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TUSB2046BVFRG4 - 4-Port USB 2.0 Full-Speed Hub | Texas Instruments
TUSB2046BVFRG4

TUSB2046BVFRG4 - 4-Port USB 2.0 Full-Speed Hub | Texas Instruments

The Texas Instruments TUSB2046BVFRG4 is a 4-port USB 2.0 full-speed hub controller operating at 12 Mbps from a 3.3 V supply, housed in a 32-pin LQFP (7x7 mm) package with an optional serial EEPROM interface and a 0C to +70C commercial operating range. A USB hub controller is an interface IC that expands a single upstream USB port into multiple downstream ports, handling enumeration, transaction translation at the protocol level, and port power management. It sits within the USB device hierarchy between the host controller and downstream peripherals, forming a sub-family of the broader USB interface and connectivity IC class within semiconductor interface products. Key features include one upstream port and four downstream ports compliant with the USB 2.0 specification at full speed (12 Mbps), support for both low-speed (1.5 Mbps) and full-speed downstream devices, an optional serial EEPROM interface for storing vendor ID / product ID configuration data, and overcurrent detection inputs with power-switch control outputs for per-port or ganged power switching. Implementation with a digital state machine instead of an embedded microcontroller eliminates firmware development and reduces BOM complexity. Technical depth: because the TUSB2046B is a pure hardware state-machine design, enumeration latency is deterministic and there is no firmware to qualify, update, or corrupt. The 3.3 V CMOS core with integrated 3.3 V regulator support keeps external components minimal, typically requiring only a 6 MHz or 48 MHz clock source, bypass capacitors, and the external power switches for downstream VBUS. Typical applications include PC monitor hubs, docking stations, industrial panel USB expansion, printer and multifunction peripheral front panels, and embedded systems requiring additional USB ports from a single host connection. The 12 Mbps full-speed rating suits HID devices, flash drives, and instrumentation rather than high-bandwidth video or mass-storage arrays. Design consideration: budget downstream VBUS power carefully - each downstream port may supply up to 500 mA at 5 V per the USB specification, so external power MOSFET switches and overcurrent sensing resistors must be sized for the aggregate load, and the OVERCURRENT inputs must be wired to the correct power-switch pins. This page synthesizes distributor pricing context, drop-in alternatives, lifecycle status, and practical design notes not found in the manufacturer datasheet alone.

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TUSB2070PT - 7-Port USB 1.0 Hub Controller | Texas Instruments
TUSB2070PT

TUSB2070PT - 7-Port USB 1.0 Hub Controller | Texas Instruments

The Texas Instruments TUSB2070PT is a CMOS 7-port USB hub controller that conforms to USB Specification Version 1.0, supplied in a 48-pin LQFP (PT) surface-mount package with a 0 °C to +70 °C commercial operating temperature range. According to the manufacturer datasheet, the device provides up to seven downstream ports from a single upstream connection, consolidating multiple legacy USB peripherals behind one host port. A USB hub controller is a type of USB interface controller: it sits between a host and one or more downstream devices, managing enumeration, power distribution, and data traffic across the bus. In the product-type hierarchy, a USB hub controller belongs to interface controllers, which are a subset of integrated circuits used for signal and protocol bridging. In an end system, the hub controller provides the physical fan-out layer between a single USB port and several peripherals, sitting below the host controller and above the physical USB transceiver layer. Key characteristics of the TUSB2070PT include support for up to seven downstream ports, full-speed operation under USB Specification 1.0 rules, a monolithic CMOS implementation, and a single upstream port connection for the host link. The 48-pin LQFP (PT) body gives generous pin count for port-level control and status signalling, while the industrial-temperature 0 °C to +70 °C range suits commercial and light-industrial equipment. Detailed electrical ratings such as supply voltage, I/O current, and internal oscillator tolerance are not stated in the retrieved data and must be confirmed against the manufacturer datasheet. Architecturally, the device implements the split-transaction, single-master USB 1.0 protocol stack internally, including host-controller interface signalling toward the upstream port and per-port transceiver interfacing toward downstream ports. It is a legacy architecture: modern designs normally use USB 2.0 high-speed hubs with integrated PHY and charge-pump regulators, so the TUSB2070 remains most relevant where a legacy USB 1.0 host must be expanded without changing the upstream device class. Typical uses include legacy personal-computer and embedded host systems needing additional full-speed USB ports, industrial data-acquisition panels, point-of-sale and print peripherals, and test benches that replicate USB 1.0 topologies. Because it is an established, widely supported part with a long service history, it is frequently found in repair and legacy-platform maintenance programs. Two design considerations matter most. First, the device is no longer the newest Texas Instruments 7-port hub: the manufacturer lists the TUSB2077A, also in a 48-LQFP package, as the replacement, so new designs should start there. Second, a 48-LQFP body demands careful decoupling and ground-plane continuity to keep USB signal integrity within the 1.0 specification budget. This page consolidates distributor availability signals, a drop-in replacement analysis for the 48-LQFP 7-port hub footprint, lifecycle guidance, and practical design notes that are not gathered together in a single manufacturer datasheet.

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TUSB2136PM - 2-Port USB 2.0 Hub Controller | Texas Instruments
TUSB2136PM

TUSB2136PM - 2-Port USB 2.0 Hub Controller | Texas Instruments

Texas Instruments TUSB2136PM is a USB 2.0 two-port hub controller with an integrated general-purpose function controller, supplied in a 64-LQFP surface-mount package measuring 10 mm by 10 mm. It operates from a 3 V to 3.6 V supply and is specified for a 0 °C to 70 °C ambient operating range. The component is listed as active and is intended for USB interface and hub-controller designs. A USB hub controller is an interface integrated circuit that manages a USB host connection and coordinates attached USB devices. Within the product hierarchy, a USB 2.0 hub controller is an interface IC, a USB interface device, and a semiconductor. This TUSB2136 variant combines two-port hub control with a general-purpose function controller, allowing the hub function and device-side control logic to be consolidated within one package. The principal verified features are two USB 2.0 ports, a 3 V to 3.6 V operating-supply range, and integrated general-purpose function control. The controller is packaged in a 64-pin LQFP measuring 10 mm by 10 mm, providing a surface-mount implementation for compact USB equipment. The operating temperature range of 0 °C to 70 °C identifies it as a commercial-temperature option rather than an explicitly automotive-qualified or extended-temperature device. The TUSB2136PM combines a compound USB hub function with an embedded general-purpose 8052 MCU, as identified in the supplied datasheet result. This architecture is useful when downstream equipment needs local device handling, configuration logic, or peripheral control in addition to standard USB hub behavior. Its consolidated approach can reduce the number of discrete interface components required around a USB connection, although the complete implementation must be validated against the manufacturer datasheet and reference design. Typical uses include USB connection hubs, computer peripherals, docking equipment, and embedded USB interface products. Its two-port configuration is appropriate for systems that need to expose multiple USB connections through one upstream USB link. Integration of the general-purpose function controller is especially relevant to designs in which hub management must coexist with vendor-specific control behavior or device-specific handling. Designers should pay particular attention to USB signal routing, supply decoupling, and the exact pin assignments shown in the manufacturer documentation. Because the verified sources do not provide the complete pin table, crystal requirements, programming interface, USB transceiver details, or decoupling values, those items must be obtained from the official datasheet before schematic capture. No automotive qualification or regulatory status beyond the supplied active-status information should be inferred. This page combines the verified USB version, port count, supply range, package, temperature range, lifecycle status, and distributor availability information with practical integration guidance. It also distinguishes documented characteristics from unknown electrical details and avoids presenting unverified pinout or replacement claims as drop-in-compatible alternatives.

