Infineon Low Side/High Side 5 Power Switch IC 56-Pin QFN IRPS5401MTRPBF

Infineon IRPS5401MTRPBF is a high-performance power switch IC featuring low side and high side switching capabilities with 5 outputs, packaged in a compact 56-pin QFN format measuring 7mm by 7mm with a height of 900μm. It operates over a wide temperature range from -40°C to 150°C maximum, making it suitable for demanding industrial and electronic applications.

The device integrates four high-efficiency configurable switching regulators alongside a source/sink linear regulator to supply typical voltages such as core voltage, memory voltage, and I/O voltages required in multi-rail systems like processors and FPGAs. Its emulated current mode control eliminates the need for external compensation, simplifying circuit design.

Notably, it features differential voltage sensing on the main switcher for increased regulation accuracy and supports widely used communication protocols I2C and PMBus, incorporating an integrated level shifter to facilitate control and monitoring. Its advanced sequencing control and comprehensive PMBus command set (74 commands) enable complex system management tasks.

The IC also offers built-in current sensing and full telemetry, including real-time monitoring of voltage, current, temperature, and fault conditions, which is critical for reliable operation and diagnostics in industrial, computing, and communications equipment. This power switch IC is rated for operation with a minimum supply voltage down to -0.3V and a maximum supply voltage of 12V, with low switch on resistance of 105mΩ contributing to efficient power delivery.

Delivers up to 5 output voltages suitable for processors and FPGAs. Features 4 configurable switching regulators and one linear regulator for voltage variety. Incorporates emulated current mode control without the need for external compensation.

Includes differential voltage sensing on switcher A for enhanced accuracy. Supports I2C and PMBus communication interfaces with integrated level shifter. Offers advanced sequencing control and extensive PMBus command set of 74 commands.

Integrated current sensing and telemetry for voltage, current, temperature, and fault monitoring. Rated for operation between -40°C and +125°C junction temperature. Compact 56-pin QFN package measuring 7mm x 7mm with 900μm height.

Low switch on resistance of 105mΩ with maximum supply voltage of 12V.

This Power Switch IC is ideally suited for industrial, telecommunications, computing, and embedded system applications requiring reliable multi-rail power management. Its small QFN package allows for compact PCB design while maintaining robust performance.

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