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Product Detailed Parameters
- Description：THIS 3-PHASE BRUSHLESS FAN MOTOR
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Multiphase
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (3)
- Interface：Logic
- Technology：NMOS
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：1.5A
- Voltage - Supply：400V
- Voltage - Load：600V
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：54-SOP (0.449", 11.40mm Width), 36 Leads
- Supplier Device Package：SSOP-A54_36
- Grade：-
- Qualification：-
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Overview
The BM6245FS-E2 is a three-phase brushless DC motor driver manufactured by Rohm Semiconductor. It integrates control and power stages for fan motor applications. The device supports a supply voltage of 400V and withstands load voltages up to 600V. It delivers an output current of 1.5A using NMOS technology. The component operates within a junction temperature range up to 150°C. It is housed in a 54-SOP package with 36 leads, specifically identified as SSOP-A54_36.
Feature Summary
- Integrates full control logic and power stage for three-phase BLDC motors
- Compatible with Hall sensor-equipped motors for commutation
- Supports multiple conduction angles including 120°, 150°, and 180° sine wave drive
Applications
- Fan motors in air conditioners
- Fan motors in air purifiers
- Fan motors in residential equipment
Procurement Notes
Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match the design requirements. Confirm RoHS3 compliance status if environmental regulations apply. Ensure the SSOP-A54_36 package dimensions are compatible with the PCB footprint. Validate thermal management solutions given the 150°C junction temperature rating.
Selection Notes
Select this component when driving three-phase brushless fans requiring high voltage tolerance up to 600V. It is suitable for applications needing integrated control and power stages without external discrete components. Consider the 1.5A output current limit and 150°C thermal capability for heat dissipation planning. Verify compatibility with Hall sensor inputs for proper commutation.
Part Context
This part belongs to the BM6245 series of high-voltage three-phase BLDC motor drivers from Rohm. It is designed for household appliance fan motors. The series offers various current ratings and package options. The BM6245FS-E2 specifically targets higher voltage applications compared to lower voltage variants in the family.
Replacement Considerations
BM6245FS is the base model number. BM6249FS-E2 and BM6246FS are related parts in the same product line but may differ in current rating or package type. Verify exact specifications before substitution.
