Lead-Acid Battery Charger Becomes A Subfunction In A Microcontroller

by Vasilj Davidovic, MSc student, Nedjeljko Lekic, professor assistant, Zoran Mijanovic, professor, University of Montenegro Department of Electrical Engineering, Electronic Design, Mar 29 2007

Focus:
To create an uninterruptible power supply (UPS), this circuit uses a small portion of a microcontroller (and little processor time) and some external discrete components to implement a lead-acid battery charger and power source switch.

What you’ll learn:

• How to build a lead-acid battery charger controlled by a system's existing microcontroller
• How to build a simple UPS with 5-V output
• UPSs

Notes:
ED's Ideas For Design

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