IR1150IS

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IR1150IS is a PDSO8 switching regulator/controller

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IR1150IS DataSheet

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IR1150IS Description

The IR1150IS is a high-performance, low-power switching regulator/controller from Infineon Technologies AG, designed for efficient power management in various applications. This device features advanced overcurrent protection and pulse width modulation (PWM) capabilities, making it ideal for use in industrial control systems, motor drives, and other demanding environments.

Features

  • Advanced Overcurrent Protection: Ensures safe operation and prevents damage to the device or connected components.
  • Pulse Width Modulation: Enables precise control of output voltage and current.
  • Digital Feedback Loop: Provides real-time monitoring and control of the output signal.
  • Low Power Consumption: Reduces heat generation and energy waste, making it suitable for use in battery-powered devices or applications with limited power resources.

Applications

The IR1150IS is designed for use in a wide range of applications, including industrial control systems, motor drives, and other demanding environments where high-performance and low-power operation are critical.

Where to Use:

  • Industrial control systems
  • Motor drives
  • Battery-powered devices
  • Aerospace and defense applications
  • Medical equipment

Manufacturer

The IR1150IS is manufactured by Infineon Technologies AG, a leading global provider of semiconductor solutions.

Packages

The IR1150IS is available in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface-mount technology and compact design requirements.

Equivalent Parts of IR1150IS

  • IR1161: A comparable switching regulator/controller from Infineon Technologies AG with similar features and performance.
  • STP16WPC5: An alternative switching regulator/controller from STMicroelectronics that offers equivalent functionality.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code No Part Life Cycle Code Obsolete
ECCN Code EAR99 HTS Code ! 8542.39.00.01
JESD-30 Code R-PDSO-G8 Number of Terminals 8
Operating Temperature-Max 85 °C Operating Temperature-Min -25 °C
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Equivalence Code SOP8,.25 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Power Supplies ! 15 V
Qualification Status ! Not Qualified Supply Current-Max (Isup) 40 mA
Supply Voltage-Nom (Vsup) 15 V Surface Mount ! YES
Temperature Grade ! OTHER Terminal Form ! GULL WING
Terminal Pitch ! 1.27 mm Terminal Position DUAL

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification IR1150IS PDF Download

FAQs

What is IR1150IS?

The IR1150IS is a high-performance, self-oscillating half-bridge driver IC designed by Infineon Technologies. It is ideal for driving power MOSFETs and IGBTs in resonant half-bridge and full-bridge topologies, commonly used in high-efficiency power converters for applications such as power supplies, motor drives, and renewable energy systems.

How Does IR1150IS Work?

The IR1150IS operates by generating high-frequency switching signals to drive power MOSFETs or IGBTs in a resonant half-bridge topology. It features self-oscillating capability, which simplifies the design of resonant converters and helps optimize efficiency. The driver IC also includes advanced protection features to ensure safe and reliable operation of power semiconductor devices.

How Many Pins does IR1150IS have and What are the Functions of the Pinout Configuration?

The IR1150IS is housed in a 14-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • LO, HO: Low-side and high-side gate driver outputs.
  • VSS: Power ground pin.
  • SD, LEB, TON, TOFF: Control and protection pins for shutdown, leading-edge blanking, turn-on time, and turn-off time.
  • VSSC: Bootstrap capacitor pin for the high-side gate driver.
  • RT, CT: External timing components for frequency control.

What are the Pros and Cons of IR1150IS?

Pros:

  • Resonant Operation: Supports self-oscillating resonant operation for high efficiency and reduced switching losses.
  • Advanced Protection: Includes comprehensive protection features such as shoot-through prevention and overcurrent protection.
  • External Control: Provides flexibility with external timing components for frequency control.
  • Compact Package: The 14-lead SOIC package is space-efficient and suitable for high-density designs.

Cons:

  • Complexity: Resonant converters can be more complex to design and debug compared to traditional PWM-based converters.
  • External Components: May require external components such as bootstrap capacitors and timing resistors for proper operation.

Are There Any Equivalents/Alternatives to IR1150IS for Recommendation?

  • The IRS20957 from Infineon Technologies is an alternative high-performance half-bridge driver with similar features.
  • Equivalents to the IR1150IS include the FAN7390 from Fairchild Semiconductor and the NCP4306 from ON Semiconductor.

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