60 X 8 LCD High-Drive Segment Driver for Automotive and Industrial

Block Diagram


PCA9620 Block Diagram


Key Features

  • AEC Q100 grade 2 compliant for automotive applications
  • Low power consumption
  • Extended operating temperature range from -40 °C to +105 °C
  • 480-bit RAM for display data storage
  • Selectable backplane drive configuration: static, 2, 4, 6, or 8 backplane multiplexing
  • Programmable internal charge pump for on-chip LCD voltage generation up to 3 × 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
  • Display memory bank switching in static, duplex, and quadruplex drive modes
  • 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

60 Segments and 8 Backplanes Allowing to Drive

  • up to 60 7-segment alphanumeric characters
  • up to 30 14-segment alphanumeric characters
  • any graphics of up to 480 elements

Part numbers include: PCA9620H, PCA9620U.


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