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TUSB2140BN USB 1.1 4-Port Hub Controller | Texas Instruments
TUSB2140BN

TUSB2140BN USB 1.1 4-Port Hub Controller | Texas Instruments

The Texas Instruments TUSB2140BN is a USB 1.1 interface controller for four-port USB hub applications, supplied in a 40-pin DIP package measuring 0.600 inches, or 15.24 mm, across. The device is identified by distributors as a USB interface bus controller with integrated transceiver characteristics, and it is associated with an I2C microcontroller interface in supplier documentation. The verified product information confirms a through-hole DIP format, commercial temperature grade, and 40 terminals. It also confirms availability through multiple distributors, including 6,048 pieces reported by Heisener and a unit price of $6.4513 as of 2026-10-30. The TUSB2140BN is therefore positioned as a legacy USB hub controller for systems requiring four downstream USB ports rather than a general-purpose USB interface transceiver. Its 40-DIP package favors prototype boards, legacy industrial equipment, and expansion systems where through-hole assembly is acceptable. The supplied listings do not provide a complete official electrical table, exact pin assignments, transfer-rate details beyond USB 1.1, or a current manufacturer lifecycle statement. Those parameters remain identified as data needed rather than being inferred from similar devices. A practical design review should therefore begin with the official TUSB2140B datasheet, especially for D+/D- routing, power-switching requirements, crystal or clock connections, I2C address programming, and termination requirements. In a USB hub design, the controller manages downstream-port enumeration and shared upstream-bus behavior, while external power-distribution and protection components determine how safely multiple peripherals can be connected.

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TUSB2140N - 4-Port USB 2.0 Hub Controller | Texas Instruments
TUSB2140N

TUSB2140N - 4-Port USB 2.0 Hub Controller | Texas Instruments

Texas Instruments TUSB2140N is a 4-port USB 2.0 hub controller with embedded function, a maximum clock frequency of 48 MHz, I2C bus compatibility, and a 40-pin through-hole DIP package. It is designed for industrial USB hub equipment requiring multiple downstream ports and centralized control. The verified sources identify TUSB2140N as the original 40-PDIP member of the TUSB2140 family and note that it was replaced by TUSB2046B. A USB hub controller is an interface IC that manages traffic between one upstream USB host connection and multiple downstream USB ports. Within the product hierarchy, it is a USB interface controller, bus controller, interface IC, and semiconductor. By organizing USB connectivity and exposing configuration functions through a compatible control bus, this type of device reduces the amount of discrete logic required in a multiport USB product. The TUSB2140N provides four downstream hub ports, operates up to 48 MHz, supports I2C compatibility, and is available in a 40-terminal rectangular DIP package. The verified distributor data classifies it as an industrial-temperature component with through-hole terminals. These characteristics make it relevant to legacy industrial USB hubs, embedded USB expansion equipment, and systems designed around the original TUSB2140 interface rather than newer hub controllers. Technically, the device combines USB host-interface management and an embedded function in one controller. Its 48 MHz maximum operating frequency supports the clocking requirements associated with this USB 2.0 hub-controller generation, while I2C compatibility offers a practical path to configuration and supervisory control. The 40-pin DIP format favors through-hole assembly and repairability, but it consumes considerably more board area than contemporary surface-mount hub controllers. Typical applications include industrial USB hubs, embedded test equipment, peripheral aggregation systems, legacy USB expansion cards, and OEM products that retain the TUSB2140 architecture. Because the part is an older through-hole design, engineers should also assess modern surface-mount alternatives or the indicated TUSB2046B successor when new PCB area, sourcing, or lifecycle constraints favor redesign. The primary design consideration is lifecycle and availability. Verified marketplace data states that TUSB2140N was replaced by TUSB2046B, while current stock and pricing are offered through brokers and distributors. For new production, confirm lifecycle status, exact electrical compatibility, and pin-level equivalence before substituting any successor; a USB hub change can affect enumeration, power management, and downstream-port behavior. This page consolidates verified distributor specifications, the replacement relationship, source links, and engineering selection guidance. It distinguishes documented TUSB2140N attributes from unavailable parameters, helping procurement and design engineers make a grounded legacy-support or migration decision.

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TUSB2551PW - USB 2.0 Half Transceiver | Texas Instruments
TUSB2551PW

TUSB2551PW - USB 2.0 Half Transceiver | Texas Instruments

Texas Instruments TUSB2551PW is a single USB 2.0 half-rate transceiver supporting full-speed operation up to 12 Mbit/s and low-speed operation up to 1.5 Mbit/s in a 14-pin TSSOP package. The device operates from a 1.65 V to 3.6 V supply, making it suitable for low-voltage USB connectivity and embedded systems. Its integrated transceiver architecture supports bidirectional USB data signaling while reducing the external circuitry required for a host, device, or interface application. A USB transceiver is an interface IC that converts digital controller signals into USB-compatible physical-layer signals and receives the corresponding bus signals from a USB connection. The TUSB2551 belongs to the USB interface transceiver hierarchy, alongside USB interface controllers, USB hubs, and USB power-management devices. Unlike a USB controller, it does not implement protocol or enumerate bus devices; it provides the physical-layer path between a USB-capable controller and a connector or cable. The TUSB2551 supports both full-speed and low-speed USB 2.0 operation. Texas Instruments identifies superior edge-rate control as a means of producing crisper eye diagrams, which can simplify USB compliance testing. Dual-supply operation allows the digital and analog portions of the device to use separate supply rails. The 1.65 V to 3.6 V operating range supports common 1.8 V and 3.3 V system environments while accommodating lower-voltage interface requirements. Typical uses include USB-to-serial bridges, embedded USB peripherals, industrial data acquisition, portable diagnostic equipment, and USB connectivity for microcontrollers that require an external physical-layer transceiver. Its 14-pin TSSOP format also supports PCB layouts that prioritize a small, widely available package rather than a leadless land pattern. System designers should still verify signal integrity, termination, cable routing, and supply sequencing against the manufacturer datasheet. For USB applications, the transceiver is used between the host or device controller and the connector. Differential pair routing should be short and impedance controlled, while supply and ground connections should provide low-impedance return paths. The device's low-voltage supply range makes it useful for portable equipment, but total system power, connector-current capability, and USB specification compliance remain separate design considerations. This page combines the verified Texas Instruments product information, distributor listings, package details, available cross-reference evidence, and practical guidance for evaluating the TUSB2551PW. It also distinguishes confirmed pin-compatible options from unreported electrical parameters so engineers can identify which data must be checked before approving a replacement.

