Re: [avr-chat] AVR on 1 AA bat with just 1 L and 1 C

[Russell Shaw]

Bob Paddock wrote:
> On Thu, 24 Mar 2005 07:18:26 -0500, Graham Davies 
> <address@hidden>  wrote:
>
> > > I think e.g. ATtiny15 could be operated from just one 1.5V battery
>
> > As other people seem to be taking this seriously,
>
> http://www-s.ti.com/sc/psheets/slaa105/slaa105.pdf
>     
> "MSP430 Ultra-Low Power Microcontrollers        
>     
> Simple 1.5 V Boost Converter for MSP430
>
> A simple, efficient, low-cost, boost converter to take 1.5 V from a 
> single  type-AA alkaline battery to the operating voltage required by 
> the MSP430  family of ultralow-power microcontrollers is described. 
> Expected battery  life is up to 1000 hours.
>
> Download .pdf (slaa105.pdf, 49 Kbytes)"
>
> Of course the MSP430 DC/DC convert does have regulation, unlike the  
> ATtiny15 explosive example.  Convert works with anything, simple
> transistor based design.

If it happens to get into a state where Q1 and Q2 are both conducting,
it'll be going nowhere fast;)