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Measuring haptic energy consumption

Posted: 05 Aug 2014 ?? ?Print Version ?Bookmark and Share

Keywords:visual feedback? haptic feedback? Haptics? smartphone? DRV2605?

Many electronic products must interact with the user or operator to communicate. For the last 40 years, the main communication methods in electronics have been audible or visual feedback; their main language of communication is sound and light. Today, haptic feedback has become another way for electronics to communicate with human beings, using their sense of touch. Haptics can be used in consumer, industrial, and automotive applications, such as a smartphone, tablet, mouse, ATM machine, and automotive infotainment systems.

A smartphone, smart-watch, and fitness tracker are all portable battery-powered systems that can use haptics. Many engineers may be concerned with the energy consumption of haptics in battery critical applications. The DRV2605 and DRV2667 are haptics drivers that can enhance the user experience with haptics, while at the same time minimizing energy consumption.

This document introduces three types of actuator technologies, explains how to measure energy consumption, and compares each type of actuator.

View the PDF document for more information.

Originally published by Texas Instruments Inc. at as "Haptic Energy Consumption".

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