Automotive 18 X 4 LCD Segment Driver

PCA8561

PCA8561 is an ultra low-power LCD segment driver with 4 backplane- and 18 segment-driver outputs, with either an I²C- or an SPI-bus interface. It comprises an internal oscillator, bias generation, instruction decoding, and display controller.

Product Details

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Features

  • AEC-Q100 grade 2 (up to 105 °C) compliant for automotive applications
  • Single chip LCD controller and driver
  • Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
  • Selectable display bias configuration: static, 1⁄2, or 1⁄3
  • Internal LCD bias generation with buffers
  • 18 segment drives:
    • Up to 9 7-segment numeric characters
    • Up to 4 14-segment alphanumeric characters
    • Any graphics of up to 72 segments/elements
  • Auto-incrementing display data and instruction loading
  • Versatile blinking modes
  • Independent supplies of VLCD and VDD
  • Power supply ranges:
    • 1.8 V to 5.5 V for VLCD
    • 1.8 V to 5.5 V for VDD
  • Ultra low-power consumption
  • 400 kHz I²C-bus interface (PCA8561AHN)
  • 5 MHz SPI-bus interface (PCA8561BHN)
  • Internally generated or externally supplied clock signal
  • Tiny package: HVQFN32, 5 mm x 5 mm

Target Applications

  • Small displays integrated:
    • in a car instrument cluster
    • in a control knob
  • Battery operated applications
  • Healthcare devices

Design Resources

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