FAN7385MX

Gate Driver Overview

The FAN7385MX is a dual-channel high-side gate driver IC designed for driving MOSFETs and IGBTs in high-voltage applications. It supports bootstrap operation up to +600 V and features logic compatibility with 3.3 V and 5 V inputs. The device provides peak output currents of 650 mA source and 350 mA sink, with typical rise and fall times of 50 ns and 30 ns respectively. Operating supply voltage ranges from 10 V to 20 V, and it includes built-in UVLO and common-mode noise cancellation circuits.

Gate Driver Feature Summary

• Dual-channel high-side configuration with floating channel supporting bootstrap operation up to +600 V
• Integrated common-mode dv/dt noise cancellation circuit for stable operation in high-noise environments
• Logic input compatible with 3.3 V and 5 V systems without external level shifting
• Built-in under-voltage lockout (UVLO) on both channels to prevent malfunction during low supply conditions

Gate Driver Applications

• High-side switching in half-bridge and full-bridge inverter topologies
• Motor drive control circuits requiring isolated high-side gate driving
• Power conversion systems utilizing MOSFET or IGBT switches at voltages up to 600 V

Gate Driver Procurement Notes

Verify component authenticity through authorized distributors as the part is obsolete. Confirm RoHS compliance status via official documentation before integration. Check for valid replacement options due to end-of-life status. Ensure design accounts for discontinued manufacturing support.

Gate Driver Selection Notes

Select this component for applications requiring dual high-side drivers with integrated noise immunity. Consider the 600 V floating channel capability for bootstrap-driven designs. Evaluate thermal performance within the specified operating temperature range. Verify input logic levels match system requirements for direct interfacing.

Gate Driver Part Context

The FAN7385MX belongs to the FAN7385 series of high-voltage gate drivers from onsemi. It utilizes advanced high-voltage CMOS technology to achieve robust performance in electrically noisy environments. The device integrates level shifters and output drivers into a single monolithic IC, simplifying design complexity for high-side power switching applications.

Gate Driver Replacement Considerations

IRS25752LTRPBF is listed as a public substitute option. Verify pin compatibility and electrical specifications against original requirements when considering alternative components.