Overview
The PCF8553DTT/AJ, produced by NXP USA Inc., is an ultra low-power LCD segment driver designed for a wide range of applications. This single-chip solution integrates 4 backplane and 40 segment-driver outputs, making it highly versatile for various display configurations. The device supports both I²C and SPI bus interfaces, enhancing its compatibility with different system architectures. It includes an internal oscillator, bias generation, instruction decoding, and a comprehensive display controller, making it a robust choice for low-power LCD display needs.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | TSSOP56 |
| Number of Backplane Outputs | 4 |
| Number of Segment Outputs | 40 |
| Interface Options | I²C (400 kHz), SPI (5 MHz) |
| Power Supply Range | 1.8 V to 5.5 V for VLCD and VDD |
| Temperature Range | -40 °C to 85 °C |
| Backplane Drive Configuration | Static, 2, 3, or 4 backplane multiplexing |
| Display Bias Configuration | Static, 1⁄2, or 1⁄3 |
| Segment Drive Capability | Up to 20 7-segment numeric characters, up to 10 14-segment alphanumeric characters, or any graphics of up to 160 segments/elements |
Key Features
- Ultra low-power consumption
- Internal LCD bias generation with buffers
- Auto-incrementing display data and instruction loading
- Versatile blinking modes
- Independent supplies of VLCD and VDD
- Internally generated or externally supplied clock signal
- Selectable backplane drive and display bias configurations
Applications
- Metering equipment
- Small appliances
- Consumer healthcare devices
- Battery operated devices
- Measuring equipment
Q & A
- What is the PCF8553DTT/AJ used for? The PCF8553DTT/AJ is used as an ultra low-power LCD segment driver for various display applications.
- What interfaces does the PCF8553DTT/AJ support? It supports both I²C and SPI bus interfaces.
- What is the temperature range of the PCF8553DTT/AJ? The temperature range is -40 °C to 85 °C.
- What are the power supply ranges for the PCF8553DTT/AJ? The power supply ranges are 1.8 V to 5.5 V for both VLCD and VDD.
- How many backplane and segment outputs does the PCF8553DTT/AJ have? It has 4 backplane and 40 segment outputs.
- What types of displays can the PCF8553DTT/AJ drive? It can drive up to 20 7-segment numeric characters, up to 10 14-segment alphanumeric characters, or any graphics of up to 160 segments/elements.
- Does the PCF8553DTT/AJ have internal bias generation? Yes, it has internal LCD bias generation with buffers.
- What are some common applications of the PCF8553DTT/AJ? Common applications include metering equipment, small appliances, consumer healthcare devices, battery operated devices, and measuring equipment.
- What package type is the PCF8553DTT/AJ available in? It is available in a TSSOP56 package.
- Is the PCF8553DTT/AJ RoHS compliant? Yes, it is RoHS compliant and also halogen-free.
