supported by the National Natural Science Foundation of China under Grant No. 61176025 and No. 61006027;the Fundamental Research Funds for the Central Universities under Grant No.ZYGX2012J003;National Laboratory of Analogue Integrated Circuit Grants under Grants No. 9140C0901101002 and No. 9140C0901101003;New Century Excellent Talents Program under Grant No.NCET-10-0297
Supplying the electronic equipment by exploiting ambient energy sources is a hot spot. In order to achieve the match between power supply and demands under the variance of environments at real time, a reconfigurable t...