TUSB9261PVP - 5Gbps USB 3.0 to SATA Bridge | Texas Instruments
料号： TUSB9261PVP ✓ 量产中TUSB9261PVP 概述
A USB-to-SATA bridge is an interface controller that translates commands and data between USB and the Serial ATA protocol. Its place in the product hierarchy is USB interface bridge, then interface IC, then semiconductor. TUSB9261PVP provides the hardware and firmware needed to implement a USB Attached SCSI Protocol, or UASP, compliant mass-storage device. It can therefore connect external HDD, SSD, and optical-drive interfaces to a USB 3.0 host while preserving a native bridge-oriented architecture.
The TUSB9261PVP combines a 5 Gbps USB 3.0 interface with support for both 1.5 Gbps and 3.0 Gbps SATA devices. Its operating supply range is 3 V to 3.6 V, and the integrated ARM Cortex-M3 microcontroller provides programmable control for the bridge function. The device is intended for storage applications that require higher transfer rates than USB 2.0 can provide while maintaining compatibility with multiple SATA generations.
Technical differentiation is primarily functional rather than a simple electrical upgrade. A USB-to-SATA bridge handles protocol translation, command handling, device detection, and data transfer between a USB host and SATA storage media. Supporting both SATA 1.5 Gbps and SATA 3.0 Gbps allows one bridge design to cover legacy and higher-speed SATA devices. The 64-lead HTQFP package also provides a substantial pin count for high-speed interfaces, power connections, control signals, and configuration functions.
Typical applications include external HDD enclosures, external SSD adapters, USB 3.0 storage docks, optical-drive bridges, portable storage accessories, and industrial storage systems that connect a SATA-compatible device to a USB 3.0 host. The UASP capability is especially relevant to systems intended to reduce command-processing overhead through a standards-based mass-storage protocol.
PCB design should prioritize short, impedance-controlled routing for USB and SATA differential pairs, solid return paths, careful separation between high-speed and sensitive signals, and power-plane integrity near the bridge. Use the pin-description and layout guidance in the manufacturer datasheet when assigning tracks, and follow its recommended input and output capacitor network.
This page combines the manufacturer interface description with package information, application guidance, comparison criteria, and practical PCB recommendations. It is intended to help engineers identify the correct bridge, confirm protocol compatibility, and plan a USB 3.0-to-SATA storage design before schematic capture and layout.
直接替换替代料： TUSB9261PVP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
TUSB9261IPVP
✅ 直接替换📋 参考替代料（不在目录中）
TUSB9261PVP 规格参数
| Product Type | USB 3.0 to Serial ATA bridge |
| USB Interface Generation | Second-generation SuperSpeed USB |
| Maximum USB Data Rate | 5 Gbps |
| Supported SATA Data Rates | 1.5 Gbps or 3.0 Gbps |
| Controller Core | ARM Cortex-M3 microcontroller |
| Mass Storage Protocol | USB Attached SCSI Protocol (UASP) |
| 工作电源电压 | 3 V to 3.6 V |
| Package Type | 64-lead HTQFP |
| Package Body Size | 7 mm x 7 mm |
| Supported Media | HDD, SSD, optical drive, and compatible SATA device |
| 安装类型 | Surface mount |
| 引脚数量 | 64 leads |
| Maximum USB Data Rate | 5 Gbps |
| Internal Firmware | Required for UASP-compliant mass-storage implementation |
TUSB9261PVP 7 mm x 7 mm 引脚配置指南
TUSB9261PVP（7 mm x 7 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TUSB9261PVP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TUSB9261PVP 适用于 6 应用s: External SSD Enclosures, External HDD Enclosures, USB 3.0 Storage Docks, Optical Drive USB Bridges, Portable Storage Accessories, Industrial Storage Gateways.
External SSD Enclosures
The TUSB9261PVP fits an external SSD enclosure that must expose a SATA 3.0 Gbps solid-state drive through a USB 3.0 host connection. Its 5 Gbps USB interface provides a suitable SuperSpeed path, while the controller's support for SATA 1.5 Gbps and 3.0 Gbps devices allows one bridge platform to cover different installed-drive capabilities. The device also supplies hardware and firmware for a UASP-compliant mass-storage implementation. Designers should use the manufacturer application schematic to implement the 3 V to 3.6 V supply network, USB and SATA differential routing, firmware configuration, and connector protection. The result is a compact storage adapter that avoids presenting the SSD as a legacy USB mass-storage device.
推荐
External HDD Enclosures
TUSB9261PVP is appropriate for an external hard-disk-drive enclosure requiring a USB 3.0 host interface and SATA device compatibility. The bridge can operate with compatible drives at 1.5 Gbps or 3.0 Gbps, making it useful where the enclosure must accommodate different SATA generations. Its ARM Cortex-M3-based architecture provides the programmable control core required for protocol translation and device management. In a practical design, USB 3.0 and SATA pairs should be routed as controlled-impedance, length-matched interconnects with continuous reference planes. The manufacturer datasheet should guide power decoupling, SSD or HDD power sequencing, connector placement, and the exact capacitor configuration around the bridge.
推荐
USB 3.0 Storage Docks
A multi-bay or removable-media storage dock can use TUSB9261PVP to connect a compatible SATA device to a USB 3.0 host. The bridge's 5 Gbps USB capability is appropriate for dock designs intended to provide faster storage access than USB 2.0. Because the controller supports both SATA 1.5 Gbps and SATA 3.0 Gbps media, it can also simplify enclosure compatibility across a broader installed-device base. The UASP-oriented hardware and firmware provide the basis for a standards-based mass-storage interface. Dock implementation must account for the bridge's 3 V to 3.6 V operating range, the power requirements of the attached disk, insertion detection, and high-speed connector placement. Follow the manufacturer layout guidance to keep USB and SATA routing away from switching-power and drive-power regions.
