onsemi

STK544UC62K-E

STK544UC62K-E Description

The STK544UC62K-E from onsemi is a high-performance half-bridge driver IC designed for inductive load applications, particularly in AC motor control systems. This IGBT-based driver delivers a peak output current of 20A and a continuous output current of 10A per channel, making it suitable for demanding industrial and automotive applications. With a load voltage rating of up to 450V and a supply voltage range of 12.5V to 17.5V, it ensures robust performance in high-voltage environments. The device features a bootstrap circuit for efficient high-side driving, simplifying power supply requirements.

STK544UC62K-E Features

• Half-Bridge Configuration (3-phase): Optimized for driving three-phase inductive loads, such as motors.
• High Current Handling: Supports 10A continuous / 20A peak output per channel for high-power applications.
• Integrated Bootstrap Circuit: Eliminates the need for an external charge pump, reducing component count.
• Wide Supply Voltage Range (12.5V–17.5V): Ensures compatibility with various control systems.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.
• Through-Hole Mounting (23SIP Package): Facilitates robust mechanical and thermal performance.
• Logic-Level Interface: Simplifies integration with microcontrollers and digital control systems.

STK544UC62K-E Applications

This driver IC is ideal for:

• AC Motor Drives: Efficiently controls three-phase motors in industrial automation, HVAC systems, and robotics.
• Power Inverters: Suitable for high-voltage DC-AC conversion in renewable energy systems.
• Industrial Automation: Provides reliable switching for actuators, solenoids, and other inductive loads.
• Automotive Systems: Used in electric vehicle (EV) motor controllers and auxiliary power modules.

Conclusion of STK544UC62K-E

The STK544UC62K-E stands out for its high current capability, integrated bootstrap circuit, and robust voltage handling, making it a preferred choice for three-phase motor control and high-power switching applications. While designated as "Not For New Designs", its proven reliability in existing systems ensures continued relevance in industrial and automotive environments. Engineers seeking a high-performance, compact half-bridge driver with simplified design integration will find this IC exceptionally well-suited for demanding applications.