Practical Guide to Implementing Solar Panel MPPT Algorithms

2013 Microchip Technology 1AN1521 INTRODUCTIONU sing a Solar Panel or an array of panels without acontroller that can perform Maximum Power PointTracking (MPPT) will often result in wasted power,which ultimately results in the need to install morepanels for the same power requirement. Forsmaller/cheaper devices that have the batteryconnected directly to the Panel , this will also result inpremature battery failure or capacity loss, due to thelack of a proper end-of-charge procedure and highervoltage. In the short term, not using an MPPT controllerwill result in a higher installation cost and, in time, thecosts will escalate due to eventual equipment with a proper charge controller, the prospect ofhaving to pay 30-50% more up front for additional solarpanels makes the MPPT controller very application note describes how to implementMPPT using the most popular switching power supplytopologies.

2013 Microchip Technology Inc. DS00001521A-page 1 AN1521 INTRODUCTION Using a solar panel or an array of panels without a controller that can perform Maximum Power Point

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