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L9663 Description

The Peripheral Sensor Interface (PSI5) is an interface for automotive sensor applications. PSI5 is an open standard based on existing sensor interfaces for peripheral sensors and offers a universal and flexible solution for multiple sensor applications. The PSI5 interface allows asynchronous or synchronous operations and different bus modes.

L9663 Key Features

  • AEC-Q100 qualified
  • 2-channel PSI5 transceiver patible with rev. 1.3 and rev. 2.x
  • Manchester coded digital data transmission
  • High data transmission speed of 125 kbps (optional 83.3 kbps and 189 kbps)
  • High EMC robustness and low emission
  • Bootstrap circuits for sync pulses
  • Current limitation and voltage clamp on interface pins
  • Integrated charge pump stage for preregulation with spread spectrum approach
  • Integrated FLL module for high accuracy timing control
  • Reverse voltage protection structure