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STEVAL-ISV021V1

Energy harvesting Evaluation kit based on the SPV1050
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The STEVAL-ISV021V1 is a demonstration kit which consists of a complete energy harvesting module based on the SPV1050 ULP energy harvester and battery charger, having the purpose to show the electrical performance of the power converter and many other fundamental electrical quantities related to the overall system.

The power manager is configured as a buck-boost converter, fitting the electrical characteristics of the mounted PV panel and battery.

A power monitoring board along with a software GUI are used to monitor and to graph both of PV panel and battery voltage and current, and system performances like MPPT accuracy and conversion efficiency.

The STEVAL-ISV021V1 represents the standalone harvesting module that can be interfaced with a wireless sensor node to provide the microcontroller, transmitter and sensors with the energy scavenged and stored into the battery.

Furthermore, the STEVAL-ISV021V1 embeds an extension connector to interface and to monitor of some of SPV1050 input and output signals through a microcontroller based board.

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Data Brief

Key Features

  • SPV1050 based harvesting dongle board
  • PV module soldered on the back
  • Lithium coin cell battery
  • PV module electrical characteristics at 200 lux:
  • VOCTYP = 9.8 V, ISCTYP= 20 μA
  • VMPTYP= 8 V, IMPTYP= 18 μA
  • Li-Ion battery:
  • CapacityNOM= 120 mAh
  • VNOMINAL = 3.6 V
  • VCHARGE= 4.2 V
  • VEND-OF-DISCHARGE = 2.75 V
  • Interface to power monitoring board
  • PV module voltage and battery monitoring
  • Ambient light sensor for irradiance level measurement
  • Supported by SW GUI to show MPPT accuracy and conversion efficiency

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Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DB2136: Energy harvesting demonstration kit based on SPV1050
1.0 440 KB

Application Notes

Description Version Size
pdf
AN4396: STEVAL-ISV021V1, energy harvesting system based on SPV1050, PV panel and battery
1.0 755 KB

User Manual

Description Version Size
pdf
UM1752: Software GUI user guide for STEVAL-ISV021V1, STEVAL-IDS002V1 and STEVAL-IDS003V1 evaluation boards
1.0 1,675 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
zip
STEVAL-ISV021V1 gerber files
98 KB

Bill of Materials

Description Version Size
pdf
STEVAL-ISV021V1 BOM
148 KB

Schematic Pack

Description Version Size
pdf
STEVAL-ISV021V1 schematics
91 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STSW-IDS002V1 STSW-IDS002V1 application software setup

Sample & Buy

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Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-ISV021V1PreviewSPV1050-No availability reported, please contact our Sales officeEcopack2-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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