ATA6661-TAQJ 19

ATA6661-TAQJ 19 Datasheet

• Operating Range from 5V to 18V • Baud Rate from Kbaud up to 20 Kbaud • Improved Slew Rate Control According to LIN Specification • Fully Compatible with 3.3V and 5V Devices • Dominant Time-out Function at Transmit Data TXD • Normal and Sleep Mode • Wake-up Capability via LIN Bus 90 µs Dominant • External Wake-up via WAKE Pin 130 µs Low Level • Control of External Voltage Regulator via INH Pin • Very Low Standby Current During Sleep Mode 10 µA • 60V Load Dump Protection at LIN Pin 42-V Power Net • Wake-up Source Recognition • Bus Pin Short-circuit Protected versus GND and Battery • LIN Input Current < 3 µA if VBAT Is Disconnected • Overtemperature Protection • High EMC Level • Interference and Damage Protection According to ISO/CD 7637 • ESD HBM 6 kV at LIN Bus Pin and Supply VS Pin

Part	Datasheet
ATA6661-TAQJ 19	ATA6661-TAQJ 19 (pdf)

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• Operating Range from 5V to 18V • Baud Rate from Kbaud up to 20 Kbaud • Improved Slew Rate Control According to LIN Specification • Fully Compatible with 3.3V and 5V Devices • Dominant Time-out Function at Transmit Data TXD • Normal and Sleep Mode • Wake-up Capability via LIN Bus 90 µs Dominant • External Wake-up via WAKE Pin 130 µs Low Level • Control of External Voltage Regulator via INH Pin • Very Low Standby Current During Sleep Mode 10 µA • 60V Load Dump Protection at LIN Pin 42-V Power Net • Wake-up Source Recognition • Bus Pin Short-circuit Protected versus GND and Battery • LIN Input Current < 3 µA if VBAT Is Disconnected • Overtemperature Protection • High EMC Level • Interference and Damage Protection According to ISO/CD 7637 • ESD HBM 6 kV at LIN Bus Pin and Supply VS Pin LIN Transceiver ATA6661 The ATA6661 is a fully integrated LIN transceiver according to the LIN specification It interfaces the LIN protocol handler and the physical layer. The device is designed to handle the low-speed data communication in vehicles, e.g., in convenience electronics. Improved slope control at the LIN bus ensures secure data communication up to 20 kBaud with an RC-oscillator for protocol handling. In order to comply with the 42-V power net requirements, the bus output is capable of withstanding high voltages. Sleep mode guarantees minimal current consumption. Figure Block Diagram RXD 1 ATA6661 Receiver + Filter 6 LIN TXD 4 VS WAKE 3 Pin Configuration Figure Pinning SO8 TXD Time-out timer Wake up bus timer Slew rate control Wake-up timer Control unit Sleep mode Short circuit and overtemperature protection 8 INH RXD 1 EN 2 WAKE 3 TXD 4 8 INH 7 VS 6 LIN 5 GND 5 GND Figure Pin 1 2 3 4 5 6 7 Pin Description Symbol Function Receive data output open drain Enables normal mode, when the input is open or low, the device is in sleep mode WAKE High voltage input for local wake-up request Transmit data input active low output strong pull-down after a local wake-up request Ground LIN bus line input/output Battery supply Battery related inhibit output for controlling an external voltage regulator active high after a wake-up request 2 ATA6661 ATA6661 Functional Description Supply Pin VS Undervoltage detection is implemented to disable transmission if VS is falling to a value below 5V to avoid false bus messages. After switching on VS the IC switches to pre-normal mode and INHIBIT is switched on. The supply current in sleep mode is typically 10 µA. Ground Pin GND Ordering Information Extended Type Number ATA6661-TAPY ATA6661-TAQJ Package SO8 Package Information Package SO 8 Dimensions in mm Remarks LIN transceiver, Pb-free, 1k, taped and reeled LIN transceiver, Pb-free, 4k, taped and reeled Drawing-No. Issue 1; technical drawings according to DIN specifications 14 ATA6661 ATA6661 History • Section 6 “Electrical Characteristics” numbers and on page 9 changed 4729L-AUTO-04/08 • Section 7 “Ordering Information” on page 14 changed 4729K-AUTO-10/07 • Section 7 “Ordering Information” on page 14 changed • Put datasheet in a new template 4729J-AUTO-07/07 • Capital T for time generally changed in a lower case t • Figure 1-1 “Block Diagram” on page 2 changed • Figure 6-2 “Application Circuit” on page 13 changed • Put datasheet in a new template 4729I-AUTO-12/06 • Section “TXD Dominant Time-out Function” changed • Section 7 “Ordering Information” on page 14 changed • Put datasheet in a new template • Pb-free logo on page 1 deleted • Features on page 1 changed • Section 3-10 “Mode of Operation” on page 5 changed 4729H-AUTO-10/06 • Figure 3-1 “Mode of Operation” on page 6 changed • Section “Physical Layer Compatibility” on page 6 added • Section 6 “Electrical Characteristics” number on page 9 added • Section 6 “Electrical Characteristics” number on page 11 changed • Section 6 “Electrical Characteristics” number and on page 11 added 4729G-AUTO-10/05 • Figure 6-2 “Application Circuit” on page 12 changed • Pb-free Logo on page 1 added • Table “Ordering Information” on page 13 changed • Section “Fail-safe Features” on page 5 changed • Figure “LIN Wake-up Waveform Diagram” on page 6 changed 4729F-AUTO-05/05 • Table “Absolute Maximum Ratings” on page 7 changed 4729E-AUTO-01/05 • Table “Electrical Characteristics” Rows and changed • Put datasheet in a new template • Table “Ordering Information” on page 13 changed • Put datasheet into new template • Section “Features” on page 1 changed • Figure 1 “Block Diagram” on page 1 changed • Section “Bus Pin LIN ” on page 2 changed • Section “TX Dominant Time-out Function” on page 3 changed • Section “Output Pin RXD ” on page 3 changed • Section “Inhibit Output Pin INH ” on page 3 changed 4729D-AUTO-10/04 • Section “Wake-up Input Pin WAKE ” on page 3 changed • Section “Remote Wake-up via Dominant Bus State” on page 4 changed • Section “Fail-safe Features” added • Table “Absolute Maximum Ratings” on page 7 changed • Table “Electrical Characteristics” Rows and changed • Table “Electrical Characteristics” Rows and 4729C-AUTO-06/04 • Figure 7 “Application Circuit” on page 12 changed • Table “Ordering Information” on page 13 changed Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel 1 408 441-0311 Fax 1 408 487-2600 International Atmel Asia Unit 1-5 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel 852 2245-6100 Fax 852 2722-1369 Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-en-Yvelines Cedex France Tel 33 1-30-60-70-00 Fax 33 1-30-60-71-11 Atmel 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 Product Contact Web Site Literature Requests Technical Support Sales Contact 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. 2009 Atmel Corporation. All rights reserved. Atmel logo and combinations thereof, and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

