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Product Detailed Parameters
- Description：IC MTR DRV BIPLR 19-28V 28HTSSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed 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：Camera, Printer
- Current - Output：1.2A
- Voltage - Supply：19V ~ 28V
- Voltage - Load：-
- Operating Temperature：-25°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 BD63874EFV-E2 is a bipolar stepper motor driver from ROHM Semiconductor, designed for single power supply operation within a voltage range of 19 V to 28 V. It features a maximum output current of 1.5 A and operates with a working supply current of 2 mA. The device supports step-to-1/16 micro-stepping and includes mixed decay function capabilities. It is housed in a 28-pin HTSSOP-B package with surface mount installation. The component functions reliably across an operating temperature range of -25°C to +85°C.
Feature Summary
- Supports CLK-IN interface driving mode for precise control
- Integrates protection circuits including thermal shutdown, overcurrent, undervoltage, and overvoltage lockout
- Enables forward and reverse rotation switching functionality
- Features low on-resistance DMOS technology for efficient power management
Applications
- Bipolar stepper motor control systems
- Motion control applications requiring micro-stepping
- Industrial automation equipment drivers
- Single power supply driven motor interfaces
Procurement Notes
Verify the NRND status indicating the component is not recommended for new designs before procurement. Confirm the specific suffix E2 matches the required packaging and RoHS compliance requirements. Ensure the HTSSOP-B-28 package dimensions align with the target PCB layout. Check moisture sensitivity levels for proper storage and handling procedures during assembly.
Selection Notes
Select this driver when a 1.5 A output current and 28 V maximum supply voltage are sufficient for the application. Consider the 1/16 micro-stepping capability if smooth motion resolution is required. Evaluate the HTSSOP-B-28 package for thermal dissipation needs given the back-side heat sink design. Compare against higher current alternatives if peak loads exceed 1.5 A or if different voltage ranges are necessary.
Part Context
This part belongs to the BD63874EFV series of bipolar stepper motor controllers and drivers. It utilizes DMOS technology for robust performance in motor drive applications. The series is categorized under Motor / Motion / Ignition Controllers & Drivers within the PMIC segment. The component is manufactured by ROHM Semiconductor and follows standard industry interface protocols for stepper motor control.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The BD63874EFV-E2 is marked as Not Recommended for New Designs (NRND). Verify compatibility with existing circuit designs before considering alternative sourcing options.
