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  • Users: RussJK
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  1. RussJK

    Problem understanding connecting power and logic ground in schematic

    Hi all, I'm designing V2 of a PCB that uses a TI TPS6102x boost converter (http://www.ti.com/lit/ds/symlink/tps61020.pdf). I don't understand the schematic concerning the logic ground and power ground. All the caps and R2 are tied to PGND while PS and GND are tied to power ground. What's the...
  2. RussJK

    Boost converter producing exactly 1/2 expected voltage

    Hi all, I'm an experienced software engineer designing my first commercial hardware device (we're a startup with no money to hire a real EE). It's a battery-powered sensor using the TI TPS61025 synchronous boost converter to provide a fixed 3.3V output. I designed and built it according to...

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