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Schematic improvement: Tie VBUS and VSYS together on each Pico #62

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kpfleming opened this issue Mar 8, 2024 · 2 comments
Open

Schematic improvement: Tie VBUS and VSYS together on each Pico #62

kpfleming opened this issue Mar 8, 2024 · 2 comments

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@kpfleming
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According to the section 4.5 of the Pico datasheet, when only a single power supply is used for the Pico VBUS and VSYS can be tied together. This eliminates a small voltage drop across a diode in the power circuit, improving efficiency and eliminating some voltage ripple on VSYS.
@s51517765
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Is this same as the one below?

#9 (comment)

@kpfleming
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No, that's for powering both Picos from one source. This one is for a small improvement on each side, but that does not tie the sides together.

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@kpfleming @s51517765