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TUSB320HAIRWBR - USB Type-C CC Logic, X2QFN-12 | TI
TUSB320HAIRWBR

TUSB320HAIRWBR - USB Type-C CC Logic, X2QFN-12 | TI

The Texas Instruments TUSB320HAIRWBR is a USB Type-C Configuration Channel (CC) logic and port controller in an industrial-grade (I-temp) active-high enable variant, packaged in a 12-pin X2QFN (RWB) measuring 1.6 mm × 1.6 mm. The device operates from a single 3.3 V supply and supports USB Type-C Specification 1.1 while remaining interoperable with 1.0 systems. It advertises and detects up to 3 A of VBUS current per Type-C current-mode rules and supports DFP (Source), UFP (Sink), and DRP (Dual Role) port roles selected through MODE pins. A USB Type-C Configuration Channel Logic IC is a state-machine controller that sits between a USB Type-C receptacle and the application processor or USB controller. Its job is to negotiate attach/detach events, cable orientation (CC1/CC2 polarity), role (host vs device), and current advertisement (default 500 mA, 1.5 A, or 3 A) through the CC1/CC2 pull-up and pull-down signalling defined by the USB-IF Type-C specification. Higher up the hierarchy it is an Interface IC > USB Interface IC; below it is the CC PHY layer. Key features include: integrated 5.1 kΩ CC pull-up resistors that can be toggled for DRP toggle, hardware MODE pin configuration (no firmware needed), active-high enable (EN) pin for power sequencing, low standby current with a dedicated low-power mode, and HBM ESD protection on CC pins. The X2QFN-12 RWB package keeps the device under 3 mm² footprint, ideal for compact dongles, hubs, and embedded platforms. Typical applications are any 5 V / 3 A USB Type-C ports that need a low-BOM CC controller: travel chargers, USB Type-C dongles, adapters, hubs, docking stations, smartphones, tablets, and notebooks. Because it operates as a standalone state machine with no MCU required, it is well-suited to cost- and board-area-sensitive designs. Design consideration: place the 100 nF decoupling capacitor within 2 mm of VCC and keep the CC traces short, matched, and away from switching nodes to preserve signal integrity. A 0 Ω or ferrite series resistor on VBUS is optional but recommended to limit inrush current at attach. This page synthesizes distributor pricing, drop-in alternatives, application pairings, and design notes not found in the manufacturer datasheet, optimized for engineers sourcing USB Type-C port controllers.

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TUSB320LAIRWBR - USB Type-C CC Logic & Port Controller | TI
TUSB320LAIRWBR

TUSB320LAIRWBR - USB Type-C CC Logic & Port Controller | TI

The Texas Instruments TUSB320LAIRWBR is a USB Type-C configuration channel (CC) logic and port controller housed in a 12-pin X2QFN (RWB) package measuring 1.6 mm x 1.6 mm. It supports USB Type-C Specification 1.1, is backward compatible with 1.0, advertises and detects up to 3 A of VBUS current, and operates from a 2.7 V to 5 V supply. Configuration modes include Host Only (DFP/Source), Device Only (UFP/Sink), and Dual Role Port (DRP) for accessories, hubs, smartphones, and laptops. The "L" variant removes I2C and adds GPIO-controlled mode selection for ultra-low-power BOMs. What is a USB Type-C port controller? A USB Type-C port controller is an interface IC that sits between a USB 2.0 data path and the Type-C receptacle, managing the Configuration Channel (CC) pins that detect cable attach/detach, determine plug orientation (CC1 vs CC2), advertise the source/sink current capability through Rp/Rd pull-up/pull-down resistors, and negotiate power-role swap for USB Power Delivery. It belongs to the broader hierarchy of interface ICs -> USB interface ICs -> Type-C controllers -> USB Power Delivery controllers, occupying the link layer just above the physical connector. Key differentiating features include integrated CC logic, automatic DRP toggle, support for audio and debug accessory modes, an active-high ENABLE pin, and an open-drain INT output for interrupt-driven host polling. The device is offered in both I2C-configurable (TUSB320I) and pin-strapped/GPIO (TUSB320L) variants within the same X2QFN-12 footprint, allowing PCB reuse between firmware-driven and BOM-optimized designs. Operating temperature is -40 C to +85 C (industrial). The TUSB320L architecture is a pure hardware state machine that samples the CC1/CC2 pins, drives the appropriate Rp current source or Rd pull-down, and reports attach/orientation events to the application processor through dedicated GPIO flags. This eliminates the firmware overhead of I2C register polling and reduces quiescent current for battery-powered devices. Compared to discrete USB-C implementations using comparators and FETs, the TUSB320L integrates Rp/Rd biasing and accessory detection in a single 1.6 mm x 1.6 mm chip. Typical applications include USB Type-C wall adapters, smartphone charging cradles, accessory-mode audio adapters, USB-C hubs and docks, notebook and tablet Type-C ports, and USB-C debug ports for embedded development. It is widely used wherever a 5 V / up to 3 A Type-C source or sink is needed without USB PD negotiation. A key design tip - because the TUSB320L has no I2C, role selection and current-mode advertisement must be hard-wired through MODE pin resistors at power-up. Layout the CC1/CC2 traces as a 90 ohm differential pair with the connector ground return, and decouple VDD with a 0.1 uF X7R ceramic placed within 2 mm of pin 12. This page synthesizes TI datasheet parameters, distributor pricing, drop-in alternatives (same-brand first, cross-brand verified), and PCB design notes not duplicated in the manufacturer datasheet, giving procurement and design engineers a one-stop reference for the TUSB320LAIRWBR.

