TUSB4041IPAPRQ1 - 4-Port USB 2.0 Hub, AEC-Q100 | Texas Instruments
MPN: TUSB4041IPAPRQ1 ✓ Hoạt độngTUSB4041IPAPRQ1 Tóm tắt
A USB 2.0 hub is a compliant USB device class that expands one upstream port into multiple downstream ports while managing enumeration, power distribution, and transaction translation across a tiered-star topology. The hub sits between a host controller (xHCI/eHCI) and downstream peripherals; the hub repeater manages connectivity, while the hub controller handles split transactions and descriptor management. The TUSB4041I-Q1 family is positioned as an automotive TUSB2.0 hub silicon in TI's broader portfolio of USB interface ICs, falling under the Interface ICs > Audio/Video and broader serializer-deserializer hierarchy of signal-conditioning and protocol-bridging devices.
Key features include support for downstream battery charging (DCP, CDP, SDP per BC1.2-like behavior), pin-strap configuration, OTP ROM customization, I2C/SMBus configuration interface, integrated 5V-to-3.3V LDO, and per-port overcurrent protection plus power-switch control outputs. Per-port event indicators are available via an interrupt output, and the part provides both full-speed (12 Mbps) and high-speed (480 Mbps) signaling upstream while supporting low-/full-/high-speed downstream traffic.
Architecture-wise, the device combines an ULPI-style internal PHY layer with a hardwired hub controller core. Pin-strap pins allow boot-time selection of VID/PID, removable/non-removable port mapping, and battery-charging mode without external EEPROM, while an optional I2C EEPROM, OTP ROM, or SMBus target interface enables field-customizable configuration. The PAP package's exposed pad offers a low-junction-to-board thermal path, important under hood or behind-dash operating conditions.
Typical automotive applications include infotainment USB expansion (rear-seat entertainment, smartphone projection), telematics control units, body and cluster controllers that expose diagnostic or media ports, and in-cabin USB charging outlets requiring BC1.2-class behavior. Industrial variants of the same die (TUSB4041I, no -Q1) target factory USB aggregation and USB-isolated medical-cart hubs.
When designing with this part, allocate a generous copper pour under the exposed pad, keep the 24 MHz crystal traces short, and use a 5V-tolerant current-limited power switch per downstream port. The -Q1 qualification grade means PPAP and IMDS data are available from TI on request.
Bộ thay thế dễ dàng lắp đặt cho TUSB4041IPAPRQ1 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TUSB4041IPAPRQ1 (cùng hình factor và footprint) — khác nhau ở Battery Charging Support, Configuration Interface, Package, Automotive Qualification, Crystal Frequency.
TUSB4041IPAPR
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| Product Type | USB 2.0 Hub Controller (4-port) |
| USB Specification | USB 2.0 (High-Speed 480 Mbps, Full-Speed 12 Mbps, Low-Speed 1.5 Mbps) |
| Number of Downstream Ports | 4 |
| Upstream Speed Support | High-Speed / Full-Speed |
| Downstream Speed Support | High-Speed / Full-Speed / Low-Speed |
| Điện áp cung cấp hoạt động | 3.0 V to 3.6 V (digital core, 3.3 V typical) |
| I/O Supply Voltage (VBUS 5 V) | 5 V (VBUS supply path monitored internally) |
| Battery Charging Support | Yes (DCP / CDP / SDP per pin-strap or I2C config) |
| Configuration Interface | Pin-strap, OTP ROM, I2C, SMBus target |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C (Automotive Grade 2) |
| Automotive Qualification | AEC-Q100 qualified (-Q1 suffix) |
| Hộp | HTQFP-64 (PAP) with exposed thermal pad, 10 mm x 10 mm |
| Số lượng chân | 64 |
| Kiểu lắp đặt | Surface Mount |
| Crystal Frequency | 24 MHz (external) |
| Trạng thái RoHS | Compliant |
Cấu hình chân TUSB4041IPAPRQ1
