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Product Detailed Parameters
- Description：IC MOTOR DRIVER 1.8V-5.5V 6SSOF
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：PWM
- Technology：Power MOSFET
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：800mA
- Voltage - Supply：1.8V ~ 5.5V
- Voltage - Load：1.8V ~ 5.5V
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Flat Leads
- Supplier Device Package：6-SSOF
- Grade：-
- Qualification：-
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Overview
The BU6904GF-GTR is a single-phase full-wave fan motor driver manufactured by Rohm Semiconductor. It integrates power MOSFETs for driving brushless DC motors with an operating supply voltage range of 1.8V to 5.5V. The device delivers an output current of 800mA and features a low operating supply current of 2mA. It supports operation across a temperature range of -40°C to +85°C (junction temperature up to 125°C) and is housed in a VSON-8 surface-mount package.
Feature Summary
- Integrates power MOSFETs for single-phase full-wave fan motor control
- Supports wide input voltage range from 1.8V to 5.5V
- Provides high output current capability of 800mA
- Features low standby current consumption of 2mA
Applications
- Fan motor drivers
- Brushless DC (BLDC) motor control
- Small appliance cooling systems
Procurement Notes
Verify the specific suffix against official Rohm documentation, as variations exist between BU6904NUX-GTR and BU6904GF-GTR. Confirm package type and thermal specifications directly from the datasheet. Check component status, as some variants may be discontinued or subject to limited availability. Ensure compatibility with system voltage requirements before procurement.
Selection Notes
Select this component for applications requiring integrated MOSFET drive for single-phase fans. Consider the 800mA output limit and 1.8V-5.5V supply range. Evaluate thermal performance within the specified junction temperature limits. Compare pinout and package dimensions against existing board layouts to ensure mechanical fit.
Part Context
This part belongs to the BU6904 series of motor controllers and drivers from Rohm Semiconductor. It is designed specifically for efficient control of small fan motors in consumer electronics. The series offers integrated solutions to reduce external component count and simplify PCB design for motor drive applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other single-phase fan drivers if substitution is required.
