Multiphase solutions: processor core power
Design a streamlined multiphase DC/DC power supply with fast transient response and maximum power density and efficiency
Smart and efficient power conversion for your processor core
Harnessing our expertise and industry leadership in multiphase solutions for CPU cores, we create high-density, energy-efficient core power solutions tailored to needs of AI-driven high computing. Pair our smart monitoring power stages or modules with our super fast transient controllers for a streamlined DC/DC power supply. With our diverse portfolio of power devices and multiphase controllers, we empower power-supply design of your CPUs, GPUs, SoCs, or Custom ASICs and FPGAs for use in enterprise servers, datacenters, networking and communications.
Browse products by category
Controllers
Supporting Intel SVID, AMD SVI, AVSBus, and PMBus protocols via an intuitive GUI. Scable, stackable and current sharing for high current capability with fast transient response.
Power stages
Available across many current ranges in lead-free packages for diverse processor needs. Integrated drivers for telemetry, protection features and a trans-inductance voltage regulator reduce BOM costs.
Related resources
Power for embedded systems
TI has power-supply solutions for your systems on a chip (SoCs), processors, microcontrollers, sensors or field-programmable gate arrays (FPGAs).
Why choose our multiphase core power solutions?
High efficiency and power density
Field-effect transistor and package innovations, including integrated drivers in the thermal-enhanced flip-chip HotRod™ package, enable efficiency and power density, with peak currents as high as 90A.
Accurate telemetry and advanced features
With 3% accuracy over temperatures as low as 2°C, our multiphase solutions have an enhanced trans-inductance voltage regulator (TLVR) and current sharing for stackability in high power applications.
Flexibility, scalability and a fast transient response
Our multiphase controllers are designed with a D-CAP+™ control loop that enables a faster response to rising and falling transients, providing design flexibility with scalable phase and loop counts.
Built for reliability
Advanced fault reporting and protection against overcurrent, overvoltage and overtemperature increase reliability. Accelerated lifetime testing qualification ensures sustainability.
Engineering high-performance, reliable and efficient multiphase core solutions
Enhanced nonlinear control and flexibility for asymmetrical board designs
Our D-CAP+™ control architecture enables a fast load transient response, increasing efficiency in your power designs.
Benefits:
- Constant on-time adapts to the input and output voltages.
- Fast and accurate response enables dynamic current sharing.
- A combination of averaged phase currents and compensation voltage regulates the feedback voltage for the compensation loop.
- Natural phase interleaving and constant current balancing between phases.
- True current-mode control as the output inductance does not affect voltage-loop stability.
Flexible power reference design for high performance Xilinx and Intel FPGA platforms
D-CAP+TM Control for Multiphase Step-Down Voltage Regulators for Powering Microp
Package optimization for enhanced electrical and thermal performance
Our smart power stages and power modules in PowerStack™ and HotRod™ packages can replace the traditional bond-wire quad flat no-lead package and stacking using large metal chips.
Benefits:
- Reduced parasitic loop inductance for faster switching and improved efficiency.
- Improved thermal performance, especially when using the large die attach pad on center pad.
Package optimization – HotRod™ QFN and enhanced HotRod™ QFN
PowerStack™ packaging technology overview
Featured products for multiphase power solutions
Intelligent drivers for advanced telemetry and protection for a simplified and reliable design
Our NexFET™ technology power stage in our flip-chip HotRod™ package provides optimized efficiency and power density. Our power stages are also integrated with an intelligent driver circuit.
Benefits:
- Cycle-by-cycle temperature-compensated bidirectional current sensing ensures up to 2.5% accuracy at ambient temperatures and 3% in overtemperature conditions.
- Temperature monitoring of resolutions ±2°C.
- Cycle-by-cycle overcurrent limiting, negative overcurrent, high-side short-circuit and overtemperature detection.
- Enhanced handshake and fault diagnostics when paired with certain TI controllers.
Featured products for multiphase power solutions
Discover featured applications
Shrink overall solution size, improve transient response and output voltage ripple, optimize efficiency, and strengthen system protection with our multiphase DC/DC power conversions solutions.
Benefits:
- PowerStack™ packaging technology eliminates parasitics, while a large ground leadframe provides excellent thermal performance.
- Cycle-by-cycle accurate temperature-compensated bidirectional current sensing improves system monitoring.
- Advanced fault monitoring improves system reliability.
- Integrated MOSFETs, smart drivers and current sensors provide switching functionality that removes passive components, simplifying printed circuit board layout.
- D-CAP+™ technology on our dual phase controllers enhances nonlinear control, provides flexibility for asymmetrical board designs.
Featured resources
- CSD95410RRB – 90-A peak continuous synchronous buck NexFET™ smart power stage
- CSD95420RCB – 50-A peak continuous synchronous buck NexFET™ smart power stage
- CSD95411 – 65-A peak continuous current synchronous buck NexFET™ power stage
- D-CAP+TM Control for Multiphase Step-Down Voltage Regulators for Powering Microp – Application note
- Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses – Application note
Enable power solutions beyond 1,000A for network switches, routers and smart NIC application with fast transient response, optimize efficiency and strengthen system protection.
Our high current smart power stages with active sharing feature for stackability enables higher power requirements.
Benefits:
- Active current-sharing phase-doubling power-stage technology ensures accurate current sharing among stacked power stages.
- PowerStack™ packaging technology eliminates parasitics, while a large ground leadframe provides excellent thermal performance.
- D-CAP+™ technology on our dual phase controllers enhances nonlinear control, provides flexibility for asymmetrical board designs.
Featured resources
- CSD95430 – 90-A peak continuous-current synchronous-buck NexFET™ smart power stage
- CSD95410RRB – 90-A peak continuous synchronous buck NexFET™ smart power stage
- CSD95420RCB – 50-A peak continuous synchronous buck NexFET™ smart power stage
Compact higher DC/DC power solution for AI hardware accelerator and graphical processing units (GPUs) with fast transient response, maximum efficiency and advanced system protection.
Our flexible, scalable controllers include high-current smart power stages and fast transient controllers.
Benefits:
- 25V field-effect transistor technology enables input voltage ranges as high as 16V.
- Cycle-by-cycle temperature-compensated bidirectional current sensing improves system monitoring.
- Advanced fault monitoring improves system reliability.
- Integrated MOSFETs, smart drivers and current sensors provide switching functionality that removes passive components, simplifying printed circuit board layouts.
Featured resources
- CSD96415 – 80-A peak continuous current synchronous buck NexFET™ power stage
- CSD96416 – 50-A peak continuous current synchronous buck NexFET™ smart power stage
- CSD95410RRB – 90-A peak continuous synchronous buck NexFET™ smart power stage
- D-CAP+TM Control for Multiphase Step-Down Voltage Regulators for Powering Microp – Application note
- Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses – Application note
Design & development resources
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 (...)
TPSM831D31, 8V to 14V Input, Dual Output, 120A + 40A PMBus Power Module Evaluation Module
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 (...)