U2270B-MFPY

U2270B-MFPY Datasheet

U2270B

Part	Datasheet
U2270B-MFPY	U2270B-MFPY (pdf)

Related Parts	Information
U2270B-MFPG3Y	U2270B-MFPG3Y
U2270B-MFPG3	U2270B-MFPG3

PDF Datasheet Preview
• Carrier Frequency fosc 100 kHz to 150 kHz • Typical Data Rate up to 5 Kbaud at 125 kHz • Suitable for Manchester and Bi-phase Modulation • Power Supply from the Car Battery or from 5V Regulated Voltage • Optimized for Car Immobilizer Applications • Tuning Capability • Microcontroller-compatible Interface • Low Power Consumption in Standby Mode • Power-supply Output for Microcontroller • Car Immobilizers • Animal Identification • Access Control • Process Control Read/Write Base Station U2270B The U2270B is an IC for read/write base stations in contactless identification and immobilizer systems. The IC incorporates the energy-transfer circuit to supply the transponder. It consists of an on-chip power supply, an oscillator, and a coil driver optimized for automotive-specific distances. It also includes all signal-processing circuits which are necessary to transform the small input signal into a microcontroller-compatible signal. Figure System Block Diagram Transponder/TAG Transponder IC RF field typ. 125 kHz Figure Block Diagram DVS VEXT Read/write base station Osc U2270B NF read channel Carrier enable Data output Unlock System VBatt COIL1 Power supply COIL2 DGND Driver Input Lowpass filter Amplifier HIPASS Oscillator Schmitt trigger Standby Frequency adjustment MS CFE Output 2 U2270B Pin Configuration Figure Pinning 16 HIPASS OUTPUT 15 RF 14 VS INPUT 13 STANDBY 12 VBATT Ordering Information Extended Type Number U2270B-MFPY U2270B-MFPG3Y Package SO16 Package Information Package SO 16 Dimensions in mm Remarks Tube, Pb-free Taped and reeled, Pb-free Pin 1 identity technical drawings according to DIN specifications Drawing-No. Issue 1; 16 U2270B U2270B History 4684E-RFID-01/08 • Put datasheet in a new template • Section “Low-pass Filter LPF on page 7 Typo removed • Section 8 “Electrical Characteristics” on page 15 Parameter VS alignment corrected 4684D-RFID-09/06 • Put datasheet in a new template • Pb-free logo on page 1 deleted • Section 10 “Package Information” on page 16 changed • Minor grammatical corrections and fixed broken cross references 4684C-RFID-12/05 • Last page Legal sentence changed 4684B-RFID-09/05 • Put datasheet in a new template • Pb-free Logo on page 1 added • New heading rows on Table “Absolute Maximum Ratings” on page 14 added • Ordering Information on page 16 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 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. 2008 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

• Carrier Frequency fosc 100 kHz to 150 kHz
• Typical Data Rate up to 5 Kbaud at 125 kHz
• Suitable for Manchester and Bi-phase Modulation
• Power Supply from the Car Battery or from 5V Regulated Voltage
• Optimized for Car Immobilizer Applications
• Tuning Capability
• Microcontroller-compatible Interface
• Low Power Consumption in Standby Mode
• Power-supply Output for Microcontroller
• Car Immobilizers
• Animal Identification
• Access Control
• Process Control

Read/Write Base Station

U2270B

The U2270B is an IC for read/write base stations in contactless identification and immobilizer systems.

The IC incorporates the energy-transfer circuit to supply the transponder. It consists of an on-chip power supply, an oscillator, and a coil driver optimized for automotive-specific distances. It also includes all signal-processing circuits which are necessary to transform the small input signal into a microcontroller-compatible signal.

Figure System Block Diagram

Transponder/TAG

Transponder IC

RF field typ. 125 kHz

Figure Block Diagram

DVS VEXT

Read/write base station

Osc U2270B NF read channel

Carrier enable

Data output

Unlock System

VBatt

COIL1

Power supply

COIL2 DGND

Driver

Input

Lowpass filter

Amplifier HIPASS

Oscillator

Schmitt trigger

Standby

Frequency adjustment

MS CFE

Output
2 U2270B

Pin Configuration

Figure Pinning
16 HIPASS

OUTPUT
15 RF
14 VS

INPUT
13 STANDBY
12 VBATT
Ordering Information

Extended Type Number U2270B-MFPY U2270B-MFPG3Y

Package SO16

Package Information

Package SO 16 Dimensions in mm

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

Pin 1 identity
technical drawings according to DIN specifications

Drawing-No. Issue 1;
16 U2270B

U2270B

History
4684E-RFID-01/08
• Put datasheet in a new template
• Section “Low-pass Filter LPF on page 7 Typo removed
• Section 8 “Electrical Characteristics” on page 15 Parameter VS alignment corrected
4684D-RFID-09/06
• Put datasheet in a new template
• Pb-free logo on page 1 deleted
• Section 10 “Package Information” on page 16 changed
• Minor grammatical corrections and fixed broken cross references
4684C-RFID-12/05
• Last page Legal sentence changed
4684B-RFID-09/05
• Put datasheet in a new template
• Pb-free Logo on page 1 added
• New heading rows on Table “Absolute Maximum Ratings” on page 14 added
• Ordering Information on page 16 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 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.
2008 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.

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Datasheet ID: U2270B-MFPY 519461