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An integrated programmable BCDMOS antenna driver IC transmitter. Designed for hands-free access control applications such as passive entry/go (PEG), tire pressure measurement (TPM), home access control, and care watch systems.It includes the full functionality of generating a magnetic LF field with an antenna coil to transmit data to a receiver in a key fob, card or transponder. A microcontroller can access the chip via a bi-directional serial interface.