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TUSB3210PM - USB 2.0 8052 Controller | Texas Instruments
TUSB3210PM

TUSB3210PM - USB 2.0 8052 Controller | Texas Instruments

The Texas Instruments TUSB3210PM is an integrated USB 2.0 full-speed general-purpose device controller with an 8052-based microcontroller, 8K x 8 RAM, and programmable general-purpose I/O in a 64-pin LQFP package. It supports USB data rates up to 12 Mbit/s and provides USB suspend, resume, and remote wake-up operation for connected peripheral, control, and human-interface-device designs. A USB general-purpose device controller is an application-specific microcontroller category that integrates a USB full-speed serial interface with embedded firmware execution and general-purpose I/O. The TUSB3210 sits within the hierarchy of semiconductor, embedded microcontroller, application-specific microcontroller, and USB interface controller devices. This integration reduces the need for a separate USB interface IC while retaining programmable behavior for product-specific USB functions. The principal feature set includes USB 2.0 full-speed compliance, a 12 Mbit/s supported USB data rate, suspend, resume, and remote wake-up support, and 8K x 8 bytes of RAM for application development. The controller also supports multiproduct designs with one code base and one controller, including configurations covering up to 16 products with one chip. Its programmability allows the same USB-connected platform to address multiple peripheral roles without relying on a fixed-function bridge. Internally, the TUSB3210 combines an 8052-compatible microcontroller with USB device-controller logic and general-purpose I/O. The 8K x 8 RAM organization provides 8,192 bytes of data storage for firmware variables, descriptors, buffers, and working state. Because the part is programmable rather than a fixed protocol translator, engineers can implement device-specific enumeration behavior, vendor requests, HID reports, status signaling, or other USB functions in one compact 64-LQFP device. Typical implementations include USB-to-serial adapters, keyboard and mouse controllers, industrial input modules, portable diagnostic equipment, programmers, and general USB I/O expansion boards. The 64-pin LQFP package also exposes enough pins for multiple GPIO functions, clocking connections, and USB bus-interface requirements, although a complete 64-pin pin map is not present in the supplied verified excerpts. The principal design consideration is that USB firmware, descriptor development, and bus-routing validation remain necessary because this is a programmable controller rather than a fully finished USB peripheral. Layout should follow the manufacturer's recommended USB data-path guidance, provide clean return-current paths, and use appropriate decoupling. Exact operating-voltage, clock, temperature, and pin-function details should be confirmed in the manufacturer datasheet before schematic release. This page consolidates the verified distributor identification, USB 2.0 and 8052 controller description, package information, RAM capacity, pricing indication, and sourcing links into an engineering-focused view. It also separates verified facts from unavailable detailed specifications and documents why few defensible drop-in replacements can be confirmed from the supplied cross-reference results.

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TUSB321RWBR - USB Type-C CC Logic 3A X2QFN-12 | Texas Instruments
TUSB321RWBR

TUSB321RWBR - USB Type-C CC Logic 3A X2QFN-12 | Texas Instruments

The Texas Instruments TUSB321RWBR is a USB Type-C configuration channel (CC) logic and port control device with VCONN support, packaged in a 12-pin X2QFN (1.6x1.6 mm) land-grid array. It implements the CC signaling required by USB Type-C Specification 1.1 and remains backward compatible with USB Type-C Specification 1.0, advertising up to 3 A of current through a dedicated current mode pin. A USB Type-C CC logic device is a specialized interface IC that manages the configuration channel pins of a USB Type-C connector. Within the system hierarchy, it sits between the USB Type-C connector and the USB controller or power path, belonging to the interface IC family inside integrated circuits. The CC logic block monitors the CC1 and CC2 pins for pullup or pulldown resistances to determine port attach and detach, cable orientation, and role detection, which are mandatory functions for any Type-C port. Key features include three mode configurations - host only (DFP/Source), device only (UFP/Sink), and dual role port (DRP) - where the device alternates between DFP and UFP roles per the Type-C Specifications. An integrated VCONN switch powers electronically marked (e-marked) cables, and dead battery mode allows a sink device to present as a Type-C device even before system power is available. Technically, the TUSB321 integrates CC termination, Rp/Rd detection, cable orientation indication, and port power control in a single low-power die, minimizing external components and bill-of-materials cost. The compact X2QFN package with 1.6x1.6 mm footprint suits space-constrained portable designs. Typical applications include smartphones, tablets, laptops, docking stations, chargers, and USB Type-C enabled accessories. Any design needing compliant Type-C attach detection and current advertisement benefits from this device. For design, place the TUSB321RWBR close to the Type-C connector to keep CC traces short, decouple VCC with a 1 uF capacitor, and configure the current mode pin for the intended 3 A advertisement level as described in TI datasheet (SLVSDF4).

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TUSB321RWBR-Q1 - USB Type-C CC Logic Port Control | TI
TUSB321RWBR-Q1

TUSB321RWBR-Q1 - USB Type-C CC Logic Port Control | TI

The Texas Instruments TUSB321RWBR-Q1 is an automotive-grade USB Type-C configuration channel (CC) logic and port control IC with VCONN support, provided in a compact 12-pin X2QFN package measuring just 1.6 mm x 1.6 mm. Operating from a 4.5V to 5.5V supply, it enables USB Type-C ports with the CC logic needed for Type-C ecosystems while meeting the USB Type-C Specification 1.1 and remaining backward compatible with Specification 1.0. A USB Type-C port controller (also called a CC logic chip or port control IC) is a small companion device that manages the configuration channel pins of a Type-C connector. It sits in the hierarchy: port controller -> USB interface IC -> USB connectivity semiconductor -> power/data management. It detects attach and detach events, determines cable orientation, performs role detection, and advertises current capability through the dedicated current mode pin. Key features include support for up to 3A of current advertisement through the dedicated current mode pin, configurable port roles of DFP (source), UFP (sink), or dual role port (DRP), and integrated VCONN supply switching for actively marked cables. The device autonomously handles Rd/Rp termination switching on the CC pins according to cable orientation, offloading this logic from the system microcontroller. The TUSB321 implements the CC layer with a simple pin-strap configuration (PORT pin) rather than an I2C interface, minimizing firmware complexity and cost for systems that do not need Power Delivery negotiation. Its automotive qualification (AEC-Q100) makes it suitable for infotainment, telematics, and charging ports in vehicles, while the 1.6 mm x 1.6 mm X2QFN footprint fits space-constrained smartphone, tablet, and accessory designs. Typical applications include automotive USB Type-C charging ports, host and device port attach detection in notebooks, docking stations, and power-bank sink/source role management. Design tip: strap the PORT pin for the required role at power-up; if you later need USB Power Delivery negotiation, migrate to the I2C-controlled TUSB322 family, which shares the same X2QFN footprint.

