Introduction
The FAN7392N from ON Semiconductor is a high-voltage, high-speed half-bridge gate driver designed to drive both N-channel MOSFETs and IGBTs. It is widely used in power electronics applications such as motor drives, inverters, and switch-mode power supplies (SMPS). With its robust design and high noise immunity, the FAN7392N ensures reliable switching performance in demanding environments.
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Key Features
- High Voltage Rating:
Floating channel up to +600V for driving high-side MOSFETs/IGBTs.
- Wide Supply Voltage Range:
10V to 20V (VCC) for low-side and bootstrap high-side drive.
- Fast Switching Speeds:
35ns (typical) propagation delay for high-frequency operation.
- High Peak Output Current:
±2.5A sink/source current for fast turn-on/off of power switches.
- Undervoltage Lockout (UVLO):
Protects MOSFETs/IGBTs from insufficient gate drive voltage.
- Cross-Conduction Prevention:
Built-in dead-time control to avoid shoot-through.
- Temperature Range:
Operates from -40°C to +125°C, suitable for industrial applications.
Applications
Motor Drives (BLDC, PMSM, Stepper Motors)
Solar Inverters & UPS Systems
Switched-Mode Power Supplies (SMPS)
Industrial & Automotive Power Systems
Advantages of FAN7392N
✔ High Noise Immunity – Minimizes false triggering in noisy environments.
✔ Low Power Consumption – Efficient operation with minimal standby current.
✔ Compact & Reliable – SOIC package saves PCB space while ensuring durability.
Conclusion
The ON Semiconductor FAN7392N is a versatile and robust gate driver IC, offering high efficiency, fast switching, and protection features for power electronics designs. Whether used in motor control, inverters, or power supplies, it provides excellent performance and reliability.