No battery required: Tactile switch uses energy harvesting

23rd August 2018
Posted By : Mick Elliott
No battery required: Tactile switch uses energy harvesting

The SPGA series from ALPS, a tactile switch that needs no battery or accumulator thanks to energy harvesting techniques is available from distributor Avnet Abacus. Based on magnetic induction technology, the modules measure just 17.5 x 23 x 17.9 and supply 170 µJ with every touch.

That's enough energy to control ceiling lights, pond pumps, door operators or similar via a low-power radio protocol such as EnOcean.

A 3.3mm switching distance means the SPGA series can also be used to detect the opening and closing of doors, drawers and cupboards.

One advantage of this series over conventional detector switches is its ability to detect the direction of movement.

When pressed, the switch generates a positive voltage pulse; when released, a negative one.

This feature, coupled with a minimum lifetime of 1 million switching cycles, also makes the series suitable for position detection in the field of robotics, for example.

Downloads


You must be logged in to comment

Write a comment

No comments




Sign up to view our publications

Sign up

Sign up to view our downloads

Sign up

unbound london 2019
17th July 2019
United Kingdom Old Truman Brewery, London
Girls in Tech | Catalyst | 2019
4th September 2019
United Kingdom The Brewery, London
DSEI 2019
10th September 2019
United Kingdom EXCEL, London
EMO Hannover 2019
16th September 2019
Germany Hannover
Women in Tech Festival 2019
17th September 2019
United Kingdom The Brewery, London