Rockbox mail archive
Subject: Re: More aggressive Rockbox battery chargingRe: More aggressive Rockbox battery charging
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From: [IDC]Dragon <idc-dragon_at_gmx.de>
Date: Mon, 7 Feb 2005 10:55:04 +0100 (MET)
> Matthias is using a 9+v charger which, according to the FAQ, gives him
> about
> 140mA current into the Archos. The problem is, this is only slightly more
> than is necessary just to run the AJR (and less than needed when the disk
> spins up). With a limit of 40% duty cycle (24/60), his charger is falling
> behind.
The Recorder hardware can measure both the cell voltage and the DC input
voltage, and could derive the charging current from that. Perhaps the duty
cycle should be a function of this?
Jörg
Date: Mon, 7 Feb 2005 10:55:04 +0100 (MET)
> Matthias is using a 9+v charger which, according to the FAQ, gives him
> about
> 140mA current into the Archos. The problem is, this is only slightly more
> than is necessary just to run the AJR (and less than needed when the disk
> spins up). With a limit of 40% duty cycle (24/60), his charger is falling
> behind.
The Recorder hardware can measure both the cell voltage and the DC input
voltage, and could derive the charging current from that. Perhaps the duty
cycle should be a function of this?
Jörg
-- DSL Komplett von GMX +++ Supergünstig und stressfrei einsteigen! AKTION "Kein Einrichtungspreis" nutzen: http://www.gmx.net/de/go/dsl _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockboxReceived on 2005-02-07
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