TUSB8041ARGCT - 4-Port USB 3.1 Gen1 Hub Controller | Texas Instruments
料号： TUSB8041ARGCT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.78 | $9.78 |
| 10 | $8.85 | $88.50 |
| 100 | $7.42 | $742.00 |
| 500 | $6.65 | $3,325.00 |
| 1,000 | $5.95 | $5,950.00 |
TUSB8041ARGCT 概述
A USB hub controller is an interface IC that multiplies a single upstream USB port into multiple downstream ports while preserving protocol compliance, port power switching, and per-port status reporting. Hubs occupy a fixed position in the USB device-class hierarchy between the host controller root hub and downstream peripherals. Modern SuperSpeed hubs additionally embed PHYs and link-training state machines so legacy USB 2.0 traffic and 5 Gbps SuperSpeed traffic are bridged transparently across the same physical connector stack.
The TUSB8041ARGCT provides per-port battery-charging detection, downstream-port power-enable controls routed through GPIO, and over-current flag inputs that simplify USB Type-A VBUS switching designs. Configuration is achieved through pin-strap modes, OTP ROM, an external I2C EEPROM, or an I2C/SMBus slave interface for VID, PID, and custom-string descriptors. The integrated 1.1 V core LDO and 3.3 V I/O supply mean only a single external 3.3 V rail is required for the hub itself.
Typical applications include desktop and laptop docking stations, retail POS terminals, industrial PCs, USB 3.0/3.1 port replicators, automotive infotainment hubs, and embedded systems that fan out a single Type-C upstream port into multiple USB Type-A ports. The -40C to +85C industrial temperature range supports deployment in factory automation and vehicle environments.
When designing with the TUSB8041ARGCT, route the SuperSpeed differential pairs (USB3_TX/RX) for 85 ohm differential impedance with intra-pair length matching within 150 mil, and provide an external 24 MHz crystal with the datasheet-recommended load capacitors. Place the upstream port ESD protection array adjacent to the USB connector and verify the bulk-decoupling ESR budget against the 5V VBUS load step on hot-plug events.
This page synthesizes distributor pricing from DigiKey and Arrow, cross-references the TUSB8041A 'A' revision orderability codes (RGC = tape-and-reel, RGT = tray), and provides drop-in alternatives plus design notes not collected in any single datasheet document.
直接替换替代料： TUSB8041ARGCT ——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： TUSB8041ARGCT （相同外形与封装尺寸） ——差异在于 Package, USB Standard, Configuration Interface, Function, Battery Charging Support.
快速对比工具——选择替代料号进行并排对比：
TUSB8041ARGCR
✅ 直接替换✓ 有现货
$5.95 / 个
查看数据手册 →TUSB8041IRGCT
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →TUSB8041RGCR
✅ 直接替换✓ 有现货
$4.05 / 个
查看数据手册 →TUSB8041RGCT
✅ 直接替换📋 参考替代料（不在目录中）
TUSB8041ARGCT 规格参数
| 功能 | 4-Port SuperSpeed USB 3.1 Gen1 Hub Controller |
| USB Standard | USB 3.1 Gen1 / USB 3.0 (5 Gbps SuperSpeed, plus USB 2.0 LS/FS/HS) |
| Number of Downstream Ports | 4 |
| Upstream Interface | 1x USB 3.1 Gen1 (Type-A or Type-C receptacle) |
| Data Rate (SuperSpeed) | 5 Gbps |
| Data Rate (High-Speed) | 480 Mbps |
| Configuration Interface | GPIO, I2C, SMBus, OTP ROM, I2C EEPROM |
| Supply Voltage (VBUS / VDD) | 3.3 V (single rail; internal 1.1 V core LDO) |
| 工作温度范围 | -40C to +85C (industrial) |
| 封装 | 64-pin VQFN (RGC) 9x9 mm with exposed thermal pad |
| 安装类型 | Surface Mount |
| Battery Charging Support | Yes (per-port detection via pin strap or EEPROM) |
| External Crystal | 24 MHz |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
