Microchip Intros Power Module To Boost Data Center Power Density

Microchip Technology has introduced the MCPF1525 power module, a highly integrated, compact, stackable device designed for high-performance AI servers. The module delivers high current in a small footprint, helping designers tackle the growing power demands of next-generation data centers.

Microchip’s stackable DC-DC buck regulator module.

Why Advanced Power Solutions Are Needed

As AI workloads continue to grow in scale and complexity, modern data centers are facing growing power-delivery challenges. Servers today pack more compute cores, GPUs, and specialized accelerators into compact boards, driving a sharp increase in energy consumption within a limited footprint. Traditional power delivery solutions, such as discrete voltage regulators or conventional DC-DC modules, often struggle to provide sufficient current density while maintaining stable voltage under rapidly changing loads.

High-current processors and dense board layouts also generate more heat, complicating thermal management and forcing cooling systems to work harder to prevent hotspots. At the same time, space constraints in high-rack-density configurations leave little room for oversized power circuitry, where every millimeter of board area is critical.

For today’s high-density servers, power solutions must be efficient, reliable, and highly compact. They need to deliver high currents precisely where they are required, minimize energy losses, and integrate monitoring and control features to ensure system stability. Without such advanced power modules, data centers risk underutilizing expensive compute hardware, reducing overall server efficiency, or even compromising long-term reliability.

Solutions like the MCPF1525 address these challenges by combining high-current capability, stackable architecture, and intelligent design into a single, compact package, helping engineers achieve both power density and energy efficiency.

Technical Specifications of the MCPF1525 Power Module

The Microchip MCPF1525 is a compact, high-efficiency point-of-load DC‑DC power module that delivers reliable 25 A output from a 16 V input.

It also supports current stacking up to 200 A, allowing engineers to scale power delivery to meet the needs of modern AI accelerators and CPUs that require substantial current at low voltages. The ability to scale current delivery allows engineers to meet these growing power requirements without redesigning the entire power architecture.

The module incorporates an on-chip PWM controller, integrated MOSFETs, and built-in capacitors, enabling efficient power conversion, improved signal integrity, and low EMI. The device supports programmable operation via PMBus and I²C interfaces, enabling real-time monitoring and control of voltage, current, and temperature.

A single 25A MCPF1525 module.

The module is a compact (~ 6.8 mm × 7.65 mm × 3.82 mm) vertical package that reduces board space by up to 40% compared to traditional discrete solutions, enabling engineers to place power delivery modules closer to high‑current loads such as PCIe switches and advanced MPUs.

In AI server boards where every square millimeter matters, saving space allows designers to place more compute, memory, and networking components within the same footprint. Higher component density directly supports greater rack-level compute performance without increasing system size.

It also includes built-in diagnostic functions for over-temperature, over-current, and over-voltage protection, and is rated for operation from -40°C to +125 °C. An on‑board EEPROM is also present, which stores default power‑up settings for predictable operation.

To enhance signal integrity and minimize electromagnetic interference, the power module incorporates a customized inductor that reduces both conducted and radiated noise. These design choices help maintain data accuracy and reliability in high‑speed computing systems, reducing retransmissions caused by power‑related disruptions.

More information about the MCPF1525 module can be found in the data sheet.

Powering the Next Wave of AI Infrastructure

With the introduction of the MCPF1525, Microchip Technology is addressing one of the most pressing challenges in AI data center design: delivering higher current in less space without sacrificing efficiency, control, or reliability. Looking ahead, compact and stackable power solutions are poised to play a central role in shaping the next generation of high-performance AI infrastructure, where every ampere, watt, and millimeter counts.

All images used courtesy of Microchip Technology