PCA8551 | NXP 半导体

安全互联汽车

工业

消费电子

技术

Automotive 36 × 4 LCD Segment Driver

PCA8551 正常供应

PCA8551 is an ultra low-power LCD segment driver with 4 backplane- and 36 segment-driver outputs, with either an I²C- (PCA8551A) or an SPI-bus (PCA8551B) interface. It comprises an internal oscillator, bias generation, instruction decoding, and display controller.

产品详情

Features

  • 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
  • 36 segment drives:
    • Up to 18 7-segment numeric characters
    • Up to 9 14-segment alphanumeric characters
    • Any graphics of up to 144 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 (PCA8551A)
  • 5 MHz SPI-bus interface (PCA8551B)
  • Internally generated or externally supplied clock signal

Target Applications

  • Displays integrated
    • in a car instrument cluster
    • in a control indicator
  • Battery operated applications
  • Healthcare devices

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Type Classification

VDD1 [min] (V)

VDD1 [max] (V)

VLCD [min] (V)

VLCD [max] (V)

ffr

PCA8551ATT
数据手册

TSSOP48

LCD Segment Drivers

1.8

5.5

1.8

5.5

256.0

PCA8551BTT
数据手册

TSSOP48

LCD Segment Drivers

1.8

5.5

1.8

5.5

256.0

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