Infineon Technologies IRS20957STRPBF

The IRS20957STRPBF is a high-voltage, high-speed, and cost-effective integrated circuit designed for driving power MOSFETs in Class D amplifiers and other power applications. It is part of Infineon's IRS2095x family and is tailored for driving high-voltage devices while offering efficiency and sound quality. Functions 1. High-Side and Low-Side Driver: The IRS20957 can drive high-side and low-side MOSFETs, which allows for efficient switching configurations. 2. PWM Input: It accepts Pulse Width Modulation (PWM) signals for modulation of output power levels. 3. Internal Dead-Time Control: The IC features internal dead-time control to avoid cross-conduction in the output stage, enhancing reliability. 4. Integrated Bootstrap Circuit: This facilitates driving high-side MOSFETs without requiring additional external circuitry. 5. Protection Features: It includes over-temperature, under-voltage, and over-voltage protection features. Applications - Class D Audio Amplifiers: Particularly suited for high-efficiency audio amplification. - Switching Power Supplies: Can be used in designs that require high-frequency switching. - Motor Control: It can be utilized in driving motors in various applications. - Industrial and Consumer Electronics: Applicable in a range of products needing efficient power management. Alternative Parts - IRS20953: A similar driver with slightly different specifications. - IRS20946: Offers variations in features and performance for specific applications. - IR2110: A well-known high- and low-side driver but may not have integrated features like the IRS20957. Embedded Modules Infineon provides various modules that might integrate the IRS20957 or similar components: - EVAL-IRS20957: A development board specifically designed for evaluating the performance of the IRS20957. - Class D amplifier evaluation kits: Kits that might include this IC for prototyping Class D audio amplifiers. Related Q&A 1. Q: What is the maximum supply voltage that the IRS20957 can handle? A: The IRS20957 can handle supply voltages up to 200V, making it suitable for high-voltage applications. 2. Q: How does the IRS20957 protect against shooting conditions? A: It integrates internal dead-time control to prevent shoot-through during switching and includes protection features for under-voltage and over-temperature conditions. 3. Q: Can the IRS20957 be used for high-frequency applications? A: Yes, the IRS20957 is designed for high-speed driving, allowing it to be utilized effectively in high-frequency applications like audio amplifiers and switching power supplies. 4. Q: What types of devices can the IRS20957 drive? A: The IRS20957 is designed to drive N-channel MOSFETs, making it suitable for various power applications including audio amplifiers and motor controllers. 5. Q: Are there evaluation modules available for the IRS20957? A: Yes, Infineon offers evaluation modules like the EVAL-IRS20957 to facilitate the testing and development of circuits using this driver IC.