YS9085N - SATA 3.2 SSD Controller | 2CH 4CE | Yeestor
料号： YS9085N ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.65 | $16.50 |
| 100 | $1.42 | $142.00 |
| 500 | $1.21 | $605.00 |
| 1,000 | $1.05 | $1,050.00 |
| 3,000 | $0.92 | $2,760.00 |
YS9085N 概述
A solid-state drive controller (often abbreviated SSD controller) is the central application-specific integrated circuit (ASIC) inside an SSD that bridges the host interface (SATA, PCIe/NVMe, or USB) to the NAND flash array. It runs the Flash Translation Layer (FTL), performs bad-block management, wear-leveling, garbage collection, and executes the LDPC or BCH error-correction algorithms that compensate for the raw bit-error-rate of MLC/TLC/QLC NAND. Controllers sit at the top of the storage-device hierarchy: SSD -> NAND flash array -> SSD controller + DRAM cache + PCB.
Key features of the YS9085N include 2K LDPC hardware engine, 2-channel / 4-CE-per-channel NAND interface, AES-256 hardware encryption support (per family datasheet description), and a small external DRAM footprint for FTL mapping tables. The device integrates a SATA 3.2 physical layer plus the transport-layer engine, eliminating the need for an external SATA bridge. Operating from a single 1.2 V core rail and a 3.3 V I/O rail, the YS9085N targets low-cost 2.5-inch, mSATA, M.2, and BGA-SSD form factors.
The YS9085N uses an embedded 32-bit RISC controller core for FTL housekeeping, paired with a dedicated LDPC accelerator and DMA engines for NAND access. According to the family datasheet the controller supports 2K-page LDPC, hardware AES engine, and ONFI/Toggle NAND interfaces, yielding sequential performance in the 550/510 MB/s read/write class. Power consumption is governed by partial NAND-channel power gating when channels are idle.
Typical applications include 2.5" SATA SSDs (240 GB - 1 TB capacity range), M.2 2280 mainstream SSDs, Slim SATA SSDs for industrial PCs, mSATA modules for embedded motherboards, and BGA-SSD modules (11.5 mm × 13 mm) for ultra-compact tablets and embedded systems. It is widely deployed in entry-level consumer SSDs such as the Rise Mode Gamer Line 240 GB reference design.
When designing with the YS9085N, plan a 4-layer PCB with a continuous ground plane under the BGA to manage the simultaneous-switching noise of 2 NAND channels. Use 1.2 V core and 3.3 V I/O rails with bulk ceramic decoupling within 5 mm of the BGA balls. Validate the firmware (MPTool) and reference firmware images against the specific NAND part used before mass-production, because the LDPC parameters are NAND-vendor specific.
This page consolidates distributor pricing, drop-in alternatives within the YS9082 family, and practical design notes that go beyond the manufacturer datasheet summary, including reference design pointers and firmware-tool references engineers need for SSD bring-up.
直接替换替代料： YS9085N ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： YS9085N （相同外形与封装尺寸） ——差异在于 Host Interface, Manufacturer, NAND Channels, Package, Product Type.
快速对比工具——选择替代料号进行并排对比：
YS9082HP
✅ 直接替换📋 参考替代料（不在目录中）
YS9082HT
✅ 直接替换📋 参考替代料（不在目录中）
YS9082HC
✅ 直接替换✓ 有现货
$3.85 / 个
查看数据手册 →YS9085N+MPTOOL
✅ 直接替换📋 参考替代料（不在目录中）
MPTOOL+YS9085N+HYNIX
✅ 直接替换📋 参考替代料（不在目录中）
YS9085N 最大额定值与电气特性
| Product Type | SATA 3.2 SSD Controller IC (ASIC) |
| Host Interface | SATA 3.2 (SATA 6 Gb/s), backward compatible with SATA 3 Gb/s and SATA 1.5 Gb/s |
| NAND Channels | 2 channels |
| Chip Enables per Channel | 4 CE/CH (total 8 CE) |
| Sequential Read (max) | 550 MB/s |
| Sequential Write (max) | 510 MB/s |
| ECC / Error Correction | 2K LDPC hardware engine |
| Supported NAND Types | MLC / TLC / 3D NAND, ONFI and Toggle mode |
| Core Logic Voltage | 1.2 V (typical) |
| I/O Voltage | 3.3 V (typical) |
| Encryption Support | AES-256 hardware engine (per family datasheet) |
| 封装 | BGA (chip-scale, exact ball-out see datasheet) |
| Compliance | SATA 3.2 specification |
| Typical Applications | 2.5" SATA SSD, M.2 SATA SSD, mSATA, Slim SATA, BGA SSD |
| Manufacturer | Yeestor Microelectronics (得一微) |
YS9085N bga (chip-scale, exact ball-out see datasheet) 引脚配置指南
YS9085N（bga (chip-scale, exact ball-out see datasheet) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： YS9085N.
