SM2258 - SATA 6Gb/s TLC SSD Controller | Silicon Motion
N.º da peça: SM2258 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
SM2258 Visão geral
A SATA solid-state drive controller is the interface between a host using the Serial ATA protocol and NAND flash memory. Unlike a conventional HDD controller, an SSD controller manages flash translation, wear leveling, error correction, garbage collection, mapping, and the differences between NAND pages and blocks. In the product hierarchy, SM2258 is a storage controller, SSD controller, interface controller, and semiconductor.
The verified source identifies SM2258 as a high-performance SATA 6Gb/s controller for client SSDs. Its NANDXtend technology is intended to provide comprehensive data protection and improve the endurance and retention of 3D TLC NAND. The controller is described as delivering more than three times the performance of conventional solutions for 3D TLC SSDs, although the supplied excerpt does not provide a standardized test condition for that claim.
The controller supports 3D TLC NAND from major NAND suppliers and uses four channels for parallel flash access. External DDR3 cache can improve host-interface responsiveness and sustained operation. SLC caching accelerates burst workloads by temporarily writing data to SLC regions, while Direct-to-TLC algorithms are intended to reduce the performance penalty associated with writing directly to lower-endurance TLC NAND.
Typical applications include 2.5-inch SATA SSDs, M.2 2280 SATA SSDs, ultrabook storage, tablet storage, and HDD-replacement client drives. The Viking Technology application documents specifically show SM2258-based 2.5-inch and M.2 2280 SATA SSD designs, including external DDR3 cache and SLC caching.
Design integration requires careful validation of the selected NAND, DDR3 devices, firmware, power rails, signal integrity, and SSD qualification. NAND compatibility is not determined solely by the controller name; flash identifiers, timing, channel organization, firmware support, and target SSD workload must all be confirmed with the manufacturer or SSD vendor. The supplied sources do not establish a public pinout, package dimensions, pricing, or lead time, so those values are intentionally not inferred.
Alternativas drop-in para SM2258 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
SM2258XT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SM2258 Especificações
| Product Type | SATA 6Gb/s SSD Controller |
| Host Interface | SATA 6Gb/s |
| NAND Support | 3D triple-level cell (TLC) NAND |
| NAND Channel Count | 4 channels |
| Error Correction | NANDXtend error-correcting code (ECC) technology |
| External Cache | DDR3 external cache |
| Write Optimization | SLC caching |
| Direct Write | Direct-to-TLC algorithm |
| Target Storage Class | Client SSD |
| Target System | HDD replacement |
| Portable Computing | Ultrabooks and tablets |
| Firmware | Merchant ASIC/firmware solution |
| Reference Form Factor | 2.5-inch SATA SSD and M.2 2280 SATA SSD |
| Status RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
Guia de Configuração de Pinos do SM2258 standard
Configuração de pinos para SM2258 (pacote standard). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para SM2258.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
SM2258 é adequado para 6 aplicaçãos: 2.5-inch SATA Client SSD, M.2 2280 SATA SSD, Ultrabook Storage Upgrade, Tablet Storage, HDD Replacement SSD, External SATA SSD.
2.5-inch SATA Client SSD
SM2258 fits a 2.5-inch SATA client SSD where a host expects Serial ATA storage and the design uses 3D TLC NAND. The controller provides a SATA 6Gb/s interface, four NAND channels, external DDR3 cache support, SLC caching, and Direct-to-TLC algorithms. These features target burst responsiveness and sustained writes, while the SSD integrator must validate NAND identifiers, channel population, DRAM compatibility, firmware, power, and enclosure thermals before production.
Recomendado
M.2 2280 SATA SSD
SM2258 is applicable to an M.2 2280 SATA SSD because the verified Viking Technology application document lists the controller in that form factor. The SATA 6Gb/s interface serves host storage requirements, while four NAND channels and 3D TLC support provide the internal flash path. M.2 power limits, thermal throttling, connector compatibility, NAND package layout, and firmware validation remain product-specific engineering checks.
