SILICON LABS SI8273GBD-IS1

The Si827x isolators are ideal for driving power switches used in a wide range of power supply, inverter, and motor control applications. The Si827x isolated gate drivers employ Skyworks' proprietary silicon isolation technology, withstanding voltages up to 2.5 kVRMS per UL1577 and VDE0884 standards. This technology delivers industry-leading CMTI, tight timing specifications, low variation over temperature and time, superior device-to-device matching, and extremely high reliability. It also features unique characteristics such as independent pull-up/pull-down outputs, driver shutdown on UVLO fault, and precise dead-time programmability. Compared to optocoupler gate drivers, the Si827x family offers longer service life and significantly higher reliability. The Si827x drivers employ Skyworks' proprietary silicon isolation technology to provide withstand voltages up to 2.5 kVRMS per UL1577 and fast propagation times of 60 ns. Driver outputs can be referenced to the same or different grounds, or connected to positive or negative voltages. TTL-level compatible inputs with >400 mV hysteresis support either separate control inputs (Si8271/2/3/5) or PWM input (Si8274) configurations. High integration, low propagation delay, small footprint, flexibility, and cost-effectiveness make the Si827x family ideal for a broad range of isolated MOSFET/IGBT and SiC or GaN FET gate drive applications. Automotive-grade products employ automotive-specific processes at every step of manufacturing to ensure the robustness and low defect rates required for automotive applications.

• Single, dual, or high-side/low-side driver
• Single PWM or dual digital input
• High dV/dt immunity: 200 kV/μs CMTI, 400 kV/μs latch-up
• Separate source/sink outputs for slew rate control
• Wide supply range: input supply 2.5–5.5 V, driver supply 4.2–30 V
• Ultra-low jitter, 200 ps peak-to-peak
• 60 ns propagation delay (maximum)
• Dedicated enable pin
• High-performance isolation: high noise immunity, high speed, low propagation delay and skew, high reliability
• Compact packages: 8-pin SOIC, 16-pin SOIC, DFN-14 (pin-compatible with LGA-14)
• Wide temperature range: -40 to 125 °C
• AEC-Q100 compliant
• Automotive-grade ordering part numbers supported
• AIAG-compliant PPAP documentation supported
• IMDS and CAMDS listings supported

• Switched-mode power supplies
• Solar power inverters
• Motor control and drives
• Uninterruptible power supplies
• High-power Class D amplifiers