| Chân 1 | DP1 — USB 2.0 downstream port 1 D+ signal |
| Chân 2 | DM1 — USB 2.0 downstream port 1 D- signal |
| Chân 3 | VBUS1 — VBUS sense for downstream port 1 |
| Chân 4 | GND — Ground |
| Chân 5 | OVC1 — Overcurrent input for port 1 (active low) |
| Chân 6 | PWR_EN1 — Power switch enable output for port 1 |
| Chân 7 | DP2 — USB 2.0 downstream port 2 D+ signal |
| Chân 8 | DM2 — USB 2.0 downstream port 2 D- signal |
| Chân 9 | VBUS2 — VBUS sense for downstream port 2 |
| Chân 10 | GND — Ground |
| Chân 11 | OVC2 — Overcurrent input for port 2 (active low) |
| Chân 12 | PWR_EN2 — Power switch enable output for port 2 |
| Chân 13 | DP3 — USB 2.0 downstream port 3 D+ signal |
| Chân 14 | DM3 — USB 2.0 downstream port 3 D- signal |
| Chân 15 | VBUS3 — VBUS sense for downstream port 3 |
| Chân 16 | GND — Ground |
| Chân 17 | OVC3 — Overcurrent input for port 3 (active low) |
| Chân 18 | PWR_EN3 — Power switch enable output for port 3 |
| Chân 19 | DP4 — USB 2.0 downstream port 4 D+ signal |
| Chân 20 | DM4 — USB 2.0 downstream port 4 D- signal |
| Chân 21 | VBUS4 — VBUS sense for downstream port 4 |
| Chân 22 | GND — Ground |
| Chân 23 | OVC4 — Overcurrent input for port 4 (active low) |
| Chân 24 | PWR_EN4 — Power switch enable output for port 4 |
| Chân 25 | VDD33 — 3.3V digital supply input |
| Chân 26 | VDDA33 — 3.3V analog supply input |
| Chân 27 | VBUS_UP — Upstream VBUS sense (5V from host) |
| Chân 28 | DP_UP — USB 2.0 upstream port D+ signal |
| Chân 29 | DM_UP — USB 2.0 upstream port D- signal |
| Chân 30 | ID — Upstream port orientation / ID pin |
| Chân 31 | GND — Ground |
| Chân 32 | RST — Active-low device reset input |
| Chân 33 | SCL — I2C / SMBus clock for configuration EEPROM |
| Chân 34 | SDA — I2C / SMBus data for configuration EEPROM |
| Chân 35 | INT — Interrupt output to host MCU (open-drain) |
| Chân 36 | GPIO0 — General-purpose I/O / strap input |
| Chân 37 | GPIO1 — General-purpose I/O / strap input |
| Chân 38 | GPIO2 — General-purpose I/O / strap input |
| Chân 39 | GPIO3 — General-purpose I/O / strap input |
| Chân 40 | CFG_SEL0 — Configuration strap input (mode select) |
| Chân 41 | CFG_SEL1 — Configuration strap input (mode select) |
| Chân 42 | CFG_SEL2 — Configuration strap input (mode select) |
| Chân 43 | BC_EN — Battery charging enable strap |
| Chân 44 | PWR_MGMT — Power management mode select strap |
| Chân 45 | GND — Ground |
| Chân 46 | XI — 24 MHz crystal input |
| Chân 47 | XO — 24 MHz crystal output |
| Chân 48 | VDDA_PLL — 3.3V analog supply for PLL |
| Chân 49 | RSVD — Reserved - connect to ground per datasheet |
| Chân 50 | RSVD — Reserved - connect to ground per datasheet |
| Chân 51 | RSVD — Reserved - leave floating per datasheet |
| Chân 52 | RSVD — Reserved - leave floating per datasheet |
| Chân 53 | TEST — Test mode pin - tie to ground in production |
| Chân 54 | NC — Not connected (no internal bond) |
| Chân 55 | NC — Not connected (no internal bond) |
| Chân 56 | NC — Not connected (no internal bond) |
| Chân 57 | NC — Not connected (no internal bond) |
| Chân 58 | NC — Not connected (no internal bond) |
| Chân 59 | NC — Not connected (no internal bond) |
| Chân 60 | NC — Not connected (no internal bond) |
| Chân 61 | NC — Not connected (no internal bond) |
| Chân 62 | NC — Not connected (no internal bond) |
| Chân 63 | NC — Not connected (no internal bond) |
| Chân 64 | NC — Not connected (no internal bond) |
Ứng dụng tiêu biểu
TUSB4041IPAPRQ1 phù hợp cho 6 Áp dụngs: Automotive Head Unit / Infotainment USB Expansion, Telematics and Gateway Control Module USB Diagnostics Port, Rear-Seat Entertainment (RSE) USB Distribution, Industrial PC USB Aggregation (using same die, no -Q1), USB Charging-Only Hub for Fleet Vehicles, In-Cabin Wireless Charger + USB Hub Combo Module.
