Technical summary
The IR21571S is a high-voltage half-bridge driver integrated circuit designed for various power conversion applications, notably switching power supplies, motor speed controllers and inverters. It integrates high-side and low-side drivers with a dedicated oscillator and protection functions, delivering efficient and reliable performance. The IC is able to drive N-channel MOSFETs and IGBTs in half-bridge configurations, thus enabling robust power management in industrial and automotive applications.
Main features:
- High-voltage half-bridge driver integrated circuit
- Integrated high-side and low-side drivers
- Integrated bootstrap diode
- Programmable dead time for optimized switching
- Undervoltage lockout protection (UVLO)
- Fault reporting and protection functions
- Suitable for MOSFETs and IGBTs
Technical specifications:
- Supply voltage range: up to 600V
- Maximum output current (Iout): up to 2A
- Operating frequency: up to 500kHz
- Maximum duty cycle: 50%
- Operating temperature range: -40°C to +125°C
- Package: various options available (for example, SOP, PDIP, PLCC)
Applications:
- Switching power supplies (SMPS)
- Motor drives
- Power inverters
- Industrial and automotive electronics
