Ricoh Electronic Devices Company R1810 600nA IQ Boost DC/DC Converters

7 August, 2021

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Ricoh Electronic Devices Company R1810 600nA IQ Boost DC/DC Converters are boost DC/DC converters featuring a typical start-up voltage of 0.35V. Ricoh R1810 is designed for electrical power storage devices, especially 1-cell photovoltaic (PV) energy harvesters. The R1810 can start up with 9µW, making it ideal for charging a 1-cell PV element. R1810 can be used in a system working under a low-illuminance environment.

Features

Low quiescent current [600nA typical (IQ_V_OUT)]
High efficiency (66% at I_OUT = 5μA)
Startup with low input energy, 9μW (low illuminance)
Built-in maximum power point control function

Applications

Energy harvesting modules, especially 1-cell PV
Thermoelectric power generation

Specifications

0.35V typical start-up voltage
0.2V to 2.1V input voltage range
2.3V to 4.5V output voltage range
±5.0% output voltage accuracy
Input power good function
Output power good function

Application Schematic

more information: https://www.n-redc.co.jp/en/products/dc-dc-switching-regulator/spec/?product=r1810

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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