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Product Detailed Parameters
- Description：HIGH PERFORMANCE AND RELIABILITY
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Logic
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4, 1/8, 1/16
- Applications：Camera, Printer
- Current - Output：3A
- Voltage - Supply：8V ~ 28V
- Voltage - Load：-
- Operating Temperature：-20°C ~ 85°C
- 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 BD63731EFV-E2 is a high-performance bipolar stepper motor driver manufactured by ROHM Semiconductor. It features a rated supply voltage of 36V and a maximum output current of 3.0A with a peak capability of 3.5A. The device operates within a power supply range of 8V to 28V and supports an operating temperature range from -25°C to 80°C. It utilizes a 28-pin HTSSOP-B package for surface mount installation.
Feature Summary
- Supports multiple excitation modes including full, half, quarter, eighth, and sixteenth step via built-in DAC
- Enables linear adjustment of current decay ratios between fast and slow decay modes
- Integrates comprehensive protection circuits including thermal shutdown, over-current, and under/over-voltage lockout
Applications
- Industrial automation equipment requiring precise stepper motor control
- Office automation devices such as printers and scanners
- Medical equipment needing reliable motion control systems
Procurement Notes
Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm pin compatibility and electrical specifications. Ensure the ordering quantity aligns with the standard factory reel size of 2500 units if bulk procurement is intended. Confirm RoHS compliance status directly with the supplier documentation prior to finalizing purchase orders.
Selection Notes
Select this component when a single power supply input is required for both logic and motor drive sections. It is suitable for designs demanding flexible microstepping resolution up to 1/16 step without external oscillators. Consider the low on-resistance DMOS output for efficient heat management in compact enclosures compared to older bipolar driver technologies.
Part Context
This part belongs to the BD63731EFV series of high-reliability stepper motor drivers designed for 36V withstand voltage applications. It serves as a specialized solution for driving bipolar stepper motors in space-constrained environments where high precision and integrated protection features are critical for system stability.
Replacement Considerations
The BD63731EFV is listed as an alias for this part number. Verify pin-to-pin compatibility with other ROHM series drivers like the BD63730EFV-E2, noting differences in output count and interface support before substitution.
