STEVAL-ILL043V1

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High end, 75 W high power factor flyback LED driver based on the L6562A with two dimmable strings

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  • The STEVAL-ILL043V1 demonstration board is a high-PF flyback configuration in order to drive a new design of the 75 W LED array based on the L6562A controller, with a much reduced BOM cost.

    This configuration uses an isolated feedback with an optocoupler and a secondary side reference/error amplifier. The inverse buck converter based on the L6562A is used for constant voltage and constant current control in double dimmable channels.
    The L6562A is a PFC controller operating in Transition mode. The highly linear multiplier includes a special circuit, able to reduce AC input current distortion, that allows wide-range-mains operation with an extremely low THD, even over a large load range.
    The inverse buck converter shows good performance in terms of power switch control and conditioning circuitry signal for the current sensing. In fact, this topology of converter allows easy driving of the switch referred to ground by using an L6562A driver.
    An integrated auxiliary power supply provides an energy saving action and a remote control monitoring function for the system.
    This ballast designed by using the L6562A and the buck inverse converter offers more advantages in terms of output current and voltage stability.
    The key benefit is the very high efficiency that, at full load, is almost 90%.

    Key Features

    • Mains voltage range VACmin= 165Vac, VACmax= 277 Vac
    • Minimum mains frequency fl = 47 Hz
    • DC output voltage Vout= 65 V
    • Maximum output current Iout= 1.5 A
    • Maximum 2fL output ripple ΔVO% = 1.0%
    • Minimum switching frequency fswmin= 40 KHz
    • Expected efficiency: 90%
    • RoHS compliant

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Related Applications

Home, Building and City Automation

Lighting and Controls

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Technical Documentation

    • Description Version Size Action
      DB1662
      High end, 75 W high power factor flyback LED driver based on L6562A with two dimmable strings
      1.0
      124.21 KB
      PDF
      DB1662

      High end, 75 W high power factor flyback LED driver based on L6562A with two dimmable strings

Hardware Resources

    • Description Version Size Action
      STEVAL-ILL043V1 gerber files 1.0
      131.46 KB
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      STEVAL-ILL043V1 gerber files

    • Description Version Size Action
      STEVAL-ILL043V1 BOM 3.0
      70.1 KB
      PDF

      STEVAL-ILL043V1 BOM

    • Description Version Size Action
      STEVAL-ILL043V1 schematics 3.0
      109.89 KB
      PDF

      STEVAL-ILL043V1 schematics

Legal

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      Terms of use 1.7
      57.54 KB
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      Terms of use

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ILL043V1
Active
CARD Industrial Ecopack2 -

STEVAL-ILL043V1

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.

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STEVAL-ILL043V1 Available at 2 distributors

Distributor availability ofSTEVAL-ILL043V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now

Distributor reported inventory date: 2020-08-12

Distributor Name

DIGIKEY

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

P&S

Stock

1

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2020-08-12

Buy now L6562A
Active
- EAR99 NEC ITALY 186.0 / 1

STEVAL-ILL043V1

Core Product

L6562A

Marketing Status

Active

Budgetary Price (US$)*/Qty

186.0 / 1

Distributor availability ofSTEVAL-ILL043V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now

Distributor reported inventory date: 2020-08-12

Distributor Name

DIGIKEY

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

P&S

Stock

1

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2020-08-12

Supplier

-

ECCN (US)

EAR99

ECCN (EU)

NEC

Budgetary Price (US$)* / Qty

186.0 / 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