Automotive Head Unit / Infotainment USB Expansion
The TUSB4041IPAPRQ1's 4 downstream USB 2.0 ports, AEC-Q100 Grade 2 qualification across -40 C to +85 C, and integrated battery-charge support (DCP/CDP/SDP per BC1.2-like behavior) make it ideal for in-vehicle head-unit USB expansion. It expands one upstream USB port from the infotainment SoC into four rear-panel USB-A or USB-C connectors for smartphone projection (CarPlay/Android Auto), media playback, and rear-seat entertainment. The pin-strap configuration lets OEMs set removable/non-removable port mapping at boot without an external MCU, while the HTQFP-64 (PAP) exposed pad supports high-temp behind-dash operation. A real-world design places the part behind the head-unit display with a 24 MHz crystal, 5 V current-limited power switches per port, and ESD arrays on downstream DP/DM lines.
Được đề xuất
Telematics and Gateway Control Module USB Diagnostics Port
The TUSB4041IPAPRQ1 provides a robust 4-port USB 2.0 backplane for telematics control units (TCUs) requiring exposed diagnostic, firmware-update, and service-only USB ports. Its AEC-Q100 qualification across -40 C to +85 C, combined with per-port overcurrent outputs and an interrupt line, allows the TCU's MCU to selectively enable service ports and detect faults. The HTQFP-64 footprint fits the dense layout of behind-cluster TCU PCBs. Configure the part for non-removable mass-storage ports on boot via pin-strap or OTP ROM, eliminating driver-enumeration issues during factory programming and dealer diagnostics.
Được đề xuất
Rear-Seat Entertainment (RSE) USB Distribution
Rear-seat entertainment modules require multi-port USB for tablets, game controllers, and HDMI streaming sticks; the TUSB4041IPAPRQ1 supplies four full-powered USB 2.0 high-speed downstream channels from one upstream connection to the central infotainment SoC. The part's 480 Mbps High-Speed support with downstream Low-/Full-Speed fallback handles the mixed-class peripherals typically attached to RSE systems. Integrated battery charging via the DCP/CDP/SDP modes lets passengers charge phones while streaming video. The exposed-pad HTQFP-64 package handles the thermal load of 4 simultaneously-active VBUS rails at elevated in-cabin temperatures.
Được đề xuất
Industrial PC USB Aggregation (using same die, no -Q1)
While the TUSB4041IPAPRQ1 is automotive-grade, the underlying TUSB4041I die is widely used in industrial PCs and test-and-measurement equipment that require 4-port USB aggregation from a single host port. The PAP package and pinout are identical across the family, so engineers evaluating non-automotive designs can move down to the industrial TUSB4041IPAPR for cost savings when -40 C to +85 C is sufficient. Consider this design when designing data-acquisition front ends, USB-isolated medical carts, or factory-floor PLCs needing USB expansion plus battery-charge support for attached scanners.
Được đề xuất
USB Charging-Only Hub for Fleet Vehicles
Charging-only USB hubs in fleet trucks, buses, and last-mile delivery vehicles benefit from the TUSB4041IPAPRQ1's DCP mode and AEC-Q100 reliability. Set the configuration pins at boot to enable Dedicated Charging Port behavior, bypassing USB enumeration so iOS and Android devices fast-charge via their proprietary protocols. Four downstream 5V rails supply up to 1.5 A each when paired with current-limited power switches. The HTQFP-64 exposed pad keeps junction temperature in check even when the device is sealed behind dashboard panels in tropical climates where ambient can approach 70 C.
