IRS2128STRPBF

Current - Peak Output (Source, Sink):	290mA, 600mA
Base Part Number:	IRS2128SPBF
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):	80ns, 40ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2.5V
Voltage - Supply:	12 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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What is IRS2128STRPBF

IRS2128STRPBF is a monolithic gate driver integrated circuit (IC) in a 28-pin standard thermoplastic power package. It is produced by STMicroelectronics and it is used mainly in power management control (PMC) applications. This device provides power MOSFETs and insulated gate bipolar transistors (IGBTs) with a low-side and high-side drive capability. In terms of typical power levels, it is suitable for device switching up to 600V with a DC current capability of up to 10A. The device is also able to operate at frequencies up to 100kHz, which makes it suitable for high-frequency motor control applications such as those used in automotive, industrial, and appliance markets.

Application Field of IRS2128STRPBF

IRS2128STRPBF is a single-channel, low-side and high-side driver IC widely used in a variety of power management and motor control applications. The channel can be used to drive a single power MOSFET or IGBT with up to 600V and 10A, enabling this device to drive a wide range of switching loads. The IC is also equipped with a wide array of features, including the ability to run up to 100kHz, a current sense amplifier and low-side current source, as well as over-voltage and over-current protection. This makes it suitable for use in a variety of motor control and power management applications such as DC-DC converters, power supplies, air-conditioning systems, and motor drives. This device is also capable of driving full bridge and half bridge applications.

Working Principle of IRS2128STRPBF

IRS2128STRPBF utilizes two power transistors, a low-side transistor and a high-side transistor, which are driven in a complementary pair. The high-side transistor is responsible for driving the load from the power rail and the low-side transistor is responsible for returning the load current to the power rail. The driving signal from the microcontroller is applied to the low-side driver, which then switches on and off the low-side transistor according to the input signal. The high-side driver then monitors the output voltage at the load and activates the high-side transistor accordingly. This creates a bi-directional flow of current to and from the load, switching the load between power rail and ground. The device is protected against over-voltage and over-current by the in-built protections.

Conclusion

IRS2128STRPBF is a single-channel, low-side and high-side driver IC specifically designed for use in power management and motor control applications. It is able to switch up to 600V with a DC current capability of 10A and is capable of operating at frequencies up to 100kHz. The IC is provided with a comprehensive set of features, including current sensing, current source, and over-voltage and over-current protection, making it an ideal choice for driving a wide range of switching loads. This device is a versatile solution for applications such as DC-DC converters, power supplies, air-conditioning systems, and motor drive systems.

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