ATA5276M-PGQW 19
ATA5276M-PGQW 19 Datasheet
ATA5276
| Part | Datasheet |
|---|---|
ATA5276M-PGQW 19 |
ATA5276M-PGQW 19 (pdf) |
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ATA5276M-PGQW 19 |
ATA5276M-PGQW 19 (pdf) |
| Related Parts | Information |
|---|---|
ATA5276M-PGPW 19 |
ATA5276M-PGPW 19 |
ATA5276-PGPW |
ATA5276-PGPW |
| PDF Datasheet Preview |
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| • Antenna Driver Stage with Adjustable Antenna Peak Current for up to 1.5A • Frequency Tuning Range from 100 kHz to 150 kHz • Automatic Antenna Peak Current Regulation • Self-tuning Oscillator for Antenna Resonant Frequency Adaptation • Capable of Driving a High-Q Antenna • Integrated 5V Regulator for External Load up to 10 mA • Bi-directional Single Wire Interface for Microcontroller or ECU • LF Baud Rates up to 4 kbaud and Amplitude Shift Keying ASK Modulation • Low Power Standby Mode < 50 µA • Antenna Driver Diagnosis Peak Current, Antenna Frequency and Battery Voltage Monitoring • Power Supply Range 8V to 24V Direct Battery Input • Load Dump Protection • Operation at Temperature to +105°C • EMI and ESD According to Automotive Requirements • Highly Integrated, Fewer External Components Required • Overtemperature Protection 125 kHz Transmitter IC for TPM ATA5276 • Tire Pressure Measurement TPM • Wake-Up Systems • Auditing/Tracking Systems • Localization/Security Systems • Self Tuning Capability to Antenna Resonance Frequency • Adjustable Antenna Peak Current Value • Highest Integration Level for Embedded Automotive Systems • Power Saving/Low Current Consumption for Wake-Up Systems The ATA5276 is an integrated 1.5A peak current BCDMOS antenna driver IC dedicated as a 125 kHz wake-up channel transmitter for TPM applications. It includes the full functionality to generate a magnetic LF field in conjunction with an antenna coil to transmit data and power to a receiver. The transmission can be controlled via a one wire I/O-interface by an external unit. The smart power IC is delivered in a QFN20 power package with heat slug. The ATA5276 is a 125-kHz transmitter IC. It is dedicated to driving 125 kHz LC antenna tanks, for the wake-up channel in Tire Pressure Measurement TPM applications or various power saving Industrial wake-up applications.. It includes a control logic with VCO which generates the 125 kHz signal for the output driver stage. A phase lock circuit regulates the driver output frequency on the antenna resonance frequency, achieving a maximum field strength on the antenna. The driver duty cycle is regulated and stabilizes the antenna current for a wide supply voltage range. The IC can be controlled by a microcontroller or ECU via the one wire bi-directional interface. It is used for the data transmission and to indicate errors. For the data transmission ASK modulation is used. The antenna signal is modulated by the DIO interface line. The IC has a build in diagnosis function and detects detuning and broken or short wire of the antenna circuitry. If a failure is detected the IC indicates it by an error signal via the DIO line. The integrated 5V regulator can be used externally for a load up to 10 mA. Figure Block Diagram DVCC3 BOOST VDIO DVCC2 2 DVCC1 3 DRV3 4 DRV2 5 DRV1 Half Bridge Gate Drive Control XOR State Machine 5V REG BIAS ATA5276 125-kHz Transmitter Line 14 TM2 13 TM3 12 RCR 11 REXT 6 DVSS3 7 DVSS2 8 DVSS1 9 SENSE 10 VSS 2 ATA5276 Pin Configuration Ordering Information Extended Type Number ATA5276M-PGQW ATA5276M-PGPW Package QFN20, 5 mm x 5 mm QFN20, 5 mm x 5 mm Remarks Pb-free, Taped and reeled Pb-free, Taped and reeled Minimum Order Quantitiy 6,000 1,500 Package Information 16 ATA5276 ATA5276 History 4909C-AUTO-01/07 • Put datasheet in a new template • All pages Preliminary deleted • Page 1 Application new bullets added • Page 1 Benefits new bullet added • Page 2 General Description text changed • Page 8 Coil Driver Output... last paragrah changed • Page 10 Abs.Max.Rat. Table Minimum ESD protection rows changed • Page 15 Application Ciruit drawing changed • Page 16 Ordering Information Table 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. 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