Products > Integrated Circuits (ICs) > Audio ICs > IRS20957S

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IC AUDIO DRIVER CLASS D Driver 5.1V 2-OUT Hi/Lo Side Half Brdg Inv/Non-Inv

Manufacturer : International Rectifier Corp (Infineon)
Package/Case : SOP-16
Product Categories : Audio ICs
Datasheet: IRS20957S Datasheet (PDF)
RoHs Status: Lead free/RoHS Compliant
In-stock: 1200


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IRS20957S Product Details

The IRS20957S is a high-voltage, high-speed power MOSFET and IGBT driver IC (Integrated Circuit) designed and manufactured by Infineon Technologies. It provides a range of features and functions that make it well-suited for driving power MOSFETs and IGBTs in various applications.

The IRS20957S is commonly used in switch-mode power supply (SMPS) applications, as well as in motor control and high-power lighting applications. Its high input voltage range and fast switching times suit high-power applications well. At the same time, its comprehensive fault protection features help to ensure reliable and safe operation.

IRS20957S Replacement

These are some of the parts that can be used as a replacement for IRS20957S: UCC27714, STGAP2S, IR2110.

The IRS20957S is a highly integrated Class D audio amplifier IC designed for efficient audio signal amplification in various audio systems. This advanced IC offers a compact solution for high-quality audio amplification with minimal power loss.


IRS20957S Pin Configuration:

Detailed Pin Description:

  • VBAT: Power supply for the high-side gate driver.

  • HO: High-side gate driver output.

  • HIN: High-side gate driver input.

  • LIN: Low-side gate driver input.

  • LO: Low-side gate driver output.

  • SD: Shutdown input.

  • VS: Power supply for the low-side gate driver.

  • COM: Common ground.

Note: The pin configuration above is a general representation. Refer to the specific datasheet for precise details.

Circuit Diagram

Include a simple circuit diagram illustrating the IRS20957S in a typical Class D audio amplifier application.



  • High input voltage range (up to 600V)

  • Dual independent high and low side gate driver channels

  • Short propagation delays for fast switching times

  • Adaptive dead-time control for improved efficiency

  • Integrated bootstrap diode and Undervoltage lockout protection

  • Comprehensive fault protection features

IRS20957S Products


  • Switch-mode power supply (SMPS) applications

  • Motor control

  • High-power lighting applications

  • Audio Amplifiers: Ideal for high-efficiency audio amplification systems.

  • Home Theater Systems: Integrated into home audio setups for quality sound reproduction.

  • Professional Audio Equipment: Used in amplifiers for live sound applications.


The IRS20957S Class D Audio Amplifier IC efficiently converts audio signals into amplified output with minimal power loss, making it suitable for various audio applications.

Usage Guide

To optimize the use of the IRS20957S:

  • Refer to the official datasheet for comprehensive technical details.

  • Implement appropriate filtering and decoupling in the application circuit.

  • Ensure proper heat dissipation in high-power applications.

Frequently Asked Questions

Q: What is the recommended output filter configuration for the IRS20957S?

A: Refer to the datasheet for information on recommended output filter configurations.

Q: Can the IRS20957S operate with a single power supply?

A: Check the datasheet for details on the recommended power supply configuration.

Technical Parameters

  • Manufacturer
  • Infineon Technologies
  • Model
  • IRS20957S
  • Package
  • 28-lead SOIC
  • Input Voltage Range
  • Up to 600V
  • Number of Channels
  • 2
  • Features
  • System.Collections.Generic.Dictionary`2[System.String,System.Object]
  • Applications
  • System.Collections.ArrayList

IRS20957S Equivalent Parts

For the IRS20957S component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
IRS20958S A variant with additional features

IRS20957S Related Products

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Estimated Delivery Time: Mar 02 - Mar 07 days (choose Expedited at checkout).

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We provide high quality products, thoughtful service and after sale guarantee

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  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

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  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that IRS20957S is the original manufacturer or agent of IR?
We have a professional business development department to strictly test and verify the qualifications of IR original manufacturers and agents. All IR suppliers must pass the qualification review before they can publish their IRS20957S devices; we pay more attention to the channels and quality of IRS20957S products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of IRS20957S chips? Including IR original factory information, application, IRS20957S pictures?
You can use Jotrin's intelligent search engine, or filter by Audio ICs category, or find it through International Rectifier Corp (Infineon) Information page.
Q: Are the IR's IRS20957S price and stock displayed on the platform accurate?
The IR's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for IRS20957S, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of IRS20957S?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the IRS20957S we delivered, we will accept the replacement or return of the IRS20957S only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of IRS20957S.
(3)The IRS20957S is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as IRS20957S datasheet pdf, IRS20957S pin diagram?
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International Rectifier Corp (Infineon)

International Rectifier (IR) is a pioneer and world leader in advanced power management technology, from digital, analog and mixed-signal ICs to advanced circuit devices, power systems and components. The world's leading manufacturers of computers, appliances, automobiles, consumer electronics and d...

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