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STEVAL-ILL035V1

Demonstration Board, Multi-channel LED Driver, Integrated Boost Controller, 16 Outputs, LED7708

STMICROELECTRONICS STEVAL-ILL035V1
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Manufacturer Part No:
STEVAL-ILL035V1
Newark Part No.:
43W6451
Technical Datasheet:
STEVAL-ILL035V1   Datasheet
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Product Overview

The STEVAL-ILL035V1 is a demo board based on LED7708 LED driver and STM32F103C6T6A microcontroller. The LED7708 is a 16 channels LED driver with boost controller and 4 wire serial interface. The purpose of this demonstration board is to provide an application example of a compact LED backlight driver using the LED7708 device. The output voltage required by the LED strings connected to the output channels is derived from a single input rail and continuously adjusted to minimize the voltage drop (and power dissipation) across them, despite an independent PWM duty cycle for each one. The brightness of each LED string is digitally controlled with 12bit or 16bit dimming resolution. The board has been designed as a demonstration of a solution for medium/large LCD panel backlight drivers, but is suitable for any application involving several LEDs assembled in strings.
  • Wide DC input voltage from 10V to 28V
  • Integrated boost converter with adaptive output voltage for minimum power dissipation
  • Up to 92% boost converter efficiency
  • 16 channels with up to 85mA/ch current capability and independent PWM brightness control
  • Up to 15 white LEDs per channel
  • On board STM32 microcontroller for total device control through 4 wire serial interface
  • Embedded open channel and LED short circuit faults management
  • USB connection for device control through dedicated PC-GUI

Product Information

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Boost (Step Up)

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16Outputs

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85mA

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-

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10V

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28V

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LED7708

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PWM

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Demo Board LED7708 & STM32F103C6T6A

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Technical Documents (3)

CAD Downloads

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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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