STK611-721-E

Full Half-Bridge (H Bridge) Drivers Overview

The STK611-721-E is a 3-phase motor drive inverter hybrid IC manufactured by onsemi. It integrates half-bridge driver capabilities with a current output of 2A per channel and supports a maximum voltage load of 400V. The component utilizes a 19-SIP (Single In-line Package) configuration designed for through-hole mounting. This integrated circuit serves as a core power management solution for motor control applications, combining driver logic with power switching elements.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates 3-phase motor drive inverter functionality within a single hybrid IC package
• Provides high-current half-bridge driver outputs rated at 2A per channel
• Supports high-voltage operation with a maximum load capacity of 400V
• Designed for robust through-hole mounting using a 19-pin SIP form factor

Full Half-Bridge (H Bridge) Drivers Applications

• Three-phase AC motor drive systems
• Industrial motion control applications
• Ignition controller circuits
• Power management modules for electric drives

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm that the 19-SIP package dimensions match the target PCB footprint. Ensure thermal management strategies accommodate the power dissipation characteristics of the hybrid IC. Check for specific handling requirements related to the through-hole assembly process. Validate that the 400V rating meets the system's electrical stress requirements.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a compact, integrated solution for three-phase inversion is required. The 2A output current suits moderate-power motor loads. The 400V rating provides headroom for standard industrial supply voltages. Consider the 19-SIP package for applications requiring high mechanical stability and ease of manual or wave soldering. Evaluate thermal performance constraints inherent to the SIP enclosure design.

Full Half-Bridge (H Bridge) Drivers Part Context

The STK611 series represents onsemi's portfolio of hybrid integrated circuits for motor control. These devices combine gate drivers and power switches to simplify inverter design. The STK611-721-E specifically targets three-phase configurations, reducing component count compared to discrete solutions. It belongs to the broader category of PMIC - Power Management ICs under Motor / Motion / Ignition Controllers & Drivers.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing gate drive signals and voltage levels if considering alternative vendors. Ensure any replacement maintains the 19-SIP pinout or requires PCB redesign.