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A unified single-stage solar harvester/LED display driver with power channel time multiplexing technique is proposed to achieve simultaneous maximum power point tracking (MPPT) and LED current regulation using two control variables. The operation state is automatically selected between power redundant and power hungry states to implement adaptive power steering. The D-hopping technique is proposed...
This paper presents a single-inductor dual-output (SIDO) boost converter operating adaptively in pseudo-continuous conduction mode (PCCM). By employing an on-line charge meter, the freewheel switching current of the converter is instantaneously adjusted based on load conditions so that conduction loss in the freewheel switch is minimized. Moreover, switching loss of the freewheel switch is also reduced...
In this paper, a digitally controlled integrated single-inductor multiple-output (SIMO) converter operating in pseudo-CCM (PCCM) mode is presented. With an adaptive freewheel current modulation (AFCM) technique, conduction loss of the freewheel switch is significantly reduced in unbalanced load conditions. Moreover, cross-regulation and switching noise are both effectively restricted. A prototype...
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