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

• 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

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

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