请参阅 数据手册 以查看完整引脚配置。
典型应用
YS9085N 适用于 6 应用s: 2.5" SATA SSD (240 GB-512 GB), M.2 SATA 2280 SSD, mSATA SSD for Industrial PCs, BGA-SSD Module for Tablets, Slim SATA SSD for Set-Top Boxes, Entry-Level Consumer Gaming SSDs.
2.5" SATA SSD (240 GB-512 GB)
The YS9085N's 2-channel / 4-CE-per-channel interface is well matched to mainstream 2.5" SATA SSDs in the 240 GB to 512 GB range, where a single NAND package (one CE channel) per data line keeps the PCB simple and BOM cost low. The 2K LDPC engine sustains 510 MB/s sequential write, which is exactly what the SATA 6 Gb/s link can carry, making the controller an efficient host-of-record for TLC and 3D NAND. Power consumption benefits from per-channel power gating when idle, helping the SSD meet L1.2 low-power SATA requirements for laptop storage. Reference designs typically pair the YS9085N with 4 TSOP/BGA NAND packages plus a small DDR/DDR2/DDR3 DRAM for FTL mapping.
推荐
M.2 SATA 2280 SSD
The YS9085N is suitable for the M.2 SATA 2280 form-factor, which connects to the host via a SATA 6 Gb/s lane in the M.2 B- or B+M-key connector. The controller's small BGA footprint fits the 22 mm wide M.2 envelope, and 2 channels are sufficient to populate 4 NAND packages under the 2280 length budget. Sequential read performance of 550 MB/s and write of 510 MB/s match the headline rating of mainstream M.2 SATA drives such as the Kingston A400 class. Thermal output remains modest because the host-side SATA link is intrinsically power-capped at the M.2 connector, so channel gating keeps the controller within the M.2 thermal envelope under most workloads.
推荐
mSATA SSD for Industrial PCs
mSATA SSDs in embedded industrial PCs benefit from the YS9085N's combination of SATA 6 Gb/s throughput and a small PCB footprint compatible with the half-size mSATA form factor. Industrial environments demand stable operation across wide temperatures, and the YS9085N's LDPC engine provides the error-correction headroom needed for 3D TLC at high endurance workloads (for example, journaling filesystems typical of IPCs). Reference firmwares from Yeestor are tested against industrial-grade NAND from Hynix and Kioxia, which simplifies the validation cycle for IPC OEMs that need long-lifecycle parts. The part also supports AES-256 hardware encryption, enabling TCG Opal self-encrypting drives for industrial data security.
推荐
BGA-SSD Module for Tablets
BGA-SSD modules (11.5 mm × 13 mm) built around the YS9085N fit directly on the motherboard of compact tablets and embedded systems, replacing a removable SSD to save space. The Yeestor BGA SSD reference design uses the YS9085N paired with embedded NAND packages and a small DRAM to deliver 240 GB-class storage in a footprint smaller than a microSD card reader. Sequential performance is identical to the 2.5" variant (550/510 MB/s read/write), because the SATA link bandwidth is the same. Power consumption in idle is critical here, and the controller's power gating helps meet tablet standby targets.
推荐
Slim SATA SSD for Set-Top Boxes
Slim SATA SSDs built with the YS9085N slot directly into slim DVD-style bays in set-top boxes, mini-PCs and industrial media players. The 2-channel topology is sufficient for the 128 GB to 512 GB capacity range typical in these systems, and the controller's small footprint avoids disturbing the slim SATA bay's z-height budget. The 2K LDPC engine provides the reliability margin needed for write-intensive media recording workloads in PVR-style applications. Reference designs pair the YS9085N with low-power DDR3 DRAM to keep total Slim SATA card power within the 5 V / 0.5 A envelope mandated by the Slim SATA connector.
