Samsung boosts DDR5 modules with integrated PMIC design

May 18, 2021 // By Nick Flaherty
Integrated DDR5 PMICs reduce memory module footprint
Three Samsung integrated power management chips for DDR5 modules reduce the footprint in data centre and consumer applications

Samsung Electronics has launched an integrated power management IC (PMIC) design for DDR5 dual in-line memory modules.

One major design improvement for DDR5 involves integrating the PMIC into the memory module, as the previous generations placed the PMIC on the motherboard. This provides increased compatibility and signal integrity, and providing a more reliable and sustained performance.

For improved performance efficiency and load-transient responses, the S2FPD01, S2FPD02 and S2FPC01 PMICs integrate a high-efficiency hybrid gate driver and a proprietary control design with a asynchronous-based dual-phase buck control scheme. rather thatn a linear regulator. This provides an efficiency of 91 per cent to reduce power dissipation for more stabel temperature under heavy loads as DC voltage can step down from high to low with a fast transient response to changes in the output load current and adapts the conversion ccordingly to efficiently regulate its output voltage at near-constant levels. The control scheme also features both pulse width and pulse frequency modulation methods, preventing delays and malfunctions when switching modes.

“With enhanced power efficiency and low output ripple voltage, the S2FPD01, S2FPD02 and S2FPC01 allow data centres, enterprise servers and PC applications to take full advantage of their DDR5 performance for highly demanding, memory-intensive tasks,” said Harry Cho, vice president of System LSI marketing at Samsung Electronics.

The S2FPD01 and the S2FPD02 are aimed at data centre and enterprise servers that run heavy analytics, machine and deep learning, and other various computing tasks in real time. The FPD01 is designed for modules with low density; FPD02 for higher density. The S2FPC01 is designed in a 90nm process for desktop or laptop PCs to fit into a smaller package.

The parrts are currently being sampled to customers.

www.samsung.com

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