Infineon Technologies
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AUIRS2118STR
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AUIRS2118STR

Product Overview

Category

AUIRS2118STR belongs to the category of automotive integrated circuits.

Use

This product is primarily used in automotive applications for controlling and driving high-side power MOSFETs.

Characteristics

  • High voltage capability
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection
  • Fault reporting
  • ESD protection

Package

AUIRS2118STR is available in a surface-mount D2PAK package.

Essence

The essence of AUIRS2118STR lies in its ability to provide reliable and efficient control and drive capabilities for high-side power MOSFETs in automotive systems.

Packaging/Quantity

This product is typically packaged in reels, with 250 units per reel.

Specifications

  • Supply Voltage: 5V to 20V
  • Output Current: Up to 1.5A
  • Operating Temperature Range: -40°C to +150°C
  • Quiescent Current: 10µA (typical)
  • Overcurrent Threshold: Adjustable
  • Fault Reporting: Open Drain Output
  • ESD Protection: ±2kV (Human Body Model)

Detailed Pin Configuration

AUIRS2118STR features a 6-pin configuration:

  1. Vcc: Supply voltage input
  2. IN: Input pin for control signal
  3. OUT: Output pin connected to the gate of the power MOSFET
  4. GND: Ground reference
  5. SD: Shutdown pin for disabling the device
  6. FLT: Fault reporting output pin

Functional Features

  • High-side gate driver for power MOSFETs
  • Provides level shifting and protection functions
  • Enables efficient switching of power MOSFETs
  • Offers fault reporting capability for system diagnostics

Advantages and Disadvantages

Advantages

  • High voltage capability allows for use in a wide range of automotive applications
  • Low quiescent current minimizes power consumption
  • Overcurrent and thermal shutdown protection enhance system safety
  • Fault reporting enables quick identification of issues

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • Temperature range may restrict usage in extreme environments

Working Principles

AUIRS2118STR operates by receiving a control signal at the IN pin, which is then level-shifted and amplified to drive the gate of a high-side power MOSFET. The device ensures efficient switching of the MOSFET while providing protection against overcurrent and thermal events. In case of faults, the FLT pin reports the status for diagnostic purposes.

Detailed Application Field Plans

AUIRS2118STR finds extensive application in various automotive systems, including:

  1. Engine control units (ECUs)
  2. Transmission control units (TCUs)
  3. Electric power steering systems
  4. Electronic braking systems (ABS)
  5. Battery management systems (BMS)

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AUIRS2118STR include:

  1. AUIRS21181S: Single-channel high-side gate driver
  2. AUIRS21182S: Dual-channel high-side gate driver
  3. AUIRS21183S: Triple-channel high-side gate driver

These alternatives can be considered based on specific application requirements and system design considerations.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق AUIRS2118STR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of AUIRS2118STR in technical solutions:

  1. Q: What is AUIRS2118STR? A: AUIRS2118STR is a high-voltage, high-speed power MOSFET and IGBT driver IC designed for automotive applications.

  2. Q: What is the maximum voltage rating of AUIRS2118STR? A: The maximum voltage rating of AUIRS2118STR is typically around 600V.

  3. Q: Can AUIRS2118STR be used with both MOSFETs and IGBTs? A: Yes, AUIRS2118STR can be used as a driver for both MOSFETs and IGBTs.

  4. Q: What is the maximum operating frequency of AUIRS2118STR? A: The maximum operating frequency of AUIRS2118STR is typically around 500kHz.

  5. Q: Does AUIRS2118STR have built-in protection features? A: Yes, AUIRS2118STR has various built-in protection features such as undervoltage lockout (UVLO), overcurrent protection, and thermal shutdown.

  6. Q: Can AUIRS2118STR operate in harsh automotive environments? A: Yes, AUIRS2118STR is designed to operate reliably in harsh automotive environments, including high temperatures and electrical noise.

  7. Q: What is the output current capability of AUIRS2118STR? A: AUIRS2118STR can provide peak output currents up to 2A, making it suitable for driving high-power devices.

  8. Q: Is AUIRS2118STR compatible with 3.3V logic levels? A: Yes, AUIRS2118STR is compatible with both 3.3V and 5V logic levels, providing flexibility in system design.

  9. Q: Can AUIRS2118STR be used in non-automotive applications? A: While primarily designed for automotive applications, AUIRS2118STR can also be used in other high-voltage, high-speed switching applications.

  10. Q: Are there any evaluation boards or reference designs available for AUIRS2118STR? A: Yes, Infineon, the manufacturer of AUIRS2118STR, provides evaluation boards and reference designs to help users quickly prototype and implement their solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and datasheet specifications.