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Home » NEWEST Products » New by Category » Semiconductors » Driver ICs » PCA8546 4 x 44 Automotive LCD Drivers - NXP
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NXP PCA8546 4 x 44 Automotive LCD Drivers

NXP PCA8546 4 x 44 Automotive LCD Drivers

NXP's PCA8546 4 x 44 Automotive LCD Drivers are a peripheral device which generates the drive signals for any multiplexed LCD containing up to four backplanes, and up to 176 elements. The PCA8546 is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus (PCA8546A) or a three line unidirectional SPI-bus (PCA8546B). Communication overheads are minimized using a display RAM with auto-incremented addressing. These LCD Drivers are each AEC-Q100 Grade 3 compliant for use in automotive applications.

Features
  • AEC-Q100 grade 3 compliant for automotive applications
  • Single-chip 176 elements LCD controller and driver
  • Wide range for digital power supply: from 1.8V to 5.5V
  • LCD supply range from 2.5V up to 9V
  • LCD and logic supplies may be separated
  • Low power consumption
  • Four backplanes and selectable display bias configuration
  • On-chip RAM for display data storage
  • 400kHz I2C-bus interface (PCA8546A)
  • 5MHz SPI-bus interface (PCA8546B)
  • Programmable frame frequency in the range of 60Hz to 300Hz in steps of about 10Hz; factory calibrated

  • 176 segments driven allowing:
    • up to 22 7-segment alphanumeric characters
    • up to 11 14-segment alphanumeric characters
    • any graphics of up to 176 elements
  • Manufactured in silicon gate CMOS process
  • Extended operating temperature range up to 95°C

Applications
  • Climate control
  • Car radio
  • Dashboard display
 
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  • NXP Semiconductors