power limitation

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  1. B

    Limit power (current) to LED matrix

    Hi all, I have a question about the simplified circuit of the below image. It is about a 16x16 5V LED matrix, controlled via wifi by a controller board with an ESP 8266. I do have more details about all components used, but I try to keep my question simple. :) I can control the LED matrix by...
  2. A

    Li-Ion battery current limitation??

    Hello all, I am using TPS61253 Boost IC to boost 3.8V from 375mAH Li-Ion battery to operate a load of 2A and also charge the backup Li-Ion battery of 115mAH using BQ25895 chip. Looks like battery is not able to deliver the necessary current and the load circuit does not boot up correctly. Is...
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