Abstract: The design of an energy sensor and a minimum energy point tracking algorithm are presented. When synthesized with standard cells in a 0.13μm CMOS process, the tracking algorithm requires ...

When operated from a 1.2V supply, the sensor dissipates only 80μW, which is further reduced by a comparator-sharing scheme. The sensor has a resolution of 10fJ and can resolve 0.0025 activity changes ...