STEVAL-ISV019V1 Evaluation board for SPV1050 ULP energy harvester and battery charger boost configuration Data brief Description The STEVAL-ISV019V1 is an evaluation board based on the ultralow power energy harvester and battery charger SPV1050. For any detail related to the SPV1050 features and performances please refer to the datasheet. The evaluation board implements the boost configuration of the DC-DC converter and has the purpose of enhancing the SPV1050 based applications development by testing the silicon performance thanks to many jumpers and test points, and by helping to find out the best system configuration to make the SPV1050 device working at the most of efficiency. The STEVAL-ISV019V1 is optimized to: Harvest energy from PV panels supplying 0.5 V V 2.5 V and 30 A I 20 mA. MP MP Features Charge a battery with 3.7 V undervoltage First startup at Vin = 500 mV protection threshold (V ) and 4.2 V end of UVP charge voltage threshold (V ). Input voltage working range: EOC 150 mV Vin V EOC Nevertheless, few easy changes on the End of charge battery voltage: V = 4.25 V application components (input and output resistor EOC partitioning, C capacitor) allow to use a different IN Battery undervoltage protection: V = 3.7 V UVP PV panel and source (like TEG), and a battery by setting the V , the V and the V MPP SET UVP EOC Applications thresholds according to the new source and load. More in detail, operating ranges can be extended Charge any battery chemistry, including lithium as follows: V from 150 mV up to 5 V, I up to MP MP based, NiMH, solid state thin film and 100 mA, V down to 2.2 V and V up to UVP EOC supercapacitor. 5.3 V. WSN, HVAC, building and home automation, industrial control, access control, smart lighting, asset and livestock positioning and tracking, surveillance. Body area network, sportswear, fitness. November 2014 DocID025591 Rev 3 1/9 For further information contact your local STMicroelectronics sales office. www.st.comSchematic and bill of material STEVAL-ISV019V1 1 Schematic and bill of material The schematic, bill of material and gerber files can be downloaded from the Design resources tab of the STEVAL-ISV019V1 product folder on www.st.com. 2/9 DocID025591 Rev 3