AUIRS2113STR Integrated Circuits (ICs)

Current - Peak Output (Source, Sink):	2.5A, 2.5A
Base Part Number:	AUIRS2113S
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	25ns, 15ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Non-Inverting
Series:	Automotive, AEC-Q100
Logic Voltage - VIL, VIH:	6V, 9.5V
Voltage - Supply:	10 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Gate Drivers, a type of Power Management Integrated Circuit (PMIC), are increasingly employed in a variety of applications in the modern technological world. This is due to their remarkable capability to quickly and accurately control the electric current of the power devices, allowing for power management to be maximized and preventing failure of the system, device, or circuit.One of the popular gate drivers among many designers, engineers, and power supply technicians is AUIRS2113STR, a gate driver from Infineon Technologies. It is suitable for automotive and industrial applications, offering flexible design solutions and proven protection features.This article will describe the application field and working principle for the AUIRS2113STR, providing readers with an understanding of the technology behind this gate driver, its capabilities and its limitations.

Application fields

The AUIRS2113STR gate driver was designed to be used in automotive and industrial applications such as motor drives, power supplies, solar power systems and lighting applications. Its main purpose is to control power devices such as IGBTs, MOSFETS, and BJTs.The AUIRS2113STR features a switching frequency of 3.2MHz, which makes it suitable for applications that require a high-performance gate drive such as motor drives and lighting systems. It also features integrated overvoltage, undervoltage, overtemperature, and overcurrent protection, making it suitable for more rugged industrial applications. In addition, it offers the flexibility of being able to be used in single-ended or mixed-phase applications.The input voltage range of the AUIRS2113STR is from 4.5V to 19V and its output voltage range is from 10V to 40V. This makes it suitable for a variety of applications that require various levels of power input and output.

Working Principle

The working principle of the AUIRS2113STR is based on the theory of resonance. When a voltage is applied to the three terminals, the driver produces a high-frequency time-varying current with a variable magnitude and frequency depending on the frequency of the applied voltage.The high-frequency current passes through the two power devices, creating a magnetic field. The strength of the magnetic field is dependent on the amount of current flowing through the power devices. This field then induces a voltage in the power device which is dependent on the input voltage and the strength of the magnetic field.The voltage induced in the power device then creates a current, which is then forced across to the load. The current also creates a magnetic field, and when the two fields become equal, the two fields cancel each other out, preventing overdraw of power from the system.

Conclusion

The AUIRS2113STR gate driver from Infineon Technologies is a reliable, high-performance gate driver suitable for automotive and industrial applications. It features a wide input voltage range of 4.5V to 19V and an output voltage range of 10V to 40V, making it suitable for a variety of applications with varying levels of power requirements. The AUIRS2113STR also features integrated overvoltage, undervoltage, overtemperature, and overcurrent protection, making it suitable for more rugged industrial applications. The working principle of this gate driver is based on the theory of resonance, and it provides the advantages of increased efficiency, reliability, and safety.

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