BU9795AKV-BZE2

Display Drivers Overview

The BU9795AKV-BZE2 is an LCD driver IC manufactured by ROHM Semiconductor, designed for driving 140-segment displays. It operates within a supply voltage range of 2.5 V to 5.5 V and features a 3-Wire interface. The component is housed in a 48-VQFP package with dimensions of 7x7 mm. It supports line/frame driving modes and includes internal charge pump circuitry. The device is rated for industrial temperature ranges, typically from -40°C to +85°C, ensuring reliable performance in various electronic applications requiring segment LCD control.

Display Drivers Feature Summary

• Supports 140-segment LCD display driving capabilities
• Utilizes a simplified 3-Wire serial interface for data transmission
• Integrates internal charge pump to generate necessary drive voltages
• Operates on a single low-voltage power supply ranging from 2.5 V to 5.5 V

Display Drivers Applications

• Industrial instrument panel displays
• Smart meter interfaces
• Consumer appliance control panels
• Medical device user interfaces

Display Drivers Procurement Notes

Verify the current lifecycle status before procurement, as this part may be obsolete or recommended for alternative use. Confirm package compatibility with existing PCB footprints. Check for RoHS compliance documentation. Ensure design-in approval if replacing older variants like the BU9795AKV-E2. Validate supply chain availability through authorized distributors only.

Display Drivers Selection Notes

Select this component when a 140-segment LCD driver with a compact 48-pin QFP package is required. It is suitable for designs needing low power consumption and simple serial control. Consider the operating voltage range and thermal characteristics for the specific application environment. Compare pinout compatibility with legacy parts if migrating existing designs.

Display Drivers Part Context

This part belongs to the BU9795 series of LCD drivers from ROHM Semiconductor. It is functionally related to other variants such as the BU9795AKV-E2, though package and suffix differences exist. The series is characterized by low power consumption and integrated charge pumps, targeting portable and industrial display applications.

Display Drivers Replacement Considerations

The BU9795AKV-E2 is listed as a recommended alternative in some distributor catalogs. Verify pin-to-pin compatibility and electrical specifications before substitution. Ensure the replacement part meets all environmental and packaging requirements of the original design.