4 X 44 Automotive LCD Driver

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Product Details


  • AEC-Q100 grade 3 compliant for automotive applications
  • Single-chip 176 elements LCD controller and driver
  • Wide range for digital power supply: from 1.8 V to 5.5 V
  • LCD supply range from 2.5 V up to 9 V
  • LCD and logic supplies may be separated
  • Low power consumption
  • Four backplanes and selectable display bias configuration
  • On-chip RAM for display data storage
  • 400 kHz I²C-bus interface (PCA8546A)
  • 5 MHz SPI-bus interface (PCA8546B)
  • Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of about 10 Hz; factory calibrated
  • 176 segments driven allowing:
    • up to 22 7-segment alphanumeric characters
    • up to 11 14-segment alphanumeric characters
    • any graphics of up to 176 elements
  • Manufactured in silicon gate CMOS process
  • Extended operating temperature range up to 95 °C

Target Applications

  • Climate control
  • Car radio
  • Dashboard display

Part numbers include: PCA8546ATT, PCA8546BTT.


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Design Files

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Engineering Services

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