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BU9797AFUV-E2 is listed in the Display Drivers range at ChipApex. The manufacturer field lists Rohm Semiconductor. Its product description is LOW DUTY LCD SEGMENT DRIVERS. Review the specifications below when checking this part for your BOM.
Display Drivers specifications for BU9797AFUV-E2
- Description：LOW DUTY LCD SEGMENT DRIVERS
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Display Type：LCD
- Configuration：144 Segment
- Interface：Serial
- Digits or Characters：-
- Voltage - Supply：2.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-VFSOP (0.240", 6.10mm Width)
- Supplier Device Package：48-TSSOP-CV
- Current - Supply：7.5 µA
- Grade：-
- Qualification：-
Display Drivers datasheet and documents for BU9797AFUV-E2
Display Drivers Overview
The BU9797AFUV-E2 is a low duty LCD segment driver manufactured by ROHM Semiconductor. It supports up to 144 segments with an I2C interface and operates within a supply voltage range of 2.5 V to 5.5 V. The device features a maximum clock frequency of 300 kHz and a power dissipation rating of 640 mW. It functions in temperatures from -40°C to +85°C and is housed in a TSSOP-C48V package.
Display Drivers Feature Summary
- Supports driving up to 144 LCD segments via a two-wire I2C interface
- Operates on a wide supply voltage range from 2.5 V to 5.5 V
- Designed for low duty cycle applications with high reliability
Display Drivers Applications
- General purpose LCD segment displays
- Low duty LCD segment drivers
- Consumer electronics requiring I2C controlled displays
Display Drivers Procurement Notes
Verify the exact suffix against official ROHM documentation to confirm pinout and electrical characteristics. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Ensure the ordering code matches the specific tape and reel packaging requirements for your production line.
Display Drivers Selection Notes
Select this component when a microcontroller requires direct control of a large segment count LCD without external multiplexing hardware. The I2C interface simplifies PCB routing compared to parallel interfaces. Verify that the required segment count does not exceed the 144-segment limit of this specific driver IC.
Display Drivers Part Context
This part belongs to the BU9797 series of general-purpose LCD segment drivers from ROHM. It is designed to replace older discrete logic solutions, reducing system complexity. The E2 suffix typically indicates environmental compliance or specific manufacturing revisions within the product family.
Display Drivers Replacement Considerations
Check for BU9797AFUV as a potential predecessor variant. Verify if BU9796AMUV-E2 is suitable for lower segment count requirements. Consult ROHM datasheets for direct pin-to-pin compatibility before substitution.
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