STEVAL-LLL008V1

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100 W high efficiency and low THD dimmable LED driver reference design based on HVLED001B, HVLED002 and SPSGRFC

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  • The STEVAL-LLL008V1 reference design is a dual-stage LED driver with high power factor designed for 100 W LED lighting applications using 6LoWPAN Mesh networking.

    The front-end flyback converter provides high power factor and low THD and implements CV primary side regulation (PSR) with input from an auxiliary winding on the transformer through the ZCD pin on the HVLED001B controller, so no isolated optocoupler is required. The flyback converter can deliver 105 W with an average 79 V output voltage and 1.8 V maximum ripple.
    The converter output supplies an inverse buck stage that delivers a regulated 1.4 A current to the LED driver load. The secondary transformer is also able to supply (a few milliamps via an auxiliary choke) the voltage needed to power up the HVLED002 controller, which manages the inverse buck circuit to provide current limitation for dimming and On/Off control.
    The STEVAL-LLL008V1 integrates an STM32L071KZ microcontroller, which is able to receive remote on, off and dimming commands via an embedded SPSGRFC sub-1 GHz transceiver module. The connectivity functionality can be extended to multiple lighting nodes in a 6LowPAN mesh network.
    A data concentrator unit (DCU) and mobile Android application have been developed to help you explore the LED lighting reference design further. 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-IDB05A2 board for Bluetooth communication with a mobile device.
    The ST 6LoWPAN Smart Streetlight mobile application (available on Google Play store) collects lighting nodes represented by the microcontroller and RF module on the evaluation board in a 6LoWPAN mesh network.

    Key Features

    • Input voltage range 90 – 265 VAC
    • Dual stage power converter: high power factor PSR-CV and CC step-down
    • Sub-1 Ghz connectivity for 6LoWPAN Mesh network
    • Output voltage range 40 - 70 V, max. current 1.4 A with less then 100 mA current ripple, max. output power 100 W.
    • Peak efficiency overall:
      • Min: above 90% at 90 VIN AC, 40 VOUT DC
      • Max: above 93% at 265 VIN AC, 70 VOUT DC
    • Standby power consumption:
      • 265 VIN AC without control board: less than 0.3 W
      • 265 VIN AC with control board: less than 0.6 W
    • RoHS compliant

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    • Part number
      Status
      Description
      Type
      Supplier

      STSW-LLL008FW

      Active

      Firmware for the STEVAL-LLL008V1 evaluation board for street lighting applications using 6LoWPAN wireless mesh networks

      Evaluation Tool Software ST
      STSW-LLL008FW

      Description:

      Firmware for the STEVAL-LLL008V1 evaluation board for street lighting applications using 6LoWPAN wireless mesh networks

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-LLL008V1
Active
CARD Industrial Ecopack2 Yes

STEVAL-LLL008V1

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (US)
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Budgetary Price (US$)*/Qty
STEVAL-LLL008V1 Available at 5 distributors

Distributor availability ofSTEVAL-LLL008V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 8 1 Order Now
RS COMPONENTS EUROPE 8 1 Order Now
ARROW EUROPE 5 0 Order Now
MOUSER WORLDWIDE 8 1 Order Now
Farnell Element14 EUROPE 10 1 Order Now

Distributor reported inventory date: 2020-11-29

Distributor Name

DIGIKEY

Stock

8

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

8

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

5

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

8

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

10

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-29

Buy Direct HVLED001B, HVLED002, SPSGRFC, STL4N10F7, STL4N10F7
Active
ST 5A992C 5A002A2 ITALY 160.0 / 1

STEVAL-LLL008V1

Core Product

HVLED001B, HVLED002, SPSGRFC, STL4N10F7, STL4N10F7

Marketing Status

Active

Budgetary Price (US$)*/Qty

160.0 / 1

Distributor availability ofSTEVAL-LLL008V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 8 1 Order Now
RS COMPONENTS EUROPE 8 1 Order Now
ARROW EUROPE 5 0 Order Now
MOUSER WORLDWIDE 8 1 Order Now
Farnell Element14 EUROPE 10 1 Order Now

Distributor reported inventory date: 2020-11-29

Distributor Name

DIGIKEY

Stock

8

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

8

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

5

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

8

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

10

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-29

Supplier

ST

ECCN (US)

5A992C

ECCN (EU)

5A002A2

Budgetary Price (US$)* / Qty

160.0 / 1

Country of Origin

ITALY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors