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reference designHVLED001A | Demoboard STEVAL-LLL006V1

STMicroelectronics HVLED001A | Demoboard STEVAL-LLL006V1

Smart LED driver using 6LoWPAN Mesh network for outdoor street lighting

Overview

TopologyFlyback Converter
Input voltage90-300 V
Output 1110 V / 0.7 A
IC revision1

Description

The STEVAL-LLL006V1 board is designed to help you evaluate high power LED lighting solutions with comprehensive power management and wireless connectivity. The board integrates an intelligent power conversion stage thanks to the HVLED001A LED lighting controller with various operating modes, sensing and protection mechanisms, and highly efficient switching based on the STP21N90K5 Power MOSFET. The board is able to convert a wide 90 - 300 VAC input voltage range into a 60 - 110 VDC output in constant current mode, with high power factor and low THD. The on-board STM32L071KZ microcontroller is able to receive remote on, off and dimming commands via the embedded SPSGRFC sub-1 GHz transceiver module. A data concentrator unit (DCU) and mobile Android application have been developed to help you explore the functionality of the evaluation board. The DCU consists of a NUCLEO-F401RE development platform, plus the X-NUCLEO-IDS01A4 for sub 1- GHz communication with the LED driver board and a X-NUCLEO-IDB05A1 board for Bluetooth communication with the mobile device. The mobile application collects lighting nodes represented by the microcontroller and RF module on the evaluation board in a 6LoWPAN mesh network.

Features

  • Intelligent power conversion stage based on the HVLED001A high voltage LED driver:
  • wide input voltage range: 90 – 300 VAC
  • constant current output: 60-110 V / 0.7 A, with ±5% current regulation
  • high power factor > 0.97 and low THD <15% for entire line and load cycle in quasi resonant mode
  • peak overall efficiency (including auxiliary supply) at maximum load > 89%
  • various start-up, operating and low-power modes
  • open circuit, short-circuit, undervoltage and overvoltage circuit protection
  • Digital and remote control section based on STM32 microcontroller:
  • wireless connectivity with embedded sub-1 GHz transceiver
  • can accept remote on, off and dimming commands
  • Five levels of analog dimming
  • Less than 0.5 W standby power consumption ensures compliance with EnergyStar norms
  • RoHS compliant
  • WEEE compliant

Typical applications

  • Lighting

More information

Products

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885012207027
WCAP-CSGP MLCCs 16 V(DC), 100 pF, ±10%
Simu­lation
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance100 pF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height0.8 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
750344118
Flyback Transformer, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series Flyback Transformer
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