Si power stages

Maximize power density, optimize efficency, and streamline designs
View all products

Browse by category

Minimize solution size, maximize power density, optimize efficiency, and fortify system protection utilizing our advanced power stages devices. Integrate our smart power stages, featuring high-precision telemetry, with our scalable multiphase controllers for a streamlined multiphase DC/DC system solution. This integration eliminates redundant components, reduces switching losses, and elevates overall system reliability – all within an a compact footprint.

Select by type


Thermally optimized footprint power stages


Thermally optimized footprint smart power stages


Industry-common footprint smart power stages

Select featured power stage products

Our MOSFET power stages increase system efficiency & simplify designs

High efficiency
Enhanced diagnostic feedback
High integration

Technical Resources

Application note

Power loss calculation with CSI consideration for synchronous buck converters (Rev. A)

The synchronous buck converter is a widely used topology in low-voltage, high-current applications. Low-power loss and highly efficient synchronous buck converters are in great demand for advanced microprocessors of the future.

An Introduction to Multiphase Buck Regulators

In this video we discuss what a multi-phase buck regulator is exactly, what applications they're suited for, and some of the challenges associated with implementing them.

PowerStack<sup></sup>™ Packaging Technology Overview

Gain a deeper understanding into the construction of our smart power stages and how packaging can enhance circuit performance.


Design & development resources

Evaluation board

Dual-channel (6+2/5+3) evaluation module for D-CAP+™ step-down controller with PMBus interface

The TPS53681EVM evaluation module allows users to assess the operating characteristics of the TPS53681 controller with the CSD95490 smart power stages in a low voltage, high current, step-down point of load (POL) application with the configuration, control and monitoring functionality of the (...)

Evaluation board

TPSM831D31, 8V to 14V Input, Dual Output, 120A + 40A PMBus Power Module Evaluation Module

The TPSM831D31 evaluation board is configured to evaluate the operation of the TPSM831D31 power module for current up to 120 A for output A and 40 A for output B. The input voltage range is 8 V to 14 V. The output voltage range for both output A and output B is 0.25 V to 1.52 V. The evaluation (...)
Evaluation board

Dual-channel (12+0, 11+1 or 10+2 phases), D-CAP+ step-down, DC-DC analog with PMBus interface EVM

The TPS536C7EVM evaluation module (EVM) allows users to evaluate the TPS536C7 controller.

The controller is dual-channel (12 + 0, 11 + 1 or 10 + 2 phases), D-CAP+™ synchronous buck driverless control with PMBus Interface. The device operates using a voltage supply between 4.5 V and 17 V. The (...)

CSD967201-Q1

Approx. price (USD)1ku |3.1