88SE9235 - 4-Port SATA 6Gbps PCIe 2.0 x2 Controller | Marvell
Артикул: 88SE9235 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
88SE9235 Обзор
A SATA host controller (also called an HBA controller or SATA I/O controller) is a storage interface IC that connects SATA devices such as HDDs, SSDs, and optical drives to a host system over the PCI Express bus. Within the system hierarchy, it sits between the PCIe root complex and the physical SATA ports, handling the Serial ATA protocol stack, command processing, and PHY-layer serialization. The 88SE9235 belongs to Marvell's 88SE92xx family of PCIe-to-SATA controllers.
Key features include four independent SATA ports supporting both 3 Gbps (SATA II) and 6 Gbps (SATA III) link speeds, compliance with the Serial ATA Revision 3.1 specification from the Serial ATA International Organization, and a PCIe 2.0 interface with up to two lanes delivering up to 2 GB/s of aggregate bandwidth toward the host. This makes the device well suited for designs that must connect more SATA ports than a chipset natively provides.
Technically, the integrated PHY, link, and transport layers reduce external component count, while the 55 nm CMOS process keeps power consumption appropriate for embedded and consumer platforms. Marvell positions the 88SE9235 both for embedded platform applications and for HBA vendors who develop their own RAID software or rely on in-box OS drivers, simplifying driver bring-up across Windows and Linux environments.
Typical applications include home NAS and media servers, DVR/NVR video-recording platforms, set-top boxes, and add-in SATA host bus adapter cards requiring four 6 Gbps ports on a single PCIe x2 slot.
When designing with this device, verify that the PCIe 2.0 x2 link bandwidth (up to 2 GB/s raw) is not oversubscribed when all four SATA ports operate at 6 Gbps concurrently; host bandwidth planning is essential for multi-drive RAID workloads.
This page synthesizes distributor pricing channels, family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для 88SE9235 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
88SE9235A1-NAA2C000
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9235A1-NAA2I000
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9235-NAA2
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9230
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9220
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9215
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
88SE9235 Характеристики
| Product Type | PCIe 2.0 to SATA 6 Gbps Host Controller |
| SATA Ports | 4 |
| SATA Link Speed | 1.5 Gbps / 3 Gbps / 6 Gbps |
| SATA Specification Compliance | Serial ATA Revision 3.1 |
| Host Interface | PCI Express 2.0, 2 lanes (x2) |
| Host Interface Bandwidth | Up to 2 GB/s aggregate |
| Process Technology | 55 nm CMOS |
| Package Type | HVQCCN (QFN), 76 terminals, square, no-lead |
| Тип монтажа | Surface Mount |
| Industrial Temperature Grade Variant | 88SE9235A1-NAA2I000 (industrial grade per Vyrian) |
| Typical Applications | NAS/media servers, DVR/NVR, set-top boxes, HBA cards |
Руководство по цоколевке 88SE9235 в корпусе hvqccn (qfn), 76 terminals, square, no-lead
Цоколевка для 88SE9235 (корпус hvqccn (qfn), 76 terminals, square, no-lead). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для 88SE9235.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
88SE9235 подходит для 6 применениеs: Home NAS and Media Servers, DVR and NVR Video Surveillance, Set-Top Boxes, SATA Host Bus Adapter (HBA) Cards, Embedded Storage Upgrades for Industrial PCs, Software RAID Storage Appliances.
Home NAS and Media Servers
The 88SE9235 is explicitly cited by Marvell as a controller for home NAS and media server platforms. Its four independent SATA 6 Gbps ports allow connection of four HDDs or SSDs to a single PCIe 2.0 x2 host link with up to 2 GB/s aggregate bandwidth, which comfortably serves typical multi-drive home storage workloads. In a NAS design, the controller sits between the SoC's PCIe root port and the SATA drive backplane, handling the full Serial ATA Revision 3.1 protocol stack in silicon. Because in-box OS drivers exist, NAS firmware such as Linux-based NAS distributions can enumerate all four ports without vendor driver development. Designers should note the PCIe x2 upstream link is the aggregate bottleneck: four concurrent 6 Gbps streams can exceed it, so burst-heavy workloads favor drive-level queuing strategies or a x4 host configuration.
Рекомендуется
DVR and NVR Video Surveillance
Marvell positions the 88SE9235 directly for DVR/NVR video-recording platforms. Surveillance systems require sustained sequential write bandwidth to multiple drives simultaneously, and the controller's four 6 Gbps SATA ports with SATA Revision 3.1 compliance support modern surveillance-class HDDs at native speed. The PCIe 2.0 x2 upstream interface provides up to 2 GB/s toward the recording host, sufficient for multi-channel HD video ingest distributed across four spindles. The 55 nm CMOS process keeps controller power low, important for always-on recording appliances. Because the part is available in an industrial temperature grade (88SE9235A1-NAA2I000), NVR enclosures with elevated ambient temperatures can use the I000 suffix for extended-range operation. Software RAID on in-box OS drivers is the typical recording-layer implementation, reducing BOM cost by eliminating a discrete RAID ASIC.
Рекомендуется
Set-Top Boxes
The 88SE9235 datasheet lists set-top boxes as a target application, where the controller adds local SATA storage (a 2.5-inch HDD or SSD) alongside the main SoC. In this role the two-lane PCIe 2.0 interface is often wired to only the lanes available on the STB chipset, and one or two of the four SATA ports are populated - the unused ports simply stay unconnected at no cost penalty. The controller's integrated PHY and protocol engine eliminates the need for external SATA PHY components, and its 55 nm CMOS design suits the thermally constrained, fanless environment of a set-top enclosure. Because broadcast recording and timeshifting are single-stream workloads, the 6 Gbps per-port rate far exceeds the sustained write needs of HD streams, giving large margin. In-box driver support simplifies integration with STB middleware stacks.
