Design Files
2 design files
-
Symbols and Footprints
PCF8551BTT_A-TSSOP48-CAD Symbol and PCB Footprint – BXL File
-
Symbols and Footprints
PCF8551BTT-A-TSSOP48-CAD Symbol and PCB Footprint – BXL File
Universal 36 × 4 LCD Segment Driver
PCF8551 Receive alerts
PCF8551 is an ultra low-power LCD segment driver with 4 backplane- and 36 segment-driver outputs, with either an I²C- (PCF8551A) or an SPI-bus (PCF8551B) interface. It comprises an internal oscillator, bias generation, instruction decoding, and display controller.
Product Details
Key Features
Microcontrollers (MCUs)
- 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 (PCF8551A)
- 3 MHz SPI-bus interface (PCF8551B)
- Internally generated or externally supplied clock signal
Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The PCF8551ATT/A and the PCF8551BTT/A are included in the 15-year program
Documentation
Quick reference to our documentation types.
1-5 of 8 documents
-
Data Sheet
Universal 36 × 4 LCD segment driver
-
Package Information
plastic thin shrink small outline package; 48 leads; body width 6.1 mm
Design Resources
Hardware
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
2 engineering services
-
Independent Design House (IDH)
Hardware Design Services
-
Independent Design House (IDH)
Embedded Software Design
To find a complete list of our partners that support this product, please see our Partner Marketplace.