Battery monitor also enables constant-power-boost converter

by Rex Niven, Forty Trout Electronics, Eltham, Victoria, Australia; Edited by Charles H Small and Fran Granville, EDN, Nov 08 2007

Focus:
A battery-powered, microcontroller implements a battery monitor, while also generating the PWM signal required to drive a boost converter with constant-power output for driving a white LED backlight.

What you’ll learn:

• How to build a microcontroller-based battery monitor
• How to build a microcontroller-based boost converter with constant-power output

Notes:
An EDN Design Idea

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