ATA5278-PKQI

ATA5278-PKQI Datasheet

• SPI for Microcontroller Connection with Up to 1 Mbit/s • Internal Data Buffer for Timing-independent Data Transmission • Programmable Driver Current Regulation • One-chip Antenna Driver Stage for 1A Peak Current • LF Baud Rates Between 1 kbaud and 4 kbaud • Quick Start Control QSC for Fast Oscillation Build-up and Decay Timing • Integrated Oscillator for Ceramic Resonators • Power Supply Range from 7.5V to 16V Direct Battery Input

Part	Datasheet
ATA5278-PKQI	ATA5278-PKQI (pdf)

PDF Datasheet Preview
• SPI for Microcontroller Connection with Up to 1 Mbit/s • Internal Data Buffer for Timing-independent Data Transmission • Programmable Driver Current Regulation • One-chip Antenna Driver Stage for 1A Peak Current • LF Baud Rates Between 1 kbaud and 4 kbaud • Quick Start Control QSC for Fast Oscillation Build-up and Decay Timing • Integrated Oscillator for Ceramic Resonators • Power Supply Range from 7.5V to 16V Direct Battery Input Up to 28V With Limited Function Range • Amplitude Shift Keying ASK Modulation • Phase Shift Keying PSK Modulation • Carrier Frequency Range from 100 kHz to 150 kHz • Operational Temperature to +105°C • EMI and ESD According to Automotive Requirements • Highly Integrated Less External Components Required Stand-alone Antenna Driver ATA5278 • Hands-free Car Access Passive Entry/Go • Tire Pressure Measurement • Home Access Control • Care Watch Systems • Diagnosis Function and Overtemperature Protection • Load Dump Protection Up to 45V for 12V Boards • Power-down Mode for Minimum Power Consumption The ATA5278 device is an integrated BCDMOS antenna driver IC dedicated as a transmitter for Passive Entry/Go PEG car applications and for other hands-free access control applications. It includes the full functionality of generating a magnetic LF field in conjunction with an antenna coil to transmit data to a receiver in a key fob, card or transponder. A microcontroller can access the chip via a bi-directional serial interface. Figure Block Diagram VL1 VL2 VL3 CINT VBATT MODACTIVE VDD OSCI OSCO VIF NRES CLKO PGND1 PGND2 PGND3 VDS CBOOST DRV1 VSHUNT Boost converter control 5V regulator ATA5278 Oscillator Voltage interface S_CS S_CLK S_DI S_DO HS driver Control LS driver Driver control status logic register Current and zero crossing sensing LF data buffer AGND DGND SCANE TEST Pin Configuration Figure Pinning QFN28 VL3 VL2 VL1 VBATT VDD S_DO S_DI PGND1 PGND2 PGND3 VDS DRV1 CBOOST QSC 28 27 26 25 24 23 22 Ordering Information Extended Type Number ATA5278-PKQI Package Information Package QFN28 Package QFN 28 - 7 x 7 Exposed pad x acc. JEDEC OUTLINE No. MO-220 Dimensions in mm Not indicated tolerances ± Drawing-No. Issue 1; ATA5278 Remarks 7 mm x 7 mm, taped and reeled, Pb-free 22 21 15 14 technical drawings according to DIN specifications 8 nom. History 4832D-RKE-12/07 • Put datasheet in the newest template Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel 1 408 441-0311 Fax 1 408 487-2600 International Atmel Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 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. 2007 Atmel Corporation. All rights reserved. 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.

PDF Datasheet Preview

• SPI for Microcontroller Connection with Up to 1 Mbit/s
• Internal Data Buffer for Timing-independent Data Transmission
• Programmable Driver Current Regulation
• One-chip Antenna Driver Stage for 1A Peak Current
• LF Baud Rates Between 1 kbaud and 4 kbaud
• Quick Start Control QSC for Fast Oscillation Build-up and Decay Timing
• Integrated Oscillator for Ceramic Resonators
• Power Supply Range from 7.5V to 16V Direct Battery Input

Up to 28V With Limited Function Range
• Amplitude Shift Keying ASK Modulation
• Phase Shift Keying PSK Modulation
• Carrier Frequency Range from 100 kHz to 150 kHz
• Operational Temperature to +105°C
• EMI and ESD According to Automotive Requirements
• Highly Integrated Less External Components Required

Stand-alone Antenna Driver

ATA5278
• Hands-free Car Access Passive Entry/Go
• Tire Pressure Measurement
• Home Access Control
• Care Watch Systems
• Diagnosis Function and Overtemperature Protection
• Load Dump Protection Up to 45V for 12V Boards
• Power-down Mode for Minimum Power Consumption

The ATA5278 device is an integrated BCDMOS antenna driver IC dedicated as a transmitter for Passive Entry/Go PEG car applications and for other hands-free access control applications.

It includes the full functionality of generating a magnetic LF field in conjunction with an antenna coil to transmit data to a receiver in a key fob, card or transponder. A microcontroller can access the chip via a bi-directional serial interface.

Figure Block Diagram

VL1 VL2 VL3 CINT

VBATT

MODACTIVE VDD OSCI OSCO VIF NRES CLKO

PGND1 PGND2 PGND3

VDS CBOOST

DRV1

VSHUNT

Boost converter
control
5V regulator

ATA5278

Oscillator

Voltage interface

S_CS S_CLK S_DI S_DO

HS driver

Control

LS driver

Driver control
status
logic
register

Current and zero crossing
sensing

LF data buffer

AGND

DGND SCANE TEST

Pin Configuration

Figure Pinning QFN28

VL3 VL2 VL1 VBATT VDD S_DO S_DI

PGND1 PGND2 PGND3

VDS DRV1 CBOOST QSC
28 27 26 25 24 23 22
Ordering Information

Extended Type Number ATA5278-PKQI

Package Information

Package QFN28

Package QFN 28 - 7 x 7 Exposed pad x acc. JEDEC OUTLINE No. MO-220 Dimensions in mm

Not indicated tolerances ±

Drawing-No. Issue 1;

ATA5278

Remarks 7 mm x 7 mm, taped and reeled, Pb-free
22 21
15 14
technical drawings according to DIN specifications
8 nom.

History
4832D-RKE-12/07
• Put datasheet in the newest template

Headquarters

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

International

Atmel Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 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.
2007 Atmel Corporation. All rights reserved. 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.

More datasheets: 2303-H | 2302-H | 2301-H | 2304-H | 2324-H | 98-0003-3771-1 | 98-0003-3775-2 | 98-0003-3781-0 | 98-0003-3805-7 | 98-0003-3800-8

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Datasheet ID: ATA5278-PKQI 519167