Recomendado
Ultrabook Storage Upgrade
SM2258 can serve as the controller in an ultrabook-oriented client SSD intended to replace or supplement hard-disk storage. Its SATA 6Gb/s interface, TLC NAND support, external DDR3 cache option, and SLC caching are aligned with responsive consumer storage workloads. Power-management behavior, sleep and resume handling, thermals, and qualification must be verified for the exact ultrabook platform rather than inferred from the generic controller brief.
Recomendado
Tablet Storage
SM2258 is positioned for tablet storage applications through its support for client SSDs and 3D TLC NAND. The controller manages the SATA storage path while NANDXtend ECC, SLC caching, and Direct-to-TLC algorithms address data protection and TLC write behavior. Tablet designs impose strict power, size, and thermal constraints, so the finished SSD must be validated for device sleep, battery impact, temperature, shock, and system interoperability.
Recomendado
HDD Replacement SSD
SM2258 is specifically described as a controller for SSDs targeting HDD replacement. SATA 6Gb/s provides the host-facing compatibility path, while four NAND channels and flash-management features support a solid-state alternative to magnetic storage. The performance claim depends on the SSD implementation, NAND capacity, DRAM, firmware, workload, and operating system; benchmarks should be performed using the intended capacity and access pattern.
Recomendado
External SATA SSD
SM2258 can be used in an external SATA SSD enclosure that exposes a Serial ATA interface to a host computer. The controller's flash-management and caching functions remain internal to the SSD, while the enclosure handles USB-to-SATA bridging, power, connector mechanics, and thermal management. Compatibility depends on the enclosure bridge, negotiated SATA speed, power requirements, and the SSD's validated firmware and NAND configuration.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SM2258 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | SM2258XT |
|---|---|---|
| Brand | Silicon Motion Technology Corp. | Silicon Motion Technology Corp. |
Principais diferenciais
- Dedicated client SSD positioning (vs SM2258XT)
- NANDXtend ECC support (vs SM2258XT)
- 3D TLC and four-channel architecture (vs SM2258XT)
- Client SSD optimization features (vs SM2258XT)
Notas de projeto
Validate the complete SM2258 power tree against the selected NAND and DDR3 devices before schematic release. The verified brief does not state the controller's supply voltage, current limits, power states, or decoupling requirements, so those values must come from the manufacturer design package. Place required bulk and high-frequency decoupling at the controller, DRAM, and NAND power domains, then verify voltage tolerance and sequencing with the actual flash and DRAM datasheets.
Treat the SATA interface, NAND channels, and DDR3 bus as separate high-speed design domains. Match trace lengths and provide continuous reference planes according to the controller, NAND, and DRAM interface requirements; the supplied brief does not provide impedance, timing, or via-count limits. Keep the SSD controller, flash packages, and external cache placement consistent with the validated reference design, and reserve test points for firmware initialization and signal debugging.
Do not assume that any controller with a similar name is a drop-in replacement for SM2258. Confirm the exact package, numbered pinout, voltage rails, NAND interface, DDR3 compatibility, channel mapping, and firmware support. NAND identifiers and electrical characteristics must be checked against the SSD vendor's qualified bill of materials, and the finished drive should undergo error, power-loss, thermal, and sustained-write validation.
Measure junction, controller, NAND, and DRAM temperatures in the intended SSD enclosure rather than relying on a generic controller rating. The supplied data does not provide a thermal resistance or operating-temperature specification, so an estimated power calculation would not be decision-grade. Validate cold-start, sustained-write, cache-fill, and worst-case ambient conditions, especially in compact 2.5-inch and M.2 designs where airflow is limited.
Informações de conformidade
The supplied verified sources identify the manufacturer, controller function, interface, NAND support, channels, cache, caching features, and target applications but do not provide compliance declarations.