STEVAL-ILL035V1 STMicroelectronics, STEVAL-ILL035V1 Datasheet

STEVAL-ILL035V1

Manufacturer Part Number

STEVAL-ILL035V1

Description

LED Lighting Development Tools LED7708 Multi-CH LED Large LCD STM32F103C

Manufacturer

STMicroelectronics

Datasheet

1.STEVAL-ILL035V1.pdf (6 pages)

Specifications of STEVAL-ILL035V1

Rohs

yes

Product

Demonstration Boards

Core

LED7708, STM32F103C

Operating Supply Voltage

10 V to 28 V

Available stocks

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Manufacturer

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Price

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Bonase Electronics (HK) Co., Limited

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STEVAL-ILL035V1

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STMicroelectronics

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Features

■

Description

The purpose of the STEVAL-ILL035V1

demonstration board is to provide an application

example of a compact LED backlight driver using

the LED7708 device.

The board is equipped with a 16-channel LED

driver with integrated boost controller (the

LED7708), power section components, and an

STM32 microcontroller to easily control all the

features via a USB connection.

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 12- or 16-bit

dimming resolution.

large LCD panel backlight based on LED7708 and STM32F103C6T6A

June 2012

For further information contact your local STMicroelectronics sales office.

Multi-channel LED driver with integrated boost controller for medium,

Wide DC input voltage: 10 V to 28 V

Integrated boost converter with adaptive output

voltage for minimum power dissipation

Up to 92% boost converter efficiency

16 channels with up to 85 mA/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

Expansion connector to support slave devices

(daughterboard)

RoHS compliant

Doc ID 023200 Rev 1

Embedded, programmable fault detection and

management circuitry can be set to automatically

disconnect faulty channels without the need for

intervention by the host controller.

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 (e.g.

advertisement panels, signs, gaming, etc.).

STEVAL-ILL035V1

Data brief

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Related parts for STEVAL-ILL035V1

STEVAL-ILL035V1 Summary of contents

Page 1

... Expansion connector to support slave devices (daughterboard) ■ RoHS compliant Description The purpose of the STEVAL-ILL035V1 demonstration board is to provide an application example of a compact LED backlight driver using the LED7708 device. The board is equipped with a 16-channel LED driver with integrated boost controller (the ...

Page 2

... Schematic diagrams 1 Schematic diagrams Figure 1. LED driver 2/6 Doc ID 023200 Rev 1 STEVAL-ILL035V1 ...

Page 3

... STEVAL-ILL035V1 Figure 2. STM32 controller Doc ID 023200 Rev 1 Schematic diagrams 3/6 ...

Page 4

... Schematic diagrams Figure 3. Connector Figure 4. JTAG adapter (separated PCB) 4/6 Doc ID 023200 Rev 1 STEVAL-ILL035V1 ...

Page 5

... STEVAL-ILL035V1 2 Revision history Table 1. Document revision history Date 04-Jun-2012 Revision 1 Initial release. Doc ID 023200 Rev 1 Revision history Changes 5/6 ...

Page 6

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 6/6 Please Read Carefully: © 2012 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 023200 Rev 1 STEVAL-ILL035V1 ...

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