IG5208 - PCIe Gen3 x2 NVMe SSD Controller | InnoGrit
MPN： IG5208 ✗ 停產IG5208 概覽
An SSD controller is the semiconductor core inside an NVMe solid-state drive. It connects a host interface to NAND flash, manages logical-to-physical address translation, coordinates data transfers, and implements flash error correction and wear-management functions. The IG5208 belongs to the PCIe storage-controller hierarchy and targets M.2 and BGA SSD form factors.
Key verified features include a PCIe Gen3 x2 host interface, NVMe 1.3 support, capacity up to 2 TB, four flash channels, and a DRAM-less architecture using HMB. Its lack of dedicated DRAM reduces bill-of-materials cost, but HMB availability depends on host support and system behavior. The supplied data does not specify NAND types, ECC details, endurance, power consumption, package dimensions, pin count, operating temperature, or lifecycle status.
Typical uses include client SSDs, M.2 NVMe modules, embedded storage, and cost-focused systems requiring PCIe 3.0 x2 connectivity. The controller's four-channel NAND organization is intended to support high storage capacity while maintaining a compact SSD design. Firmware, NAND qualification, thermal validation, and PCB signal-integrity work remain essential parts of a successful IG5208-based product.
For designs using IG5208, validate the exact NAND interface, PCIe lane routing, power sequencing, thermal profile, and HMB behavior with the manufacturer. The supplied overview does not expose a complete electrical datasheet or package pinout, so those implementation details should be obtained directly from InnoGrit before layout release. This page summarizes verified source information and clearly separates unavailable parameters from confirmed specifications.
直接替換替代品，適用於 IG5208 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此產品無可直接替換的替代品。
申請替代品IG5208 最大額定值與電氣特性
| Product Type | PCIe Gen3 x2 NVMe 1.3 SSD controller |
| Host Interface | PCIe Gen3 x2 |
| Storage Protocol | NVMe 1.3 |
| Maximum Capacity | Up to 2 TB |
| Flash Channels | 4 |
| Architecture | DRAM-less |
| Host Memory Buffer | Supported |
| Sequential Read Performance | 1750 MB/s |
| Sequential Write Performance | 1500 MB/s |
| Target Form Factors | M.2 and BGA SSDs |
| Manufacturer Product Family | Shasta |
| PCI Vendor ID | 1DBE |
| PCI Device ID | 5208 |
| RoHS 狀態 | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
IG5208 standard 腳位配置指南
IG5208（standard 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： IG5208.
請參閱 資料表 以查看完整腳位配置。
典型應用
IG5208 適用於 6 應用s: Client PCIe NVMe SSD, M.2 NVMe Storage Module, Embedded PCIe Storage, Cost-Optimized BGA SSD, High-Speed Storage Platform, Portable Computing Storage.
Client PCIe NVMe SSD
The IG5208 fits cost-sensitive client SSD designs that require PCIe Gen3 x2 connectivity and NVMe 1.3 support. Its four flash channels and capacity of up to 2 TB provide a suitable platform for mainstream solid-state storage, while the DRAM-less HMB architecture removes a dedicated external DRAM component from the bill of materials. The reported sequential limits of 1750 MB/s read and 1500 MB/s write indicate a high-speed PCIe 3.0 storage target, although real results depend on NAND selection and firmware. Engineers must qualify the complete controller, NAND, firmware, and thermal design before production.
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M.2 NVMe Storage Module
The IG5208 is suitable for an M.2 NVMe storage module when the host supports PCIe Gen3 x2 and the module design is validated with the controller's supported NAND organization. Its NVMe 1.3 protocol and reported 1750 MB/s sequential read capability align with high-performance client storage. HMB can reduce the need for dedicated DRAM, but host operating-system behavior and firmware must be checked because buffering performance may vary with system memory pressure. Package, power, and signal-integrity details are not supplied and must be obtained before PCB layout.
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Embedded PCIe Storage
The IG5208 can serve as the controller in an embedded PCIe storage design when the system requires NVMe 1.3, a two-lane PCIe interface, and a cost-sensitive architecture. Its DRAM-less HMB implementation may be useful in embedded systems where adding a separate DRAM cache would increase cost or board complexity. However, embedded hosts must provide predictable memory access for HMB, and the complete design must satisfy the controller's power, thermal, firmware, and NAND requirements. The verified data does not establish operating-temperature limits, endurance, or long-term lifecycle status.
