How to lower relay power consumption

How to lower relay power consumption

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Clever way of starting-up relays discussed in this app note from Maxim Integrated. via dangerousprototypes.com

Relays are often used as electrically controlled switches. Unlike transistors, their switch contacts are electrically isolated from the control input. On the other hand, the power dissipation in a relay coil may be unattractive for battery-operated applications. You can lower this dissipation by adding an analog switch that allows the relay to operate at a lower voltage.

How to lower relay power consumption – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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1 Responses

  • 3 September, 2019 at 5:17 pm

    Have you looked into magnetic latching relays? Zero power to hold in on or off state. Only a little pulse is required to flip the state.

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