SP208EET-L

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SP208EET-L is a digital, medium voltage, single-channel gate driver from STMicroelectronics. It brings a solution for driving IGBTs and other power semiconductor modules. It features a galvanic isolation between the power stage and the logic. It is designed for high voltage applications, up to 825V. It is a half bridge gate driver designed for bipolar paralleled devices for Bidirectional current and low PWM frequency drive.

Application Field of SP208EET-L

SP208EET-L provides a digital interface and galvanic isolation up to 1500Vrms (~825Vdc) to control a half bridge of paralleled IGBTs. This gate driver is ideal for motor control, Uninterruptible Power Supply (UPS), welding, medical and automotive applications, such as DC/DC converters and battery chargers, appliance control, lighting and household appliances.

Features of SP208EET-L

The SP208EET-L is a highly integrated, flexible, single-channel half-bridge gate driver with galvanic isolation. It contains a high-current, floating MOSFET driver, a line receiver and digital interface components. This gate driver supports 4 to 20V logic supply, isolated 5 to 28V power supply, and 825V sources supply. It features a fast settling time, low quiescent current and high-speed operation.

The SP208EET-L has a built-in push-pull outphasing feature that takes advantage of the low gate capacitance IGBT modules. This gate driver contains two gate driver amplifier stages for each MOSFET. It features a very feature-rich logic interface with features like Over Temperature Shutdown (OTSD), under voltage lockout (UVLO) with hysterisis, inrush current limitation (ICL), the ability to push pull in-phase and out-of-phase, and more.

The SP208EET-L comes in a compact 17-pin reinforced plastic package and meets the harsh requirements of the automotive environment, such as EMC/EMI and temperature. It is equipped with high level EMC/EMI protection to reduce the conducted EMI and host cabling induced dV/dt emissions.

Working Principle of SP208EET-L

The SP208EET-L is a single-channel half-bridge gate driver with galvanic isolation. It contains a high-current, floating MOSFET driver, a line receiver, digital interface components and a high level EMC/EMI protection system. It is designed to control IGBTs and other power semiconductor modules in high voltage applications up to 825V.

The SP208EET-L provides a digital interface and galvanic isolation up to 1500Vrms (~825Vdc). It has a very feature-rich logic interface to provide a variety of features such as OTSD, UVLO with hysteresis, inrush current limitation and push-pull out-of-phase and in-phase drive. This gate driver can also enable a fast settling time, low quiescent current and high-speed operation.

The SP208EET-L takes advantage of the low gate capacitance IGBT modules available on the market to provide precise gate control to each of its two channels. This gate driver supports 4 to 20V logic supply, isolated 5 to 28V power supply, and 825V sources supply. It is equipped with high level EMC/EMI protection to reduce the conducted EMI and host cabling induced dV/dt emissions.

Conclusion

The SP208EET-L is a highly integrated, flexible, single-channel half-bridge gate driver with galvanic isolation. It is designed for high voltage applications, up to 825V. It brings a solution for driving IGBTs and other power semiconductor modules. It has a very feature-rich logic interface to provide a variety of features such as OTSD, UVLO with hysteresis, inrush current limitation and push-pull out-of-phase and in-phase drive. This gate driver is ideal for motor control, UPS, welding, medical and automotive applications, such as DC/DC converters and battery chargers, appliance control, lighting and household appliances.

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