ATA6662-TAQY 19
ATA6662-TAQY 19 Datasheet
• Operating Range from 5V to 27V<br>• Baud Rate up to 20 Kbaud<br>• Improved Slew Rate Control According to LIN Specification and SAEJ2602-2<br>• Fully Compatible with 3.3V and 5V Devices<br>• Dominant Time-out Function at Transmit Data TXD<br>• Normal and Sleep Mode<br>• Wake-up Capability via LIN Bus 90µs Dominant<br>• External Wake-up via WAKE Pin 35µs Low Level<br>• Control of External Voltage Regulator via INH Pin<br>• Very Low Standby Current During Sleep Mode 10 µA<br>• Wake-up Source Recognition<br>• Bus Pin Short-circuit Protected versus GND and Battery<br>• LIN Input Current < 2µA if VBAT Is Disconnected<br>• Overtemperature Protection<br>• High EMC Level<br>• Interference and Damage Protection According to ISO/CD 7637<br>• Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.0”
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ATA6662-TAQY 19 |
ATA6662-TAQY 19 (pdf) |
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| LIN Transceiver Atmel ATA6662 ATA6662C The ATA6662 is a fully integrated LIN transceiver complying with the LIN specification and SAEJ2602-2. It interfaces the LIN protocol handler and the physical layer. The device is designed to handle the low-speed data communication in vehicles, for example, in convenience electronics. Improved slope control at the LIN driver ensures secure data communication up to 20Kbaud. Sleep Mode guarantees minimal current consumption. The Atmel ATA6662 has advanced EMI and ESD performance. Figure Block Diagram RXD 1 Receiver + Filter 7 VS 6 LIN TXD 4 VS WAKE 3 TXD time-out timer Wake-up timer Wake-up bus timer Slew rate control Control unit Sleep mode Short-circuit and overtemperature protection 8 INH 5 GND Pin Configuration Figure Pinning SO8 RXD 1 EN 2 WAKE 3 TXD 4 8 INH 7 VS 6 LIN 5 GND Table 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. If not needed, connect directly to VS Transmit data input active low output strong pull-down after a local wake-up request Ground, heat sink 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 Atmel ATA6662/ATA6662C Atmel ATA6662/ATA6662C Functional Description Physical Layer Compatibility Supply Pin VS Undervoltage detection is implemented to disable transmission if VS falls to a value below 5V in order to avoid false bus messages. After switching on VS, the IC switches to Fail-safe Mode and INHIBIT is switched on. The supply current in Sleep Mode is typically 10µA. Ground Pin GND Ordering Information Extended Type Number ATA6662-TAQY ATA6662C-TAQY Package Information Package SO8 Package SO 8 Dimensions in mm Atmel ATA6662/ATA6662C Remarks LIN transceiver, Pb-free, 4k, taped and reeled LIN transceiver, Pb-free, 4k, taped and reeled Drawing-No. Issue 1; technical drawings according to DIN specifications History 4916P-AUTO-10/11 • Section “Operation Modes” on page 5 changed 4916O-AUTO-05/10 • Features on page 1 changed • Heading text changed 4916N-AUTO-03/10 • Features on page 1 changed • Section 4 “Absolute Maximum Ratings” on page 9 changed • Section 6 “Electrical Characteristics” number on page 11 added • Section 7 “Ordering Information” on page 16 changed • Figure 1-1 “Block Diagram” on page 1 changed 4916M-AUTO-09/09 • Section 4 “Absolute Maximum Ratings” on page 8 changed • Figure 6-2 “Application Circuit” on page 14 changed 4916L-AUTO-02/09 • Section 6 “El.Characteristics” numbers and on page 9 changed 4916K-AUTO-12/08 • Figure 2-1 “Pinning SO8” on page 2 changed • Section “Supply Pin VS ” on page 3 changed • Section “Enable Input Pin EN ” on page 4 changed • Section “Operation Modes” on page 5 changed • Section “Remote Wake-up via Dominant Bus State” on page 5 changed • Section “Wake-up Source Recognition” on page 6 changed • Figure “LIN Wake-up Waveform Diagram” on page 7 changed • Figure “Wake-up from Wake-up Switch” on page 7 changed • Section 4 “Absolute Maximum Ratings” on page 8 changed • Section 5 “Thermal Resistance” on page 8 changed • Section 6 “Electrical Characteristics” on pages 9 to 12 changed • Figure 6-2 “Application Circuit” on page 13 changed 4916J-AUTO-02/08 • “Pre-normal Mode” in “Fail-safe Mode” changed • Section “Inhibit Output Pin INH on page 4 changed • Section 4 “Absolute Maximum Ratings” on page 8 changed • Section 6 “Electrical Characteristics” number on page 9 changed • Section “Physical Layer Compatibility” on page 3 added 4916I-AUTO-12/07 • Section 6 “El.Characteristics” numbers and on page 9 changed 4916H-AUTO-10/07 • Section 7 “Ordering Information” on page 14 changed • Put datasheet in a new template 4916G-AUTO-07/07 • Capital T for time generally changed in a lower case t 16 Atmel ATA6662/ATA6662C Atmel ATA6662/ATA6662C History 4916F-AUTO-05/07 • Figure 1-1 “Block Diagram” on page 1 changed • Figure 6-2 “Application Circuit” on page 13 changed • Features on page 1 changed • Section 6 “El.Characteristics” numbers to and changed 4916E-AUTO-02/07 • Section 4 “Absolute Maximum Ratings” on page 8 changed • Section 2 “Electrical Characteristics” on pages 9 to 11 changed 4916D-AUTO-02/07 • Features on page 1 changed • Section 1 “Description” on page 1 changed • Table 2-1 “Pin Description” on page 2 changed • Section “Ground Pin GND on page 3 changed • Section “Enable Input Pin EN ” on page 4 changed • Section “Remote Wake-up via Dominant Bus State” on page 5 changed • Figure 3-1 “Mode of Operation” on page 6 changed • Section 3-14 “Fail-safe Features” on page 6 changed • Section 4 “Absolute Maximum Ratings” on page 8 changed • Section 6 “Electrical Characteristics” on pages 9 to 11 changed Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel +1 408 441-0311 Fax +1 408 487-2600 Atmel Asia Limited Unit 01-5 & 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 Munich GmbH Business Campus Parkring 4 D-85748 Garching b. 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IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS AND 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 products 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 products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. |
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