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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：Parallel
- 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 ~ 85°C (TA)
- 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 BD63720AEFV-E2 is a high-performance bipolar stepper motor driver from ROHM Semiconductor, designed for applications requiring reliable voltage withstand. It features a rated output current of 2.0 A and supports CLK-IN drive mode with built-in DAC for excitation control. The device operates on a single power supply input ranging from 19 V to 28 V, with a maximum Vcc of 36 V. Key electrical parameters include a typical output on-resistance of 0.4 Ω and an operating temperature range of -25°C to +85°C. It is housed in a 28-pin HTSSOP-B package.
Feature Summary
- Supports full-step, half-step, and quarter-step excitation modes via built-in DAC
- Enables linear variable FAST/SLOW decay ratio switching for precise motor control
- Integrates comprehensive protection circuits including thermal shutdown and over-current protection
Applications
- Industrial automation equipment requiring bipolar stepper motor control
- Office automation devices such as printers and scanners
- General-purpose motion control systems using single power supply inputs
Procurement Notes
Verify the specific suffix E2 against the official ROHM datasheet to confirm package type and RoHS compliance status. Ensure the application environment remains within the specified -25°C to +85°C operating temperature range. Confirm that the system power supply voltage does not exceed the 36 V maximum rating. Check for automotive class restrictions if used in vehicle-related electronics.
Selection Notes
Select this component when a bipolar stepper driver with 2.0 A output current is required. It is suitable for designs utilizing CLK-IN interface signals. Consider the 28-pin HTSSOP-B package size for PCB layout constraints. Evaluate the need for mixed decay functionality and multiple step resolution options before choosing this driver over simpler unipolar alternatives.
Part Context
This part belongs to the BD63720 series of high-reliability stepping motor drivers. It is positioned as a standard-grade product intended for general industrial and office equipment. The series emphasizes low power consumption and robust noise cancellation capabilities without external filters.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's cross-reference guide for potential equivalents.
