U2270B Datasheet (TEMIC Semiconductors) - Read / Write Base Station IC

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

U2270B 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-c