NXP PCF8548U LCD Driver

The NXP PCF8548U is a cutting-edge LCD driver designed to meet the needs of modern low-power display applications. This versatile chip is an ideal solution for driving small to medium-sized Liquid Crystal Displays (LCDs) with a high level of efficiency and flexibility.

Key Features

• Advanced Display Control: The PCF8548U offers comprehensive control over LCDs, supporting a wide range of display configurations. It can handle up to 40 segments and can be configured for different multiplex rates, making it suitable for a variety of alphanumeric and graphic displays.
• Low Power Consumption: Designed with power efficiency in mind, the PCF8548U is optimized for battery-powered devices, helping to extend the operational lifespan of the product it is integrated into.
• Flexible Interface Options: The device includes an I²C-bus interface, enabling easy communication with microcontrollers and processors. This feature allows for simple integration into existing designs and systems.
• On-Chip Generation of LCD Bias: The PCF8548U has an integrated voltage multiplier and regulator circuitry to generate the required LCD bias voltages, reducing the need for additional external components.
• Temperature Compensation: An integrated temperature compensation feature ensures consistent display performance across a wide range of operating temperatures.
• Multiple Display Modes: The driver supports normal, partial, and blank display modes, allowing for flexible display content management and power savings.

Applications

The NXP PCF8548U is particularly suitable for portable devices where power efficiency is crucial. Its applications include, but are not limited to, mobile phones, handheld gaming devices, medical devices, and any other applications requiring a reliable and efficient LCD display solution.

Technical Specifications

• Supply Voltage: 2.5V to 5.5V
• Display Data RAM: 80 x 4 bits
• Operating Temperature: -40°C to +85°C
• Package: Die, QFP44, and HVQFN40

The NXP PCF8548U LCD driver is a testament to NXP's commitment to innovation and quality in display technology, offering designers a robust, feature-rich solution for a wide array of display applications.