推荐
Optical Drive USB Bridges
The TUSB9261PVP can bridge a compatible SATA optical drive to a USB 3.0 bus, as identified in the Texas Instruments product description. This application is useful for preserving access to legacy optical media through a modern host interface while taking advantage of the bridge's 5 Gbps USB connection. SATA 1.5 Gbps and 3.0 Gbps support broadens compatibility with compatible optical-device implementations. Because optical drives can draw meaningful power and contain moving mechanisms, the enclosure design must separate mechanical requirements from the high-speed PCB layout. Place the bridge and its decoupling close to the power entry and connector region, maintain short return paths, and apply the datasheet's recommended USB and SATA routing and capacitor arrangements.
推荐
Portable Storage Accessories
TUSB9261PVP is suitable for portable storage accessories that expose a SATA HDD or SSD over USB 3.0. The controller's SuperSpeed interface operates at 5 Gbps, while its dual support for SATA 1.5 Gbps and 3.0 Gbps allows the accessory design to accommodate both legacy and newer compatible drives. Its 64-lead HTQFP package supports integration into a compact, surface-mount bridge section, and the 3 V to 3.6 V operating range defines the core-supply requirements. Portable-product engineers should still budget separately for the connected drive's load current. Use the manufacturer datasheet for package thermal guidance, exposed-pad construction if applicable, input/output capacitors, clock requirements, and controlled-impedance routing of the high-speed differential pairs.
推荐
Industrial Storage Gateways
TUSB9261PVP can serve as the storage interface in an industrial gateway that receives data from a compatible SATA device and forwards it to a USB 3.0 host. The combination of a 5 Gbps USB path and support for both SATA generations supports equipment that must interface with installed storage of different capabilities. The integrated ARM Cortex-M3 controller provides a programmable base for device handling and bridge firmware, while the UASP-oriented feature set supports a standards-based mass-storage design. Industrial products require careful attention to power-quality, temperature, grounding, and enclosure-related EMI considerations. Designers should use the manufacturer datasheet for supported operating limits, reference circuit values, firmware considerations, and PCB layout, and should validate the complete enclosure rather than only the bare bridge board.
推荐
推荐产品汇总
工程参考数据： TUSB9261PVP ——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 | TUSB9261IPVP |
|---|---|---|
| Product Type | USB 3.0 to Serial ATA bridge | USB 3.0 to Serial ATA bridge |
| Brand | Texas Instruments | Texas Instruments |
| Package | 64-lead HTQFP | 64-lead HTQFP |
| USB Interface | Second-generation SuperSpeed USB 3.0 | Second-generation SuperSpeed USB 3.0 |
| Maximum USB Data Rate | 5 Gbps | 5 Gbps |
| Supported SATA Data Rates | 1.5 Gbps or 3.0 Gbps | 1.5 Gbps or 3.0 Gbps |
| Operating Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V |
| Controller Core | ARM Cortex-M3 microcontroller | ARM Cortex-M3 microcontroller |
| Mass Storage Protocol | UASP-capable hardware and firmware | UASP-capable hardware and firmware |
| Supported Storage Devices | HDD, SSD, optical drive, and compatible SATA devices | HDD, SSD, optical drive, and compatible SATA devices |
关键差异点
- Supports USB 3.0 at 5 Gbps while bridging SATA 1.5 Gbps and 3.0 Gbps devices （对比 TUSB9261IPVP)
- Combines SuperSpeed USB and SATA bridging in a dedicated bridge controller （对比 TUSB9261IPVP)
- Provides hardware and firmware support for UASP-compliant mass storage （对比 TUSB9261IPVP)
设计说明
Route the USB 3.0 and SATA differential pairs as controlled-impedance, length-matched signal groups on a continuous reference plane. Keep the bridge, associated clock circuitry, and decoupling capacitors close to their relevant pins, and avoid routing high-speed pairs through power or mechanical split planes. The manufacturer datasheet layout section should control trace geometry, pair spacing, layer transitions, and via construction.
Design the bridge's 3 V to 3.6 V core supply with low impedance and local high-frequency decoupling at the supply pins. The attached HDD, SSD, or optical drive can impose a substantially larger load than the bridge itself, so separate or carefully isolate drive power from the controller's core rail. Confirm capacitor values, voltage ratings, and power-sequence requirements against the manufacturer application circuit.
Do not treat a family comparison as proof of a drop-in substitution without checking every pin function and the ordering table. TUSB9261IPVP is the closest identified family candidate, but the available comparison does not quantify every electrical or environmental difference. Validate footprint, supply range, exposed-pad construction, clock requirements, and USB/SATA signal assignments before changing the fitted MPN.
Keep the USB and SATA interfaces away from noisy switching-regulator loops and the switching nodes of drive power converters. Maintain continuous ground references beneath high-speed pairs, use conservative return-current paths, and apply the datasheet's recommended component placement around the bridge. System-level enclosure testing is necessary because the external drive cable and power supply can contribute radiation not represented by the bridge IC alone.
合规信息
Compliance declarations were not identified in the available manufacturer and distributor results. Confirm the current material and environmental declarations on the Texas Instruments product page before production release.
