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Product Detailed Parameters
- Description：IC MOTOR DRIVER 4.5V-5.5V 25HSOP
- Series：*
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BA6859AFP-YE2 is a single-phase spindle motor driver manufactured by ROHM Semiconductor, housed in a 25-pin HSOP package. It operates within an input voltage range of 4.5V to 5.5V and supports an output current of 840mA. The device is designed for brushless DC (BLDC) motors, handling voltage loads from 3V to 14V. Key integrated features include a three-phase pseudo-linear drive system, built-in power save functionality, thermal shutdown protection, and current limiting capabilities.
Feature Summary
- Integrates a three-phase pseudo-linear drive system for precise motor control
- Includes built-in power save and thermal shutdown functions for enhanced reliability
- Features internal current limiter to protect against overcurrent conditions
Applications
- Brushless DC (BLDC) motor control
- Spindle motor driving in precision equipment
- Small to medium-sized motor management systems
Procurement Notes
Verify the specific suffix 'YE2' against the official ROHM datasheet to confirm pinout compatibility and functional specifications. Ensure the operating environment remains within the specified 4.5V to 5.5V input range to prevent damage. Confirm that the 25-pin HSOP package aligns with the target PCB footprint and thermal requirements before finalizing procurement.
Selection Notes
Select this component when a dedicated single-phase spindle driver with integrated protection is required. It is suitable for applications needing pseudo-linear drive characteristics and low-voltage operation. Consider the 840mA output limit and 25-pin package size relative to board space constraints and thermal dissipation needs compared to alternative multi-phase drivers.
Part Context
This part belongs to ROHM's Motor / Motion / Ignition Controllers & Drivers category. It is specifically engineered for spindle motor applications, distinguishing it from general-purpose H-bridge drivers. The device integrates control logic and power stages into a single IC, simplifying design complexity for BLDC motor implementations requiring compact solutions.
Replacement Considerations
Cross-reference the BA6859AFP series variants for potential substitutes. Verify pin-to-pin compatibility and electrical parameter alignment with the original specification before considering any alternative components.
