• TCA9534: I2C have a big glitch on data pin (TCA9534)

  

  Gordon Liu

  TI Thinks Resolved

  Part Number: TCA9534 Tool/software: Hi, I use the Arduino_UNO to control the chip TCA9534PWR and it can work but it have a have a big glitch on data pin. the glitch is a 1.7MHz puls and my cloxk is 50KHz, Add The RC filter is not work. Could you…

  • 4 months ago
  • Interface
  • Interface forum

• TCA9534: Does TCA9534 Have additional current consumption in standby mode?

  

  Erwin Noordhuis

  TI Thinks Resolved

  Part Number: TCA9534 Other Parts Discussed in Thread: TCA6408A Tool/software: I found out TCA6408A has an additional current in standby mode of around 25uA. I could not find a parameter like this for TCA9534 . Does that mean it doesnt exist? I need it…

  • 3 months ago
  • Interface
  • Interface forum

• TCA9534: Can be TCA9534 used with TCAL9539 using same I2C bus with 1MHz data rate?

  

  Kazuya Nakai59

  TI Thinks Resolved

  Part Number: TCA9534 Other Parts Discussed in Thread: TCAL9539 , TCA9535 , TCA9543A , TMUX136 Tool/software: Hello guys, One of my customers is considering using TCA9534 for their new products. At this moment, they have the following question. Could…

  • over 1 year ago
  • Interface
  • Interface forum

• TCA9534: Integrated TVS Diode

  

  Michael Jeong1

  TI Thinks Resolved

  Part Number: TCA9534 Hello Expert, We are using TCA9534PWR, TCA9535PWR now. When we checked block diagram, we can't find TVS Diode internally. Do these devices have some TVS Diode internally? I f not, do you have any recommended part which is…

  • over 2 years ago
  • Interface
  • Interface forum

• TCA9534: TCA9534A

  

  Carlos Yuan

  TI Thinks Resolved

  Part Number: TCA9534 How should I set it up so that P0 is configured as outputs. P1, P2,P3, P4, P5, P6 and P7 are configured as inputs.

  • over 2 years ago
  • Interface
  • Interface forum

• TCA9534: Detailed Register Spec for TCA9534

  

  RAJESH V

  Answer Suggested

  Part Number: TCA9534 Sir, I request a detailed register map specification for the the GPIO Expander TCA9534. We are attempting to control the GPIOs from a Raspberry PI. Thanks, Rajesh

  • over 3 years ago
  • Interface
  • Interface forum

• TCA9534: must configure again before writing IO

  

  jianxi.cao

  Part Number: TCA9534 Hello, I am using tca9534 as my IO expansion port to control a digital tube, now I have configured all the IO ports as output ports, I can set these IO ports to the number I want, I have read the datasheet of tca9534, I only need…

  • over 2 years ago
  • Interface
  • Interface forum
Answered

• TCA9534: Low-level input voltage max

  

  Sang Nguyen

  Resolved

  Part Number: TCA9534 Hi team, I would like to ask about the Low-level input max voltage of TCA9534PWR. I see in the datasheet there are 2 Low-level input max voltage corresponding to 2 Vcc range: So when I supply Vcc = 3.3V, what is the Low-level…

  • Resolved

  • over 2 years ago
  • Interface
  • Interface forum

• TCA9534: Cannot detect TCA9534 by I2c

  

  Feng bin Su

  Part Number: TCA9534 Other Parts Discussed in Thread: TCA6408A , Hi team, My customer is using our TCA9534 at their new design since the shortage of TCA6408A, and have the problem that we cannot detect TCA9534 via I2C . According to their previous…

  • over 4 years ago
  • Interface
  • Interface forum
Answered

• TCA9534: Unable to Drive the IO Expander TCA9534PWR from microcontroller TM4C1294ncpdt using I2C4

  

  Ramesh Rao

  Resolved

  Part Number: TCA9534 Other Parts Discussed in Thread: TM4C1294NCPDT , Unable to Drive the IO Expander TCA9534PWR from microcontroller TM4C1294ncpdt using I2C4. I have Initialised the I2C4 and am trying to configure the Io expander TCA9534 as output. But…

  • Resolved

  • over 2 years ago
  • Interface
  • Interface forum

Didn't find what you are looking for? Post a new question.