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Power: Add charging current limit setting #247

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SinKy-Yan opened this issue Oct 6, 2024 · 4 comments
Open

Power: Add charging current limit setting #247

SinKy-Yan opened this issue Oct 6, 2024 · 4 comments
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needs-triage Enough information, needs to be investigated

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@SinKy-Yan
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Description of the feature you're suggesting.

I'm using a DIY Flipper Zero, and its PMU inductor packaging is incorrect. It overheats at the default charging current. I'd like to add a setting to adjust the charging current in the power settings. I noticed the driver already records the corresponding register locations. I tried using ChatGPT to write code for adding this setting, but it didn't succeed.

Anything else?

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@Aholicknight

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@Willy-JL

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@SinKy-Yan
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Yes, because the inductor package I am using is a bit small, the inductor temperature rises to 60 degrees when charging at 600mA. I believe that after it is enclosed in the casing, the temperature will be even higher, which seems to pose a safety hazard.

@Willy-JL Willy-JL added the feature New feature or request label Oct 30, 2024
@Willy-JL Willy-JL changed the title add setting to adjust charging current limit Power: Add charging current limit setting Oct 30, 2024
@Willy-JL Willy-JL added the needs-triage Enough information, needs to be investigated label Oct 30, 2024
@RichardoC
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It looks like the official board uses BQ25896 for charging with datasheet https://www.ti.com/lit/ds/symlink/bq25896.pdf

Looks like you need to adjust the bits in REG00 in https://github.com/Next-Flip/Momentum-Firmware/blob/dev/lib/drivers/bq25896.c in bits 0-5?

@956MB 956MB removed the feature New feature or request label Jan 25, 2025
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