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Showing 93 results View by: Thread Post Sort by
    Answered
  • LP5523: External voltage on LED channel

    Cameron Nichols
    Cameron Nichols
    Resolved
    Part Number: LP5523 Hi Team, So as part of our design, we are using the LP5523. As one of our requirements we need to have a non-I2C based LED for Fault indication, however we ideally want to double up this LED with the PWM functionality provided by the…
    • Resolved
    • 7 months ago
    • Power management
    • Power management forum
  • LP5523: Is this a normal behavior for I2C on this IC? There is a spike of noise on SDA seemingly on the transition from bit 7 to 8.

    Anthony Sandoval
    Anthony Sandoval
    TI Thinks Resolved
    Part Number: LP5523
    • 9 months ago
    • Power management
    • Power management forum
  • Answered
  • LP5523: two LP5523 design

    Tommy Tzeng
    Tommy Tzeng
    Resolved
    Part Number: LP5523 Hi Team, may know if two LP5523 design are used, what should be done to achieve synchronization. set using I2C-compatible chip address? control register read/write cycle?
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • LP5523: How do I correspond to 9 channels in the device tree?

    Kirk Zhang
    Kirk Zhang
    TI Thinks Resolved
    Part Number: LP5523 Hi TI team, I know LP5523 LED driver has 9 channels. Our project uses two LP5523 LED drivers. But we found the LED behave strangely. So I want to confirm if the device tree 'chan0' is corresoinding to 'D1'? Could you…
    • over 2 years ago
    • Power management
    • Power management forum
  • LP5523: Cannot run two blink pattern on two different RGB in parallel

    Yorick Brunet1
    Yorick Brunet1
    Part Number: LP5523 Hello, I'm developing a driver for the LP5523 in order to manage 2 RGB LEDs (let's call them B and C) and 1 individual LED (let's call it A). I developed blinking/breathing/etc. patterns using the instruction set. LED A…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LP5523: LED Driver IC only run register with I2c , not with 3 engines

    ming you
    ming you
    Resolved
    Part Number: LP5523 hello , i have a lp5523 LED ic , now i config the registers through I2C , not use 3 engines, to light one LED. LP5523_write_byte(0x00,0x40); LP5523_write_byte(0x05,0x01); LP5523_write_byte(0x16,0x10); LP5523_write_byte(0x26,0x02); …
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • LP5523: internal clock use with two devices and TRIG for synchronous operation

    David Mckinney
    David Mckinney
    TI Thinks Resolved
    Part Number: LP5523 Can you confirm that we can use two LP5523 with the TRIG pins configured as shown in page 50 of the datasheet in Figure 26 as the Typical Application Schematic with both devices running from their internal oscillators? (no external…
    • over 3 years ago
    • Power management
    • Power management forum
  • LP5523: layout guide line for LP5523

    user021864
    user021864
    TI Thinks Resolved
    Part Number: LP5523 Hi, Because the layout guide line is too rough and all the pin is very closed, I wanna know if the layout of EVM is able to show or if there are other layout suggestion? EX: width of wire, numbers of layers, device placement..... …
    • over 4 years ago
    • Power management
    • Power management forum
  • LP5523: Concerns/impact on design

    EEngineer505
    EEngineer505
    TI Thinks Resolved
    Part Number: LP5523 Hello, I designed in a .47uF, 6.3V rated cap into C1/C2, instead of the recommended .47uF, 10V from the datasheet. I'm not able to find a 10V rated cap in the same package size and I'm not able to have additional design changes.…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LP5523: I2C 1.8V compatable

    David Mckinney
    David Mckinney
    Resolved
    Part Number: LP5523 Can you advise if the Ven is set to 1.8V, will the I2C pins be 1.8V compatible with 0.8 * Ven and 0.2 * Ven thresholds per the datasheet?
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
>

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