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Product Detailed Parameters
- Description：IC MTR DRV BIPLR 19-28V 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：Serial
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4
- Applications：General Purpose
- Current - Output：1.2A
- Voltage - Supply：19V ~ 28V
- Voltage - Load：19V ~ 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 BD63875EFV-E2 is a bipolar stepper motor driver from ROHM Semiconductor, designed for high-reliability applications. It operates within a load voltage rating of 19 V to 28 V and delivers a maximum output current of 2.0 A. The device features a CLK-IN interface and supports step-to-1/16 mixed decay functions. It is housed in a 28-pin HTSSOP-B package with a thermal pad for efficient heat dissipation. The operating temperature range spans from -25 °C to +85 °C, with a power dissipation capability of 1.45 W.
Feature Summary
- Supports CLK-IN drive method for simplified control interface
- Integrates mixed decay function for flexible current attenuation settings
- Includes comprehensive protection circuits such as thermal shutdown and overcurrent protection
Applications
- Precision positioning systems requiring micro-stepping capabilities
- Industrial automation equipment utilizing bipolar stepper motors
- Motion control modules in consumer appliances
Procurement Notes
Verify the specific suffix E2 against the official ROHM datasheet to confirm packaging and tape-and-reel specifications. Ensure compatibility with the required 19-28 V supply range and 2.0 A current limits. Confirm that the HTSSOP-B-28 package footprint matches the PCB design, particularly regarding the thermal pad connection for adequate heat dissipation during operation.
Selection Notes
Select this component when a bipolar stepper driver with integrated micro-stepping up to 1/16 steps is required. It is suitable for designs needing a single power supply input and robust protection features like UVLO and OVLO. Consider the 2.0 A output limit and 1.45 W power dissipation when sizing heatsinks or evaluating thermal performance in enclosed environments.
Part Context
This part belongs to the BD6387xEFV series, representing high-grade stepping motor drivers within the ROHM portfolio. It shares architectural similarities with other members like the BD63873EFV and BD63877EFV, differing primarily in current ratings and specific feature sets. The series emphasizes high reliability and low power consumption for industrial and commercial motion control applications.
Replacement Considerations
The BD63847EFV is listed as an alternative within the same family, though it is marked as Not Recommended for New Designs (NRND). Verify pin compatibility and electrical parameter alignment before substitution.
