IRS21867

High-voltage MOSFET and IGBT gate drivers for motor control applications

Manufacturer: ['ir', 'infineon']

series introduction

# IRS21867 Product Series Introduction

## 1. Overview
The IRS21867 product series is a cutting - edge offering in the field of power management and motor control integrated circuits. Developed by a leading semiconductor manufacturer, these integrated circuits are designed to provide high - performance, reliable, and efficient solutions for a wide range of applications. With their advanced features and robust design, the IRS21867 series has become a popular choice among engineers and designers in various industries.

## 2. Key Features

### 2.1 High - Voltage Capability
The IRS21867 series is capable of handling high - voltage inputs, typically up to [X] volts. This high - voltage tolerance makes it suitable for applications such as industrial motor drives, power supplies, and high - power lighting systems. It can effectively interface with high - voltage power sources and control the power flow to the load, ensuring stable and safe operation.

### 2.2 Integrated Gate Drivers
One of the standout features of the IRS21867 series is its integrated gate drivers. These gate drivers are designed to drive power MOSFETs and IGBTs with high efficiency and precision. They can provide fast switching speeds, which helps to reduce power losses and improve the overall efficiency of the system. The integrated design also simplifies the circuit layout, reducing the number of external components and saving board space.

### 2.3 Protection Features
To ensure the reliability and longevity of the system, the IRS21867 series is equipped with a comprehensive set of protection features. These include over - current protection (OCP), over - voltage protection (OVP), under - voltage lockout (UVLO), and thermal shutdown. The over - current protection monitors the current flowing through the power devices and shuts down the circuit if the current exceeds a predefined threshold. The over - voltage protection safeguards the system from excessive voltage spikes, while the under - voltage lockout prevents the circuit from operating when the supply voltage is too low. The thermal shutdown feature activates when the temperature of the device exceeds a safe limit, protecting it from overheating.

### 2.4 Adjustable Dead - Time Control
Dead - time control is crucial in power electronics applications to prevent shoot - through currents in half - bridge or full - bridge circuits. The IRS21867 series allows for adjustable dead - time control, enabling designers to optimize the dead - time based on the specific requirements of their application. This flexibility helps to improve the efficiency and performance of the power conversion system.

### 2.5 Low Quiescent Current
The series features low quiescent current consumption, which is beneficial for battery - powered applications or systems where power efficiency is a top priority. The low quiescent current ensures that the device consumes minimal power when in standby or idle mode, extending the battery life and reducing overall power consumption.

## 3. Applications

### 3.1 Industrial Motor Drives
In industrial motor drive applications, the IRS21867 series can be used to control the speed and torque of AC and DC motors. Its high - voltage capability and integrated gate drivers make it suitable for driving large - power motors. The protection features ensure the safe operation of the motor and the drive system, while the adjustable dead - time control helps to optimize the motor performance.

### 3.2 Switch - Mode Power Supplies (SMPS)
For switch - mode power supplies, the IRS21867 series can be employed to control the power switches, such as MOSFETs and IGBTs. The high - speed switching capability of the gate drivers helps to improve the efficiency of the power supply, while the protection features safeguard the power supply from various faults. The low quiescent current also makes it suitable for low - power standby applications.

### 3.3 Lighting Systems

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related Documents

Datasheets

Partlist

IRS21867SPBF
IRS21867STRPBF