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TUSB3410VF - USB 2.0 UART IrDA Bridge | Texas Instruments
TUSB3410VF

TUSB3410VF - USB 2.0 UART IrDA Bridge | Texas Instruments

The Texas Instruments TUSB3410VF is a USB 2.0 full-speed serial-port controller that bridges an enhanced UART to a USB host, with additional I2C and IrDA connectivity, in a 32-pin LQFP package. It operates from a 3 V to 3.6 V supply, covers an industrial temperature range of 0°C to 70°C, and includes 10 kB of ROM. The USB 2.0 full-speed interface provides a practical connection path for legacy serial equipment while retaining compatibility with modern host computers. A USB-to-UART bridge is an interface IC that translates USB transactions into a conventional serial-port data stream. In the electronic-component hierarchy, the TUSB3410VF belongs to the USB interface-controller family and combines USB device-controller functionality with UART, I2C, and IrDA serial interfaces. This mixed connectivity allows one device to support USB-to-serial conversion and auxiliary control or infrared communication functions in embedded systems. Key features include USB 2.0 full-speed operation, an enhanced UART serial interface, I2C support, IrDA support, a 3 V to 3.6 V operating supply, and 10 kB of on-chip ROM. The 32-pin LQFP package provides enough pins for the USB data and power connections, UART signals, I2C signals, IrDA functions, clock requirements, and control or configuration pins. Its 0°C to 70°C rating targets commercial and industrial equipment operating without the extended temperature limits of an automotive-grade component. The TUSB3410VF is designed for legacy serial-port migration, where a conventional UART device would otherwise require a computer with a native serial connector. It can also serve as a multi-interface bridge when an installed system needs USB connectivity alongside I2C control or IrDA communication. The dedicated USB interface handles enumeration and data transfer while the UART presents a familiar serial interface to the embedded target. Typical applications include industrial serial adapters, legacy data-acquisition equipment, point-of-sale terminals, test and measurement instruments, embedded control systems, and infrared-capable peripheral interfaces. The component is particularly useful when an existing UART-based product must gain USB connectivity without redesigning its core serial subsystem. Designers should follow the manufacturer datasheet for crystal or clock selection, USB differential-routing requirements, decoupling, pull-up values, and I2C or IrDA implementation. USB signal integrity, connector protection, grounding, and firmware or host-driver compatibility should be verified before production release because the bridge hardware does not eliminate operating-system compatibility constraints. This page combines verified manufacturer and distributor information, package-specific facts, practical application guidance, comparison parameters, and design notes. It also distinguishes verified drop-in candidates from options that require further engineering review, providing useful engineering context beyond a basic distributor listing.

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TUSB4041IPAPQ1 - 4-Port USB 2.0 Hub AEC-Q100 | Texas Instruments
TUSB4041IPAPQ1

TUSB4041IPAPQ1 - 4-Port USB 2.0 Hub AEC-Q100 | Texas Instruments

The Texas Instruments TUSB4041IPAPQ1 is an automotive-qualified 4-port high-speed 480-Mbps USB 2.0 hub controller in a 64-pin HTQFP (PAP) package with exposed pad. It provides four downstream USB 2.0 ports from a single upstream port, full-speed (12 Mbps), high-speed (480 Mbps), and low-speed (1.5 Mbps) signaling, and operates over -40C to +85C with an automotive-grade qualification. A USB 2.0 hub is a critical interface IC that expands a single USB root port into multiple downstream ports, providing downstream device connect/disconnect detection, overcurrent protection coordination, transaction translation between split USB transactions, and configurable port-power switching. The TUSB4041IPAPQ1 sits in the USB hub controller product hierarchy (USB 2.0 hub -> USB hub -> USB interface IC -> interface IC -> semiconductor) and is widely deployed in automotive infotainment, body electronics, and rear-seat entertainment systems. Key features include integrated USB 2.0 high-speed PHY on every port, pin-strap configuration for battery-charging support, customization via OTP ROM, I2C EEPROM, or I2C/SMBus target interface for VID/PID/port/phy settings, optional upstream port indicator, and individual port power control with overcurrent sensing. The device uses a single 3.3 V supply plus an internal 1.1 V core regulator generated by the on-chip LDO. Internal termination, pull-up/pull-down resistors, and a built-in 5 V VBUS load switch controller (external n-MOSFET required) simplify PCB design. Suspend and remote wakeup signaling are managed in hardware, reducing firmware complexity. Typical applications include automotive head-unit USB ports, rear-seat entertainment hubs, body-control module USB service ports, industrial PC USB expansion, and embedded telematics USB interfaces. AEC-Q100 qualification makes the -Q1 device preferred for road-vehicle applications, while the non-Q1 TUSB4041IPAP serves commercial/industrial environments. When designing with this part, place the external 24.576 MHz crystal (or oscillator) within 5 mm of the XI/XO pins and provide a continuous ground reference under the exposed thermal pad for thermal and EMI performance. Per-port 5 V VBUS switches must use a logic-level n-MOSFET driven by the integrated DP1PWR output to share load-current and fault indications with the host. This page synthesizes distributor pricing for automotive-grade USB hubs, pin-compatible drop-in alternatives, and design considerations from the manufacturer datasheet not always highlighted on distributor listings.

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TUSB4041IPAPR - 4-Port USB 2.0 480-Mbps Hub | Texas Instruments
TUSB4041IPAPR

TUSB4041IPAPR - 4-Port USB 2.0 480-Mbps Hub | Texas Instruments

The Texas Instruments TUSB4041IPAPR is a 4-port high-speed 480-Mbps USB 2.0 hub controller in a 64-pin HTQFP (PAP) 10x10 mm package. It provides USB high-speed (480 Mbps) or full-speed (12 Mbps) connections on the upstream port and supports four downstream ports that operate at high-speed, full-speed, or low-speed. The industrial-grade version operates across -40C to +85C, making it suitable for embedded and industrial designs. A USB 2.0 hub controller is a serial-interface bridge that aggregates one upstream USB port into multiple downstream ports while managing the protocol handshakes, transaction translation, and per-port power control dictated by the USB 2.0 specification. It sits within the broader hierarchy of USB controllers -> interface ICs -> power management and connectivity silicon -> mixed-signal semiconductors. The TUSB4041I family supports both self-powered and bus-powered configurations, with integrated USB transceivers and optional battery-charging detection on downstream ports. Key features include 480-Mbps high-speed upstream operation, per-port over-current protection flags, integrated 1.5-kV ESD on USB signal lines, support for compound devices, and I2C/EEPROM configurability for vendor ID (VID), product ID (PID), and port-remap policy. Per-port power-switch control outputs enable ganged or individual port-power switching without external glue logic. The device integrates a UTMI+ low-pin-interface (ULPI) or integrated transceiver variant, a serial-interface engine, and a protocol layer that handles split transactions for full-/low-speed peripherals attached to high-speed upstream links. The HTQFP-64 footprint provides ample ground and power pins for signal-integrity routing on 2-layer consumer-grade boards. Typical applications include USB port expansion on industrial PCs, docking stations, monitors with built-in USB hubs, embedded HMI panels, and POS terminals. The industrial temperature range and integrated charge-detection features also make it a strong fit for automotive-infotainment accessories and medical USB peripherals. When designing with this part, place 27 ohm series termination resistors close to the USB DP/DM pins and provide adequate bulk capacitance on each downstream VBUS rail managed by the controller's power-switch enables.

