BU4911FVE-TR

Supervisors Overview

The BU4911FVE-TR is a monolithic integrated circuit designed for driving liquid crystal displays. It integrates a gamma correction voltage generator, source driver, and gate driver within a single package. The device supports direct connection to microprocessors via an SPI-compatible interface. Key electrical characteristics include a supply voltage range of 2.7V to 5.5V for the logic section and up to 18V for the analog section. It features low power consumption modes and built-in protection circuits against over-current and thermal overload.

Supervisors Feature Summary

• Integrated gamma correction voltage generation for accurate color reproduction
• SPI-compatible serial interface for simplified control connections
• Built-in protection mechanisms including over-current and thermal shutdown

Supervisors Applications

• Mobile phone LCD modules
• Personal digital assistant display drivers
• Portable electronic device screen interfaces

Supervisors Procurement Notes

Verify the specific suffix 'FVE' and 'TR' to confirm the tape-and-reel packaging format and pin configuration. Ensure compatibility with the target display panel's voltage requirements and interface timing specifications before procurement. Cross-reference the manufacturer's latest datasheet for any revisions or obsolescence notices.

Supervisors Selection Notes

Select this component when a compact solution for small-to-medium size LCDs is required. Consider its low operating voltage capability for battery-powered applications. Evaluate the integration level against discrete driver solutions to assess space and BOM cost benefits. Verify that the SPI interface speed meets the system's refresh rate requirements.

Supervisors Part Context

This part belongs to Rohm's series of LCD driver ICs tailored for portable electronics. It represents a consolidation of multiple discrete components into a single chip to reduce board space. The family typically includes variants with different channel counts or interface options. This specific model targets applications requiring moderate resolution and low power operation.

Supervisors Replacement Considerations

Check for direct pin-to-pin replacements within the same product line. Verify functional equivalence regarding gamma voltage levels and drive waveforms. Confirm that alternative parts support the same SPI protocol and voltage ranges. Consult official substitution lists for validated alternatives.