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BU9797FUV-ME2 is listed in the Display Drivers range at ChipApex. The manufacturer field lists Rohm Semiconductor. Its product description is IC DRVR 144 SEGMENT 48TSSOP. Review the specifications below when checking this part for your BOM.
The BU9797FUV-ME2 is an LCD driver manufactured by ROHM Semiconductor, designed for segment displays with a capacity of 144 segments. It operates on a 2-wire I2C interface and supports a supply voltage range of 2.5 V to 5.5 V. The device features a maximum clock frequency of 300 kHz and a maximum power supply current of 20 uA. It is housed in a TSSOP-C48V package and dissipates up to 640 mW. The component is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +85°C.
Verify the specific suffix ME2 against the official datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the TSSOP-C48V package dimensions align with the PCB footprint. Confirm AEC-Q100 qualification status if automotive reliability is required. Check moisture sensitivity levels for proper storage and handling procedures during assembly.
Select this component when a low-duty cycle LCD driver with integrated RAM is needed to minimize external logic. The I2C interface simplifies connection to microcontrollers compared to parallel interfaces. Consider the 2.5 V to 5.5 V operating range for compatibility with various system voltages. The AEC-Q100 qualification makes it suitable for automotive environments requiring robust performance.
This part belongs to ROHM's series of low-duty LCD segment drivers intended for automotive applications. It is designed to support functional safety analysis and operates at temperatures up to 105°C in related family members, though this specific unit is rated to 85°C. The integration of display RAM allows for reduced system complexity and lower power consumption by offloading display updates from the main processor.
BU9797FUV-M is listed as an alias for this part number.
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