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Showing 338 results View by: Thread Post Sort by
  • PCF8575: Pull-Down Resistor Values for PCF8575

    Priya Lakshmi
    Priya Lakshmi
    Answer Suggested
    Part Number: PCF8575 Other Parts Discussed in Thread: SN74AHC14 , SN74LVC14A , SN74LV14A Tool/software: Hi, The PCF8575 datasheet indicates that the I/Os are high at power-on. To prevent any backdriving of the previous circuitry connected to these pins…
    • 6 months ago
    • Interface
    • Interface forum
  • Answered
  • PCF8575: Finding .lib or .asy file

    Abigail Leonardi
    Abigail Leonardi
    Resolved
    Part Number: PCF8575 Tool/software: Hi, My customer is looking to simulate this device and cannot find the model in PSpice for TI model. They were wondering if you would be able to share with a .lib or .asy file for this part?
    • Resolved
    • 5 months ago
    • Interface
    • Interface forum
  • Answered
  • PCF8575: managing I/O with current protection Chip

    nicola gatewers
    nicola gatewers
    Resolved
    Part Number: PCF8575 Other Parts Discussed in Thread: TCAL6416 , TCA6416A , Tool/software: Hi All, I have the schematic below to validate. P0 as output , P1 as input. At power up I need P0 is not to "0" (ground) otherwise it will be shutoff my…
    • Resolved
    • 7 months ago
    • Interface
    • Interface forum
  • PCF8575: PCF8575DB

    user6350528
    user6350528
    Part Number: PCF8575 Tool/software: The light does not turn on after the power is powered on or does not turn on for 2 minutes. The replacement of the last batch of materials was found to be back to normal, please help to check the reason, thank you
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • PCF8575: Using PWM

    Yigal BenZeev
    Yigal BenZeev
    Resolved
    Part Number: PCF8575 Other Parts Discussed in Thread: LP5009 Tool/software: Can the PCF8575 generate PWM? Does it have internal clock? I assume it is possible to generate something like PWM in software, yet this will not be accurate and require…
    • Resolved
    • over 1 year ago
    • Interface
    • Interface forum
  • PCF8575: PWM controller with I2C interface

    Ahmet Inan
    Ahmet Inan
    TI Thinks Resolved
    Part Number: PCF8575 Other Parts Discussed in Thread: TCA6507 Tool/software: Hi TI Technical Support Team, I have a project where I need to drive SG90 Servo motor (hobby motor). I have to control this motor through I2C interface (this is must). The…
    • over 1 year ago
    • Interface
    • Interface forum
  • AM3358: u-boot to detect gpio-expander pcf8575 and mcp23017

    Mahesh Gaikwad
    Mahesh Gaikwad
    Part Number: AM3358 Other Parts Discussed in Thread: PCF8575 Tool/software: I need to drive some outputs which are connected on gpio-expander. i have PCF8575 and MCP23017 which works pretty well when linux is booted. i need to have ability to drive some…
    • over 1 year ago
    • Processors
    • Processors forum
  • Answered
  • PCF8575: Output is lower than expected

    David Cosio
    David Cosio
    Resolved
    Part Number: PCF8575 Other Parts Discussed in Thread: TCA9535 , SN74LXC8T245 , TCA9539 I'm currently trying to control an array of MOSFETS so I can drive several solenoids. I'm using the Boron from particle.io as my main board, the PCF8575 as my I/O expander…
    • Resolved
    • over 1 year ago
    • Interface
    • Interface forum
  • PCF8575: Use PCF8575 as input

    YixiangYang
    YixiangYang
    TI Thinks Resolved
    Part Number: PCF8575 Dears, Thanks for your support in advance. 1. Below is the Block Diagram of PCF8575 from datasheet( I marked 1,2,3 three MOSFETS,), in my understanding this P-port is push-pull output (MOSFET2 and MOSFET3), my question is: when…
    • over 2 years ago
    • Interface
    • Interface forum
  • Answered
  • PCF8575 크랙: [PCF8575 ]If there is a default pull-down resistor in output mode

    Lee HyungTae
    Lee HyungTae
    Resolved
    Part Number: PCF8575 Other Parts Discussed in Thread: TCA9535 , PCA9535 VCC 3.3V 입력, 포트는 출력 모드로 사용 중이다. 출력 라인에 기본 풀다운 저항(10Kohm)이 있는 경우 높은 출력 레벨은 3.3V가 아닌 약 2V 레벨로 출력됩니다. 무엇이 문제일까요?
    • Resolved
    • over 2 years ago
    • Interface
    • Interface forum
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