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vault backup: 2026-07-01 14:34:19

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ben committed 2026-07-01 14:34:19 -07:00
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PCB Design/Music Player/Process.md
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@@ -15,8 +15,8 @@ where
- $\eta$ = estimated converter efficiency - $\eta$ = estimated converter efficiency
(This is taken from section 8.2.2.2 of the datasheet) (This is taken from section 8.2.2.2 of the datasheet)
First, to calculate the duty cycle boost we can plug in the output voltage (3.3V) and the "minimum input voltage in boost mode" which for the BQ25985 is listed as 2.304V First, to calculate the duty cycle boost we can plug in the output voltage (3.6V) and the "minimum input voltage in boost mode" which for the BQ25985 is listed as 2.304V
$$D = \frac{{3.3 - 2.304}}{3.3} = 0.302$$ $$D = \frac{{3.6 - 2.304}}{3.6} = 0.302$$
Now calculating for $I_{PEAK}$ using the values Now calculating for $I_{PEAK}$ using the values
- $D = 0.302$ (calculated previously) - $D = 0.302$ (calculated previously)
- $f = 2.5$ (MHz, typical stated in datasheet) - $f = 2.5$ (MHz, typical stated in datasheet)