AUIRS2127STR

Product Overview

Category

AUIRS2127STR belongs to the category of integrated circuits (ICs) used in automotive applications.

Use

This product is specifically designed for use in automotive electronic systems, where it serves as a high-voltage, high-speed power MOSFET and IGBT driver.

Characteristics

• High voltage capability: AUIRS2127STR can handle voltages up to 600V, making it suitable for various automotive applications.
• High-speed switching: With a propagation delay of only 100ns, this IC enables fast switching of power MOSFETs and IGBTs.
• Robust design: The AUIRS2127STR is built to withstand harsh automotive environments, ensuring reliable performance under challenging conditions.

Package

The AUIRS2127STR comes in a small outline package (SOP) with eight pins. This compact package allows for easy integration into automotive electronic systems.

Essence

The essence of AUIRS2127STR lies in its ability to drive power MOSFETs and IGBTs efficiently and reliably in automotive applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specified quantity of AUIRS2127STR ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Maximum Supply Voltage: 20V
• Output Current: 2.5A
• Propagation Delay: 100ns
• Operating Temperature Range: -40°C to +125°C
• Input Logic Compatibility: CMOS/TTL

Detailed Pin Configuration

The AUIRS2127STR features the following pin configuration:

1. VCC: Power supply input
2. IN: Input control signal
3. LO: Low-side output
4. COM: Common ground
5. HO: High-side output
6. SD: Shutdown input
7. VB: Bootstrap supply voltage
8. VS: High-side floating supply return

Functional Features

• High-voltage gate driver: AUIRS2127STR provides a robust and efficient solution for driving power MOSFETs and IGBTs in automotive applications.
• Integrated bootstrap diode: This IC incorporates a bootstrap diode, simplifying the design and reducing external component count.
• Under-voltage lockout (UVLO) protection: The AUIRS2127STR includes UVLO circuitry to prevent improper operation when the supply voltage falls below a specified threshold.

Advantages and Disadvantages

Advantages

• High voltage capability enables use in a wide range of automotive applications.
• Fast switching speed allows for efficient control of power MOSFETs and IGBTs.
• Robust design ensures reliable performance in harsh automotive environments.

Disadvantages

• Limited to automotive applications, restricting its use in other industries.
• Availability may be limited due to specific market demand.

Working Principles

The AUIRS2127STR operates by receiving an input control signal (IN) and generating corresponding high-side (HO) and low-side (LO) output signals. These output signals drive the gates of power MOSFETs or IGBTs, controlling their conduction and switching behavior. The integrated bootstrap diode (VB) provides the necessary voltage for driving the high-side switch.

Detailed Application Field Plans

The AUIRS2127STR finds extensive application in various automotive systems, including:

1. Electric power steering: It can be used to drive power MOSFETs or IGBTs in the motor control circuitry of electric power steering systems.
2. Automotive lighting: This IC is suitable for controlling the switching of power devices in automotive lighting systems, such as LED headlights and taillights.
3. Motor control: AUIRS2127STR can be employed in motor control applications, such as controlling the speed and direction of automotive fans or pumps.

Detailed and Complete Alternative Models

• AUIRS2125STR: Similar to AUIRS2127STR but with a lower output current capability.
• AUIRS2128STR: Similar to AUIRS2127STR but with additional protection features, such as over-current and over-temperature protection.

These alternative models provide similar functionality and can be considered as substitutes for AUIRS2127STR depending on specific application requirements.

In conclusion, the AUIRS2127STR is a high-voltage, high-speed power MOSFET and IGBT driver designed for automotive applications. Its robust design, fast switching speed, and wide voltage capability make it an ideal choice for various automotive systems requiring efficient and reliable power device control.

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