U2270B - TEMIC Semiconductors

U2270B Read / Write Base Station IC

IC for IDIC® *) read-write base stations The U2270B is a bipolar integrated circuit 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 automotivespecific distances. .

Features

D D D D D D D D D Carrier frequency fosc 100 KHz
  – 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 5-V regulated voltage Optimized for car immobilizer applications Tuning capability Microcontroller-compatible interface Low power consumption in standby mode Power supply output for microcontroller Applications D Car immobilizers D Animal identification D Access control D Process control D Further industrial applications Case: SO16 U2270B-FP Transponder / TAG Read / write base station Transp. IC e5530.