Technology Front
Ultra-Low-Power Boost Regulator for Energy Harvesting Systems
Published: Apr 09,201489 Read
Analog Devices, Inc. introduced the ultra-low-power boost regulator for photovoltaic and thermoelectric energy harvesting systems. The ADP5090 ultra-low-power boost regulator represents a significant leap forward in energy harvesting technology.
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By delivering efficient conversion of the harvested power (as low as 10 uW), ADP5090 with sub-uW operational losses that stores the maximum amount of energy for future operation.
Features:
－ Ultra-low quiescent current hysteretic boost regulator for best ultra-light load efficiency
－ Iq (sys) < 350 nA when CBP voltage > MINOP voltage
－ Iq (sys) < 250 nA when CBP voltage < MINOP voltage
－ Input voltage operation range from 100 mV (minimum) to 3.3 V (maximum)
－ Cold start from 380 mV (typical) with charge pump
－ Programmable MPPT ratio for PV or TEG energy sources with open voltage sensing(OCV)
－ Programmable shutdown point on MINOP pin based on VIN OCV level
－ Programmable voltage monitor (2 V to 5.3 V) to support charging different storage
－ Optional power path management if a backup primary cell battery is connected to BACK_UP
－ See data sheet for additional features
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