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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, 1/8, 1/16
- Applications：General Purpose
- Current - Output：1.7A
- 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 BD63847EFV-E2 is a bipolar stepper motor driver from ROHM Semiconductor, designed for single power supply operation with a voltage range of 19V to 28V and a maximum Vcc of 36V. It features an output current capability of 2.0A continuous and 2.5A peak, with a typical on-resistance of 0.85Ω. The device supports 1/16 micro-step resolution and utilizes a CLK-IN interface. Packaged in a compact HTSSOP-B28 format measuring 9.7x6.4mm, it operates within a temperature range of -25°C to 85°C.
Feature Summary
- Supports 1/16 micro-step resolution with mixed decay function for precise motor control
- Integrates comprehensive protection circuits including thermal shutdown, overcurrent, undervoltage, and overvoltage lockout
- Features low on-resistance DMOS outputs for efficient power handling
- Utilizes CLK-IN drive method for simplified parallel interface connectivity
Applications
- Precision positioning systems requiring micro-stepping capabilities
- Industrial automation equipment with single power supply constraints
- Compact electromechanical actuators needing high thermal dissipation
- Automotive non-critical motion control subsystems
Procurement Notes
Verify the specific suffix E2 against the official datasheet to confirm package variant and tape/reel specifications. Ensure the application environment stays within the -25°C to 85°C operating range. Confirm that the load voltage does not exceed the 36V Vcc limit. Check RoHS compliance status if required by regulatory standards. Validate pin compatibility with existing PCB layouts due to the HTSSOP-B28 form factor.
Selection Notes
Select this component when 1/16 micro-step resolution is required alongside a single power supply architecture. It is suitable for designs needing robust protection features such as TSD and OCP without external components. Consider the 0.85Ω on-resistance for thermal management calculations. Compare against the BD63843EFV for pin-compatible alternatives if different current ratings are needed. Ensure the CLK-IN interface matches the controller's output type.
Part Context
This part belongs to ROHM's series of bipolar stepper motor drivers utilizing DMOS technology. It is positioned as a new design option, though marked as non-recommended for new designs in some contexts. It shares architectural similarities with other models in the family but offers specific current and step resolution characteristics tailored for mid-range precision applications.
Replacement Considerations
The BD63843EFV is documented as having pin interchangeability with this model. Verify electrical parameter differences before substitution. No other direct public substitutes are confirmed in the provided documentation.
