Automotive 40 × 4 LCD Segment Driver

PCA8553DTT

PCA8553 is an ultra low-power LCD segment driver with 4 backplane- and 40 segment-driver outputs, with either an I²C- or an SPI-bus interface. It comprises an internal oscillator, bias generation, instruction decoding, and display controller.

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Product Details

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Features

  • AEC-Q100 grade 2 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
  • 40 segment drives:
    • Up to 20 7-segment numeric characters
    • Up to 10 14-segment alphanumeric characters
    • Any graphics of up to 160 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
  • 5 MHz SPI-bus interface
  • Internally generated or externally supplied clock signal

Target Applications

  • Metering equipment
  • Small appliances
  • Consumer healthcare devices
  • Battery operated devices
  • Measuring equipment

Design Resources

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