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Efficient current, voltage, and power sensing are critical blocks for power management, switching regulators, maximum power point tracking (MPPT) circuit, and motor control. This paper presents a standard CMOS and low-power current-to-digital converter (IDC) that senses the current flowing at high-voltage nodes. The proposed sensor uses a CMOS-switched capacitor circuit to sense a dc–dc converter...
Integrated and efficient maximum power point tracking (MPPT) is a critical need in the photo-voltaic power generation system. One of the key components of the MPPT is current and power sensor. This paper presents a low-power integrated current sensor implemented in standard low-voltage CMOS technology. The proposed current sensor is a current-to-digital converter circuit, removing the need for an...
Photo-voltaic systems are affected by converter losses, partial shading and other mismatches in the panels. This paper presents a sub-panel maximum power point tracking that removes the bypass diodes of the panels to optimize the individual sub-panels. Compared to the panel maximum power point tracking, the sub-panel maximum power point tracking reduces the mismatches, losses and increases the output...
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