STMicroelectronics AN3319 SPV1040 Solar Battery Charger Application Note

AN3319 is a ST application note about solar battery charger using SPV1040.

Brand: STMicroelectronics
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 25
File format: PDF
File size: 1.4 MB
Published: 06 August, 2012
Updated: 01 October, 2023
Model: SPV1040
MD5 checksum: A140ECE21A44825B72F9F387ACC0E1ED
PDF: STMicroelectronics AN3319 SPV1040 Solar Battery Charger Application Note PDF

About this manual

This document details the STEVAL-ISVO06V2 demonstration board, which utilizes the SPV1040 high-efficiency, low-power DC-DC converter. The SPV1040 is designed to maximize energy generation from solar cells by employing an embedded Maximum Power Point Tracking (MPPT) algorithm.

What's inside

Application overview
Boost switching application
SPV1040 description
Application example
Schematic and bill of material
External component selection
Layout
SPV1040 parallel and series connection

Specifications

Output Voltage	up to 5.2 V
Startup Voltage	0.3 V
Operating Voltage	down to 0.45 V
Switching Frequency	100 KHz
Power Switch	120 mQ N-channel MOSFET
Synchronous Rectifier	140 mQ P-channel MOSFET

Frequently asked questions

What is the function of the SPV1040?

It acts as an impedance adapter between the input source and output load to maximize power extraction.

How does the SPV1040 track maximum power?

It uses an embedded unit running an MPPT algorithm with the goal of maximizing the power generated from the panel.

What safety features are included in the SPV1040?

The device stops PWM switching in the case of an overcurrent or overtemperature condition.

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