SI823H2CD-AS3

Skyworks Solutions SI823H2CD-AS3 is a highly integrated, isolated gate driver designed for driving high-speed power MOSFETs and IGBTs in various applications, including industrial, automotive, and renewable energy systems. This device is particularly notable for its robust performance, high efficiency, and compact design, making it suitable for a wide range of power management applications.

### Key Features

1. Isolation Voltage: The SI823H2CD-AS3 provides a high level of isolation, with a maximum isolation voltage of 5 kV, ensuring safe operation in high-voltage environments.

2. Output Drive Capability: It features a peak output current capability of up to 4 A, allowing it to drive large power MOSFETs and IGBTs effectively. The output stage is designed to provide fast switching times, which helps in reducing switching losses.

3. Propagation Delay: The device has a low propagation delay of typically 35 ns, which is crucial for high-frequency applications. This ensures that the gate driver can respond quickly to input signals, improving overall system performance.

4. Supply Voltage Range: The SI823H2CD-AS3 operates over a wide supply voltage range, from 15 V to 30 V, making it versatile for different power supply configurations.

5. Integrated Features: The driver includes integrated features such as under-voltage lockout (UVLO) protection, which prevents the driver from operating under insufficient supply voltage conditions, thereby protecting the connected power devices.

6. Thermal Performance: The device is designed to operate in a wide temperature range, from -40°C to +125°C, ensuring reliability in harsh environments.

7. Package Type: The SI823H2CD-AS3 is available in a compact SOIC-8 package, which is suitable for space-constrained applications.

### Specifications

- Part Number: SI823H2CD-AS3
- Isolation Voltage: 5 kV
- Output Current: 4 A (peak)
- Propagation Delay: 35 ns (typical)
- Supply Voltage Range: 15 V to 30 V
- Operating Temperature Range: -40°C to +125°C
- Package Type: SOIC-8
- Under-Voltage Lockout: Yes
- Input Logic Compatibility: TTL/CMOS compatible

### Applications

The SI823H2CD-AS3 is suitable for a variety of applications, including:

- Motor Drives: Used in driving the gates of power MOSFETs and IGBTs in motor control applications.
- Power Inverters: Ideal for renewable energy systems such as solar inverters and wind power converters.
- Industrial Automation: Employed in industrial equipment for efficient power management.
- Automotive Applications: Suitable for electric vehicle (EV) powertrains and other automotive power management systems.

### Conclusion

The Skyworks Solutions SI823H2CD-AS3 is a versatile and reliable isolated gate driver that meets the demands of modern power electronics applications. With its high isolation voltage, robust output drive capability, and integrated protection features, it is an excellent choice for engineers looking to enhance the performance and reliability of their power management systems.