STEVAL-ILL031V1 STMicroelectronics, STEVAL-ILL031V1 Datasheet

Power Management Modules & Development Tools STM8S208 Eval Brd 3W LEDs 48V DC

STEVAL-ILL031V1

Manufacturer Part Number

STEVAL-ILL031V1

Description

Power Management Modules & Development Tools STM8S208 Eval Brd 3W LEDs 48V DC

Manufacturer

STMicroelectronics

Type

Other Power Managementr

Datasheet

1.STEVAL-ILL031V1.pdf (4 pages)

Specifications of STEVAL-ILL031V1

Product

Power Management Development Tools

For Use With/related Products

STM8S208x

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-ILL031V1

Manufacturer:

STMicroelectronics

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Features

■

Description

The purpose of the STEVAL-ILL031V1

demonstration board is to present a new digital

approach to performing real average current

control on an LED streetlighting platform.

This LED streetlight platform is developed on a

DC-DC “inverse buck” converter, taking

advantage of power switch control and

conditioning signal circuitry for current sensing.

Benefits of this design include low energy

consumption, low maintenance, and reduced size

and weight. The solution is customized for

streetlighting application, but can be extended to

many other segments.

April 2010

For further information contact your local STMicroelectronics sales office.

DC input voltage: 48 V

Buck stage adapts output voltage to drive

LEDs with selected current

Four DC-DC buck converters allow driving of 4

LED strings, managing up to 120 W

Employs 3 W LEDs to obtain 30 W-per-string

(10 LEDs in series in each string)

Low voltage-sensing circuitry

Logic level MOSFETs driven by the

microcontroller without gate driver (ground

referred)

High efficiency (up to 98%)

RoHS compliant

Digital constant-current controller for LED driving

Doc ID 17237 Rev 1

based on the STM8S208x

STEVAL-ILL031V1

www.st.com

Data brief

1/4

Related parts for STEVAL-ILL031V1

STEVAL-ILL031V1 Summary of contents

Page 1

... High efficiency (up to 98%) ■ RoHS compliant Description The purpose of the STEVAL-ILL031V1 demonstration board is to present a new digital approach to performing real average current control on an LED streetlighting platform. This LED streetlight platform is developed on a DC-DC “inverse buck” converter, taking advantage of power switch control and conditioning signal circuitry for current sensing ...

Page 2

... Schematic diagrams 1 Schematic diagrams Figure 1. Control board schematic 2/4 Doc ID 17237 Rev 1 STEVAL-ILL031V1 ...

Page 3

... STEVAL-ILL031V1 2 Revision history Table 1. Document revision history Date 23-Apr-2010 Revision 1 Initial release. Doc ID 17237 Rev 1 Revision history Changes 3/4 ...

Page 4

... 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 4/4 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 17237 Rev 1 STEVAL-ILL031V1 ...

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