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LP55231: LP55231's all led dimming using SRAM(use engines)

taehwan lee
Prodigy 80 points
Part Number: LP55231
Other Parts Discussed in Thread: LP5813

Hello I am luis

I have a question about LP55231

1) Is it possible to program all 9 LEDs to have individual dimming timing using SRAM? Please provide example code if you have it.

2) Some leds run fixed PWM and the others run dimming, they have each dimming time

  • 0
    TI__Mastermind 19065 points

    Hi Luis,

    Nice to meet you, please refer the comments below.

    1) LP55231 can't program all 9 LEDs to have individual dimming timing using SRAM, it's because LP55231 totally has 3 engines internally.

    2) I think it could be feasible.

    Based on your description above, I prefer to recommend the next generation of LP55231 -- LP5813 to you. LP5813 has animation engine for each LED dot, so you can program each LED dot as you want.

    BR, Jared