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Cost-Optimized BGA SSD
The IG5208 is applicable to a cost-optimized BGA SSD platform targeting capacities up to 2 TB. The source material specifically identifies the Shasta family with BGA SSD form factors, while the four-channel NAND organization supports a structured flash architecture. The DRAM-less HMB design can reduce external memory cost, but BGA substrate routing and thermal performance are sensitive to package geometry and power integrity. Since no package drawing, pinout, NAND interface, or thermal limits are included in the verified data, the controller must be used only with manufacturer-approved reference designs and complete qualification.
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High-Speed Storage Platform
The IG5208 can form the basis of a high-speed PCIe 3.0 storage platform using its Gen3 x2 interface and reported sequential throughput of 1750 MB/s read and 1500 MB/s write. The architecture is intended to deliver useful performance while eliminating dedicated DRAM through HMB. To realize those figures consistently, the SSD must use an appropriate NAND configuration, valid firmware, proper queueing behavior, and a host system with sufficient PCIe and storage-driver support. Thermal throttling, flash quality, workload type, and firmware tuning can change observed performance.
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Portable Computing Storage
The IG5208 may be used in portable computing products that require a compact NVMe SSD controller with PCIe Gen3 x2 connectivity. The DRAM-less HMB architecture can lower component cost and reduce the memory content of the storage design, which is useful in space- and cost-sensitive systems. Suitability for a particular notebook or tablet still depends on power limits, thermal conditions, host HMB support, firmware compatibility, and the selected NAND package. Those implementation details are not supplied in the verified sources and must be validated experimentally before product release.
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工程參考資料，適用於 IG5208 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 |
|---|---|
| Brand | InnoGrit |
| PCIe Interface | PCIe Gen3 x2 |
| NVMe Version | NVMe 1.3 |
| Maximum Capacity | Up to 2 TB |
| Flash Channels | 4 |
| Architecture | DRAM-less |
| Host Memory Buffer | Supported |
| Sequential Read Performance | 1750 MB/s |
| Sequential Write Performance | 1500 MB/s |
| Target SSD Form Factors | M.2 and BGA SSDs |
| PCI Vendor ID | 1DBE |
| PCI Device ID | 5208 |
主要差異化特點
- DRAM-less architecture with HMB support (對比Any external-DRAM NVMe controller)
- PCIe Gen3 x2 host interface (對比SATA SSD controllers)
- Four flash channels (對比Single-channel or two-channel SSD controllers)
- Reported sequential throughput (對比Lower-speed PCIe SSD controllers)
- M.2 and BGA SSD positioning (對比Controllers limited to one SSD form factor)
設計說明
Do not begin PCB power planning from the public overview alone. Obtain the IG5208 electrical specification and reference design to identify every supply rail, sequencing requirement, current limit, decoupling target, and power-state transition. Verify the design with worst-case NAND activity and host recovery conditions rather than relying on nominal controller specifications.
Treat the PCIe Gen3 x2 interface and NAND channels as high-speed routed structures. Use the manufacturer's controlled reference layout, differential-impedance guidance, return-path planning, and package escape guidance when available. Because the supplied data does not identify the package or pinout, PCB placement must not be inferred from public overview material.
Validate thermal performance with the selected NAND, SSD enclosure, airflow or conduction path, and expected workload. The reported 1750 MB/s read and 1500 MB/s write figures do not establish sustained thermal limits. Measure controller and NAND temperatures during sequential and random workloads, then confirm that the chosen enclosure does not cause unacceptable throttling or reliability degradation.
Do not assume that a controller with the same NVMe version is interchangeable. SSD controllers differ in package, NAND interface, firmware behavior, security features, endurance management, and power requirements. Confirm all of those items with InnoGrit and complete SSD validation before changing controller suppliers.
Plan the PCB around the exact NAND packages and SSD form factor selected for the product. The four-channel architecture and HMB feature do not specify which NAND packages are supported. Use the latest manufacturer reference design and package documentation to determine fanout, layer transitions, grounding, thermal pads, and connector or BGA escape requirements.
合規資訊
The supplied verified web data does not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. The product is an SSD controller rather than an automotive-qualified component in the supplied evidence, so AEC-Q100 is recorded as not_applicable only for the provided classification.