推荐
Entry-Level Consumer Gaming SSDs
Entry-level consumer gaming SSDs such as the Rise Mode Gamer Line 240 GB reference design use the YS9085N for its balance of SATA 6 Gb/s throughput and low BOM cost. The LDPC engine keeps random read latency near the SATA link budget, which matters when streaming game assets. The 2-channel design at 240 GB matches single-package NAND stacking (e.g. 4 CE on a single die stack), so total controller cost per gigabyte stays competitive at the entry level. AES-256 is not enabled in most consumer firmwares, but the hardware is on-die for upgrades.
推荐
推荐产品汇总
工程参考数据： YS9085N ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | YS9082HP | YS9082HT | YS9082HC | YS9085N+MPTOOL |
|---|---|---|---|---|---|
| Brand | Yeestor | Yeestor | Yeestor | Yeestor | Yeestor |
| Package | BGA (chip-scale) | BGA (chip-scale, 4CH family) | BGA (chip-scale, 4CH family) | BGA (chip-scale, 4CH family) | BGA (chip-scale, same silicon as YS9085N) |
| NAND Channels | 2 channels | 4 channels | 4 channels | 4 channels | 2 channels |
| ECC | 2K LDPC | 2K LDPC (per family datasheet) | 2K LDPC (per family datasheet) | 2K LDPC (per family datasheet) | 2K LDPC |
| NAND Interface Voltage | 3.3 V | 3.3 V | 3.3 V | 1.8 V | 3.3 V |
| Bundled Firmware | Reference (separate) | Reference (separate) | Reference (separate) | Reference (separate) | MPTools firmware bundled |
关键差异点
- Highest sequential performance available in 2-channel SATA 3.2 controller class from Yeestor （对比 YS9082HP)
- Best cost-per-GB for low-capacity SATA SSDs （对比 YS9082HT)
- Identical silicon with bundled firmware in MPTOOL SKUs （对比 YS9085N+MPTOOL)
- 3.3 V NAND interface suited to most mainstream 3D TLC （对比 YS9082HC)
设计说明
Estimated: With the 1.2 V core rail and a SATA 6 Gb/s link saturating 2 NAND channels, the YS9085N dissipates roughly 0.9-1.1 W under sequential write. On a standard 4-layer JEDEC PCB with the BGA centered over a continuous ground island, theta_JA is approximately 45 C/W, yielding a 40-50 C rise above ambient. Provide a thermal pad underneath the BGA connected to the inner ground plane to keep junction temperature below 105 C for consumer-grade NAND.
Use a 4-layer PCB with a continuous ground plane under the BGA. Series-dampen the SATA TX/RX pairs with the AC-coupling capacitors specified by SATA 3.2 (10 nF), place the 1.2 V and 3.3 V bulk ceramic decoupling within 5 mm of the BGA balls, and route the NAND channels as 50-ohm impedance-controlled traces with length matching per byte lane (<200 mil skew). Use the same VIA-in-pad strategy as the Yeestor reference design to keep the BGA escape region quiet.
Do not assume the YS9085N firmware is portable across NAND vendors: each NAND part number requires a specific LDPC parameter set in MPTools. Mixing firmware profiles from one NAND vendor with a different physical NAND causes uncorrectable UECC errors at sustained write. Always re-validate against the freshly procured NAND by running the Yeestor validation scripts in MPTools before mass-production.
Estimated: SATA 6 Gb/s TX eyes are sensitive to common-mode choke selection and PCB stack-up. Reference the Yeestor 2.5-inch SSD reference design (available on request from Yeestor FAE) for the SATA common-mode choke and series-capacitor part numbers; substituting generic 0805 capacitors can introduce 3 dB of jitter and fail SATA U1 compliance. Keep the SATA differential pair length-matched to <5 mil skew, and add the 100 nF differential-to-common-mode bypass exactly as shown in the reference.
合规信息
Compliance data not present in the verified web data; compliance status to be confirmed with Yeestor direct. AEC-Q100 is not applicable because the YS9085N is a controller IC rather than an analog/power device, and SSD controllers typically follow JEDEC industrial temperature grades rather than AEC-Q100.
