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Showing 31 results View by: Thread Post Sort by
    Answered
  • TLC5944: Request for Information on TLC5944 LED Driver Usage

    emily cad
    emily cad
    Resolved
    Part Number: TLC5944 Other Parts Discussed in Thread: LP5864 , TUSB3410 Hello, I have a specific requirement to drive a LED array consisting of 60 LEDs, with 30 IR LEDs and 30 RED LEDs. After researching the capabilities of the TLC5944, I believe that…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TLC5944: VUP connection when LEDs aren't being multiplexed

    Franz Schellhase
    Franz Schellhase
    TI Thinks Resolved
    Part Number: TLC5944 Hi team, Can you have a look at the following customer question, please? In the section "Internal Pre-Charge FET" of the data sheet it is stated that the pin "VUP" (Pre-charge FET power supply) has to be connected with the supply…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • TLC5944: How to handle unused output pins.

    Jongkap Oh
    Jongkap Oh
    Resolved
    Part Number: TLC5944 Hello, I would like to know how to handle unused output pins of TLC5944. There is a related thread already and it says "for unused output pins, pull them down to the GND" . But isn't it detected by the LOD and generate XERR…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • TLC5944: Optimizing power consumption (VCC), with all LED's off

    Dav01
    Dav01
    TI Thinks Resolved
    Part Number: TLC5944 Other Parts Discussed in Thread: TLC59461 , TLC5945 Hi, I'd like some input on how to read the supply current specs for the TLC5944 led driver. Can I assume that Icc3/Icc4 in the datasheet (picture below) is without any…
    • over 8 years ago
    • Power management
    • Power management forum
  • TLC5944: Optimizing power consumption (VCC), with all LED's off

    Dav01
    Dav01
    TI Thinks Resolved
    Part Number: TLC5944 Hi, I'd like some input on how to read the supply current specs for the TLC5944 led driver. Can I assume that Icc3/Icc4 in the datasheet (picture below) is without any LED's "on"? Why does Typ/Max increase together with…
    • over 8 years ago
    • Power management
    • Power management forum
  • tlc5944: maximum output current allowable on outn pin

    Marcin Madeja
    Marcin Madeja
    TI Thinks Resolved
    Part Number: TLC5944 Other Parts Discussed in Thread: TLC5945 , TLC5944 Dear All, In datasheet there is maximum output current 70mA. Can this device can handle with current up to 70mA if i put reference resistor about 750 ohm Iref pin ( estimated current…
    • over 8 years ago
    • Power management
    • Power management forum
  • Disable TLC5944 LOD detection

    Stefan Burstrom
    Stefan Burstrom
    Other Parts Discussed in Thread: TLC5944 Hi! I am using TLC5944 in a multiplexed back lighting solution and I am running all the LEDs off a LiIon battery. I have noticed that some leds only shine for a short period of time and I have verified that this…
    • over 9 years ago
    • Power management
    • Power management forum
  • TLC5944/about unused pin

    Tsukui Yusuke
    Tsukui Yusuke
    Other Parts Discussed in Thread: TLC5944 Hi, Could you tell me about TLC5944 terminal processing? How should the unused output pin process it? And, Is the data output may be 0 (000000b)? I will listed below the use conditions of the customer. ・Customers…
    • over 10 years ago
    • Power management
    • Power management forum
  • TLC5944/about GS and DC shift register

    Tsukui Yusuke
    Tsukui Yusuke
    Hi, Could you tell me about GS and DC shift register DCSEL changeing timing? Data sheet has the following description in page19 and 20. '' A DCSEL level change is allowed when SCLK is low and 100 ns after the rising edge of XLAT.'' My customers are trying…
    • over 9 years ago
    • Power management
    • Power management forum
  • Answered
  • TLC5944/about internal register of SOUT pin

    Tsukui Yusuke
    Tsukui Yusuke
    Resolved
    Other Parts Discussed in Thread: TLC5944 Hi, Could you tell me about TLC5944 SOUT pin? Please tell me the following register value. Customers want to know its value for circuit design. Best Regards, Yusuke/Japan Disty
    • Resolved
    • over 10 years ago
    • Power management
    • Power management forum
>

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