U6043B-MY

U6043B-MY Datasheet

Part	Datasheet
U6043B-MY	U6043B-MY (pdf)

Related Parts	Information
U6043B-MFPY	U6043B-MFPY
U6043B-MFPG3Y	U6043B-MFPG3Y
U2043B-MFPG3Y	U2043B-MFPG3Y
U2043B-MFPY	U2043B-MFPY
U2043B-MY	U2043B-MY

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• Temperature and Voltage Compensated Frequency • Warning Indication of Lamp Failure by Means of Frequency Doubling • Minimum Lamp Load for Flasher Operation 10W • Relay Output with High Current Carrying Capacity and Low Saturation Voltage • Low Susceptibility to EMI The integrated circuit U2043B is used in relay-controlled automotive flashers where a high EMC level is required. A lamp outage is indicated by frequency doubling during hazard mode as well as direction mode. The pilot lamp can be connected either to VBatt or GND. Figure Block Diagram 6 Measuring comparator K 1 V 6-81 mV R3 30 m Shunt + VS + 49 Pilot lamp 5 W Pulse generator K 3 V 6-5 V 5 49 a-Comparator IC Ground Relay GND - 31 5 W 21 W 21 W 21 W 21 W 5 W Indicator lamps Pilot lamps Flasher, 30 Shunt, Pilot Lamp to GND or VBatt U2043B Pin Configuration Figure Pinning DIP8/SO8 GND 1 VS 2 REL 3 U2043B 7 LD 6 VS OSC 4 5 OSC Table Pin 1 2 3 4 5 6 7 8 Pin Description Symbol GND VS REL OSC VS LD SI Function IC ground Supply voltage VS Relay driver C1 Oscillator R1 Oscillator Supply voltage VS Lamp failure detection Start input 49a 2 U2043B U2043B Functional Description GND Pin 1 Supply Voltage, VS Power Pin 2 The arrangement of the supply connections to pin 2 must be so as to ensure that, on the connection printed circuit board PCB , the resistance of VS to pin 6 is lower than that to pin Relay Control Output Driver, Pin 3 The relay control output is a high-side driver with a low saturation voltage and capable of driving a typical automotive relay with a minimum coil resistance of Ordering Information Extended Type Number U2043B-MY U2043B-MFPY U2043B-MFPG3Y Package Information Package DIP8 SO8 Remarks Tubed, Pb-free Tubed, Pb-free Taped and reeled, Pb-free Package SO8 Dimensions in mm U2043B technical drawings according to DIN specifications Package DIP8 Dimensions in mm max. nom. B 3 x = nom. max. Drawing-No. Issue 1; technical drawings according to DIN specifications 8 U2043B U2043B History 4720B-AUTO-09/05 • Put datasheet in a new template • Pb-free logo on page 1 added • New heading rows in Table “Absolute Maximum Rating” on page 5 added • Ordering Information on page 7 changed Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel 41 26-426-5555 Fax 41 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 Fax 852 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel 33 2-40-18-18-18 Fax 33 2-40-18-19-60 ASIC/ASSP/Smart Cards Zone Industrielle 13106 Rousset Cedex, France Tel 33 4-42-53-60-00 Fax 33 4-42-53-60-01 1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel 1 719 576-3300 Fax 1 719 540-1759 Scottish Enterprise Technology Park Maxwell Building East Kilbride G75 0QR, Scotland Tel 44 1355-803-000 Fax 44 1355-242-743 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel 49 71-31-67-0 Fax 49 71-31-67-2340 1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel 1 719 576-3300 Fax 1 719 540-1759 Biometrics/Imaging/Hi-Rel MPU/ High Speed Converters/RF Datacom Avenue de Rochepleine BP 123 38521 Saint-Egreve Cedex, France Tel 33 4-76-58-30-00 Fax 33 4-76-58-34-80 Literature Requests Disclaimer The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. Atmel Corporation All rights reserved. logo and combinations thereof, Everywhere You and others, are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Printed on recycled paper.

