CPLD autonomously powers battery-powered system
by Rafael Camarota, Altera Corp, San Jose, CA; Edited by Charles H Small and Brad Thompson, EDN, Apr 12 2007
Focus:
For battery-powered systems that require sampling of a variable at regular intervals (such as wireless data acquisition systems), a CPLD-based timer circuit will power the system on and off at the programmed time intervals, conserving energy and extending battery life in the application.
What you’ll learn:
- How to save battery power in data acquisition systems by powering the system up and down at programmed time intervals.
- How to add a power on-and-off timer to CPLD-based data acquisition systems
Notes:
An EDN Design Idea
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