STEVAL-TLL007V1 datasheet(1/4 Pages) STMICROELECTRONICS

Il numero della parte	STEVAL-TLL007V1

Spiegazioni elettronici	High-power LED driver demonstration board for dual flash with I2C interface based on the STCF05

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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Data brief

For further information contact your local STMicroelectronics sales office.

January 2010

Doc ID 15721 Rev 2

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STEVAL-TLL007V1

High-power LED driver demonstration board for dual flash

with I2C interface based on the STCF05

Features

■ Boost DC-DC converter with synchronous

rectification

■ Drives two power white LEDs in series with a

current up to 400 mA

■ Efficiency up to 85%

■ 3 passive components only

■ 24 mm2 PCB area only

■ 1.8 MHz fixed frequency PWM

■ Full I2C control

■ Motherboard based on µPSD used like USB

bridge

■ RoHS compliant

Description

This demonstration board is dedicated to the

STCF05 flash LED driver IC, which is a boost

current mode converter with an I2C interface and

internal current source. The STCF05 is designed

to drive two LEDs in series with a total forward

voltage from 5.3 V to 10.2 V.

For easy connection to a PC, the STEVAL-

TLL007V1 uses a µPSD-based motherboard

used as a bridge.

The STCF05 motherboard uses a USB human

interface device to communicate with the PC. It is

not necessary to install a driver, if the operating

system in use is capable of enumerating USB

human interface devices.

STEVAL-TLL007V1

www.st.com

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