From: David C Brown <dcb.home@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Wed, 29 Apr 2020 07:49:18 -0700
Subject: Re: [EE] Voltage regulator with high input voltage
Thread-Topic: [EE] Voltage regulator with high input voltage
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How is that superior to the solution that Denny proposed in the first reply=
?

__________________________________________
David C Brown
43 Bings Road
Whaley Bridge
High Peak                           Phone: 01663 733236
Derbyshire                eMail: dcb.home@gmail.com
SK23 7ND          web: www.bings-knowle.co.uk/dcb
<http://www.jb.man.ac.uk/~dcb>



*Sent from my etch-a-sketch*


On Tue, 28 Apr 2020 at 20:47, Byron Jeff <byronjeff@clayton.edu> wrote:

> Personally I wouldn't spend any effort on this. Just buy something like a
> uxcell golf cart power converter. It's overkill. But it solves the proble=
m
> in 5 seconds flat. It's waterproof too.
>
> BAJ
>
> On Mon, Apr 27, 2020 at 06:24:16PM +0100, David C Brown wrote:
> > I am designing a current monitor for my e-bike.  Using an INA169 hi sid=
e
> > current senor into a mid range PIC with a two digit LED display.
> >
> > Problem is getting the 5 volts for the PIC from the e bike battery whic=
h
> is
> > nominally 36v but can rise to over 40 volts when fully charged.  Most
> small
> > linear regulators seem to be rated at 36v..
> >
> > Current would be a couple of milliamps with the display off (most of th=
e
> > time).  Nearer 100 with the display on..
> >
> > Any suggestions
> >
> >
> > __________________________________________
> > David C Brown
> > 43 Bings Road
> > Whaley Bridge
> > High Peak                           Phone: 01663 733236
> > Derbyshire                eMail: dcb.home@gmail.com
> > SK23 7ND          web: www.bings-knowle.co.uk/dcb
> > <http://www.jb.man.ac.uk/~dcb>
> >
> >
> >
> > *Sent from my etch-a-sketch*
> > --
> > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > View/change your membership options at
> > http://mailman.mit.edu/mailman/listinfo/piclist
>
> --
> Byron A. Jeff
> Associate Professor: Department of Computer Science and Information
> Technology
> College of Information and Mathematical Sciences
> Clayton State University
> http://faculty.clayton.edu/bjeff
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
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