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Product Detailed Parameters
- Description：IC MTR DRV UNIPOLAR 3-5.5V 23ZIP
- Series：-
- Mfr：Sanken Electric USA Inc.
- Package：Tube
- Motor Type - Stepper：Unipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Low Side (4)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：1, 1/2, 1/4, 1/8, 1/16
- Applications：General Purpose
- Current - Output：2A
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：10V ~ 44V
- Operating Temperature：-20°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：23-ESIP Formed Leads
- Supplier Device Package：23-ZIP (SLA)
- Grade：-
- Qualification：-
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Overview
The SLA7077MPR is a two-phase unipolar stepper motor driver from the SLA707xM series, manufactured by Sanken Electric USA Inc. It integrates low-power CMOS logic with high-current power FET outputs in a single package. The device provides complete control and drive for stepper motors, featuring internal fixed off-time and pulse-width modulation (PWM) current control. It supports full, half, quarter, eighth, and sixteenth-step operation. The NMOS outputs can sink up to 1.5 A and withstand 46 V in the off state. Logic supply voltage ranges from 3 V to 5.5 V, while load supply voltage operates between 10 V and 44 V.
Feature Summary
- Integrates CMOS sequencing logic with high-voltage power MOSFET outputs
- Supports selectable step resolutions including full, half, quarter, eighth, and sixteenth steps
- Features internal fixed off-time and PWM current control
- Includes clamp diodes for inductive transient protection
Applications
- Personal printers
- Office automation equipment
- Peripheral computer devices
Procurement Notes
Verify the specific suffix MPR against official datasheets to confirm tape-and-reel packaging status. Confirm RoHS compliance and moisture sensitivity level requirements for your assembly process. Check for any product change notices or obsolescence alerts directly from Sanken Electric before finalizing procurement plans.
Selection Notes
Select this component when driving two-phase unipolar stepper motors requiring multiple resolution options. Ensure the load voltage does not exceed 44 V and the output current requirement stays within the 1.5 A limit. Verify that the system logic levels are compatible with the 3 V to 5.5 V supply range.
Part Context
This part belongs to the SLA707xM series of motor drivers designed for office automation and printer applications. The series combines logic and power stages to simplify interface design by eliminating the need for external sequencers or complex microprocessor programming.
FAQ
What step resolutions are supported by the SLA7077MPR?
The SLA7077MPR supports externally selectable full, half, quarter, eighth, and sixteenth-step operations.
How is the output current controlled in this driver?
Output current is controlled via internal fixed off-time and pulse-width modulation (PWM), determined by the user's selection of a reference voltage and sensing resistor.
