IRS21091PBF

Current - Peak Output (Source, Sink):	290mA, 600mA
Base Part Number:	IRS21091PBF
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	100ns, 35ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2.5V
Voltage - Supply:	10 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tube

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IntroductionIRS21091PBF is a monolithic half-bridge gate driver that can produce up to 2A of peak current from its output stage. It is primarily targeted for applications where high power and speed are required. This driver is specifically designed for use in automotive and other space-constrained environments, and is also available with a variety of features to increase its versatility in different applications. Classification as PMIC - Gate DriversIRS21091PBF is classified as a gate driver in the context of PMIC (power management integrated circuits). This type of IC is used to control and regulate the flow of power to various components in an electronic system. Gate drivers are designed to act as an intermediary between logic, and logic level, circuits and power elements such as power transistors, power FETs, and motor bridges. The main function of a gate driver is to turn on and off the power transistor by providing a steady and linear base current and a shorted emitter foil. The emitter-follower configuration provides the gate drive voltage which is necessary to switch the power transistor into a conduction state. Gate drivers are commonly used in applications such as automotive inverters, battery management systems, and motor control systems.Specifications of IRS21091PBFThe key features and specifications of IRS21091PBF include:1. High peak output current of up to 2A/channel2. Low minimum switch-on voltage of 4V3. High switching speed of 10ns/channel4. High gate voltage threshold of 17V5. Automotive-grade temperature range of -40°C to +175°C6. System synchronization at 3MHzApplication Field The IRS21091PBF is particularly suitable for use in the automotive and other space-constrained environments, where high power and speed are required. It is ideally suited for applications in electric vehicles, battery management systems, and motor control systems. The device is also capable of being used in industrial, computer, telecommunications, and consumer applications. In automotive applications, the IRS21091PBF can be used as a gate driver for high-power semiconductor power devices such as power MOSFETs and IGBTs. It can also be used in applications such as renewable energy systems, grid-tied inverters, power inverters, DC-DC converters, high-voltage battery chargers, and switched-mode power supplies. In industrial applications, the IRS21091PBF can be used as a gate driver for power transistors and IGBTs. It can also be used for then controlling power supplies in AC/DC and low-power DC/DC converters, AC motor drive applications, and other power conversion applications. Working PrincipleThe IRS21091PBF is designed to act as an intermediary between logic and logic level circuits and power elements such as power transistors, power FETs, and motor bridges. The device works in the emitter-follower configuration which provides the gate drive voltage necessary to switch the power transistor into the conduction state.When the chip is enabled, it will supply a linear base current to the power transistor and the output stage of the device will be in a high-impedance state. The base current will then be regulated by the voltage drop across the power transistor and the current cannot exceed its rated maximum. This device provides a half-bridge output stage which can be used to control the power devices in both directions (high to low, and low to high). By controlling the supply voltage and the current to the power transistor, the output stage can be controlled precisely. In addition, the IRS21091PBF also has an integrated voltage regulator that can be used to provide a steady supply voltage to the device, regardless of input voltage fluctuations. This feature makes the chip an ideal choice for automotive and space-constrained applications.Conclusion The IRS21091PBF is a monolithic half-bridge gate driver that can produce up to 2A of peak current from its output stage. It is primarily targeted for applications where high power and speed are required, and can be used in automotive and other space-constrained environments. The driver is classified as a gate driver in the context of PMIC (power management integrated circuits). Gate drivers are designed to provide a steady and linear base current to the power transistor, and are commonly used in applications such as automotive inverters, battery management systems, and motor control systems.The device is capable of being used in industrial, computer, telecommunications, and consumer applications. It is also capable of being used as a gate driver for power transistors and IGBTs, and can be used for then controlling power supplies in AC/DC and low-power DC/DC converters, AC motor drive applications, and other power conversion applications.

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