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Battery Monitors
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Battery Monitors: #-D
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Last Updated on:
Thursday, October 29, 2009 10:51 AM |
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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 |
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Links to electronic circuits, electronic schematics, designs for engineers, hobbyists,
students & inventors:
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Shunt regulator monitors battery voltage - 09/18/08 EDN-Design Ideas: A shunt
regulator and a handful of associated components function as a battery
monitor.....(design idea added 008/09) |
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Simple Circuit Disconnects Load - 02/17/00 EDN-Design Ideas:.....(design idea
added 11/05) |
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Simple Circuit Disconnects Load from Battery - 03/14/96 EDN-Design Ideas: (design
idea added 5/02) |
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Simple circuit indicates health of lithium ion batteries - 05/14/09 EDN- Design
Ideas, A simple inexpensive circuit quickly indicates a battery pack's
health.....(design idea added 08/09) |
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Simple Circuit Monitors Battery Voltage - 11/11/96 EDN-Design Ideas: (design idea
added 5/02) |
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Simple Circuit Safely Deep Discharges NiCd Battery - 04/29/99 EDN-Design Ideas:
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.....(design idea added 11/05) |
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Solar Car Battery Monitor Schematic - (electronic circuit added 7/03) |
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Solid state relays simplify monitoring electric car Battery Voltage - 02/19/04 EDN-Design
Ideas: Figure 1 shows the propulsion system of an electric vehicle. It includes an
electric motor, drive electronics, a mechanical transmission, vehicle control/power
management, a charging system, and a battery. The long-term performance of the
electric vehicle depends on ensuring the electrical health of the battery and its
charging system.....(design idea added 1/05) |
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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. |
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Battery
Monitors: #-D
E-R S-Z |
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