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TUSB4041IPAPRQ1 - 4-Port USB 2.0 Hub, AEC-Q100 | Texas Instruments
TUSB4041IPAPRQ1

TUSB4041IPAPRQ1 - 4-Port USB 2.0 Hub, AEC-Q100 | Texas Instruments

The Texas Instruments TUSB4041IPAPRQ1 is an automotive-grade 4-port high-speed USB 2.0 hub controller supporting 480-Mbps upstream and downstream signaling in a 64-pin HTQFP (PAP) 10x10 mm package with an exposed thermal pad. The -Q1 suffix denotes AEC-Q100 qualification, making it suitable for in-vehicle USB expansion where reliability across -40C to +85C is mandatory. It integrates USB 2.0 transceivers, a serial-interface engine, hub repeater, and per-port power control with battery-charge support, allowing direct attachment to automotive head units, IVI systems, and telematics modules. 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.

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TUSB422IYFPR - USB Type-C Port Controller DSBGA-9 | Texas Instruments
TUSB422IYFPR

TUSB422IYFPR - USB Type-C Port Controller DSBGA-9 | Texas Instruments

The Texas Instruments TUSB422IYFPR is a USB Type-C port controller with integrated USB Power Delivery (USB PD) physical layer, housed in a 9-ball DSBGA (YFP) package measuring approximately 1.6 mm x 1.6 mm. It supports USB Type-C Cable and Connector Specification and USB Power Delivery 2.0, enabling up to 100 W of negotiated power and alternate-mode signaling through a single USB Type-C connection. The device operates from a single 3.3 V supply and communicates with an external Type-C Port Manager (TCPM) over standard I2C interface up to 400 kHz. A USB Type-C port controller is a specialized interface IC that sits between a USB Type-C receptacle and the application processor in devices such as laptops, tablets, monitors, docks, and power adapters. It performs attach/detach detection on the two Configuration Channel (CC) pins, decodes BMC-encoded USB PD messages, and reports cable orientation, role detection, and current-mode advertisement to the host. Compared with discrete USB-C implementations, a dedicated port controller reduces BOM count, simplifies firmware, and accelerates USB-IF compliance. Key features of the TUSB422 include configurable DFP (Downstream Facing Port), UFP (Upstream Facing Port), or DRP (Dual Role Port) operation, integrated Rp/Rd termination for CC1 and CC2, automatic cable-orientation detection, and a low-power standby mode. The internal BMC PHY uses 9-ohm termination (per USB PD spec) so it can be paired with common external load switches and VBUS power-path controllers without external components. The device is qualified to industrial temperature range (-40C to +85C) and is supplied Pb-free and RoHS-compliant. Architecturally, the TUSB422 separates the protocol layer from the physical layer. The PHY handles BMC encoding, preamble, and collision detection on CC1/CC2; the TCPM firmware running on the host MCU handles policy engine, protocol layer, and device policy manager functions. This partitioning lets OEMs keep policy and security logic in trusted firmware and reuse a single TUSB422 across product families. Typical applications include USB-C power adapters and chargers, notebook/dock side-band controller, USB-C monitors and hubs, smartphones and tablets, and Thunderbolt 3 / USB4 accessory adapters. Designers choose the TUSB422 when they need a small-footprint, TI-trusted USB PD PHY with proven USB Type-C compliance. Design note: TI recommends placing the TUSB422 as close as possible to the USB Type-C connector CC pins. Keep CC1/CC2 traces matched within 1 mm to within the receptacle pads to ensure USB-IF compliance testing passes. Decouple VDD 3V3 with at least 0.1 uF plus 1 uF ceramic capacitors. This page synthesizes distributor pricing, drop-in alternatives, and design notes not always consolidated on the manufacturer datasheet, enabling faster component selection and drop-in replacement decisions.

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TUSB5052PZ - 5-Port USB 2.0 Hub Controller with Serial Bridge | Texas Instruments
TUSB5052PZ

TUSB5052PZ - 5-Port USB 2.0 Hub Controller with Serial Bridge | Texas Instruments

The Texas Instruments TUSB5052PZ is a USB 2.0 hub controller with an integrated bridge to two serial ports, a maximum hub clock frequency of 6 MHz, and a 1.5 MBps data-transfer rate. The device is supplied in a 100-terminal LQFP package measuring 14 mm by 14 mm. Its commercial temperature grade, gull-wing terminal form, and square package outline support use in conventional embedded USB expansion designs. A USB hub controller is a semiconductor that manages traffic between one upstream USB connection and multiple downstream USB ports. The TUSB5052PZ belongs to the broader USB interface controller hierarchy, where USB interface ICs connect host controllers, peripherals, hubs, bridges, and external serial devices. Its configurable optional hub capability allows designers to combine hub and serial-interface functions in one device instead of allocating separate ICs for those functions. The verified listing identifies the TUSB5052PZ as a five-port USB 2.0 hub controller with a bridge to two serial ports. Its maximum clock frequency is 6 MHz, while its stated data-transfer rate is 1.5 MBps. The nominal operating voltage is 3.3 V, matching the power level commonly used by USB 2.0 interface circuitry. These characteristics make the controller relevant to embedded USB systems requiring multiple USB connections alongside serial-port expansion. The 100-LQFP (14 x 14 mm) package provides 100 external terminals and a square, gull-wing surface-mount form. Compared with a smaller connector-oriented USB interface package, this device exposes a substantially larger pin count to support hub-port and serial-bridge functions. Its specified commercial temperature grade is suitable for ordinary commercial equipment, although manufacturer ordering information and the full datasheet should be checked for detailed electrical limits and qualification requirements. Typical application areas include industrial control panels, multifunction printers, point-of-sale terminals, external storage enclosures, test equipment, and legacy-port expansion systems. In each case, the controller can sit between a USB host and downstream peripherals while presenting serial connectivity to embedded subsystems. System-level performance remains dependent on upstream USB bandwidth, device scheduling, cable quality, enumeration behavior, and the electrical implementation of the connected ports. Designers should verify every signal, supply, and termination connection against the manufacturer datasheet before layout release. The large 100-terminal package demands careful escape routing between fine-pitch leads, while USB differential pairs require controlled impedance and minimized stub length. Decoupling and high-speed return paths should also be planned so that the 3.3 V interface supply and USB data paths are not compromised by adjacent digital or switching circuitry. This product record combines the verified distributor specifications, commercial availability references, package information, and cross-reference findings for the TUSB5052PZ. It also documents where additional engineering data remain necessary, including detailed pin assignments, electrical limits, lifecycle declarations, pricing, and validated drop-in replacements. Those gaps are intentionally marked rather than replaced with unverified datasheet or substitution claims.

