IRS2118STRPBF

Current - Peak Output (Source, Sink):	290mA, 600mA
Base Part Number:	IRS2118SPBF
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):	75ns, 35ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Inverting
Series:	--
Logic Voltage - VIL, VIH:	6V, 9.5V
Voltage - Supply:	10 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Gate DriversThe IRS2118STRPBF is a splendidly versatile gate-driver IC (integrated circuit) used in applications to control the switching of MOSFETs and IGBTs. It is a transformer-based, isolated gate driver with one supply, unidirectional and bidirectional drive capabilities as well as you to select between high or low-voltage operation mode, making it very handy in multiple application scenarios in the industrial and commercial fields. This paper seeks to explain the application field and principle behind the IRS2118STRPBF gate-driver to help circuit designers better understand the device and its capabilities. Application field:The IRS2118STRPBF is an ideal device for use in motor drive and power conversion applications, such as those where the MOSFET and IGBTs need to be switched with control signals. It is also widely used in soft switching and snubber circuits for a variety of power related tasks. The isolated gate-driver offers a useful capability- high current drive capability. The devices offer one-directional or bidirectional drive and up to 4A of peak output current, making them well-suited for a wide range of high-current switching applications. Moreover, the IRS2118STRPBF is suitable for driving all kinds of IGBTs and even the most demanding, high-power types such as modules with 1200V blocking voltage levels. It can easily control the output power and the switching speed of IGBTs. Additionally, the device is able to operate in high or low voltage operation mode, offering exceptional versatility. It performs with an input voltage of 2.5V to 18V and an output voltage of 2.5 to 18V. It can switch up to 8A of peak output current and as much as 4A in consistent current. The IRS2118STRPBF gate driver is also highly reliable due to its use of a transformer based driver and it comes with a latch-up prevention circuit, giving designers extra assurance of its performance.Working Principle:The IRS2118STRPBF gate driver operates under the principle of transformer-based isolation, meaning that energy is transferred across transformer coils through the use of a magnet. This magnet produces an alternating current, which passes through a secondary winding. As this alternating current passes through the secondary coil, it induces a voltage in the other winding of the transformer. This voltage is then used to drive the transistors in the circuit, allowing for the gate driver to control the switching of the gate. The IRS2118STRPBF gate driver comes with two pins for single or dual power supply configurations. It also features an integral level shifter, allowing it to accept inputs from 0V to 24V. The gate is driven by a low-power bipolar drive, with up to 4A of available peak output current at 24V or 8A of peak output current at 12V. The gate driver also features a built-in protection circuit that prevents latch-up in the event of direct-to-ground or positive transients. The gate driver also comes with a number of protection features including over-current, over-voltage, over-temperature and short circuit protection. These features ensure maximum reliability and peace of mind to circuit designers.Conclusion: The IRS2118STRPBF gate driver is perfectly suited to applications that need a highly reliable, efficient and versatile gate-driver. Its features such as single or dual power supply configurations, up to 4A of available peak output current and its integrated protection circuits make it an ideal choice for many types of switching applications. Its use of transformer-based isolation also ensures that it is highly reliable and allows for the circuit to be protected from any voltage spikes.

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