PCF85132U/2DA/1,02

Display Drivers Overview

The PCF85132U/2DA/1,02 is an automotive-grade LCD segment driver designed for low multiplex rate applications. It functions as a single-chip controller and driver capable of generating drive signals for static or multiplexed LCDs with up to four backplanes and 80 segments. The device supports flexible display configurations, including numeric characters, alphanumeric displays, and graphic elements. It features a 400 kHz I²C bus interface for communication with microcontrollers and includes internal RAM for display data storage. The component operates within a wide voltage range and offers low power consumption suitable for automotive environments.

Display Drivers Feature Summary

• Automotive-qualified single-chip LCD controller and driver supporting up to 80 segments and four backplanes
• Flexible drive modes including static, 1/2, and 1/3 multiplexing with programmable frame frequencies
• Integrated 400 kHz I²C bus interface with automatic sub-address incrementing for efficient data loading
• Internal LCD bias generation using voltage follower buffers and support for independent logic and LCD power supplies

Display Drivers Applications

• Automotive instrument clusters and dashboard displays
• Infotainment system user interfaces
• Climate control panel displays
• Door module status indicators

Display Drivers Procurement Notes

Verify the specific suffix '1,02' against the manufacturer's current ordering guide to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the automotive qualification grade matches the target application requirements. Cross-reference the full part number with official NXP documentation to validate availability and lifecycle status before procurement.

Display Drivers Selection Notes

Select this component for designs requiring robust automotive reliability and low-power LCD driving capabilities. It is suitable for applications needing simple I²C connectivity without complex external circuitry. Consider its segment count and backplane options to ensure compatibility with the target display glass. Evaluate the need for COG compatibility if space constraints are critical in the final assembly.

Display Drivers Part Context

This device belongs to NXP's family of universal LCD segment drivers, specifically tailored for automotive use. It serves as a successor or alternative to general-purpose models like the PCF8532, offering enhanced safety and environmental qualifications. The product line focuses on reducing system complexity by integrating controller and driver functions into a single package.

Display Drivers Replacement Considerations

The PCF8532U is noted as obsolete with the PCF85132U/2DA/1 recommended as the industrial replacement. For automotive applications, verify pin-to-pin and software compatibility with existing designs when transitioning from older generations or generic equivalents.