SI-6632M

Overview

The SI-6632M is a fully integrated three-phase brushless DC motor driver IC manufactured by Sanken Electric USA Inc. It features a rated continuous current of 3A and a peak current capability of 4.5A. The device integrates output power elements, pre-drivers, excitation distribution circuits, and control logic within a single chip. It is housed in a 36-WFQFN (6x6mm) exposed pad package designed for surface mount technology.

Feature Summary

• Fully integrated design combining control and power stages
• Built-in protection mechanisms including over-current, under-voltage lockout, and thermal shutdown
• Optimized excitation distribution circuitry for efficient BLDC motor operation

Applications

• Three-phase brushless DC motor control systems
• Fan and pump drive applications requiring integrated power management
• Industrial automation equipment utilizing BLDC motors

Procurement Notes

Verify the specific manufacturer source when sourcing this component, as multiple entities may list it. Confirm the exact package type and pinout compatibility with your PCB layout before procurement. Ensure that the supply chain provides genuine parts to avoid performance discrepancies in motor control applications.

Selection Notes

Select the SI-6632M for applications requiring a compact solution for three-phase BLDC motors with moderate current demands. Its integrated nature reduces external component count compared to discrete solutions. Consider the 3A continuous rating when sizing for thermal management and load requirements.

Part Context

This component belongs to Sanken Electric's portfolio of motor driver integrated circuits. It is specifically engineered for brushless DC motor applications, offering a balance of performance and integration. The device replaces complex discrete driver designs by consolidating necessary control and power functions into a single semiconductor package.

Replacement Considerations

Direct substitutes are not explicitly confirmed in public documentation. Evaluate alternative three-phase BLDC drivers from Sanken or other manufacturers based on current ratings, package dimensions, and protection feature compatibility.