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  • TLC551: Oscilation

    TI Thinks Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: TLV170 Hi Team, Can you please check the inquiry below? A time delay circuit with TLC551CD chip is used in the design with a 2.49Meg in parallel with a 22uF cap connected to the trigger input of the…

  • TLC551: lambda parameter in LTspice

    TI Thinks Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: TINA-TI , Hello, What can I do to solve this error in LTspice: "Unrecognized parameter "lambda" -- ignored" Thanks in advance,
    • Answered

  • TLC551: Time delay during monostable operation

    Resolved
    Part Number: TLC551 Hi , I am looking for replacements for a TI LMC555CMX timer because it is out of stock. I have found the TLC551CD timer and it seems like the specifications will be suitable for my application however there is one important spec i am…
    • Resolved

  • TINA/Spice/TLC551: Square wave generation with 1.2/1.3V supply

    TI Thinks Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: TINA-TI , , TLC555 Tool/software: TINA-TI or Spice Models Hi, Can we make a circuit for square wave generation of peak voltage 1.2V, with the supply voltage as 1.2/1.3V? If yes, please suggest a schematic…
    • Answered

  • TLC551: TLC551 Threshold / Timer Circuit

    Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: SN74AUC1G14 Hi, I am looking to use a TLC551 as a reset/timer type application. Basically when the trigger input pin goes below 0.5V, i'd like the TLC551 to set its output. Ideally it wouldn't…
    • Resolved

  • TLC551: Replace TLC551

    TI Thinks Resolved
    Part Number: TLC551 Hello, I have two PCBs, First one is good, but second one is defective. I tested the defective board then I found the timer "TLC551CP" is defective, so I took this timer from good PCB and installed it in second PCB then it comes OK…
    • Answered

  • TLC551: Connecting(shorting) pins 3 and 7.

    Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: LM555 , NE555 , Hello, Can the Output pin be shorted to the Discharge pin? If shorted together, then please observe that in TI's transistor-level equivalent schematic, that there might be substantial shoot…
    • Resolved
    • Answered

  • tlc551: CONT pin; 1V operation of part

    Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: TLV1702 Hello, Does the part tlc551 truly function down to 1V or am I missing something? For example, do the propagation delays from input to output become really slow? Also, I'm trying to find out…
    • Resolved
    • Answered

  • TINA/Spice/TLC551: Resolve NP and NZ parameters using correct VT definition.

    Resolved
    Part Number: TLC551 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models Hello, I'm attempting to use your tlc551 spice model in LTSPICE, and am getting errors stating: "Can't resolve .PARAM NP = {0.3/(VT*LOG(1 + 5.0M/ISP…
    • Resolved
    • Answered

  • TLC551: Glitchy override sequence whenever Trigger pin low while Threshold pin high, while at sub 1.3 Vdd

    Resolved
    Part Number: TLC551 Hello, On the TLC551, the output is showing low while the Trig pin is low, and the Thresh pin is high, but the Trig is supposed to override Thresh. This problem usually occurs while operating the device at Vdd below 1.3V, although…
    • Resolved

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