FAN3223CMX-F085

Gate Driver Overview

The FAN3223CMX-F085 is a dual low-side MOSFET gate driver manufactured by onsemi, designed for high-speed switching applications. It features two independent inverting channels housed in an 8-SOIC surface-mount package. The device supports a supply voltage range of 4.5V to 18V and delivers peak output currents of 5A for both sourcing and sinking. Typical propagation delays are characterized by rise and fall times of 12ns and 9ns, respectively. It operates within an extended temperature range of -40°C to +125°C and holds AEC-Q100 automotive qualification.

Gate Driver Feature Summary

• Dual-channel architecture providing independent low-side drive capabilities for separate MOSFET control
• High-speed switching performance with nanosecond-level rise and fall times for efficient power management
• Automotive-grade reliability certified under AEC-Q100 standards for harsh environment operation
• Inverting logic configuration simplifies interface with standard PWM controllers and microcontrollers

Gate Driver Applications

• Automotive powertrain and chassis systems requiring robust low-side switching
• DC-DC converter topologies utilizing synchronous rectification
• Motor control circuits driving N-channel power MOSFETs
• Industrial inverter stages for AC motor drives

Gate Driver Procurement Notes

Verify component authenticity through authorized distribution channels due to the part's end-of-life status. Confirm that the specific suffix matches the required automotive grade and packaging format. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Validate thermal performance requirements against the SOIC package limitations before finalizing procurement decisions.

Gate Driver Selection Notes

Choose this component when dual independent low-side driving is required with high peak current capability. The inverting output polarity must align with the control signal logic. Ensure the application voltage stays within the 4.5V to 18V operational window. Consider the 8-SOIC footprint constraints for PCB layout and verify that the thermal dissipation characteristics meet the system's power density requirements.

Gate Driver Part Context

This device belongs to the FAN3223 family of high-speed gate drivers from onsemi. It shares functional similarities with other low-side drivers but is distinguished by its specific 5A peak current rating and automotive certification. The F085 suffix indicates the specific tape-and-reel packaging configuration. It serves as a specialized solution for applications demanding precise timing and high reliability in power conversion stages.

Gate Driver Replacement Considerations

Public records indicate the FAN3223TMX-F085 as a related variant within the same product line. Verify pinout compatibility and electrical parameter equivalence before substitution. Check for any differences in packaging or qualification status between the CMX and TMX suffixes. Consult official manufacturer documentation to confirm direct interchangeability in existing designs.