Rockbox mail archiveSubject: Re: How can you stand carrying the power supply around?
Re: How can you stand carrying the power supply around?
From: Andrew Jamieson <andrew.jamieson_at_projectlab.net>
Date: Wed, 15 Jan 2003 09:12:56 +1100
This has been discussed, and I am going to post a switchmode USB powered
solution. I am not a big fan of charge-pump convertors as power rails.
----- Original Message -----
From: "Joaquim Carvalho" <jdc_at_x64.com>
Sent: Tuesday, January 14, 2003 11:57 PM
Subject: How can you stand carrying the power supply around?
> The first I'll do when I get the jukebox is a voltage doubler to charge
> the batteries from the USB cable.
> All easily available ingredients:
> 2 or 3 MAX660 voltage doublers (200 or 300mA output current)
> 88% efficiency
> 5.5V max
> 100mA each
> SO-8 package
> 3 or 4 150uF smd tantalum capacitors
> Any other suggestions?
Received on 2003-01-15