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New high-power LED driver demo board for single flash with I²C interface based on STCF06 (with motherboard based on uPSD)
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The STEVAL-TLL006V2 demonstration board implements a flash LED driver using the STCF06 device, which is a buck-boost current mode converter with an I2C interface.

As technology for external components has greatly improved, in this new version “V2” it was possible to shrink the original application and maintain the same level of performance or similar.

The flash LED driver STCF06 has a high operational frequency (1.8 MHz) which allows the use of small external components.

The STEVAL-TLL006V2 is designed for driving a single LED with a forward voltage range from 2.7 to 5 V.

For easy connection to the PC, a motherboard is supplied based on μPSD which is used as a bridge.

The STCF06 motherboard uses a USB human interface device class to communicate with the PC. It is not necessary to install any driver, if the operating system is able to enumerate USB human interface devices.

Connect the motherboard to the PC through the USB cable (AB type). Wait until the computer enumerates the control board and displays the message that new hardware has been found and is ready to use. It is then possible to run the data packet creator application by pressing the “Connect board” button.

pdf Please read
Errata Sheet
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Data Brief

Key Features

  • Buck-boost DC-DC converter
  • Drives one power LED up to:
  • 1.5 A between 3.5 V to 5.5 V
  • 1.3 A between 3.0 V to 5.5 V
  • 1 A between 2.7 V to 5.5 V
  • Efficiency up to 85%
  • LED current control
  • 1.8 MHz fixed frequency PWM
  • Full I2C control
  • Motherboard based on μPSD used as USB bridge
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1528: New high-power LED driver demo board for single flash with I²C interface based on STCF06 (with motherboard based on μPSD)
1.0 248 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-TLL006V2 gerber files
1.0.0 85 KB

Bill of Materials

Description Version Size
1.0.0 78 KB

Schematic Pack

Description Version Size
STEVAL-TLL006V2 schematics
1.0.0 23 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-TLL006V2ActiveSTCF06Buy Direct96.77Distributor reported inventory date: 2014-12-20
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA10

(*) 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
(**) The Material Declaration forms available on 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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