Protected Digital Audio Driver with Floating PWM input in a 16-Lead SOIC Narrow Package The IRS20957STRPBF is a Class D audio amplifier IC manufactured by Infineon Technologies. Below are the key specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Infineon Technologies
- **Type:** Class D Audio Amplifier IC
- **Output Power:** Up to 300W (depending on configuration)
- **Supply Voltage Range:** ±40V to ±100V (split supply)
- **Operating Frequency:** Programmable (up to 800kHz)
- **Protection Features:** Overcurrent, Undervoltage, Overvoltage, Overtemperature
- **Package:** 16-Lead SOIC (Small Outline Integrated Circuit)
- **Output Configuration:** Half-Bridge
- **Control Interface:** Analog/PWM
- **Efficiency:** >90% (typical for Class D amplifiers)
### **Descriptions:**
The IRS20957STRPBF is a high-performance, self-oscillating Class D audio amplifier driver IC designed for high-power audio applications. It integrates a PWM modulator, gate drivers, and protection circuits, making it suitable for compact and efficient audio amplifier designs. The device operates with a split power supply and supports high-frequency switching for reduced distortion and improved audio quality.
### **Features:**
- **Self-Oscillating Topology:** Eliminates the need for an external oscillator.
- **Programmable Dead Time:** Adjustable to optimize efficiency and reduce distortion.
- **Integrated Protections:**
- Overcurrent (OCP)
- Undervoltage Lockout (UVLO)
- Overvoltage (OVP)
- Overtemperature (OTP)
- **High-Voltage Gate Drivers:** Supports MOSFETs up to 200V.
- **Low External Component Count:** Simplifies design and reduces PCB space.
- **Low Distortion (THD):** Suitable for high-fidelity audio applications.
This information is strictly factual and based on the manufacturer's datasheet. For detailed application notes or design considerations, refer to the official Infineon documentation.