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• Operating Range from 5V to 18V
• Baud Rate from Kbaud up to 20 Kbaud
• Improved Slew Rate Control According to LIN Specification
• Fully Compatible with 3.3V and 5V Devices
• Dominant Time-out Function at Transmit Data TXD
• Normal and Sleep Mode
• Wake-up Capability via LIN Bus 90 µs Dominant
• External Wake-up via WAKE Pin 130 µs Low Level
• Control of External Voltage Regulator via INH Pin
• Very Low Standby Current During Sleep Mode 10 µA
• 60V Load Dump Protection at LIN Pin 42-V Power Net
• Wake-up Source Recognition
• Bus Pin Short-circuit Protected versus GND and Battery
• LIN Input Current < 3 µA if VBAT Is Disconnected
• Overtemperature Protection
• High EMC Level
• Interference and Damage Protection According to ISO/CD 7637
• ESD HBM 6 kV at LIN Bus Pin and Supply VS Pin

LIN Transceiver ATA6661

The ATA6661 is a fully integrated LIN transceiver according to the LIN specification It interfaces the LIN protocol handler and the physical layer. The device is designed to handle the low-speed data communication in vehicles, e.g., in convenience electronics. Improved slope control at the LIN bus ensures secure data communication up to 20 kBaud with an RC-oscillator for protocol handling. In order to comply with the 42-V power net requirements, the bus output is capable of withstanding high voltages. Sleep mode guarantees minimal current consumption.

