…

  • over 3 years ago
  • Interface
  • Interface forum

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