AUIRS2181STR

Images are for reference only

AUIRS2181STR

+BOM

IC GATE DRVR HALF-BRIDGE 8SOIC

365 Days Quality Guarantee

7*24 hours service quarantee

90-day after-sales guarantee

Genuine Product Guarantee

Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
DrivenConfiguration Half-Bridge
ChannelType Independent
NumberofDrivers 2
GateType IGBT, N-Channel MOSFET
Voltage-Supply 10V ~ 20V
LogicVoltage-VILVIH 0.8V, 2.5V
Current-PeakOutput(SourceSink) 1.9A, 2.3A
InputType Inverting
HighSideVoltage-Max(Bootstrap) 600 V
Rise/FallTime(Typ) 15ns, 15ns
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The AUIRS2181STR is a high-performance gate driver integrated circuit (IC) designed for driving power MOSFETs and IGBTs in various applications, including motor drives, inverters, and power supply units. It is produced by Infineon Technologies, a leading semiconductor manufacturer. This gate driver provides a high output current capability, enabling it to drive large power transistors efficiently.
One of the key features of the AUIRS2181STR is its high voltage capability, allowing it to handle up to 600 volts, which makes it suitable for high-power applications. It also includes under-voltage lockout protection to prevent malfunctioning under low voltage conditions.
The AUIRS2181STR is tailored for automotive applications, featuring robustness and reliability under extreme conditions, consistent with the AEC-Q100 standard. Additionally, it comes in a compact surface-mount package, making it easy to integrate into various circuit boards.
The IC's design focuses on enhancing system reliability and efficiency while minimizing power loss, making it a valuable component in designing efficient power electronic systems.

Equivalent

The AUIRS2181STR is a high-voltage, high-speed power MOSFET and IGBT driver. Equivalent products include:
1. IRS2181 - by Infineon Technologies.
2. IRS21814 - another variant by Infineon with similar features.
3. MIC4427 - by Microchip, a dual MOSFET driver with similar functionality.
4. UCC27201 - by Texas Instruments, a high-side/low-side driver with comparable specs.
Always verify electrical characteristics and pin compatibility when considering replacements.

Features

The AUIRS2181STR is a high-voltage, high-speed power MOSFET and IGBT driver designed for automotive applications. Key features include:
1. High-Side and Low-Side Driver: It provides independent high-side and low-side referenced output channels.
2. Floating Channel Design: This allows for bootstrap operation up to 600V, making it suitable for high-voltage applications.
3. Gate Drive Supply Range: The device supports a gate drive supply range from 10V to 20V.
4. Propagation Delay Matching: It ensures precise timing with matched propagation delays between high-side and low-side drivers.
5. Undervoltage Lockout (UVLO): Integrated UVLO protection on both high-side and low-side to prevent malfunction.
6. CMOS Schmitt-triggered Inputs: These inputs are compatible with both standard and logic-level signals.
7. Dead-time Control: Adjustable dead-time helps in minimizing power losses by preventing shoot-through.
8. Lead-free and RoHS Compliant: Environmentally friendly packaging.
Overall, the AUIRS2181STR is designed to offer reliable performance in demanding automotive environments, providing robust protection features and high-speed operation.

Pinout

The AUIRS2181STR is an integrated circuit designed for driving MOSFETs and IGBTs in half-bridge configurations. It is produced by Infineon Technologies and typically used in motor control and power supply applications. This IC comes in an 8-pin package. Below are the pin functions:
1. VCC (Pin 1): Supply voltage for the low-side and logic section.
2. IN (Pin 2): Logic input for controlling the high-side and low-side outputs.
3. COM (Pin 3): Common ground reference for the logic and low-side driver.
4. LO (Pin 4): Low-side gate drive output.
5. VS (Pin 5): High-side floating supply return (connected to switch node).
6. HO (Pin 6): High-side gate drive output.
7. VB (Pin 7): High-side floating supply.
8. VSS (Pin 8): Logic ground (internally connected to COM).
The AUIRS2181STR provides independent control of the high and low-side outputs with built-in dead-time protection to prevent shoot-through. It features under-voltage lockout for both high-side and low-side drivers, ensuring reliable operation.

Manufacturer

The AUIRS2181STR is manufactured by Infineon Technologies. Infineon is a leading semiconductor manufacturer that specializes in a variety of electronic components and systems. The company is known for producing products that are used in automotive, industrial, and security applications, among others. Infineon's product portfolio includes power semiconductors, microcontrollers, sensors, and security ICs, which are critical to modern electronics. Established in Germany, Infineon is recognized for its innovative solutions and its contributions to the advancement of energy efficiency, mobility, and security technologies.

Application

The AUIRS2181STR is an automotive-qualified high-side gate driver IC commonly used in various applications. Its primary areas include automotive systems such as electric and hybrid vehicles where it controls high-side MOSFETs or IGBTs in DC-DC converters, motor drives, and power management systems. It is also useful in battery management systems, controlling the switching in electric power steering, HVAC systems, and other automotive powertrain and body electronics. The device's robustness makes it suitable for environments requiring high reliability and performance.

Package

The AUIRS2181STR is housed in an SOIC-8 package. This is a surface-mount, small outline integrated circuit package with eight pins, commonly used for electronic components requiring minimal space on a circuit board.

Products related to AUIRS2181STR