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IR2151

IR2151 Description

The IR2151 is a half-bridge gate driver IC from Infineon Technologies, designed to drive high-side and low-side MOSFETs in power conversion applications. It features a synchronous channel type, with an input type of RC input circuit. The device is packaged in an 8-DIP tube package and has a base product number of IR2151. The IR2151 is designed to operate with a supply voltage range of 10V to 20V, making it suitable for a variety of power applications.

IR2151 Features

• Voltage - Supply: The IR2151 operates with a supply voltage range of 10V to 20V, providing flexibility in power supply design.
• Rise / Fall Time (Typ): The IR2151 has a typical rise and fall time of 80ns and 40ns, respectively, ensuring fast switching performance.
• High Side Voltage - Max (Bootstrap): The IR2151 can handle a maximum high-side voltage of 600V, making it suitable for high-voltage applications.
• Current - Peak Output (Source, Sink): The IR2151 can source and sink peak currents of 125mA and 250mA, respectively, providing sufficient drive capability for MOSFETs.
• Number of Drivers: The IR2151 features two drivers, enabling it to drive both high-side and low-side MOSFETs in a half-bridge configuration.
• Mounting Type: The IR2151 is mounted through-hole, providing a reliable mechanical connection to the PCB.
• Moisture Sensitivity Level (MSL): The IR2151 has an MSL of 1, indicating that it is not sensitive to moisture and can be stored for an unlimited period without baking.

IR2151 Applications

The IR2151 is ideal for use in a variety of power conversion applications, including:

1. DC-DC Converters: The IR2151 can be used to drive the high-side and low-side MOSFETs in a DC-DC converter, providing efficient power conversion with fast switching performance.
2. Motor Control: The IR2151 can be used in motor control applications, such as brushless DC (BLDC) motor drivers, to drive the high-side and low-side MOSFETs in a half-bridge configuration.
3. Power Factor Correction (PFC): The IR2151 can be used in PFC circuits to drive the high-side and low-side MOSFETs, improving power factor and reducing harmonic distortion.

Conclusion of IR2151

The IR2151 is a versatile half-bridge gate driver IC from Infineon Technologies, offering fast switching performance, high-side voltage handling, and peak output current capabilities. Its synchronous channel type and RC input circuit make it suitable for a variety of power conversion applications, including DC-DC converters, motor control, and power factor correction. While the IR2151 is now considered obsolete, it remains a reliable and efficient solution for driving high-side and low-side MOSFETs in half-bridge configurations.