Figure Block Diagram

RXD 1

ATA6661

Receiver +

Filter
6 LIN

TXD 4 VS

WAKE 3

Pin Configuration

Figure Pinning SO8

TXD Time-out
timer

Wake up bus timer Slew rate control

Wake-up timer

Control unit Sleep mode

Short circuit and overtemperature protection
8 INH

RXD 1 EN 2

WAKE 3 TXD 4
8 INH 7 VS 6 LIN 5 GND
5 GND

Figure Pin 1 2 3 4 5 6 7

Pin Description

Symbol Function

Receive data output open drain

Enables normal mode, when the input is open or low, the device is in sleep mode

WAKE High voltage input for local wake-up request

Transmit data input active low output strong pull-down after a local wake-up request

Ground

LIN bus line input/output

Battery supply

Battery related inhibit output for controlling an external voltage regulator active high after a wake-up request
2 ATA6661

ATA6661

Functional Description

Supply Pin VS

Undervoltage detection is implemented to disable transmission if VS is falling to a value below 5V to avoid false bus messages. After switching on VS the IC switches to pre-normal mode and INHIBIT is switched on. The supply current in sleep mode is typically 10 µA.

Ground Pin GND
Ordering Information

Extended Type Number ATA6661-TAPY ATA6661-TAQJ

Package SO8

Package Information

Package SO 8 Dimensions in mm

Remarks LIN transceiver, Pb-free, 1k, taped and reeled LIN transceiver, Pb-free, 4k, taped and reeled

Drawing-No. Issue 1;
technical drawings according to DIN specifications
14 ATA6661

ATA6661

History
• Section 6 “Electrical Characteristics” numbers and on page 9 changed
4729L-AUTO-04/08
• Section 7 “Ordering Information” on page 14 changed
4729K-AUTO-10/07
• Section 7 “Ordering Information” on page 14 changed
• Put datasheet in a new template
4729J-AUTO-07/07
• Capital T for time generally changed in a lower case t
• Figure 1-1 “Block Diagram” on page 2 changed
• Figure 6-2 “Application Circuit” on page 13 changed
• Put datasheet in a new template
4729I-AUTO-12/06
• Section “TXD Dominant Time-out Function” changed
• Section 7 “Ordering Information” on page 14 changed
• Put datasheet in a new template
• Pb-free logo on page 1 deleted
• Features on page 1 changed
• Section 3-10 “Mode of Operation” on page 5 changed
4729H-AUTO-10/06
• Figure 3-1 “Mode of Operation” on page 6 changed
• Section “Physical Layer Compatibility” on page 6 added
• Section 6 “Electrical Characteristics” number on page 9 added
• Section 6 “Electrical Characteristics” number on page 11 changed
• Section 6 “Electrical Characteristics” number and on page 11 added
4729G-AUTO-10/05
• Figure 6-2 “Application Circuit” on page 12 changed
• Pb-free Logo on page 1 added
• Table “Ordering Information” on page 13 changed
• Section “Fail-safe Features” on page 5 changed
• Figure “LIN Wake-up Waveform Diagram” on page 6 changed
4729F-AUTO-05/05
• Table “Absolute Maximum Ratings” on page 7 changed
4729E-AUTO-01/05
• Table “Electrical Characteristics” Rows and changed
• Put datasheet in a new template
• Table “Ordering Information” on page 13 changed
• Put datasheet into new template
• Section “Features” on page 1 changed
• Figure 1 “Block Diagram” on page 1 changed
• Section “Bus Pin LIN ” on page 2 changed
• Section “TX Dominant Time-out Function” on page 3 changed
• Section “Output Pin RXD ” on page 3 changed
• Section “Inhibit Output Pin INH ” on page 3 changed
4729D-AUTO-10/04
• Section “Wake-up Input Pin WAKE ” on page 3 changed
• Section “Remote Wake-up via Dominant Bus State” on page 4 changed
• Section “Fail-safe Features” added
• Table “Absolute Maximum Ratings” on page 7 changed
• Table “Electrical Characteristics” Rows and changed
• Table “Electrical Characteristics” Rows and
4729C-AUTO-06/04
• Figure 7 “Application Circuit” on page 12 changed
• Table “Ordering Information” on page 13 changed

Headquarters

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

International

Atmel Asia Unit 1-5 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel 852 2245-6100 Fax 852 2722-1369

Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-en-Yvelines Cedex France Tel 33 1-30-60-70-00 Fax 33 1-30-60-71-11

Atmel 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

Product Contact

Web Site

Literature Requests

Technical Support

Sales Contact

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.
2009 Atmel Corporation. All rights reserved. Atmel logo and combinations thereof, and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

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Datasheet ID: ATA6661-TAQJ 19 519205