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STEVAL-ILL053V2: 2.7A @ 48V Max, 85 ~ 305 Vin

Summary

The STEVAL-ILL053V2 evaluation board implements a 130 W LED power supply for street lighting. The circuit is composed of two stages: a front-end PFC using the L6562AT, and an LLC resonant converter based on the L6599AT. The strengths of this design are its very high efficiency; wide input mains range (85-305 VAC) operation and long-term reliability.

Because mean time between failures (MTBF) in power supplies is typically affected by the high failure rate of common electrolytic capacitors, the STEVAL-ILL053V2 evaluation board offers an innovative design approach using film capacitors from EPCOS in place of electrolytic capacitors.

Thanks to the high efficiency achieved, only a small heatsink for the PFC stage is needed, while the other power components implement surface mount technology (SMT), which significantly lowers costs. The STEVAL-ILL053V2 evaluation board also provides protection against overload, short-circuit and open-loop in each stage, and overvoltage protection on the input, with auto-restart.

Specifications

Manufacturer STMicroelectronics
Category Lighting
Sub-Category LED Drivers - AC / Offline
Eval Board Part Number 497-18363-ND
Eval Board Supplier STMicroelectronics
Eval Board Normally In Stock
AC Voltage Universal
Outputs and Type 1 Isolated
Current Out 2.7 A
Voltage Out (Max) 48 V
Efficiency @ Conditions >92%, 135 ~ 305 VACin, 48 V @ 2.7 A
Features Open Circuit Protection
Over Current Protection
Over Voltage Protection
PFC
Short Circuit Protection
Soft Start
Switching Frequency 120 kHz
Component Count + Extras 134 + 9
Design Author STMicroelectronics
Application / Target Market LED Street Lighting
Voltage In 85 ~ 305 VAC
Power Factor >0.8 @ 230 VAC
>0.95 @ 100 VAC
Standard(s) EN55015
EN55022 B conducted EMI
EN60950
IEC 61000-3-2 Class C
Main I.C. Base Part L6562AT
L6599AT
Date Created By Author 2018-12
Date Added To Library 2019-07

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