DEMOBCR60160VIVCTRLTOBO1 Infineon

BCR601 engineering report Engineering report for 60 V, 500 mA linear LED controller demonstration board About this document Scope and purpose This document presents a demonstration board (DEMO BCR601 60V IVCTRL) design for BCR601, a 60 V linear LED controller IC for dimmable LED driver with voltage feedback to the primary side also known as Active Headroom Control (AHC). The document also describes the configuration of the voltage control loop and the current control loop via external components. The IC is available in a PG-DSO-8 package. Intended audience This document is intended for design engineers, system and concept engineers, application engineers and students who need to design cost-efficient , highly reliable, dimmable and power-optimized LED drivers. Table of contents About this document . 1 1 Introduction . 3 2 List of features of the demonstrator system 5 3 Circuit description 6 3.1 Circuit diagram 6 3.2 Component description . 8 3.3 PCB layout 9 3.4 LED load 9 4 Test results 10 4.1 Test setup . 10 4.2 Current ripple suppression 11 4.3 Start-up . 12 4.4 Dimming 14 4.4.1 DC voltage dimming 15 4.4.2 R dimming 17 set 4.5 Protections 17 4.5.1 Hot-plug . 17 4.5.2 Short of LEDs .18 4.5.3 Overtemperature protection OTP .19 4.5.4 Over-Voltage Protection (OVP) . 19 4.6 Thermal tests 20 4.6.1 Option TO-220 package . 22 4.6.2 Option DPAK (TO-252) package .22 4.7 Efficienc y and harmonics . 23 4.7.1 Efficienc y 23 Engineering Report Please read the Important Notice and Warnings at the end of this document v1.0 www.infineon.com 2019-02-25BCR601 engineering report Engineering report for 60 V, 500 mA linear LED controller demonstration board Table of contents 4.7.2 Harmonics and power factor . 24 5 Bill of Materials (BOM) .25 6 Related links and support material . 29 Disclaimer 30 Engineering Report 2 v1.0 2019-02-25