May 2014

DocID025512 Rev 1

1/18

AN4394

Application note

Evaluation board for SPV1050 ULP harvester (boost architecture)

Domenico Ragonese

Introduction

The STEVAL-ISV019V1 is an evaluation board based on the SPV1050 ultralow power

energy harvester and battery charger. For any detail related to the SPV1050 features and

performances please refer to the SPV1050 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 working at the most of efficiency.

The STEVAL-ISV019V1 is configured to harvest energy from PV panels supplying

Nevertheless, few easy changes on the application components (input and output resistor

The STEVAL-ISV019V1 evaluation board is shown in Figure 1.

Figure 1. STEVAL-ISV019V1 evaluation board

www.st.com