Heping Luo

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In this paper, the design of an inductive power link (IPL) for wireless power transfer (WPT) in brain-machine interface (BMI) applications is thoroughly studied. The constraints and requirements of BMI applications are analyzed. By theoretical derivations, the relationships between the IPL performances and its electrical parameters are determined. The(More)
This paper proposes a high power supply rejecttion (PSR) bandgap voltage reference using a CSMC 0.5um BCD process. The temperature coefficient of this circuit achieves 16.93~19.02 ppm/°C over a range of -40~125 °C when the input voltage is 4~36 V. Better PSR can be achieved since the potentials of critical nodes are not changed. The bandgap(More)
In this paper, a backside silicon-embedded inductor (BSEI) using a magnetic layer is proposed and studied for magnetic flux shielding and inductance enhancement. With the magnetic layer, the magnetic flux that goes under the BSEI chip is reduced by 2 to 3 times, and consequently the significant BSEI performance degradation in presence of a Cu die pad is(More)
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