Рекомендуется
SATA Host Bus Adapter (HBA) Cards
HBA vendors use the 88SE9235 to build PCIe add-in cards that add four SATA 6 Gbps ports to servers, workstations, and desktops. The datasheet notes HBA vendors can either develop their own RAID software or rely on in-box OS drivers, giving two product tiers from one silicon SKU: a value HBA with native AHCI-style operation, or a RAID HBA with proprietary management software. The card design wires the PCIe 2.0 x2 edge-finger interface to the controller and fans out four SATA signal pairs to standard 7-pin connectors; the 76-terminal HVQCCN package with exposed paddle requires a solid ground pour for thermal dissipation. At full fan-out, the PCIe x2 link (2 GB/s) is the shared bottleneck versus 4 x 6 Gbps (2.4 GB/s) of SATA bandwidth, so marketing specs and firmware should account for this oversubscription.
Рекомендуется
Embedded Storage Upgrades for Industrial PCs
Industrial PC and edge-compute platforms frequently need more SATA ports than the chipset provides for logging, database, or video-retention storage. The 88SE9235 in its industrial temperature grade (88SE9235A1-NAA2I000, per distributor Vyrian data) addresses this: the same 76-terminal HVQCCN no-lead package and die as the commercial version, qualified for extended ambient ranges typical of factory-floor and outdoor cabinets. The controller attaches via the platform's PCIe 2.0 x2 slot or an onboard PCIe link and exposes four SATA Revision 3.1 ports. In-box OS driver support is decisive in industrial settings where long-lived OS images cannot accept vendor driver updates. Designers should verify the platform's PCIe lane budget and confirm the no-lead QFN reflow profile on high-reliability assembly lines, since QFN paddle voiding affects both grounding and thermal margins.
Рекомендуется
Software RAID Storage Appliances
Marvell's datasheet explicitly supports HBA vendors developing their own RAID software on the 88SE9235, making it a fit for software-defined storage appliances built on Linux md-raid, ZFS, or Windows Storage Spaces. Four SATA 6 Gbps ports per controller let a single PCIe x2 slot scale to four drives, and multiple 88SE9235 devices can be cascaded on wider PCIe switches for 8- or 16-bay appliances. The SATA Revision 3.1 compliance ensures compatibility with modern SSDs for cache tiers alongside HDD capacity tiers. Because the host link tops out near 2 GB/s per device, appliance firmware should stripe across controllers rather than oversubscribing one 88SE9235 for maximum throughput. No external RAID ASIC is needed - the host CPU performs parity computation, which the 55 nm controller's standard AHCI-class command interface supports directly through in-box drivers.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для 88SE9235 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 88SE9235A1-NAA2C000 | 88SE9235A1-NAA2I000 | 88SE9230 | 88SE9220 | 88SE9215 |
|---|---|---|---|---|---|---|
| Brand | Marvell | Marvell | Marvell | Marvell | Marvell | Marvell |
| Max SATA Link Speed | 6 Gbps (SATA Revision 3.1) | 6 Gbps | 6 Gbps | 6 Gbps (same family) | 6 Gbps (same family) | 6 Gbps (same family) |
| Target Applications | NAS/media server, DVR/NVR, STB, HBA | Same (same die) | Same + industrial | Same family platforms | Same family platforms | Same family platforms |
Ключевые отличия
- Four SATA 6 Gbps ports on one chip (против 88SE9215)
- Industrial temperature grade available with identical footprint (против 88SE9235A1-NAA2C000)
- In-box OS driver support reduces software cost (против proprietary RAID ASICs)
Заметки по проектированию
The 88SE9235 uses a 76-terminal HVQCCN (QFN) no-lead package with an exposed paddle. The paddle must be soldered to a grounded PCB pad - use a patterned solder-mask-defined opening with multiple thermal vias (typically a 1.0-1.2 mm grid) to the ground plane for both electrical return and heat spreading. QFN paddle voiding during reflow is a common reliability pitfall; follow the IPC-recommended via fill and stencil apertures for no-lead packages and verify with X-ray on first articles.
Four SATA 6 Gbps differential pairs and two PCIe 2.0 lanes must meet 100-ohm controlled-impedance differential routing. Keep SATA pairs length-matched within 5 mils intra-pair and route them away from clock sources; SATA 6 Gbps has a rise time that makes stubs longer than ~100 mils reflective. Per the Marvell datasheet layout guidance, reference continuous ground planes and avoid splitting the reference plane under high-speed pairs. AC-coupling capacitors should be placed per the reference schematic in the datasheet's typical application section.
Bandwidth planning: the PCIe 2.0 x2 upstream link provides up to 2 GB/s raw bandwidth, while four SATA 6 Gbps ports theoretically offer 2.4 GB/s combined. Designs assuming full 6 Gbps on all ports simultaneously will be link-limited. Verify with Marvell that the specific 88SE9235 ordering suffix (C000 commercial vs I000 industrial) matches your temperature requirements before releasing the BOM, and confirm current lifecycle status with your distributor, as mature products can move to not-recommended-for-new-designs status without datasheet change.
Информация о соответствии
Compliance status was not stated in the retrieved web data; obtain RoHS/REACH certificates from Marvell or the franchised distributor before order commitment.
