YPD4704P

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Part Status:	Active

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(，HTML）YPD4704P is an integrated circuit designed specifically for the energy-harvesting circuit applications where piezoelectric materials can generate very small levels of voltage. It is described by its original manufacturer, Semiconductor Corporation, as a high performance and cost-effective energy-harvesting regulator. It features high efficiency, high output voltage ripple and excellent conversion performance.The YPD4704P is a step-up controller for piezoelectric energy harvesting. It is based on a switching controller topology, with an input voltage range of 0.5V to 2.5V. The device converts low input voltages from piezoelectric transducers into high output voltage regulation with the help of the integrated MOSFET transistors. The YPD4704P has two operating modes: pulse frequency and pulse-width modulation (PWM). The pulse frequency mode is used when the energy harvester input voltage is high enough to drive the MOSFET transistors. The PWM mode is used when the input voltage is low and the pulse-width of the transistors is adjusted to average the input voltage to the output voltage.The YPD4704P is an ideal solution for energy harvesting applications where long-term operation and reliability are must-haves. It is highly efficient, with up to 95% efficiency in different operating scenarios. It features low quiescent current and low output voltage ripple. Its switching frequency can also be adjusted through external resistors and capacitors.The YPD4704P has a wide range of applications in different energy harvesting scenarios, such as solar panel, thermal, and motion energy sources. It can be used in various applications such as consumer electronics, lighting, industrial sensors, medical devices, and transportation devices. It can regulate the input voltage from sources such as photovoltaic cells, thermoelectric generators, and piezoelectric energy sources.In summary, the YPD4704P is a high-performance, cost-effective energy harvesting regulator suitable for a wide range of applications. It is designed to deliver excellent conversion performance and low output voltage ripple. Its switching frequency can also be adjusted through external components and it has a wide input voltage range. It features high efficiency, low quiescent current, and long-term reliability.

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