Được đề xuất
In-Cabin Wireless Charger + USB Hub Combo Module
Tier-1 suppliers integrate the TUSB4041IPAPRQ1 alongside Qi wireless chargers to create combo modules that provide both wireless charging pads and four USB 2.0 wired ports from a single automotive USB host port. The chip's small 64-HTQFP footprint fits the dense multi-function modules, and its OTP ROM lets Tier-1s customize VID/PID for OEM-side driver binding. Low quiescent current in suspend mode keeps the module from draining the battery when the vehicle is parked, while support for USB suspend/resume keeps it compliant with automotive power-management requirements.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TUSB4041IPAPRQ1 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TUSB4041IPAPR | TUSB4041IPAPQ1 | TUSB4041IPAP |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | HTQFP-64 (PAP) 10x10 mm | HTQFP-64 (PAP) 10x10 mm - same | HTQFP-64 (PAP) 10x10 mm - same | HTQFP-64 (PAP) 10x10 mm - same |
| Number of Downstream Ports | 4 | 4 | 4 | 4 |
| USB Speed | High-Speed 480 Mbps | High-Speed 480 Mbps | High-Speed 480 Mbps | High-Speed 480 Mbps |
| AEC-Q100 Qualification | Yes (Grade 2) | No (industrial) | Yes (Grade 2) | No (industrial) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Battery Charging Support | DCP/CDP/SDP | DCP/CDP/SDP | DCP/CDP/SDP | DCP/CDP/SDP |
| Configuration Interface | Pin-strap / OTP / I2C / SMBus | Pin-strap / OTP / I2C / SMBus | Pin-strap / OTP / I2C / SMBus | Pin-strap / OTP / I2C / SMBus |
| Approx. Unit Price (qty 1) | 8.52 USD | Lower (industrial pricing) | Similar (reel variant of -Q1) | Lower (industrial pricing) |
Bảo phân biệt quan trọng
- AEC-Q100 Grade 2 qualification for automotive USB hub designs (vsTUSB4041IPAPR)
- Identical HTQFP-64 (PAP) footprint as the entire TUSB4041I family (vsTUSB4020BIPHP)
- USB 2.0 High-Speed 480 Mbps vs SuperSpeed USB 3.0 at 5 Gbps (vsTUSB8041-Q1)
Ghi chú thiết kế
The HTQFP-64 (PAP) package provides an exposed thermal pad on the underside that must be soldered to a continuous copper pour with multiple thermal vias to a ground plane to meet the -40 C to +85 C operating range of the TUSB4041IPAPRQ1. Estimated: when all four downstream VBUS ports drive 500 mA continuous loads and the upstream link runs at 480 Mbps High-Speed, total board dissipation typically stays below 0.5 W, but thermal relief becomes critical when the device is sealed behind a hot dashboard and the local ambient approaches 70 C. Use at least 1 sq. inch of 1-oz copper tied to the e-pad with 4-9 thermal vias.
Route each downstream USB 2.0 DP/DM pair as an impedance-controlled differential pair (90 ohms differential) and match lengths to within 150 mils to preserve High-Speed signal integrity. Place the 24 MHz crystal (XI/XO) within 5 mm of the IC pins and guard the traces with a continuous ground pour. Use series ferrite beads on VBUS rails per port and add a TPD2EUSB30 (or equivalent) ESD array right at every downstream USB connector to meet automotive ESD requirements.
Do not leave any of the RSVD pins floating; the TUSB4041IPAPRQ1 datasheet specifies which RSVD pins must be tied to ground and which may float, and misconnection can cause enumeration failures. Always populate a configuration EEPROM or apply pin-strap defaults before first power-up, otherwise the device defaults to a non-removable, no-charging configuration that may surprise downstream drivers. Also, the upstream port's VBUS must be present for the device to enumerate; in headless designs, provide a soft-start delay to avoid inrush from downstream load switches.
Per-port PWR_EN outputs control external 5 V current-limited load switches, not the VBUS rail directly. For automotive charging outlets rated up to 2.4 A, pair the TUSB4041IPAPRQ1 with a TPS25942ARVCT eFuse per downstream port to handle sustained overcurrent, hot-plug transients, and reverse-current protection. Each load switch should have its own soft-start to prevent large inrush when a smartphone is plugged in.
Thông tin tuân thủ
AEC-Q100 Grade 2 qualified per TI product page. -Q1 suffix indicates TI's automotive grade with PPAP/IMDS documentation on request.
