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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 SMA7077MPRT is a monolithic motor driver integrated circuit manufactured by Sanken Electric USA Inc., designed for driving two-phase unipolar stepper motors. It integrates control logic and power MOSFET output stages into a single package, supporting parallel interface operation. The device operates with a supply voltage range of 3V to 5.5V and supports load voltages from 10V to 44V. It provides an output current capacity of 1.5A per channel and features low-side switching configuration across four outputs. The component is housed in a 23-ZIP (SLA) form factor with ESIP molded leads, suitable for through-hole mounting, and functions within a junction temperature range of -20°C to 150°C.
Feature Summary
- Integrates full control logic and power MOSFET output stages for simplified system design
- Supports multiple stepping resolutions including full, half, quarter, eighth, and sixteenth steps
- Features built-in protection mechanisms inherent to the SLA series architecture
Applications
- Two-phase unipolar stepper motor control systems
- Office automation equipment such as printers and scanners
- Industrial positioning devices requiring precise angular control
Procurement Notes
Verify the exact part number suffix against official Sanken Electric documentation to confirm pinout compatibility and thermal characteristics. Ensure that the 23-ZIP package dimensions match the target PCB footprint. Confirm RoHS compliance status and moisture sensitivity level requirements for the specific assembly process. Cross-reference electrical specifications with the latest datasheet revision to avoid discrepancies in voltage or current ratings.
Selection Notes
Select this component when a fully integrated solution for unipolar stepper motors is required without external driver transistors. The parallel interface suits applications where microcontroller GPIO availability is sufficient for step and direction signals. Consider the 1.5A output capability and 44V load voltage limit against motor coil requirements. The wide operating temperature range makes it suitable for industrial environments where ambient temperatures may fluctuate significantly.
Part Context
The SMA7077MPRT belongs to the SLA707xM family of motor drivers from Sanken Electric. This series is specifically engineered for cost-effective and compact stepper motor control solutions. The 'SMA' designation typically indicates specific packaging or variant differences within the broader SLA707x line, which shares common functional architectures across models like SLA7076 and SLA7078.
Replacement Considerations
Publicly confirmed parameter-equivalent substitutes include SLA7076MPR and SLA7076MR from Sanken Electric. Verify pin-to-pin compatibility and electrical specification alignment before substitution.
