IR2159STR

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IR2159STR is an advanced full feature zero current or low current protection and active soft drive rail-to-rail gate-driver IC from Infineon Technologies AG. This device is mainly used in wide range of applications such as lighting and ballast controllers. The IR2159STR is an ideal solution for applications that require reliable, low-cost and low-distortion switched mode power supply (SMPS) topology.

The IR2159STR features input voltage range of 9V to 15V, offering up to 7A gate drive current. It has built-in protection features like short-circuit protection, integrated current limit protection and voltage clamping, as well as over-voltage and over-temperature protection. There is also a built-in soft-start circuit, which helps minimize the inrush current of the supply when the device is powered up.

The IR2159STR has a wide operating temperature range from -40°C to +125°C, making it well-suited for applications in harsh environments. Additionally, it features very low quiescent current in the shutdown mode, as well as low power consumption in the active mode. This device is available in Through Hole (TH) and Surface Mount (SM) packages.

The IR2159STR is designed to enable zero-voltage or low-voltage output current regulation to enable the use of the device in lighting and ballast controllers. It is based on a three-stage process - the input regulator, the output regulator, and the protection circuit. The input regulator is used to provide a stable voltage supply to the output regulator. The output regulator is used to control the output current and keep it within the specified limits. Finally, the protection circuit provides over-voltage, over-current, and over-temperature protection in order to prevent the device from getting damaged.

The IR2159STR also includes a soft-drive circuit that is used to reduce the switching losses of the output stage. This feature not only ensures better efficiency, but also improves the life of the device and help reduce the EMI radiation. The IR2159STR also includes a trimming circuit, which allows the user to adjust the output current to the desired level.

In conclusion, the IR2159STR is an exceptional device distinguished by a wide range of features and a competitive price. It is an ideal solution for lighting and ballast controllers, providing reliable and low-cost performance. The device’s wide operating temperature range and built-in protection features provide additional safety and reliability.

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