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  • TPS3899-Q1: Reset assertion duration and sense delay duration

    TI Thinks Resolved
    Part Number: TPS3899-Q1 Other Parts Discussed in Thread: TPS3422 , TPS3899 Tool/software: Hello, We are considering TPS3899-Q1 for our design. Our use case conditions are as follows: 1. If the push-button connected to sense pin is pressed for a duration…

  • TPS3899-Q1: TPS3899DL31DSERQ1

    TI Thinks Resolved
    Part Number: TPS3899-Q1 Hi Team, In our circuit design featuring the Voltage Supervisor ( TPS3899DL31DSERQ1 ), we've set the undervoltage threshold to 3.1V. However, during RF data transmission, the voltage drops below this threshold, triggering the…

  • TPS3899-Q1: Schematic ON/OFF section Review

    TI Thinks Resolved
    Part Number: TPS3899-Q1 Other Parts Discussed in Thread: TPS3899 Hello, Earlier we are using LTC2954CTS8-1#TRMPBF, Now we are planning to replace with TPS3899DL01DSERQ1. Could you please review the connection of power ON/OFF control IC TPS3899DL01DSERQ1…

  • TPS3899-Q1: Negative-going input threshold for adjustable sense threshold version

    TI Thinks Resolved
    Part Number: TPS3899-Q1 Are there minimum and maximum values for the Negative-going input threshold for adjustable sense threshold TPS3899DL01DSERQ1? The datasheet only specifies a typical value, which does not support calculation of upper and lower…
    • Answered

  • TPS3899-Q1: RESET pin is deasserted when VDD and SENSE are supplied by a positive pulse narrower than the duration of reset time set by CTR

    Resolved
    Part Number: TPS3899-Q1 Other Parts Discussed in Thread: TPS3899 Hi, In the datasheet of TPS3899-Q1, I don't understand Figure 7-3: 1. What is the meaning of "VDD=SENSE", is the two pins connect together? 2. Since the width of positive pulse on…
    • Resolved

  • TPS3899-Q1: Inquiry about RESEST pin operation in abnormal conditions

    TI Thinks Resolved
    Part Number: TPS3899-Q1 Hello, My customer considers using the TPS3899DL01DSERQ1 with the follwoing conditions. How does RESET# work when V1 power is shorted to GND or V1 power is not supplied due to a disconnection? Thank you. JH
    • Answered

  • TPS3899-Q1: PSpice Transient Model to this part

    Resolved
    Part Number: TPS3899-Q1 Hello, How can I get a PSpice Transient Model to this part? Thanks
    • Resolved
    • Answered

  • TPS3803-Q1: info voltage on pin sense

    Resolved
    Part Number: TPS3803-Q1 Other Parts Discussed in Thread: TPS3808E-Q1 , TPS3890-Q1 , TPS3899-Q1 Goodmornig, I shall power supplies the device TPS3803-01QDCKRQ1 at 1.8V. On my schematic, the SENSE pin can go up to 6V. I would like to know if that pin…
    • Resolved
    • Answered

  • TPS3840-Q1: The test result of reset delay time don't match the calculation result

    Resolved
    Part Number: TPS3840-Q1 Other Parts Discussed in Thread: TPS3899-Q1 Hello TI team, Please help to clarify why the test result of reset time is lower than calculation result a lot. The IC we used is TPS3840DL29-Q1 (open drain and V_IT-=2.9V). I connected…
    • Resolved

  • TPS3899: About Rct(min) Rct(max) and tD(no cap,min)

    TI Thinks Resolved
    Part Number: TPS3899 Other Parts Discussed in Thread: , TPS3842 Hi I am caculate the range of the tD-SENSE (min) or tD (min) and the tD-SENSE (max) or tD (max) . I can not find the Rct(min) Rct(max) and tD(no cap,min) in the datasheet. Only typical…

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