Hi Adam, I'd be interested in what charger you are referring to. I have the Superbrain949 from MRC which was $48. I thought this was what you were referring to until you started mentioning capability that the 949 doesn't have. I had been contemplating the Titan but its a lot more than what you are talking about. Would appreciate a specific model. Thanks, FJ >From: "M. Adam Davis" >Reply-To: pic microcontroller discussion list >To: PICLIST@MITVMA.MIT.EDU >Subject: Re: [EE]: NmHi charger chip recommendation required >Date: Fri, 2 May 2003 10:14:04 -0400 > >It may not be worth it to build one yourself. If you go to your local >hobby shop you'll find a wide variety of NiMH and NiCd chargers for RC >car use. > >The one I purchased has ten custom settings (for ten different packs), >will fast charge up to 6A, and handle packs up to 12V. It uses a small >character LCD and three buttons to handle all settings. It tells you >when it's done charging, how much current the pack accepted before >finishing, and the current voltage of the pack. It also tells you if >the pack is shorted or reverse polarity. > >I got it for ~$50, which isn't as cheaply as I could have made one, but >it certianly has more features than I would spend the time to put into >one, and the fact that I can define 10 different packs means I can >simply plug in any of my packs and start charging with a few button >presses, rather than re-configuring the thing. > >There are cheaper ones available as well. > >-Adam > >Tim Box wrote: > >>Hi All >> >>Can any body recommend a battery charger chip to charge 4 AA NmHi 2000ma >>batteries (4.8v total)? >> >>I can feed it any voltage required 3 to 12 volts and if necessary it can >>be >>current limited (rather not though as no room for a heat sink). >> >>I would like it to have an output to indicate charging, full and top/up. >>It >>would be nice to also have a signal if no or duff battery >> >>Lastly not to expensive and not to many ancillary components >> >> >>Many many thanks >> >>Tim >> >>-- >>http://www.piclist.com hint: PICList Posts must start with ONE topic: >>[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads >> >> >> >> >> > >-- >http://www.piclist.com hint: PICList Posts must start with ONE topic: >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads _________________________________________________________________ MSN 8 with e-mail virus protection service: 2 months FREE* http://join.msn.com/?page=features/virus -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads