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There are four types of people that post on help forums like this one:
1 - Spammers that are posting solely to promote a product
2- Those that are too lazy to do research and want a quick answer to a problem
3 - People that have attempted to solve their problem but need help from someone...
Gsm Man addressed all of the things you need to look at in his post #25. Even in a battery powered design, a full ground plane is just "part" of the solution. Other things to look at include:
- Impedance of your power supply traces (how wide are they)
- The length of your battery leads -...
Regardless of whether, or not, you call a function from your ISR (which is perfectly acceptable given the constraints others mentioned), the critical thing is the length of time the ISR service routine takes to execute. If the code takes too long to execute your system can become "interrupt...
A "properly designed" laptop will not significantly increase the temperature of the battery! A lot of effort is made to thermally insulate the battery from the electronics. Feel your laptop's batteries - if they feel hot there is something wrong.
Yes, FREQUENT topping will reduce the battery...
It's pretty obvious there's a lot of people posting on this thread that don't know their batteries from a hole in the ground. Apparently, they wrongly beleive that Li-On batteries are simailr to NiCad and suffer the same problems.
Li-On batteries do not exhibit any form of "memory" and do not...
Why don't you make a little effort to educate yourself and make the decision for yourself. This Microchip Web site has a ton of information for you: **broken link removed**
It's all about the Transient Response; for your app the Vpk Undershoot is the critical factor.
Check out this YouTube video on PS Transient Response
YouTube - Agilent DC Power Supply Transient response what is it? how is it measured? and why is it important?. Pay particular attention to the...
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