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Showing 47 results View by: Thread Post Sort by
    • 11/4/2025
    • Yi Yi Chen

    TS5A21366: wafer size & node process(nm) information for TS5A21366RSER & TPS259531DSGR

    Part Number: TS5A21366

    HI TI team, 

    Please help to provide the wafer size and node process(nm) information for below items. 

    This is for Dell's new dock project. Thanks. 

    PN# IC PN Usage per product Lead time (Wks) Fab(s) Fab COO Node Process (nm) Wafer Size (inch)
    118H0-004571-01 TS5A21366RSER 1 10 TI CN, DE    
    118H0-021424-01 TPS259531DSGR 1 16 TI US    

     

    Power management forum Power management
    • 9/26/2025
    • Austen Fogarty

    TS5A21366: Power Down I2C Slave Device

    Part Number: TS5A21366

    Tool/software:

    Hi, 

    I am designing a system where a slave I2C device will be powered down while the master is still on. Therefore, I need to isolate the slave from the I2C bus and the TS5A21366 looks suitable. 

    My question is about the power on/off sequence of the device. The 3V3 power supply (SMPS) will be shutdown by an external enable signal from the master device (MCU). Will the setup in the schematic below work? I'm concerned that as the device is powering down (3V3 approaches 0V), the switchs will remain on and 3.3V from the I2C bus will remain on the slave I2C pins until the TS5A21366 switches off. Would this damage the TCA9535? In the TCA9535 datasheet it says "For voltages applied above VCC, an increase in ICC results." 

    Another option is to connect the 3V3 external enable signal to the IN1 and IN2 pins so that the TS5A21366 switches are disabled at the moment the 3V3 regulator is switched off. However, when the 3V3 is switched back on, IN1 and IN2 will go high before the V+ pin is brought up to 3V3. 

    Datasheet: "To avoid an increased quiescent current (ICC) condition, proper power sequencing must be followed to ensure that the bias circuitry is powered up prior to applying voltage on the I/Os. The proper sequence is for the VCC pin to be brought up to VCC before the control inputs (IN1, IN2) are allowed to go to a high level."

    With the setup in the schematic, would this also be an issue as the IN pins are powering up at the same time as VCC?

    Also, the master(MCU) is on a seperate PCB via an FPC and 3V3_MCU is not avaliable on the PCB with the slave device, so devices like the TCA9803 would not be suitable.

    Looking forward to your response and hoping we can come to a decisive conclusion as this has to work first try.

    Thanks,

    Austen

    Switches & multiplexers forum Switches & multiplexers
    • 7/28/2023
    • Oliver Lin

    TS5A21366: TS5A21366 S-parameter request

    Part Number: TS5A21366

    Hi team,

    My customer is asking S-parameter of TS5A21366, could the team kindly share to me? Thank you.

    Switches & multiplexers forum Switches & multiplexers
    • 3/8/2024
    • Riccardo Pennacchio

    TS5A21366: Reflow Profile

    Part Number: TS5A21366

    Hi,

    can you send me the reflow soldering profile of TS5A21366RSER?

    Thanks.

    Best Regards

    RP

    Switches & multiplexers forum Switches & multiplexers
    • 6/11/2023
    • CHO SR

    TS5A21366: Schematic Review

    Part Number: TS5A21366

    Hi,

    The customer wants to control with the MCU signal instead of a specific physical button on the remote control.

    1. Input High with IN1, short NO1 & COM1 and use it to press the button.

    2. Input High with IN2, short NO2 & COM2, and use it to press the button.

    Please check if there is any problem logically.

    Switches & multiplexers forum Switches & multiplexers
    • 2/2/2021
    • jayashree

    TS5A21366: TS5A21366

    Part Number: TS5A21366

    Hi Team,

    In my current design, I am looking for a de-multiplexer which should take both 12V and 3.3V level as input. Is a de-multiplexer available which supports my requirement?

    DOUT with 12V / UART_TX with 3.3V any one at a time will be given as input to the IC. Please suggest me a bi-directional IC, 

    High level block diagram of my requirement is given for your reference.

    With regards,

    Jayashree.

    Switches & multiplexers forum Switches & multiplexers
    • 1/13/2022
    • Henk de Vries

    TS5A21366: Power-down Isolation behavior

    Part Number: TS5A21366

    I am experiencing unexpected behavior in a circuit where TS5A21366 is used to isolate an I2C bus from a subcircuit that is powered down. I simplified the issue to the following stand-alone circuit:


    When 3V3 is present the NO pins are pulled to 3V3 by the 10k resistors. When 3V3 is switched off, the switches are supposed to open so that the NO pins are pulled by the weak voltage divider on the right. When 3V3 drops fast, everything works fine: Green = VDD, Pink = IN1, Blue = COM1, Yellow = NO1


    But when the 3V3 drops slowly (as it does on my actual board), the switches remain on for almost 10 seconds before turning off, effectively pulling down my signals on the NO side:

    There's no power-down behavior documented in the datasheet. Is this expected behavior? Do you have anny suggestions for a fix?



    Switches & multiplexers forum Switches & multiplexers
    • 11/17/2021
    • Cedrick

    TS5A21366: & TS5A22364-Q1 TINA-TI model

    Part Number: TS5A21366

    Hi,

    Good day.

    Our customer is requesting for a TINA-TI model for TS5A21366 and TS5A22364-Q1.

    Can you please help us with this? Thanks.


    Regards,

    Cedrick

    Switches & multiplexers forum Switches & multiplexers
    • 6/24/2021
    • Alice Ng

    TS5A21366: Alternative part for TS5A21366RSER

    Part Number: TS5A21366

    Hi, 

    I'm leveraging Intel Tigerlake Thunderbolt design. And I notice TS5A21366RSER is out of stock & have a very long lead time. 

    Can you recommend an alternative part to replace TS5A21366RSER?

    Thanks.

    Switches & multiplexers forum Switches & multiplexers
    • 1/10/2019
    • hao Su

    TS5A21366: thermal problem of TS5A21366

    Part Number: TS5A21366

    Hi :

    In data sheet, it said that the firee-air temperature of TS5A21366 is -40--85C.

    My question is what will happen if I use TS5A21366 in 100C?

    Our product need to survive in 85C, that means that the temperature of TS5A21366 could be 100C.

    thank you

    Switches & multiplexers forum Switches & multiplexers
>

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