IRS2104STRPBF

Current - Peak Output (Source, Sink):	290mA, 600mA
Base Part Number:	IRS2104SPBF
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	70ns, 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:	Tape & Reel (TR)

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Introduction

Power management integrated circuits (PMICs) are a class of integrated circuit whose purpose is to manage the power and display requirements of the systems they are used in. One type of PMICs is gate drivers which are used to switch the power delivery to different parts of the system and to control their switching behaviour. The IRS2104STRPBF is a resettable surge-protection gate driver IC that protects against switch inrush current, output switching surges, and also helps reduce the power dissipation of the MOSFETS used as the power switches. In this article, the application field and working principle of the IRS2104STRPBF gate driver will be discussed.

Application Field

The IRS2104STRPBF can be used in a variety of applications, such as adapters for small electronic devices and automotive power electronics. In the case of adapters, the IRS2104STRPBF can act as a surge protection for the main circuit in the device, reducing the risk of a power spike damaging the sensitive components in the device. In the case of automotive power electronics, the IRS2104STRPBF can provide protection against input surge voltages, allowing the usage of more power electronics in a vehicle system.In addition, the IRS2104STRPBF is suitable for industrial power supplies and LED lighting systems, as it provides a full protection against inrush current, output switching surges and ESD events. Furthermore, its very low power consumption and low voltage drop features make the IRS2104STRPBF optimal for applications in which efficiency and power consumption are critical factors, such as laptop power supplies.

Working Principle

The IRS2104STRPBF is a four-channel gate driver IC with built-in surge protection and ESD protection functions. The four channels are configured as two pairs of complementary MOSFETs, and the IC includes an internal reset mechanism that prevents the output transistors from shorting out.The IRS2104STRPBF uses two PMOS channel transistors as low-side switches and two NMOS channel transistors as high-side switches. The two complementary MOSFETs are switched in order to prevent output current saturation and to ensure proper operation at all times.The surge protection feature in the IRS2104STRPBF ensures that the MOSFETs are protected against inrush current and output switching surges. This is achieved by monitoring the voltage across the MOSFETs and driving them into a reset state if the voltage exceeds a certain threshold.The ESD protection feature in the IRS2104STRPBF helps protect against electrostatic discharge events by forcing the output voltage to ground through a pair of ESD protection diodes. This helps to prevent a higher voltage than the rated value from being applied to the system and damaging the components.The low power consumption and low voltage drop features of the IRS2104STRPBF are also noteworthy. The power dissipation of the MOSFETs is reduced due to the high level of protection provided by the IRS2104STRPBF, resulting in improved energy efficiency and reduced operating temperature.

Conclusion

The IRS2104STRPBF is a high-performance gate driver IC that offers surge and ESD protection, as well as low power consumption and low voltage drop features. The IRS2104STRPBF can be used in a variety of applications, such as adapters, automotive power electronics, industrial power supplies and LED lighting systems. In addition, its surge protection and ESD protection features ensure that the MOSFETs are properly protected against inrush current, output switching surges and ESD events, resulting in improved energy efficiency and reduced operating temperature.

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