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Energy harvesting is an emerging technology for powering wireless sensor nodes, enabling battery-free operation of these devices. In an energy harvesting sensor, a power management circuit is required to regulate the variable harvested voltage to provide a constant supply rail for the sensor circuits. The power management circuit needs to be compact, efficient, and robust to the variations of the...
In this paper, the regulated dual phase charge pump with compact size is presented. This charge pump uses the dual phase technique to reduce the output ripple and proposes a new power stage to define the stability of the overall system. This charge pump provides output voltage 5V and maximum load current 50 Am with the constant frequency regulation. This design is based on TSMC 035 mum 3.3V/5V CMOS...
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