Rack & server power

Gallium-nitride (GaN) transistors are wide band-gap devices capable of switching at higher frequencies than traditional silicon field-effect transistors. GaN devices also have lower capacitance and zero reverse recovery, which enables their use in topologies that were previously not achievable with silicon.

Integrated smart gate drivers help reduce parasitics and ensure the presentation of the correct drive signal to the gate of the device. In addition, gate drivers help enable protection and monitoring features such as overcurrent, overtemperature, zero current and voltage detection.

Our GaN devices enable server power-supply units to achieve 80 Plus Titanium and OCP ORv3 efficiency requirements in smaller sizes than previous systems.

Digital control helps make complex topologies simple. Our C2000™ microcontrollers facilitate the programming of many features. Real-time control enables fast switching speeds, high-resolution pulse-width modulation and accurate monitoring – all with an easy-to-use programming interface. Built-in hardware and software functions allow you to easily handle security features. Our UCD controller family includes hardware accelerators that make programming the devices even easier.

Current sensing plays a critical role in server and telecommunication power-supply units (PSUs). The control, protection and monitoring of various PSU subsystems requires accurate current measurements.

Our products for isolated current sensing include low-cost Hall-effect sensors and highly accurate shunt-based approaches for isolated sensing. For nonisolated sensing, our devices offer a wide range of supported voltages to help make current sensing easier.