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Showing 136 results View by: Thread Post Sort by
  • TCA9543A: Question regarding TCA9543A I2C configuration

    Joel Brantley
    Joel Brantley
    TI Thinks Resolved
    Part Number: TCA9543A In a configuration where you are using multiple master devices with each master device having an I2C connection to a single TCA9543APWR that is connected to a common shared I2C bus. If each TCA9543APWR had the same I2C address pin…
    • 17 days ago
    • Interface
    • Interface forum
  • TCA9543A: TCA9543A series connected to TCA9548A

    Jacob Davisson
    Jacob Davisson
    Part Number: TCA9543A Other Parts Discussed in Thread: TCA9548A , Is it possible to have a single TCA9548A downstream on each port of the TCA9543A? Addressing the TCA9548A through the TCA9543A seems to be giving me trouble in the firmware. Not sure if…
    • 11 days ago
    • Interface
    • Interface forum
  • Answered
  • TCA9543A: TCA9543A "Vpass" and "VDPUx"

    simon lee
    simon lee
    Resolved
    Part Number: TCA9543A 1. What is the relationship between "Vpass" and "VDPUx" in the TCA9543A? 2. What is the relationship between "VCC" and "VDPUx" in the TCA9543A?
    • Resolved
    • 2 months ago
    • Interface
    • Interface forum
  • TCA9543A: About TCA9543A I2C Configuration

    Richard Liu
    Richard Liu
    TI Thinks Resolved
    Part Number: TCA9543A Due to the SoC GPIO limitation , the two I2C pins are also used as boot strap pins . During SoC startup, these I2C pins must be held low initially. Therefore, we added a MOS circuit to control the power-up timing of the I2C pull…
    • 8 months ago
    • Interface
    • Interface forum
  • TCA9543A: TCA9543A: software code controlling the device tca9543a

    nitish kareliya
    nitish kareliya
    TI Thinks Resolved
    Part Number: TCA9543A Other Parts Discussed in Thread: TMP102 Tool/software: Hi Team In my application, i am using I2C expander TCA9543A interfaced with MSP430FR-2475 MCU over the I2C channel and temperature sensor is also interfaced over I2C on the…
    • over 1 year ago
    • Interface
    • Interface forum
  • TCA9543A: VDD voltage

    Danilo A.
    Danilo A.
    TI Thinks Resolved
    Part Number: TCA9543A Hi Team, Posting on behalf of our customer. For my application, master is 1.8V and both slaves are 3.3V. so we design the VDD supply of TCA9543A ic is 1.8V and master pullup resistors are 1.8V, the slaves pullup's are 3.3V because…
    • 8 months ago
    • Interface
    • Interface forum
  • TCA9543A: Regarding the Tj specification of TCA9543APWR

    Allen yang
    Allen yang
    TI Thinks Resolved
    Part Number: TCA9543A Hi Team, Regarding the Tj specification of TCA9543APWR The datasheet only specifies Ta = 85 °C and does not indicate Tj. The customer would like to confirm whether Tj can be higher than 105 °C. Please provide the Tj (junction temperature…
    • 6 months ago
    • Interface
    • Interface forum
  • TCA9543A: TCA9543A SCH review

    Brian Chan
    Brian Chan
    TI Thinks Resolved
    Part Number: TCA9543A Tool/software: Hi Team could you help me check below SCH? ' They pull SCL/SDA to 1.8V I2C, SC0/SD0,SC1/SD1 to 3.3V I2C, Reset 1.8V IO, INT to 1.8V and A0/A1 to VCC. do you think above application is ok? BRs …
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • TCA9543A: How can scan i2c device connected to TCA9543A ?

    Jaecheon Yoo
    Jaecheon Yoo
    Resolved
    Part Number: TCA9543A Tool/software: Hi, experts Address 0x70 for this TCA9543APWR product is being scanned by the host. Currently we've connected i2c devices (MAX96714GTJ/VY+T) to TCA9543APWR via CAM1_I2C and CAM0_I2C net, but it doesn't seem…
    • Resolved
    • over 2 years ago
    • Interface
    • Interface forum
  • TCA9543A: TCA9543A VOH/VOL question

    Lee Jacky
    Lee Jacky
    TI Thinks Resolved
    Part Number: TCA9543A HI, For TCA9543A , we can not find VOH/VOL, only find the VIH/VIL . Please help to check it, thx
    • over 2 years ago
    • Interface
    • Interface forum
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