4 X 60 Automotive LCD Segment Driver with Integrated Charge Pump

PCA8543AHL
  • Archived
  • This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.

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Product Details

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Features

  • AEC-Q100 grade 2 compliant for automotive applications
  • Low power consumption
  • Extended operating temperature range from -40 °C to +105 °C
  • 60 segments and 4 backplanes allowing to drive:
    • up to 30 7-segment alphanumeric characters
    • up to 15 14-segment alphanumeric characters
    • any graphics of up to 240 elements
  • Selectable backplane drive configuration: static, 2, or 4 backplane multiplexing
  • Programmable internal charge pump for on-chip LCD voltage generation up to 3 x VDD2
  • 400 kHz I²C-bus interface
  • Selectable linear temperature compensation of VLCD
  • Selectable display bias configuration
  • Wide range for digital and analog power supply: from 2.5 V to 5.5 V
  • Wide LCD supply range: from 2.5 V for low threshold LCDs and up to 9.0 V for high threshold (automobile) twisted nematic LCDs
  • On-chip RAM for display data storage arranged in two banks
  • Display memory bank switching
  • Programmable frame frequency in steps of 10 Hz in the range of 60 Hz to 300 Hz; factory calibrated with a tolerance of ±15 % covering the whole temperature and voltage range
  • Selectable inversion scheme for LCD driving waveforms: frame or line inversion
  • Integrated temperature sensor with temperature readout
  • On chip calibration of internal oscillator frequency and VLCD

Target Applications

  • Instrument cluster
  • Car radio
  • Climate control units

Documentation

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5 documents

Design Resources

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Design Files

1 design file

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