PCF8537AH/1,518

Display Drivers Overview

The PCF8537AH/1,518 is an industrial LCD driver designed for high-contrast Vertical Alignment (VA) displays with multiplex rates up to 1:8. It supports up to eight backplanes, 46 segments, and 352 elements. The device features a software-programmable internal charge pump generating voltages up to 9 V. It utilizes a 400 kHz I²C-bus interface and offers programmable temperature compensation for the LCD supply voltage across four regions. Digital power ranges from 1.8 V to 5.5 V, while the LCD supply ranges from 2.5 V to 9.0 V. The component operates within a temperature range of -40°C to +85°C and is housed in a TQFP-64 package.

Display Drivers Feature Summary

• Supports static or multiplexed LCD configurations with selectable backplane drive options including 2, 4, 6, or 8 backplanes.
• Integrates a programmable internal charge pump with on-chip capacitors for LCD voltage generation.
• Provides programmable temperature compensation for LCD supply voltage to ensure stable contrast across operating temperatures.
• Includes 352-bit RAM for display data storage and an integrated temperature sensor with readout capability.

Display Drivers Applications

• White home appliances
• Industrial machine control systems
• Measurement equipment

Display Drivers Procurement Notes

Verify that the specific suffix /1,518 corresponds to the TQFP-64 SMD reel packaging configuration. Confirm the I²C interface variant matches system requirements, as other bus interfaces exist within the family. Check current availability status, as this specific part number may be subject to discontinuation or limited distribution channels. Ensure environmental compliance documentation aligns with target market regulations.

Display Drivers Selection Notes

Select this component when driving high-contrast VA LCDs requiring multiplex rates up to 1:8. The I²C interface is suitable for microcontrollers supporting two-line communication. Consider the wide digital supply range for flexible power design. Verify that the 352-element capacity meets segment requirements. Evaluate the need for integrated temperature sensing and compensation features for stability in varying thermal environments.

Display Drivers Part Context

This part belongs to the PCF8537 series of fully featured LCD controllers and drivers. It is specifically engineered for industrial applications demanding high contrast and stable performance. The AH suffix denotes the I²C-bus interface variant, distinguishing it from SPI-based versions. The series provides comprehensive display management capabilities within a single low-power CMOS chip.

Display Drivers Replacement Considerations

The PCA8537 series serves as a related automotive-grade alternative. Verify if AEC-Q100 qualification is required for the application environment. Interface differences between I²C and SPI variants must be accounted for during substitution. Packaging and pinout compatibility should be confirmed before replacing the component.