STK554U391A

$12.82

Description：IC MOTOR DRIVER
Series：*
Mfr：onsemi
Package：Bulk

SKU:d89b1ffacc81 Category: Motor Drivers, Controllers Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC MOTOR DRIVER
Series：*
Mfr：onsemi
Package：Bulk
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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STK554U391A

Overview

The STK554U391A is a three-phase inverter hybrid integrated circuit manufactured by onsemi. It is designed for motor, motion, and ignition control applications. The device features a SIP-29 package suitable for through-hole mounting. It operates within a temperature range of -40°C to +100°C. The component has a power dissipation rating of 39 W. It utilizes silicon technology for its construction.

Feature Summary

Integrates three-phase inverter functionality within a single hybrid package
Provides dedicated control and drive capabilities for motor and ignition systems

Applications

Motor control systems
Motion control applications
Ignition controllers

Procurement Notes

This component is officially discontinued and no longer in production. Verify end-of-life status with the manufacturer before design implementation. Sourcing new units is not possible; only surplus or secondary market availability may exist. Ensure compatibility with replacement strategies if current inventory is insufficient.

Selection Notes

Select this part only for legacy designs requiring a specific three-phase inverter HIC. Evaluate thermal management requirements due to the 39 W dissipation rating. Confirm that the SIP-29 through-hole package fits the target PCB layout. Consider obsolescence risks when planning long-term production cycles.

Part Context

The STK554U391A belongs to onsemi's portfolio of motor and motion controllers. It is categorized under intelligent power modules and hybrid integrated circuits. This series targets industrial applications requiring robust three-phase switching capabilities. The component represents a specialized solution for high-power inversion tasks.