Article | January 22, 2025

Exploring Power Loss Protection And Power Management One-Chip Solution For SSDs

Source: Qorvo
GettyImages-1489414892 Technological Software Engineering Department Manager Using A Laptop

Solid State Drives (SSDs) are transforming digital storage with their superior reliability, speed, power efficiency, and compactness, making them more popular than traditional Hard Disk Drives (HDDs). The SSD market is expected to grow significantly, reaching $67 billion by 2028, driven by innovations like Power Loss Protection (PLP) and Power Management Integrated Circuits (PMICs). PLP ensures data integrity during power outages by using capacitors to provide enough energy to save data to the drive’s NAND memory. This prevents data loss by allowing the SSD to complete data transfer to permanent storage before shutting down.

In data centers, PLP is crucial for enterprise storage systems, especially for activities like cloud computing and online transactions. PLP systems, in combination with software protocols, safeguard data by maintaining temporary power during outages, ensuring all data in cache is transferred securely to NAND flash memory. Recent developments in PMICs enhance the SSD’s power delivery, improving both performance and efficiency. These integrated circuits allow for voltage regulation and better power consumption management.

A notable example is Qorvo’s ACT85411 device, which combines PLP capacitors and PMICs in a single chip, reducing design complexity and increasing compactness. The ACT85411 features multiple power management capabilities, including buck, boost, and buck-boost regulators. This innovation ensures reliable SSD operation, even in power loss scenarios, offering businesses a more efficient and cost-effective solution. By integrating PLP and PMIC, modern SSDs are poised to revolutionize enterprise data storage with enhanced performance, energy efficiency, and data security.

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