STEVAL-TLL003V1 STMicroelectronics, STEVAL-TLL003V1 Datasheet

STEVAL-TLL003V1

Manufacturer Part Number

STEVAL-TLL003V1

Description

BOARD EVAL PWR FLASH DRVR STCF02

Manufacturer

STMicroelectronics

Datasheet

1.STEVAL-TLL003V1.pdf (4 pages)

Specifications of STEVAL-TLL003V1

Main Purpose

Lighting, Camera Flash

Embedded

Utilized Ic / Part

STCF02

Primary Attributes

600mA Camera Flash, 250mA Torch, 4.5 V Out, 2.7 ~ 5 V Input, 1.8MHz

Secondary Attributes

NTC for Temp Measurement, LED Open and Short Circuit Protection

Core Chip

STCF02

Topology

Buck-Boost

No. Of Outputs

Output Current

600mA

Development Tool Type

Hardware - Eval/Demo Board

Supported Devices

STCF02 Device Type

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

497-6235

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-TLL003V1

Manufacturer:

STMicroelectronics

Quantity:

135

Current page: 1 of 4
Download datasheet (99Kb)

Features

■

Description

This evaluation board is dedicated to the design of

a flash LED driver using the STCF02 step-up/

down current mode converter, providing the

proper recommendations for PCB layout and

external components. The device can operate in

five modes which are selected using a

combination of logic signals (connected to three

enable pins). Also implemented is a simple

programmable RC circuit used to shut down the

device to prevent LED burning during flash mode

in the event of microcontroller fault. This

evaluation board drives a single flash LED with a

forward voltage range of 2.7 to 5 V.

December 2007

For further information contact your local STMicroelectronics sales office.

Flash LED driver based on the STCF02 high-

power white LED driver

A High operating frequency: 1.8 MHz

The device can operate in five modes which

are selected using a combination of logic

signals (connected to three enable pins) Five

selectable operating modes:

– Shutdown mode: quiescent current less

– Shutdown mode with activated negative

– Torch mode: drives the LED up to 250 mA

– Flash mode: drives the LED up to 600 mA

– Middle flash mode: the current is set

than 1µA (typical)

temperature coefficient (NTC) LED

temperature sensing, useful for measuring

the temperature before starting both torch

and flash modes

between the torch and the flash mode

levels

Power flash LED driver evaluation board based on the STCF02

Rev 1

STEVAL-TLL003V1

Data Brief

www.st.com

1/4

Related parts for STEVAL-TLL003V1

STEVAL-TLL003V1 Summary of contents

Page 1

... LED burning during flash mode in the event of microcontroller fault. This evaluation board drives a single flash LED with a forward voltage range of 2 December 2007 For further information contact your local STMicroelectronics sales office. STEVAL-TLL003V1 STEVAL-TLL003V1 Rev 1 Data Brief 1/4 www.st.com 4 ...

Page 2

... Board schematic 1 Board schematic Figure 1. Schematic 2/4 STEVAL-TLL003V1 ...

Page 3

... STEVAL-TLL003V1 2 Revision history Table 1. Document revision history Date 10-Dec-2007 Revision 1 Initial release. 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 - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STEVAL-TLL003V1 ...

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