STMicroelectronics AN4123 STEVAL-ISV015V1 Solar USB Charger Application Note

The STEVAL-ISV015V1 is a demonstration board mounting the SPV1040 device (solar energy harvester) as input stage and the LD39050PUR device (low noise and low quiescent current voltage regulator) as output stage. It targets any portable application powered by USB supply and merges the capability of the SPV1040 device to maximize the power extraction from solar modules with the high precision voltage regulation of the LD39050 device.

Brand: STMicroelectronics
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 17
File format: PDF
File size: 1.1 MB
Published: 06 August, 2012
Updated: 29 September, 2023
MD5 checksum: 843200C36C3BEFAAF9FFA8621F1C7B35
PDF: STMicroelectronics AN4123 STEVAL-ISV015V1 Solar USB Charger Application Note PDF

About this manual

The document details the STEVAL-ISV015V1 evaluation board, which combines the SPV1040 solar energy harvester with the LD39050 low-noise voltage regulator. The design targets portable applications powered by USB supply, capable of delivering up to 2.5 W (5 V, 500 mA) through a mini-USB connector.

What's inside

SPV1040 operating description
LD39050 operating description
Reference design description
Schematic and bill of material
External component selection

Frequently asked questions

What is the maximum output current of this solar USB charger?

The board can supply loads requiring up to 500 mA.

What is the maximum input current for the PV panel?

The system can handle panels able to supply up to 900 mA.

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