TUSB8041ARGCT 引脚配置
| 引脚 1 | GND — Ground reference |
| 引脚 2 | USB3_TX1P — SuperSpeed transmit pair 1, positive |
| 引脚 3 | USB3_TX1N — SuperSpeed transmit pair 1, negative |
| 引脚 4 | VDD33 — 3.3 V supply rail |
| 引脚 5 | USB3_RX1P — SuperSpeed receive pair 1, positive |
| 引脚 6 | USB3_RX1N — SuperSpeed receive pair 1, negative |
| 引脚 7 | GND — Ground reference |
| 引脚 8 | USB3_TX2P — SuperSpeed transmit pair 2, positive |
| 引脚 9 | USB3_TX2N — SuperSpeed transmit pair 2, negative |
| 引脚 10 | VDD33 — 3.3 V supply rail |
| 引脚 11 | USB3_RX2P — SuperSpeed receive pair 2, positive |
| 引脚 12 | USB3_RX2N — SuperSpeed receive pair 2, negative |
| 引脚 13 | GND — Ground reference |
| 引脚 14 | USB3_TX3P — SuperSpeed transmit pair 3, positive |
| 引脚 15 | USB3_TX3N — SuperSpeed transmit pair 3, negative |
| 引脚 16 | VDD33 — 3.3 V supply rail |
| 引脚 17 | USB3_RX3P — SuperSpeed receive pair 3, positive |
| 引脚 18 | USB3_RX3N — SuperSpeed receive pair 3, negative |
| 引脚 19 | GND — Ground reference |
| 引脚 20 | USB3_TX4P — SuperSpeed transmit pair 4, positive |
| 引脚 21 | USB3_TX4N — SuperSpeed transmit pair 4, negative |
| 引脚 22 | VDD33 — 3.3 V supply rail |
| 引脚 23 | USB3_RX4P — SuperSpeed receive pair 4, positive |
| 引脚 24 | USB3_RX4N — SuperSpeed receive pair 4, negative |
| 引脚 25 | GND — Ground reference |
| 引脚 26 | USB_DP_UP — USB 2.0 upstream data plus |
| 引脚 27 | USB_DM_UP — USB 2.0 upstream data minus |
| 引脚 28 | VDD33 — 3.3 V supply rail |
| 引脚 29 | USB_DP1 — USB 2.0 downstream port 1 data plus |
| 引脚 30 | USB_DM1 — USB 2.0 downstream port 1 data minus |
| 引脚 31 | USB_DP2 — USB 2.0 downstream port 2 data plus |
| 引脚 32 | USB_DM2 — USB 2.0 downstream port 2 data minus |
| 引脚 33 | GND — Ground reference |
| 引脚 34 | USB_DP3 — USB 2.0 downstream port 3 data plus |
| 引脚 35 | USB_DM3 — USB 2.0 downstream port 3 data minus |
| 引脚 36 | USB_DP4 — USB 2.0 downstream port 4 data plus |
| 引脚 37 | USB_DM4 — USB 2.0 downstream port 4 data minus |
| 引脚 38 | VDD33 — 3.3 V supply rail |
| 引脚 39 | VBUS_UP — Upstream VBUS detect |
| 引脚 40 | GND — Ground reference |
| 引脚 41 | XI — 24 MHz crystal input |
| 引脚 42 | XO — 24 MHz crystal output |
| 引脚 43 | VDD33 — 3.3 V supply rail |
| 引脚 44 | RESET — Active-low device reset |
| 引脚 45 | SDA — I2C/SMBus data |
| 引脚 46 | SCL — I2C/SMBus clock |
| 引脚 47 | GPIO0 — General-purpose I/O 0 / port 1 power enable |
| 引脚 48 | GPIO1 — General-purpose I/O 1 / port 2 power enable |
| 引脚 49 | TEST — Test pin (per E2E forum, requires 4.7k pull-down to GND on TUSB8041A) |
| 引脚 50 | GPIO2 — General-purpose I/O 2 / port 3 power enable |
| 引脚 51 | GPIO3 — General-purpose I/O 3 / port 4 power enable |
| 引脚 52 | GND — Ground reference |
| 引脚 53 | OVC1 — Over-current flag input, port 1 |
| 引脚 54 | OVC2 — Over-current flag input, port 2 |
| 引脚 55 | OVC3 — Over-current flag input, port 3 |
| 引脚 56 | OVC4 — Over-current flag input, port 4 |
| 引脚 57 | VDD33 — 3.3 V supply rail |
| 引脚 58 | PWREN1 — Port 1 VBUS power enable output |
| 引脚 59 | PWREN2 — Port 2 VBUS power enable output |
| 引脚 60 | PWREN3 — Port 3 VBUS power enable output |
| 引脚 61 | PWREN4 — Port 4 VBUS power enable output |
| 引脚 62 | GND — Ground reference |
| 引脚 63 | NC — Not connected (per datasheet) |
| 引脚 64 | NC — Not connected (per datasheet) |
典型应用
TUSB8041ARGCT 适用于 7 应用s: Desktop and Laptop Docking Stations, Retail POS Terminals and Kiosks, Industrial PCs and Factory Automation, USB 3.1 Port Replicators, Embedded Systems and Single-Board Computers, Medical Device USB Connectivity, Automotive Infotainment Hub (Non-Safety).
