SI823H1BD-IS3R

The SI823H1BD-IS3R Isolated Gate Driver offers a state-of-the-art solution with up to 5 kVRMS isolation, 1500 VDC peak driver-to-driver differential voltage, and versatile configurations, including single or two isolated drivers in one package. Notable features include enhanced safety options, high output capability of 4.0 A sink/source peak, and robust electromagnetic immunity. With a swift 30 ns maximum propagation delay, transient immunity exceeding 125 kV/µs, and programmable dead time, this driver ensures precise control and protection against voltage spikes. Operating across a wide temperature range from –40 to +125 °C, it complies with RoHS standards, comes in AEC-Q100 qualified packages, and supports comprehensive documentation, making it an ideal choice for diverse applications, including automotive and industrial environments.

• Power delivery systems

• Motor control systems

• Isolated dc-dc power supplies

• Lighting control systems

• Solar and industrial inverters

• On-board chargers

• Battery management systems

• Charging stations

• Traction inverters

• Hybrid Electric Vehicles

• Battery Electric Vehicles

The Si823Hx combines two isolated gate drivers into a single package for high power applications. The Si823Hx includes devices with single or dual control inputs with independent or high-side/low-side outputs. These drivers can operate with a 3.0 – 5.5 V input VDD and a maximum drive supply voltage of 30 V.

The Si823Hx is ideal for driving power MOSFETs and IGBTs used in a wide variety of switched power and motor control applications. These drivers utilize Skyworks' proprietary silicon isolation technology, supporting up to 5 kVRMS for 1 minute isolation voltage. This technology enables high CMTI (125 kV/µs), lower propagation delays and skew, little variation with temperature and age, and low part-to-part matching.

The unique architecture of the output stage features a booster device that provides a higher pull up capability at the Miller plateau region of the load power switch to support faster turn-on times. This driver family also offers some unique features such as over-temperature protection, output Undervoltage Lockout (UVLO) fault detection, dead time programmability and fail-safe drivers with default low in case of loss of input side power. The Si823Hx family offers longer service life and dramatically higher reliability compared to opto-coupled gate drivers.

Automotive Grade is available. 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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