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TUSB5152PZ - 5-Port USB Hub Controller | Texas Instruments
TUSB5152PZ

TUSB5152PZ - 5-Port USB Hub Controller | Texas Instruments

The Texas Instruments TUSB5152PZ is a USB interface controller that integrates a configurable 5-port hub, two serial ports, and a bridge to the IEEE 1284 parallel port. The device is supplied in a 100-LQFP surface-mount package measuring 14 x 14 mm, as identified by DigiKey and the manufacturer datasheet search results. Its package designation uses the PZ suffix, while the verified distributor information identifies the device as an interface controller in the USB interface IC category. A USB hub controller is a semiconductor that manages traffic between a host USB interface and one or more downstream ports. A configurable USB 2.0 hub can allocate upstream bandwidth according to the activity presented by connected devices. The TUSB5152PZ extends this conventional hub role with two serial interfaces and an IEEE 1284 parallel-port bridge, allowing legacy printer and peripheral connectivity to coexist within a system designed around USB. This integration reduces the need for separate interface components when both USB expansion and legacy peripheral support are required. The verified product descriptions identify an optional five-port hub configuration, two serial ports, and one parallel-port bridge. The parallel interface is specified as IEEE 1284, the legacy printer-port standard supported by the integrated bridge. The two serial ports provide additional data paths for system integration, although individual electrical rates and protocol details are not included in the supplied verified snippets and therefore cannot be stated here as confirmed specifications. The TUSB5152PZ is packaged in a 100-LQFP with 14 x 14 mm body dimensions. This high-pin-count surface-mount package exposes the hub, serial, and parallel functions to a controller-oriented PCB design. A complete design must route the relevant USB, serial, parallel, clock, power, and control signals according to the manufacturer datasheet. Because no verified public pin table was included in the supplied results, no pin-level assignments are asserted on this page. Typical applications include compact USB-to-IEEE-1284 printer adapters, multifunction office peripherals, industrial interface equipment, and legacy computer expansion systems. The device is particularly relevant where one controller must provide USB hub expansion while also maintaining compatibility with serial accessories and an IEEE 1284 printer connection. Product selection should account for the exact USB speed grade, supported serial interface standards, clock requirements, and system power needs found in the complete manufacturer documentation. Supply information identifies TUSB5152PZ as a product replaced by TUSB5052. Verified distributor listings also describe the component as available and provide pricing from $7.2600 at quantity one. This page combines the verified package and lifecycle information, pricing tiers, application guidance, and explicitly documents unresolved technical details rather than inferring unavailable specifications.

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TUSB7320RKMR - USB 3.0 2-Port xHCI Host Controller | Texas Instruments
PTUSB7320RKMR

TUSB7320RKMR - USB 3.0 2-Port xHCI Host Controller | Texas Instruments

The Texas Instruments TUSB7320RKMR is a SuperSpeed USB 3.0 2-port xHCI (eXtensible Host Controller Interface) host controller that bridges a PCI Express upstream port to two USB 3.0 downstream ports, housed in a 100-pin WQFN-MR (RKM) package measuring 9x9 mm with an exposed thermal pad. The device integrates an xHCI 1.0 compliant controller core, supports USB 3.0 (5 Gbps), USB 2.0 (480 Mbps), and USB 1.1 (12/1.5 Mbps) through dual mode ports, and provides USB Battery Charging 1.2 support including CDP/DCP modes for downstream charging. A USB 3.0 xHCI host controller is a specialized protocol bridge that lets a host processor running an xHCI-class driver enumerate and manage downstream USB devices at SuperSpeed, High-Speed, Full-Speed, and Low-Speed. Within the broader hierarchy it sits as an interface IC between the PCI Express fabric and the USB device tree, enabling motherboards, docking stations, and embedded platforms to add or expand USB ports without redesigning the core chipset. The TUSB7320 family is positioned above PCIe-to-USB 2.0 controllers and below root-complex integrated host silicon that bundles USB directly into the SoC. Key features include two USB 3.0 downstream ports operating at 5 Gbps SuperSpeed plus backward compatibility with legacy USB rates, one PCI Express Gen 2 upstream port (x1 lane) running at 5 Gbps, integrated 5V to 3.3V/1.8V/1.2V/0.9V core voltage regulators, and per-port power switching controls. The device supports USB attach/detach protocol, overcurrent detection, and dual-role flexibility via ID-pin and OTG signaling on the upstream port. Architecturally, the TUSB7320 uses a SerDes-based PHY pair per downstream port for SuperSpeed signaling, a hardened xHCI controller engine for transaction translation, and a PCIe physical layer. The internal regulator block removes the need for most external power rails, simplifying board layout. Reference designs in the TUSB73x0 datasheet family describe PCIe edge connector pinout, USB connector wiring, and recommended decoupling for the internal LDO bank. Typical applications include PC motherboards, notebook docking stations, industrial PCs, point-of-sale terminals, USB port replicators, and embedded platforms that need two USB 3.0 downstream ports from a standard PCIe x1 slot. The device is also found in test fixtures and breakout boards that expose USB 3.0 traffic for analyzer capture. When using the TUSB7320RKMR, allocate thermal relief on the exposed pad (EP) and observe the 100 us PCIe reference-clock stable period before deasserting PERST to ensure proper link training. Designers should also follow the inrush current profile on VBUS when enabling ports that may already have devices attached. This page synthesizes distributor pricing, drop-in alternatives from the TUSB73x0 family and cross-vendor host controllers, and practical design notes not found in the manufacturer datasheet.

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TUSB7320RKMR - USB 3.0 xHCI 2-Port Host Controller | Texas Instruments
TUSB7320RKMR

TUSB7320RKMR - USB 3.0 xHCI 2-Port Host Controller | Texas Instruments

The Texas Instruments TUSB7320RKMR is a SuperSpeed USB 3.0 two-port xHCI host controller with a PCIe x1 Gen 2 upstream interface, packaged in a 100-pin WQFN-MR (RKM) 9x9 mm footprint. The device delivers two downstream USB 3.0 ports supporting SuperSpeed (5 Gbps), high-speed, full-speed, and low-speed USB traffic, and operates from 1.1 V and 3.3 V supplies. It is qualified for the commercial 0 °C to 70 °C range in a green/RoHS-compliant plastic WQFN-100 housing. Per TI product information, the TUSB7320 and its four-port sibling TUSB7340 share the same pin-compatible 100-pin RKM package, allowing board reuse across port-count variants. An xHCI (eXtensible Host Controller Interface) host controller is the silicon that sits between a root-complex PCIe link and the physical USB ports on a system. The xHCI class driver in the OS enumerates USB 3.0/2.0/1.1 devices without requiring companion controllers, so a single TUSB7320 turns a PCIe-capable SoC or add-in card into a fully featured USB root hub. It belongs to the broader hierarchy of bus controllers -> interface ICs -> USB controllers -> SuperSpeed xHCI controllers -> mixed-signal semiconductors. Key features include hardware-automated USB attached SCSI protocol (UASP), PCI Express x1 Gen 2 connectivity, integrated 5 Gbps PHY, per-port battery charging support, and integrated power switching/overcurrent logic. The WQFN-MR package exposes an exposed thermal pad and offers good thermal dissipation in dense designs. The device also supports USB legacy and modern BIOS hand-off, enabling universal compatibility across Windows, Linux, and embedded RTOS hosts. Architecturally, the TUSB7320 uses a PCIe Gen 2 PHY paired with a protocol engine that handles transaction translation, scatter-gather DMA, and xHCI command ring processing. An embedded USB 3.0 PHY provides SuperSpeed signaling, while the USB 2.0 PHY supports the lower-speed pairs. The chip exposes SMBus for management, GPIO for port indicators, and JTAG for boundary-scan test. Typical applications include desktop PC motherboards, industrial embedded PCs, USB 3.0 PCIe add-in cards, docking stations, point-of-sale terminals, industrial PCs, and test-and-measurement chassis that need reliable downstream USB 3.0 connectivity. The pin-compatible TUSB7340 covers the same use cases where four ports are required. When designing with this part, allocate a solid ground reference under the WQFN thermal pad and stitch vias to inner ground planes for the 5 Gbps signal integrity. Provide adequate bulk capacitance on the 1.1 V and 3.3 V rails and follow TI reference layout for PCIe routing (90 ohm differential, length-matched within 150 mil). This page synthesizes distributor pricing, drop-in alternatives, application context, and design guidance that go beyond a single datasheet table.