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• Temperature and Voltage Compensated Frequency
• Warning Indication of Lamp Failure by Means of Frequency Doubling
• Minimum Lamp Load for Flasher Operation 10W
• Relay Output with High Current Carrying Capacity and Low Saturation

Voltage
• Low Susceptibility to EMI

The integrated circuit U2043B is used in relay-controlled automotive flashers where a high EMC level is required. A lamp outage is indicated by frequency doubling during hazard mode as well as direction mode. The pilot lamp can be connected either to VBatt or GND.

Figure Block Diagram
6 Measuring comparator

K 1 V 6-81 mV

R3 30 m Shunt
+ VS + 49

Pilot lamp 5 W

Pulse
generator

K 3 V 6-5 V 5
49 a-Comparator

IC Ground

Relay

GND - 31
5 W 21 W 21 W
21 W 21 W 5 W

Indicator lamps

Pilot lamps

Flasher, 30 Shunt, Pilot Lamp to GND or VBatt

U2043B

Pin Configuration

Figure Pinning DIP8/SO8

GND 1

VS 2 REL 3

U2043B
7 LD 6 VS

OSC 4
5 OSC

Table Pin 1 2 3 4 5 6 7 8

Pin Description Symbol GND VS REL OSC VS LD SI

Function IC ground Supply voltage VS Relay driver C1 Oscillator R1 Oscillator Supply voltage VS Lamp failure detection Start input 49a
2 U2043B

U2043B

Functional Description

GND Pin 1

Supply Voltage, VS Power Pin 2

The arrangement of the supply connections to pin 2 must be so as to ensure that, on the connection printed circuit board PCB , the resistance of VS to pin 6 is lower than that to pin

Relay Control Output Driver, Pin 3

The relay control output is a high-side driver with a low saturation voltage and capable of driving a typical automotive relay with a minimum coil resistance of
Ordering Information

Extended Type Number U2043B-MY U2043B-MFPY U2043B-MFPG3Y

Package Information

Package DIP8 SO8

Remarks Tubed, Pb-free Tubed, Pb-free Taped and reeled, Pb-free

Package SO8

Dimensions in mm

U2043B
technical drawings according to DIN specifications

Package DIP8 Dimensions in mm
max.
nom. B
3 x = nom.
max.

Drawing-No. Issue 1;
technical drawings according to DIN specifications
8 U2043B

U2043B

History
4720B-AUTO-09/05
• Put datasheet in a new template
• Pb-free logo on page 1 added
• New heading rows in Table “Absolute Maximum Rating” on page 5 added
• Ordering Information on page 7 changed

Atmel Corporation
2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 487-2600

Regional Headquarters

Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel 41 26-426-5555 Fax 41 26-426-5500

Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 Fax 852 2722-1369

Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581

Atmel Operations

Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314

Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314

La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel 33 2-40-18-18-18 Fax 33 2-40-18-19-60

ASIC/ASSP/Smart Cards Zone Industrielle 13106 Rousset Cedex, France Tel 33 4-42-53-60-00 Fax 33 4-42-53-60-01
1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel 1 719 576-3300 Fax 1 719 540-1759

Scottish Enterprise Technology Park Maxwell Building East Kilbride G75 0QR, Scotland Tel 44 1355-803-000 Fax 44 1355-242-743

RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel 49 71-31-67-0 Fax 49 71-31-67-2340 1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel 1 719 576-3300 Fax 1 719 540-1759

Biometrics/Imaging/Hi-Rel MPU/ High Speed Converters/RF Datacom

Avenue de Rochepleine BP 123 38521 Saint-Egreve Cedex, France Tel 33 4-76-58-30-00 Fax 33 4-76-58-34-80

Literature Requests

Disclaimer The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.

Atmel Corporation All rights reserved. logo and combinations thereof, Everywhere You and others, are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

Printed on recycled paper.

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Datasheet ID: U6043B-MY 519451