ATA5275-PGPI Atmel, ATA5275-PGPI Datasheet
ATA5275-PGPI
Specifications of ATA5275-PGPI
Related parts for ATA5275-PGPI
ATA5275-PGPI Summary of contents
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... Electrostatic sensitive device. Observe precautions for handling. 1. Description The ATA5275 is an integrated 1.5A peak current BCDMOS antenna driver IC dedi- cated 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 con- trolled via a one wire I/O-interface by an external unit ...
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... General Description The ATA5275 is a 125-kHz transmitter IC dedicated to driving 125 kHz LC antenna tanks, specifically for the wake-up channel in Tire Pressure Measurement (TPM) 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 fre- quency, achieving a maximum field strength on the antenna ...
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... DIO line interface voltage selection 17 DIO One-wire serial interface line 18 VCC 5V supply output (for external storage capacitor only) 19 BOOST External bootstrap cap 20 DVCC3 Battery supply input Note: 1. Pin numbers valid for all revisions of the ATA5275 4739I–AUTO–01/ DVCC3 BOOST VCC DIO 1 DVCC2 2 DVCC1 ...
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... Standby Mode and Wake-up After power-on-reset, the ATA5275 is in standby mode. For minimum power consumption, only the internal 5V supply and the DIO line interface are active. The IC can be activated by the exter- nal control unit via the serial interface. The DIO line is called logic high pulled up to the VDIO voltage level ...
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... Transmission Mode 4.3.1 ASK Modulation For the transmission of a wake-up signal or data to a receiver, the ATA5275 generates a antenna resonance synchronized signal at the antenna driver output (DRV pin). A connected LC antenna radiates a magnetic field. For the data transmission the field can be 100% amplitude modulated by the DIO interface input ...
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... T With the acknowledge and the error signal a connected microcontroller is able to recognize fail- ures of the IC or the antenna module as well as DIO line failures like a broken wire or a short circuit. ATA5275 6 Time Out and Time Out Reset Protocol Transmission ...
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... For that purpose, an external SO Time Out Error Signal Acknowledge Failure Detection TOUT_H TACK TDFx Failure of the logic circuits and the CC can be used externally for loads mA. CC and after power on. and the resonance tracking mode with clock SO ATA5275 TERR “Diagno- 7 ...
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... In any case of circuit protection mode or error detection the IC indicates this states according to the transmission protocol via the DIO line (see section Signal” on page ATA5275 8 deviates ±1.4% from the antenna resonance frequency, depending on the antenna RT 8). The half-bridge is switched low level signal at DIO and generates of the driver output ...
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... Under-voltage detection: Monitors if DVCC is below VBAT 2. Antenna frequency error: Diagnosis if the oscillation frequency during transmission is outside the typical tracking range 90 kHz to 160 kHz. 3. Antenna peak current error: Diagnosis if the peak current is greater than the adjusted IA 4739I–AUTO–01/06 + 15% typically. PEAK ATA5275 DEB (typi- LD (typically 6.5V ...
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... Thermal resistance, junction ambient 7. Operating Range The operating conditions define the limits for functional operation and parametric characteristics of the device. Functionality outside these limits is not implied if not otherwise stated explicitly. Parameters Operating supply voltage Operating temperature range ATA5275 10 Symbol Min. VSS 0 DVSS1,2,3 – ...
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... Symbol Min. Typ. Max. V 4.7 5 SUPP STBY V 3.5 4 POR VBAT VBAT 6.0 6.5 UV TSD 150 165 DEB RDS 0.3 ONL RDS 0.3 ONH T 50 100 DRV,RISE T 50 100 DRV,FALL ATA5275 (1) Unit Type* 5 µ 180 µs A 0.7 A 0.7 A 150 ns D 150 ...
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... Input high level 5.6 100% = DVCC threshold *) Type means 100% tested 100% correlation tested Characterized on samples Design parameter Notes < V(DVCC) < 24V; –40 C < 2. Definition of DC see DRV 7.5 µ VDIO,stby amb ATA5275 12 (1) (Continued) Pin Symbol DRV DC RCR acc acc CLK ...
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... DH T 256 ACK T 128 ERR T 16 OUTL T 16 OUTH ORP Figure 11-1 on page Min. Typ. Max. 100/50 1.5/50 100 25 200 10 0. (2) 0.1 0 345/2.5 10 4.7/400 ATA5275 Unit Type* 4 kbit µs B µs B µs B µ µs ms 15). Unit µF/V A µ µH/ nF/V 13 ...
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... Application Hints A typical application of ATA5275 is shown in antenna current can be estimated by the formula Î Here R resistance in series with the shunt resistance and the internal drain-source-on-resistance of the NDMOS. The duty cycle DC of the oscillation period. The phase difference and the peak value of the antenna current. ...
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... Figure 11-1. Application Circuit 4739I–AUTO–01/06 State Machine Gate Driver Control Half Bridge ATA5275 15 ...
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... Ordering Information Extended Type Number ATA5275-PGQI ATA5275-PGPI 13. Package Information Package: QFN Exposed pad 2.7 x 2.7 (acc. JEDEC OUTLINE No. MO-220) Dimensions in mm 0.42 45 ˚ technical drawings according to DIN specifications Drawing-No.: 6.543-5069.01-4 Issue: 3; 24.01.03 14. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document ...
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... 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 CONDI- TIONS 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 ...