Messages in this thread | | | Date | Mon, 27 Mar 2023 22:22:04 +0200 | Subject | Re: [PATCH 00/10] Add RT5033 charger device driver | From | Jakob Hauser <> |
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Hi Pavel,
On 25.03.23 17:08, Pavel Machek wrote: > Hi!
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>> - The third option of the rt5033 chip is enabling charging termination. This >> also enables a re-charge cycle. When the charging current sinks below the >> end-of-charge current, the chip stops charging. The sysfs state changes to >> "not charging". When the voltage gets 0.1 V below the end-of-charge constant >> voltage, re-charging starts. Then again, when charging current sinks below >> the end-of-charge current, the chip stops charging. And so on, going up and >> down in re-charge cycles. In case the power consumption is high (e.g. tuning >> on the display of the mobile device), the current goes into an equilibrium. >> The downside of this charging termination option: When reaching the end-of- >> charge current, the capacity might not have reached 100 % yet. The capacity >> to reach probably depends on power consumption and battery wear. On my mobile >> device, capacity reaches 98 %, drops to 96 % until re-charging kicks in, >> climbs to 98 %, drops to 96 %, and so on. Not reaching 100 % is a bit >> confusing to the user, too. > > Is the system powered from the battery in the not-charging case?
Yes, at RT5033 in the "not charging" state the system draws the power from the battery.
...
Kind regards, Jakob
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