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Product Detailed Parameters
- Description：IC MTR DRV BIPOLR 8-28V 28HTSSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Parallel
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4, 1/16
- Applications：General Purpose
- Current - Output：2A
- Voltage - Supply：8V ~ 28V
- Voltage - Load：8V ~ 28V
- Operating Temperature：-25°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-VSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-HTSSOP-B
- Grade：-
- Qualification：-
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Overview
The BD63520EFV-E2 is a bipolar stepper motor driver IC from ROHM Semiconductor, designed for general-purpose motion control. It operates within a supply voltage range of 8 V to 28 V and delivers an output current of 2 A per phase. The device supports microstepping modes and features an SPI bus interface with integrated EEPROM for configuration storage. It is housed in a 28-pin HTSSOP-B package suitable for surface mount installation. The component is rated for operation between -25°C and +105°C, with a power dissipation capacity of 4.7 W.
Feature Summary
- Integrated SPI bus interface with non-volatile EEPROM for persistent parameter storage
- Supports microstepping drive modes for enhanced motion smoothness
- Built-in protection mechanisms including overcurrent and thermal shutdown
Applications
- Industrial automation equipment requiring precise positioning
- Robotics systems utilizing bipolar stepper motors
- Consumer appliances with integrated motion control needs
Procurement Notes
Verify the specific suffix 'E2' against the official ROHM datasheet to confirm pinout and electrical characteristics. Ensure the target application temperature does not exceed the +105°C maximum rating. Confirm that the 28-pin HTSSOP-B footprint matches the PCB design. Check for RoHS compliance status in the latest product documentation before finalizing procurement.
Selection Notes
Select this component when a fully integrated bipolar stepper driver with digital control via SPI is required. It is suitable for applications needing microstepping capabilities and onboard memory for configuration. Consider the 2 A output current limit and 28 V maximum supply voltage when matching motor specifications. Evaluate the thermal performance requirements given the 4.7 W power dissipation capability in the specified package.
Part Context
This part belongs to ROHM's series of stepper motor drivers designed for compact and efficient motion control solutions. It integrates both logic and power stages into a single DMOS-based chip. The family typically offers various interface options and current ratings to suit different industrial and consumer applications. The BD63520 variant specifically emphasizes digital configurability through its SPI interface.
Replacement Considerations
The BD63520AEFV-E2 is listed as an alternative within the same product line. Verify compatibility regarding package dimensions and pin assignments before substitution. Note that the BD63520EFV-E2 is marked as obsolete in some distributor catalogs; check current production status.
