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ProductsIoTEnergy HarvestDC/DC Switching Regulators
Presentation video introducing R1801 series, buck DC/DC Converter for energy harvester with adjustable Maximum power point control, adjustable output voltage and PG function.
R1810 Boost DC/DC Converter for Energy Harvester
Applicable for charging from 1-cell photovoltaic element
Solar Powered Keyboard realized with R1800 and RP604
Using Ricoh's ICs, you can create solar powered keyboard.
R3500 4-Channel Voltage Detector with Diagnostic Method
42V Voltage Regulator with High EMI Noise Immunity
Buck-Boost DC/DC converter with 300nA quiescent current and additional battery monitor circuit
Vin Max 30V, 1A Buck DC/DC Converter with Synchronous Rectification and PWM control
42V Input Window Voltage Detector with Diagnostic Function