Infineon Technologies IRS20955SPBF: Product Overview

The Infineon Technologies IRS20955SPBF is a high-voltage, high-speed audio MOSFET driver IC, specifically designed for use in Class D audio amplifiers. With integrated protection features and robust performance, this IC provides efficient and reliable operation for audio systems, making it a preferred choice for engineers developing high-fidelity sound systems.

Key Features

• Class D Audio Amplifier MOSFET Driver

Optimized for driving both high-side and low-side MOSFETs in Class D amplifier designs.

• High-Speed Gate Drive

Delivers fast switching for improved efficiency and audio performance.

• Integrated Protection Features

Includes under-voltage lockout (UVLO), over-current protection (OCP), and over-temperature protection (OTP).

• Wide Operating Voltage Range

Supports a supply voltage range of 10V to 20V, accommodating diverse design needs.

• Robust Build Quality

Engineered to handle high-power audio applications with superior reliability.

• Compact SOIC-8 Package

Facilitates integration into compact designs with limited PCB space.

Application Scenarios

The IRS20955SPBF is widely used in:

• Home Audio Systems

Drives Class D amplifiers for high-quality sound in home theaters and stereo systems.

• Professional Audio Equipment

Ensures high efficiency and robust operation in stage and studio amplifiers.

• Car Audio Systems

Powers high-performance audio setups in vehicles.

• Portable Audio Devices

Suitable for battery-powered systems requiring compact, efficient audio amplification.

Product Alternatives

If the IRS20955SPBF does not fully meet your requirements, consider these alternatives:

• Texas Instruments TAS5614LA

A high-performance digital amplifier IC for audio applications.

• NXP TDA8954

Provides high efficiency and low distortion in Class D audio systems.

• STMicroelectronics TDA7498E

A versatile Class D amplifier IC with integrated MOSFETs.

Frequently Asked Questions (FAQs)

Q1: What is the primary application of the IRS20955SPBF?
A1: It is designed for Class D audio amplifiers, driving high-side and low-side MOSFETs efficiently.

Q2: Does it support single-ended or bridge-tied load configurations?
A2: The IRS20955SPBF is compatible with both single-ended and bridge-tied load configurations, depending on the amplifier design.

Q3: What kind of protection features are integrated?
A3: The IC includes under-voltage lockout, over-current protection, and over-temperature protection to safeguard the system.

Q4: Can it handle high-power audio applications?
A4: Yes, it is engineered for robust operation in high-power environments, making it ideal for professional and home audio systems.

Q5: Is the IRS20955SPBF suitable for battery-powered devices?
A5: While optimized for high-performance audio systems, it can be used in battery-powered devices, provided the supply voltage requirements are met.