SI8231BB-D-ISR

The SI8231BB-D-ISR is an advanced isolation gate driver offering two completely isolated drivers in one package. With up to 5 kVRMS input-to-output isolation and high driver-to-driver differential voltage of up to 1500 VDC, it ensures reliable operation in high-voltage and noisy environments. This driver provides flexibility with HS/LS and dual driver versions, supports up to 8 MHz switching frequency, and offers peak output currents of 0.5 A or 4.0 A, making it suitable for a wide range of applications. Its robust electromagnetic immunity, various RoHS-compliant packages, AEC-Q100 qualification, and environmental compliance further enhance its appeal. The SI8231BB-D-ISR is an ideal choice for applications requiring isolation and high-performance gate driving.

• Power delivery systems

• Motor control systems

• Isolated dc-dc power supplies

• Lighting control systems

• Plasma displays

• Solar and industrial inverters

• On-board chargers

• Battery management systems

• Charging stations

• Traction inverters

• Hybrid Electric Vehicles

• Battery Electric Vehicles

The Si823x isolated driver family combines two independent, isolated drivers into a single package. The Si8230/1/3/4 are high-side/low-side drivers, while the Si8232/5/7/8 are dual drivers. Versions with peak output currents of 0.5 A (Si8230/1/2/7) and 4.0 A (Si8233/4/5/8) are available. All drivers operate with a maximum supply voltage of 24 V.

The Si823x drivers utilize Skyworks' proprietary silicon isolation technology, which provides up to 5 kVRMS withstand voltage per UL1577 and fast 45 ns propagation times. Driver outputs can be grounded to the same or separate grounds or connected to a positive or negative voltage. The TTL level compatible inputs with >400 mV hysteresis are available in individual control input (Si8230/2/3/5/7/8) or PWM input (Si8231/4) configurations. High integration, low propagation delay, small installed size, flexibility, and cost-effectiveness make the Si823x family ideal for a wide range of isolated MOSFET/IGBT gate drive applications.

Automotive Grade is available for certain part numbers. These products are built using automotive-specific flows at all steps in the manufacturing process to ensure the robustness and low defectivity required for automotive applications.

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