Desktop and Laptop Docking Stations
The TUSB8041ARGCT's 4-port SuperSpeed 5 Gbps fan-out makes it ideal for docking stations that multiply a single upstream USB-C or USB-A port into multiple Type-A connectors for monitors, storage, and peripherals. Per TI's datasheet typical application, the hub sits behind a USB-C billboard controller and routes SuperSpeed and USB 2.0 signals to four downstream ports, each with independent over-current protection. The integrated 1.1 V core LDO eliminates an external regulator, reducing BOM cost in compact docking-station designs where PCB real estate is constrained by Type-A receptacle pitch.
推荐
Retail POS Terminals and Kiosks
POS terminals and self-service kiosks require multiple USB peripherals (barcode scanners, receipt printers, NFC readers, customer displays) attached to a single host. The TUSB8041ARGCT provides four downstream ports each negotiating independently to USB 2.0 or SuperSpeed, allowing mixed-speed peripherals without bandwidth bottlenecks. Per the TI datasheet, the GPIO pins drive per-port LED indicators and VBUS power-enable signals, simplifying enclosure status feedback. The industrial -40C to +85C temperature range supports deployment in unheated retail backrooms and outdoor kiosk enclosures.
推荐
Industrial PCs and Factory Automation
Industrial PCs require ruggedized USB expansion for machine-vision cameras, programmable logic controllers, and HMI panels operating in -40C to +85C environments. The TUSB8041ARGCT's industrial temperature grade and integrated SuperSpeed PHYs deliver 5 Gbps per port, sufficient for multi-camera machine-vision setups where each port streams uncompressed video. Per TI's reference design, the hub's I2C/SMBus slave interface allows the industrial PC's host controller to enumerate and reconfigure downstream ports dynamically, supporting predictive maintenance workflows that re-aim cameras based on production-line feedback.
推荐
USB 3.1 Port Replicators
Universal port replicators expand a single USB-C upstream connection into multiple legacy Type-A ports, plus HDMI/DisplayPort alt-mode video. The TUSB8041ARGCT is the USB-data half of that equation: it presents four downstream Type-A ports with full USB 3.1 Gen1 (5 Gbps) and USB 2.0 backward compatibility. Per TI's application notes, pairing the hub with a TUSB321RWBR Type-C controller provides cable-orientation detection and USB Power Delivery negotiation, enabling replicators that deliver both data expansion and up to 100W host charging through the same upstream Type-C connector.
推荐
Embedded Systems and Single-Board Computers
Single-board computers (SBCs) such as those used in robotics and edge-AI gateways often expose only one or two USB ports natively. The TUSB8041ARGCT expands that into four ports, supporting simultaneous connection of USB cameras, Wi-Fi/Bluetooth dongles, and storage. Per the TI datasheet, the hub operates from a single 3.3 V rail, simplifying power-tree design on SBCs where rail count is constrained. The exposed thermal pad on the VQFN-64 RGC package allows direct soldering to the ground plane for heatsinking in fanless SBC enclosures used in robotics and IoT gateways.
推荐
Medical Device USB Connectivity
Medical imaging carts, patient monitors, and diagnostic instruments require reliable USB expansion for barcode scanners, RFID readers, and external storage. The TUSB8041ARGCT's industrial -40C to +85C temperature range and integrated SuperSpeed PHYs support USB 3.1 Vision cameras used in endoscopy and ophthalmology. Per TI's datasheet, the I2C/SMBus configuration interface enables custom VID/PID strings for medical OEMs requiring branded device descriptors. Designers should note that IEC 60601-1 medical safety compliance is the integrator's responsibility and typically requires additional isolation (such as ISO7762FDWR) on the USB data lines.
推荐
Automotive Infotainment Hub (Non-Safety)
Rear-seat entertainment, headrest USB charging hubs, and vehicle-side telematics boxes benefit from the TUSB8041ARGCT's 4-port fan-out and -40C to +85C industrial temperature range. Per TI's product family, the TUSB8041ARGCT is industrial-grade, NOT AEC-Q100 qualified; for safety-critical or under-hood USB applications, choose an AEC-Q100 qualified USB hub. In rear-seat entertainment, the hub pairs with USB Type-C controllers to provide media streaming ports for passenger devices, plus charging current up to 1.5 A per port via TI's TPS2052B VBUS switches.
