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Selecting the Right Electronic Components for Your SSD
In today's era of explosive data growth, consumer-grade SSDs have reached sequential read speeds exceeding 7000 MB/s, while enterprise-grade SSDs surpass a staggering 10 GB/s. These advancements power the efficient operation of data centers, real-time data processing in smart vehicles, and rapid iteration of AI models. As the new generation of storage media, SSDs are gaining favor in the data storage field for their high speed, stability, and energy efficiency.
The key components of an SSD include the controller, NAND flash, DRAM cache, and PMIC (Power Management Integrated Circuit). These components are susceptible to environmental disturbances such as temperature and humidity fluctuations, mechanical vibrations, and electronic noise. These factors can lead to increased read/write latency, higher error rates, abnormal power loss, and even shortened lifespan. To address these challenges, Eaton continuously optimizes its electronic components to ensure reliable and stable data transmission and storage, enhancing the overall read/write experience.
SSD Controller
The SSD controller manages the data flow in and out of storage cells. A stable and consistent signal source is essential for efficiently processing multiple I/O requests, avoiding delays or bottlenecks. Eaton’s quartz crystal resonators provide precise and stable clock frequencies, ensuring accurate synchronization during the data read/write process.
PMIC Power Management
In PMIC power management, Eaton's quartz crystal resonators can adjust oscillation frequency and amplitude, helping SSDs maintain low power consumption during operation, reducing overall energy use, and extending lifespan.
Overcurrent and Overvoltage Protection
Eaton offers overcurrent and overvoltage protection products such as multilayer varistors and transient voltage suppressor (TVS) diodes. These components protect SSDs from power surges and voltage spikes, preserving the integrity of stored data.
Backup Power for SSDs
Eaton’s button-type supercapacitors can serve as backup power for the clock, providing power to the real-time clock module during power outages and maintaining time continuity. They also offer power loss protection (PLP) for PMIC chips, ensuring complete data transmission during unexpected power loss by maintaining voltage levels.
Power Inductors
Eaton’s molded and semi-shielded power inductors can be used in PMIC chips for buck converters, ensuring stable voltage supply and helping to suppress noise in power circuits.
Specific Components for SSD Protection and Performance:
A. Input Current Protection:
· PTSLR SMD Resettable Fuse
o Low resistance: 1 mΩ
o Fast trip time
o Available in five sizes: 0603, 0805, 1206, 1210, and 1812
o Hold current range: 0.5 A to 7.5 A
o Breaking current up to 50 A at 8 Vdc
B. ESD Protection:
TVS Diode - ESD Suppressor
o Bidirectional, single-line device, flexible placement
o Available in discrete and array packages
o Low capacitance, suitable for high-speed transient voltage protection
o Voltage range: 3.3 V to 70 V
o Nanosecond-level fast response time
o Solid silicon avalanche technology
TVS Diode - High Power
o Operating voltage rating up to 450 Vdc
o Available in radial, through-hole, and SMD packages
o Surge current protection up to 10 kA
o Automotive-grade products meet ISO 16750 5a and 5b load dump ratings
C. Overvoltage Protection for Data Lines:
MLV Multilayer Varistor
o Various EIA sizes from 0201 (0603 metric) to 4032 (10280 metric)
o Rated voltage: 5.5 Vdc to 200 Vdc
o Capacitance as low as 0.5 pF
PolySurg ESD Protection Device
o Ultra-low capacitance of 0.05 pF and nanosecond fast response
o Single-line and array options
o Protects power electronics in the low-frequency range and high-speed data lines in MHz and GHz communication systems
D. Buck Converter Inductors:
HCM1A High Current Molded Inductor
o Magnetically shielded, low EMI
o SMT package sizes from 5 mm to 17 mm
o Inductance range up to 100 μH
o High current handling, rated current up to 100 A
o Good thermal dissipation, high temperature tolerance
o AEC-Q200 qualified
HCM1AV2 High Current Molded Inductor
o SMT package sizes from 4.0 mm to 22.0 mm
o Low EMI, low core loss, good temperature stability
o Inductance range: 0.1 μH to 100 μH
o AEC-Q200 qualified
MPIA Compact High Power Density Shielded Inductor
o High current handling, current range from 1.2 A to 22 A
o Good heat dissipation, wide operating temperature range: -55 °C to +125 °C
o Magnetically shielded, low EMI, low core loss
o Inductance range from 0.1 μH to 22 μH
o AEC-Q200 qualified
SDCL1V Semi-Shielded Inductor
o High current capacity
o Ferrite core structure, high power density, low core loss
o High Irms, high Isat, low DCR
o Inductance values from 0.33 μH to 470 μH
o Medium to low height (1 mm to 3 mm) for greater design flexibility
o Wide operating temperature range: -40 °C to +125 °C
E. Power Loss Protection (PLP):
Supercapacitors---KR/KVR and KW/KVW Button Supercapacitors
o Capacitance range: 0.1 F to 1.5 F, operating voltage up to 5.5 V
o Operating temperature range up to 85 °C
o Ideal for real-time clock backup and battery replacement
o Available in horizontal, vertical, and cylindrical mounting configurations
F. SSD Controller/PMIC:
Quartz Crystal Resonators
o Excellent piezoelectric characteristics
o E3X frequency range: 12 MHz to 54 MHz; E9X frequency range: 16 MHz to 60 MHz
o Compact sizes: 0806 (2016 metric) and 1210 (3225 metric)
o Wide operating temperature range: -40 °C to +85 °C (automotive-grade: -40 °C to +125 °C)
o Customizable
o RoHS compliant and lead-free solder compatible
By carefully selecting these components, you can enhance the reliability, performance, and longevity of your SSDs, ensuring they meet the demanding requirements of modern data storage applications.
New industry Technology regarding to Bussmann fuse, ABB breakers, Amphenol connectors, HPS transformers, etc.
TAG: SSD Supercapacitors Inductor Multilayer Varistor