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  • LP5861: LP5861 Powered On State

    Part Number: LP5861 Tool/software: Hi When LP5861is powered on, the MC data is set to default value, which is 15 mA. LED current is default when powered on and device enable. I use LED with max current 10mA. How to set the initial current value…
    • Answered

  • LP5861: LP5861 VLED higher voltages

    Resolved
    Part Number: LP5861 Other Parts Discussed in Thread: TLC59116 Tool/software: If I connect VLED to 5V and don't use the internal FET can I connect two or three LEDs in series and connect the anode of the top LED to say 12V? All of the diagrams show the…
    • Resolved

  • LP5861: Reads of LP5861 always respond with register 1's data

    TI Thinks Resolved
    Part Number: LP5861 Tool/software: I have received samples of the LP5861 and have connected it up. I tied Vsync low through a resistor and programmed it to MODE1. I have IPS tied low and A1 = 3.3V and A0 = 0V. It responds to 0x48 - 0x4A when I talk…
    • Answered

  • LP5861: Max input current on VIO_EN pin

    Resolved
    Part Number: LP5861 Tool/software: I'm planning on just tying the VIO_EN pin high, but was wondering why the datasheet doesn't specify the VIO_EN current when active. I'm guessing that my uController could supply enough current using a typical GPIO since…
    • Resolved

  • LP5861: Analog Dimming Mechanism & Response Time

    Part Number: LP5861 Tool/software: Hi, I'm designing a circuit which can be summarized as LP5861 driving 16 LED brightness via analog dimming. Each LED connected to each channel of L5861. Only 8 LED is turned on at the same time, it's either channel 0…
    • Answered

  • LP5861: Analog Only Dimming?

    Resolved
    Part Number: LP5861 Tool/software: I'd like to use the LP5861 (or similar chip) in a noise sensitive application. Is it possible to configure the LP5861 chip PWM settings so that the there is no switching on the outputs and use just the analog dimming…
    • Resolved

  • LP5861: Dynamically controlling individual LEDs

    TI Thinks Resolved
    Part Number: LP5861 Hi - For LP5861 18-Channel LED Driver, it has MC settings, CC (Group Current) setting, and DC (Dot Current). Can LP5861 handle dynamic modification to DC (Dot current settings) for individual LED ? Are there any drawback to changing…
    • Answered

  • LP5861: LOB and LSB register questions

    Resolved
    Part Number: LP5861 Hi expert, 1. How do you calculate the fault reporting time of LOD and LSD? What does 4 sub-periods time meant? 2. Also in 8.3.6, it states that the removal function can be set by enabling "LOB_removal" bit in Dev_config2…
    • Resolved
    • Answered

  • LP5861: Is it no problem to leave VSYNC open when VSYNC is not used?

    Resolved
    Part Number: LP5861 Tool/software: Hello guys, One of my customers considering using LP5861 for their new products. At this moment, they have the following questions. Could you please give me your reply? Q1. Is it no problem to leave VSYNC open…
    • Resolved

  • LP5861: CS Pin cannot be controlled and LED cannot be lighted

    TI Thinks Resolved
    Part Number: LP5861 Hi team, My customer faced a problem during using our LP5861. They found that they cannot control the CS pins. The schematic is attached, and first you can help review the schematic, whether it has any problems. LP5861 Schematic…

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