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Product Detailed Parameters
- Description：IC MOTOR DRIVER SMD
- Series：-
- Mfr：Sanken Electric USA Inc.
- Package：Tube
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SMA7077MRBF is a surface-mount motor driver integrated circuit manufactured by Sanken Electric. It is designed to drive two-phase stepper motors, supporting 1-2 phase excitation modes. The device integrates a built-in sequencer to manage step sequences and includes protection features such as overcurrent detection and thermal shutdown. It operates with a supply voltage range suitable for standard industrial applications and utilizes an SMD package for compact board integration.
Feature Summary
- Integrated sequencer for automated step control
- Supports 1-2 phase excitation driving mode
- Built-in overcurrent and thermal protection circuits
Applications
- Two-phase stepper motor control systems
- Industrial automation equipment requiring precise positioning
- Office automation devices such as printers or scanners
Procurement Notes
Verify the exact suffix 'MRBF' against the manufacturer's official datasheet to confirm pinout and electrical specifications. Ensure the component source provides valid traceability documentation. Cross-reference the part number with Sanken Electric's current product listings to avoid obsolete stock. Confirm packaging type matches system assembly requirements before purchase.
Selection Notes
Select this component when a dedicated driver for two-phase stepper motors is required with integrated sequencing capabilities. It is suitable for designs prioritizing reduced external component count due to the built-in sequencer and protection logic. Evaluate thermal management needs based on the specific load conditions and ambient temperature constraints of the target application environment.
Part Context
This part belongs to Sanken Electric's power management and motor driver portfolio. It is specifically engineered for stepper motor applications where space efficiency and simplified control logic are critical. The series typically offers robust protection features to enhance system reliability in industrial and consumer electronic environments.
Replacement Considerations
Consult Sanken Electric's official substitution guide for verified alternatives. Do not assume functional compatibility with generic stepper drivers without verifying pin configurations and electrical parameters.
