STEVAL-ILL035V2

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Design Win

Multi-channel LED driver with integrated boost controller for medium/large LCD panel backlight based on LED7708 and STM32F103C6T6 - daughter board

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Product overview

Description

The STEVAL-ILL035V2 product evaluation board is an extension (daughterboard) of the STEVAL-ILL035V1 (motherboard) based on the LED7708 LED driver. It allows implementation of a daisy-chained configuration for applications requiring more than 16 channels.

The LED7708 is configured as slave on the STEVAL-ILL035V2, and as master on the STEVAL-ILL035V1.

The boost controller section is not used and the supply voltage for the LED strings is derived from the motherboard (STEVAL-ILL035V1, master) by extending the output voltage optimization through dedicated hand-shake signals. Additional daughterboards can be connected to a single motherboard to increase the number of channels. The brightness control of the LED strings and the fault management options are identical to the ones available for the STEVAL-ILL035V1 evaluation board. The evaluation board is intended as a solution for medium/large LCD panel backlight drivers, but is suitable for any application involving several LEDs arranged is strings (e.g. advertisement panels, signs, gaming, etc.).

  • All features

    • Wide DC input voltage: 10 V - 28 V
    • 16-channels with up to 85 mA/channel current capability and independent PWM brightness control
    • Up to 15 white LEDs per channel
    • Embedded open-channel and LED short-circuit faults management
    • Expansion connector to cascade other STEVAL-ILL035V2 evaluation boards
    • RoHS compliant

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ILL035V2
Active
CARD Industrial Ecopack2 -

STEVAL-ILL035V2

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-ILL035V2 Active

Budgetary Price (US$)*/Qty:
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Part Number:

STEVAL-ILL035V2

Supplier:

ST

Core Product:

LED7708; STM32F103C6T6

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