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ATA5275 Datasheet TRANSMITTER IC

Manufacturer: Atmel (now Microchip Technology)

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General Description

The ATA5275 is an integrated 1.5 A 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.

Key Features

  • Antenna Driver Stage with Adjustable Antenna Peak Current for up to 1.5 A Frequency Tuning Range from 100 kHz to 150 kHz Automatic Antenna Peak Current Regulation Self-tuning Oscillator for Antenna Resonant Frequency Adaption Capable of Driving a High-Q Antenna Integrated 5 V Regulator for External Load up to 10 mA Bi-directiona.

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