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Si828x ISOdriver Gate Drivers
Skyworks Solutions' Si828x isolated gate driver family provides ultimate protection for inverters and motor drives
Skyworks Solutions' Si828x ISOdriver portfolio is a family of 4 amp isolated gate drivers designed to protect insulated-gate bipolar transistor (IGBT) switches in power inverter and motor drive applications with features such as desaturation detection and secondary side power-on indication that are essential for IGBT drive applications.
The Si828x ISOdriver family provides industrial-grade isolation, optional integrated DC-DC converter, fast desaturation detection, superior timing characteristics, and exceptional noise and transient immunity.
The defining Si828x feature is a 4 amp gate driver coupled with desaturation detection to monitor the IGBT for overcurrent, in that event the Si828x driver initiates a controlled shutdown of the switch while updating the controller with the fault status, thus protecting the IGBT and the system. Additional integrated features include split outputs, a Miller clamp to prevent parasitic gate turn-on, and driver power state and fault feedback to the controller.
- Industrial-grade isolation: high transient immunity, high reliability, 5 kVRMS withstand
- Most comprehensive feature integration in the isolated gate driver market
- Optional integrated DC-DC converter simplifying board layout and driver supply design
- Industry's fastest desaturation detection: up to 10x faster than competitive alternatives
- Fastest, most accurate timing specs with low propagation delay (<55 ns): up to 10x better than optocoupler solutions and up to 2x better than competing CMOS solutions
- Long lifetimes under high-voltage conditions (100 years at 1000 V)
Applications
- Motor control
- Power inverters
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