3.5 : Energy of time varying signals

Welcome to Week 3 Lecture 5 of the course "Electronic Systems Thinking", taught by Profs. Sankaran Aniruddhan, Boby George, and Janakiraman Viraraghavan. Full Course: https://study.iitm.ac.in/es/course_pa... Video Overview Ever wondered how your smartphone saves battery power.In this lecture, we explore the role of the power management unit and current sensors in monitoring energy consumption across key components like the display, processor, and antenna. You will see how features such as turning off the display during a call significantly extend battery life. We also discuss time varying currents, energy optimization strategies, and even suggest a simple experiment you can try to observe the power saving effect yourself. About IIT Madras' online Bachelor of Science programme IIT Madras offers four-year BS programmes that aim to provide quality education to all, irrespective of age, educational background, or location. The BS programme has multiple levels, which provide flexibility to students to exit at any of these levels. Depending on the courses completed and credits earned, the learner can receive a Foundation Certificate from IITM CODE (Centre for Outreach and Digital Education), Diploma(s) from IIT Madras, or BSc/BS Degrees from IIT Madras. For more details, Visit: https://www.iitm.ac.in/academics/stud... #smartphone #powermanagement #battery #energy #currentsensor #display #processor #antenna #lowpowermode #electronics #engineering #mobiletechnology #energyconsumption #tech #experiment #powersaving #PMU #smartfeatures