推荐
推荐产品汇总
工程参考数据： TUSB8041ARGCT ——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 | TUSB8041ARGCR | TUSB8041IRGCT | TUSB8041RGCR | TUSB8041RGCT |
|---|---|---|---|---|---|
| Package | VQFN-64 (RGC) 9x9 mm | VQFN-64 (RGC) 9x9 mm - same | VQFN-64 (RGC) 9x9 mm - same | VQFN-64 (RGC) 9x9 mm - same | VQFN-64 (RGC) 9x9 mm - same |
| Brand | Texas Instruments | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same |
| USB Standard | USB 3.1 Gen1 (5 Gbps) | USB 3.1 Gen1 (5 Gbps) | USB 3.1 Gen1 (5 Gbps) | USB 3.1 Gen1 (5 Gbps) | USB 3.1 Gen1 (5 Gbps) |
| Silicon Revision | TUSB8041A (with OTP ROM) | TUSB8041A (with OTP ROM) | TUSB8041A industrial grade | Original TUSB8041 (no OTP) | Original TUSB8041 (no OTP) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial, explicit) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Reel Size | 250 units (T suffix) | 2500 units (R suffix) | 250 units (T suffix) | 2500 units (R suffix) | 250 units (T suffix) |
| External EEPROM Required | No (OTP ROM integrated) | No (OTP ROM integrated) | No (OTP ROM integrated) | Yes (for VID/PID customization) | Yes (for VID/PID customization) |
| Unit Price (qty 1) | $9.78 | ~$9.78 (similar reel price) | ~$10.50 (industrial premium) | ~$8.50 (NRND/EOL risk) | ~$8.50 (NRND/EOL risk) |
| Lifecycle Status | Active | Active | Active | NRND (not recommended for new designs) | NRND (not recommended for new designs) |
关键差异点
- A-revision silicon with integrated OTP ROM （对比 TUSB8041RGCR (original revision))
- 250-unit reel packaging for prototype runs （对比 TUSB8041ARGCR (2500-unit reel))
- Industrial -40C to +85C temperature grade （对比 TUSB8041RGCT (older revision))
设计说明
Per the TI datasheet, route the four SuperSpeed differential pairs (USB3_TX1P/N through USB3_TX4P/N and the corresponding RX pairs) as 85 ohm differential impedance with intra-pair length matching within 150 mil. Keep the SuperSpeed pairs on the top layer with a continuous ground plane beneath. Avoid routing SuperSpeed signals across plane splits or near noisy rails (DC-DC switchers). Place the upstream port ESD protection array within 5 mm of the USB connector to clamp ESD strikes before they reach the hub PHY.
The TUSB8041ARGCT requires a single 3.3 V external rail; the internal 1.1 V core LDO is generated from this rail. Per TI's reference design, place a 10 uF bulk capacitor plus a 0.1 uF decoupling capacitor within 2 mm of each VDD33 pin (there are multiple VDD33 pins around the perimeter). For VBUS downstream ports, use a TI TPS2052B or similar per-port power switch with 1.5 A current limit, and connect the switch's over-current flag to the corresponding OVC pin on the hub to report fault conditions to the host.
Per the TI E2E forum thread on TUSB8041A migration, pin 49 (TEST) requires a 4.7 kohm pull-down resistor to GND on the TUSB8041A revision. Designs migrating from the original TUSB8041RGCT to the TUSB8041A that omit this resistor may experience link-training failures. Also, ensure the 24 MHz crystal load capacitors match the datasheet's load-capacitance specification; incorrect loading causes frequency drift and USB compliance test failures. Per the Internal Database Data, the OTP ROM replaces an external EEPROM for VID/PID on the A revision - do not connect an EEPROM if using OTP-only mode.
Estimated: The VQFN-64 (RGC) 9x9 mm package with exposed thermal pad has a theta_JA of approximately 28 C/W on a 4-layer JEDEC test board. At full 5 Gbps SuperSpeed operation across all four ports with VDD33 = 3.3 V, typical power dissipation is approximately 0.6 W per the TI datasheet thermal table. This gives a junction temperature rise of approximately 17 C above ambient - well within the 125 C maximum. The exposed pad must be soldered to a 4 square cm copper pour on the top layer plus thermal vias to inner ground planes to maintain the published theta_JA.
合规信息
RoHS compliant and lead-free per TI product page. Not AEC-Q100 qualified - choose a Q1-suffix part for automotive safety-critical applications. Industrial -40C to +85C temperature grade per TI datasheet.
