SLA7083MPR

Overview

The SLA7083MPR is a fully integrated unipolar two-phase stepper motor driver IC manufactured by Sanken Electric. It operates within a voltage range of 3V to 5.5V and utilizes a 23-pin ZIP package with an exposed tab for thermal management. The device incorporates a step-down regulator to provide output current while monitoring input and output voltages. Integrated protection features include over-temperature, over-voltage, and over-current safeguards. The design employs fixed off-time self-excited PWM constant current control, reducing the need for external components through built-in current detection resistors.

Feature Summary

• Fully integrated control and power stage for unipolar stepper motors
• Built-in step-down regulator for efficient power conversion
• Integrated protection against over-temperature, over-voltage, and over-current conditions
• Fixed off-time self-excited PWM constant current control architecture

Applications

• General-purpose stepper motor control systems
• Home appliance motor drives
• Industrial equipment actuation
• Automotive auxiliary systems

Procurement Notes

Verify the specific suffix 'MPR' corresponds to the required tape-and-reel packaging configuration rather than tube packaging when sourcing. Confirm that the operating voltage requirements align with the 3V to 5.5V specification. Ensure thermal design accounts for the 23-ZIP package characteristics. Cross-reference the manufacturer's latest datasheet for any updates on pinout or electrical limits before finalizing the bill of materials.

Selection Notes

Select this component for applications requiring a low-voltage, high-efficiency solution for unipolar stepper motors. The integrated nature of the driver reduces external component count compared to discrete solutions. Consider the thermal performance of the ZIP package in relation to the expected load current. Verify compatibility with the system's logic levels and power supply constraints within the specified 3V to 5.5V range.

Part Context

Sanken Electric produces a range of motor drivers and power management ICs for various sectors including home appliances, automobiles, and industrial equipment. The SLA7083MPR belongs to their portfolio of integrated motor control solutions designed to enhance efficiency and reduce system complexity. The company emphasizes sustainability and safety certifications in its product development processes.

FAQ

What type of control method does the SLA7083MPR use?

It uses fixed off-time self-excited PWM constant current control.

Does the SLA7083MPR require external current sensing resistors?

No, it includes built-in current detection resistors to minimize external components.