BU97550KV-ME2

Display Drivers Overview

The BU97550KV-ME2 is an automotive-grade LCD driver IC manufactured by ROHM Semiconductor, designed for line/frame driving applications. It supports up to 528 segments and operates within a power supply voltage range of 2.7V to 6V. The device features a 3-wire serial interface with key output capability and includes integrated oscillation circuits. It is qualified under AEC-Q100 standards, ensuring reliability for automotive environments. The component operates between -40°C and +85°C, consumes a maximum current of 330 uA, and utilizes a VQFP-80 surface-mount package.

Display Drivers Feature Summary

• Supports up to 528 segment displays with selectable line or frame inversion driving waveforms
• Integrates a 3-wire serial interface combined with key input detection functionality
• Includes built-in oscillation circuits and power-on reset logic to minimize external components
• Features TTL level input support for direct connection to various microcontroller units

Display Drivers Applications

• Automotive instrument cluster displays
• Vehicle infotainment system interfaces
• Dashboard control panel indicators
• Multi-function display units in passenger vehicles

Display Drivers Procurement Notes

Verify the specific suffix ME2 against the official ROHM datasheet to confirm pinout compatibility and electrical characteristics. Ensure the procurement channel provides valid traceability documentation required for automotive grade components. Confirm that the received parts match the AEC-Q100 qualification status specified in the manufacturer's technical specifications before integration into production designs.

Display Drivers Selection Notes

Select this component when designing systems requiring high segment counts up to 528 with integrated key scanning capabilities. It is suitable for applications needing low power consumption and direct MCU interfacing via TTL levels. Consider this part for automotive projects demanding AEC-Q100 compliance and robust operation across wide temperature ranges without extensive external circuitry.

Display Drivers Part Context

This model belongs to the BU97550 series of low duty LCD segment drivers optimized for automotive use. It shares functional similarities with other members like the BU97540KV-ME2 but offers higher segment capacity. The series is characterized by its ability to drive high-precision VA liquid crystals and support LED backlighting through PWM outputs, positioning it within ROHM's automotive display driver portfolio.

Display Drivers Replacement Considerations

The BU97550KV-M is listed as an alias for this part number. No alternative cross-references are provided in the source data. Verify mechanical footprint and electrical parameters against any potential substitutes to ensure compatibility with existing PCB layouts and system requirements.