Battery Monitors circuits, schematics or diagrams


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Battery Monitors Page 3
Battery Monitors: #-D E-R S-Z
Last Updated on: Tuesday, April 22, 2008 04:35 PM

Circuits Designed by Dave Johnson, P.E. :

THREE VOLT LOW BATTERY VOLTAGE FLASHER
This circuit is designed to monitor two alkaline cells (3v) that form the battery often used in portable electronic equipment. It use an inexpensive IC from Panasonic that is connected to an efficient LED flashing circuit. When the battery voltage drops below a certain point the circuit flashes the LED. In the off state the circuit draws only 1uA, while in the active flashing state it draws 20uA. Published in EDN, Jan 2, 1997

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Simple Circuit Disconnects Load from Battery: 03/14/96 EDN Design Ideas / (added 5/02)

Simple Circuit Disconnects Load: 02/17/00 EDN-Design Ideas / (added 11/05)

Simple Circuit Monitors Battery Voltage: 11/11/96 EDN Design Ideas / (added 5/02)

Simple Circuit Safely Deep Discharges NiCd Battery: 04/29/99 EDN-Design Ideas / (added 11/05) Nickel-cadmium (NiCd) batteries can possess an undesirable memory effect due to partial discharges. The remedy is a complete discharge before charging again. Figure 1a shows a simple circuit that performs this feat. Although relatively straightforward in concept, the circuit has three redeeming features: It receives its power from the battery undergoing the discharge; after the battery is fully discharged, the current drain is only approximately 4 µA, which is usually...

Solar Car Battery Monitor Schematic: (electronic circuit added 7/03)

Using the LTC1325 Battery Management Ic: AN64 Linear Technology App Note 64 details characteristics of various battery types and appropriate charging management schemes. The LTC1325 battery management IC is highlighted along with information for applying it to any type battery. Techniques and circuitry for conditioning, charging and monitoring NiCd, NiMH, Li-Ion and Lead-Acid batteries are presented.

Voltage Monitor Prevents Deep Discharge of Battery: 05/07/98 EDN Design Ideas / (added 05/02) contains multiple circuits scroll to find this circuit

Battery Monitors: #-D E-R S-Z