Automotive LCD Driver for Character Displays

  • 本页面包含有关样品阶段产品的信息。此处的规格和信息如有更改,恕不另行通知。如需了解其他信息,请联系支持人员或您的销售代表。

产品详情

Features

Key Features

  • AEC Q100 grade 2 compliant for automotive applications
  • Single-chip LCD controller and driver
  • Extended operating temperature range from -40 °C to +105 °C
  • 2-line display of up to 20 characters plus 200 icons or 1-line display of up to 40 characters plus 200 icons
  • 5 x 7 character format plus cursor and user-defined symbols
  • Icon blink function
  • Readout of RAM and all registers possible
  • Diagnostic features: Checksum on I2C and SPI bus
  • Frame frequency: programmable from 45 Hz to 360 Hz
  • Display Data RAM (DDRAM): 80 characters
  • Character Generator ROM (CGROM): 240, 224, or 208 characters (5 x 8) depending on the selected RAM size
  • Character Generator RAM (CGRAM): 16, 32, or 48 characters (5 x 8); ICON-RAM: 400 bit
  • Two-line I2C-bus interface or four-line SPI bus selectable through input pin
  • Large supply voltage range: VDD1: 2.5 V to 5.5 V (chip can be driven with battery cells)
  • Analog supply voltage VDD2: 2.5 V to 5.5 V
  • LCD supply voltage VLCD: 4 V to 16 V
  • Direct mode to save current consumption for icon mode and multiplex drive mode 1:9 (depending on VDD2 value and LCD properties)
  • Power-down mode pin
  • Icon mode is used to save current. When only icons are displayed, a much lower LCD operating voltage can be used and the switching frequency of the LCD driver outputs is reduced. In this case, for many applications it is possible to use VDD as LCD supply voltage

On-Chip

  • Programmable 4, 3, or 2 times voltage multiplier generating LCD supply voltage (external supply also possible)
  • Integrated temperature sensor with temperature readout
  • Selectable linear temperature compensation of on-chip generated VLCD
  • Generation of intermediate LCD bias voltages
  • Oscillator requires no external components (external clock also possible)

Inversion Modes

  • N-line (n = 1 to 7) inversion
  • Frame inversion

Very Low Current Consumption (20 μA to 200 μA)

  • Power-down mode: < 2 μA
  • Icon mode: < 25 μA

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