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Showing 178 results View by: Thread Post Sort by
  • TLC5940: tlc5940 with 1024 GSCLK Pulses Configuration Available?

    Jacky Hsu
    Jacky Hsu
    TI Thinks Resolved
    Part Number: TLC5940 I'm an newbie for tlc5940 . I got TLC5940 EVM from my boss. According to the datasheet,1 GS Data Output Cycle consists of 4096 pulses. I got a sample and sample code of TLC5940 EVM( USBv0.7_sourceCode, MCU: TUSB3210,software :LED…
    • over 5 years ago
    • Power management
    • Power management forum
  • TLC5940: Power on details

    Franz Schellhase
    Franz Schellhase
    TI Thinks Resolved
    Part Number: TLC5940 Other Parts Discussed in Thread: TLC5944 , Hi team, Can you answer the following customer question please? Unfortunately, the data sheet of the TLC5940 does not provide very detailed information about the Power-ON behavior. For…
    • over 4 years ago
    • Power management
    • Power management forum
  • TLC5940: On the cascaded chain of TLC5940, it happens that ein IC does receive signal but does not transfer it out.

    Rompel Schichtlem
    Rompel Schichtlem
    TI Thinks Resolved
    Part Number: TLC5940 Hi, I have developped my board based on TLC5940 as you can in the joined picture. I have cascaded 15 of this IC. having finishe the development I order the board and start doing some Test. It happen out of the 10 board that I…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • TLC5940: Short flash of LEDs during power-up

    Joakim Östh
    Joakim Östh
    Resolved
    Part Number: TLC5940 Hi! The TLC5940 is power by a 5V domain for VCC and the BLANK signal have a pull-up to 5V. To prevent random channel turn-on, BLANK should be pulled high firstly. For this reason I have a pull-up to the 5V. The LED:s are powered…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: TLC5940: Software library for stm32cube IDE

    Hardy Wu
    Hardy Wu
    Hi Roeland, I'd like to answer any application issues of TLC5940, but your question is more relate to the STM32 IDE. I think you need to contact ST company for help.
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: TLC5940: Python Library for TLC5940 on Raspberry Pi?

    Shawn Ding
    Shawn Ding
    Resolved
    Sorry we have no Python library for TLC5940. These may not come from TI. I will suggest to refer the below link for programming, www.ti.com/.../slvc106.pdf Regards, Shawn.
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • TLC5940: Can I paralleled TLC5940 outputs to provide High-Current outputs for my design

    Dexter
    Dexter
    Resolved
    Part Number: TLC5940 Dear all, I need a LED array design which need 300mA current each channel, but TLC5940 can provide 120mA each channel max. Can I paralleled TLC5940 outputs to provide High-Current outputs for my design ? Any help will be appreciated…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: TLC5940: Controlling TLC5940 with Raspberry Pi (3b): inconsistent behaviour

    user5256692
    user5256692
    Resolved
    Hello Kenneth Sorry I found the answer yesterday and I didn't post immediately here. Yes I sent the BLANK at the right time. The problem was that the output pins of the Raspberry Pi 3 are either giving 0V or 3.3V and I supplied power to the TLC5940…
    • over 7 years ago
    • Power management
    • Power management forum
  • TLC5940: Maximum cascade devices

    Tomoaki Yoshida91
    Tomoaki Yoshida91
    TI Thinks Resolved
    Part Number: TLC5940 Hi team, I have a question for maximum cascaded devices. I understand that the maximum number of cascaded devices is 40. For example, if the clock speed is quite low, will the maximum number change? Is it a maximum of 40…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • TLC5940: About output current

    Tomoaki Yoshida91
    Tomoaki Yoshida91
    Resolved
    Part Number: TLC5940 Hi team, I have some questions about the absolute maximum rating of the output current. It is written that Output current is DC 130mA. Does this mean that it does not include instantaneous current such as power supply transient…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
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