Simple Battery Monitor Works With Higher Battery Voltages

by Jim Christensen, strategic application engineer, Maxim Integrated Products Inc., Sunnyvale, Calif., Electronic Design, Nov 07 2008

Focus:
A comparator, a voltage reference, and some passive components complete an inxepensive circuit for monitoring battery voltage, providing a logic-level change when the battery voltage is low.

What you’ll learn:

• How to build a simple battery monitor for lead-acid batteries
• How to detect low battery voltage with an inexpensive circuit

Notes:
ED's Ideas For Design

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