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TUSB7340IRKMT - USB 3.0 4-Port xHCI Host Controller | TI
TUSB7340IRKMT

TUSB7340IRKMT - USB 3.0 4-Port xHCI Host Controller | TI

The Texas Instruments TUSB7340IRKMT is a SuperSpeed USB 3.0-compliant 4-port xHCI host controller with a PCIe x1 Gen 2 host interface, 5 Gbps SuperSpeed throughput, and a 1.1 V core / 3.3 V I/O supply, housed in a 100-pin WQFN-MR (RKM) 9x9 mm package operating from -40C to +85C. A USB xHCI host controller is an interface IC that implements the eXtensible Host Controller Interface standard, offloading USB protocol management from the host CPU. In the power-management and interface hierarchy, it sits between a PCIe root complex and downstream USB physical ports, translating PCI Express transactions into USB 3.0 SuperSpeed, high-speed, full-speed, or low-speed traffic on each downstream port. Key features include four downstream USB 3.0 ports, support for SuperSpeed (5 Gbps), high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data rates, and a PCIe x1 Gen 2 (5 GT/s) upstream link. This makes the TUSB7340 well suited to designs that must add multiple SuperSpeed ports to an x86 or embedded host with a single PCIe lane. Technically, the TUSB7340 integrates the xHCI controller, PCIe Gen 2 PHY, and USB 3.0 PHYs in CMOS on a single die, with power rails of 1.1 V (core) and 3.3 V (I/O and PHY). The integrated PHYs reduce bill-of-materials complexity and board area compared with discrete PHY-plus-controller architectures. According to the TI TUSB73x0 datasheet, the TUSB7340 and TUSB7320 share a pin-compatible 100-pin RKM package, enabling a common PCB design that supports either two-port or four-port configurations. Typical applications include docking stations, PCI Express add-in cards, embedded industrial computing, and motherboards requiring additional SuperSpeed ports. The four-port count directly addresses designs where hub-chip cascading is undesirable for latency or BOM reasons. Design consideration: because SuperSpeed links run at 5 Gbps, controlled-impedance routing of the USB 3.0 differential pairs and the PCIe link with proper reference planes is essential; follow the TI datasheet layout guidelines for the WQFN-MR exposed-pad package, which must be soldered to a ground pour for thermal and return-path integrity. This page synthesizes distributor pricing context, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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TUSB8020BPHPR - 2-Port USB 3.0 Hub 5Gbps | Texas Instruments
TUSB8020BPHPR

TUSB8020BPHPR - 2-Port USB 3.0 Hub 5Gbps | Texas Instruments

The Texas Instruments TUSB8020BPHPR is a two-port SuperSpeed USB 3.0 hub controller that supports 5.0 Gbps upstream and downstream signaling, housed in a 48-pin HTQFP (PHP) package measuring 7x7 mm. It provides simultaneous SuperSpeed and high-speed/full-speed connections on the upstream port while offering SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream ports, making it a true multi-speed USB 3.0 compliant hub. The device operates from 1.1 V and 3.3 V supplies and exposes USB, GPIO, I2C, and SMBus interfaces for host-side configuration. A USB hub is a device that expands a single USB host port into multiple downstream ports, allowing several peripherals to share one upstream connection. The TUSB8020B belongs to the USB hub controller product family within the broader interface IC taxonomy (USB hub controller -> interface IC -> integrated circuit -> semiconductor). USB 3.0 hubs operate at 5 Gbps SuperSpeed, which is roughly ten times faster than USB 2.0 high-speed (480 Mbps), and are required to remain backward compatible with USB 2.0 and USB 1.1 devices through dedicated signaling pipelines. Key features include two downstream ports, full SuperSpeed 5 Gbps support per port, integrated termination and pull-up/pull-down resistors, per-port or ganged power switching control, configurable through I2C/SMBus, and individual port overcurrent detection. The device supports battery charging (BC1.2) detection logic when paired with an external charger IC. Its commercial temperature range of 0C to 70C and HTQFP package make it suitable for consumer docking stations, monitors, and embedded platforms. The TUSB8020B uses a UTMI/UTMI+ (USB 2.0 Transceiver Macrocell Interface) plus a PIPE (PHY Interface for the PCI Express and USB 3.0 Architectures) physical interface to its internal PHYs, eliminating the need for external PHY components. The hub transaction translator manages bandwidth sharing between USB 2.0 and USB 3.0 traffic streams. Typical applications include desktop and laptop docking stations, USB 3.0 port expanders, multi-function monitors, embedded system host boards, industrial PCs, and storage enclosures with multiple USB 3.0 connectors. When designing with this part, provide a 12 MHz crystal or clock reference and follow the USB 3.0 layout guidelines: 90-ohm differential impedance for SuperSpeed pairs, length matching within 150 mil, and continuous reference planes on adjacent layers. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, application circuits, and practical design notes not consolidated on the manufacturer datasheet landing page.

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TUSB8040A1RKMR - 4-Port USB 3.0 Hub, 100-WQFN | Texas Instruments
TUSB8040A1RKMR

TUSB8040A1RKMR - 4-Port USB 3.0 Hub, 100-WQFN | Texas Instruments

The Texas Instruments TUSB8040A1RKMR is a four-port USB 3.0 compliant hub controller housed in a 100-pin WQFN-MR (9x9 mm) package with an exposed thermal pad, operating from a single 3.3V supply over the commercial 0C to 70C temperature range. The device supports simultaneous SuperSpeed USB (5 Gbps) and high-speed or full-speed signaling on the upstream port, while each downstream port independently supports SuperSpeed, high-speed, full-speed, or low-speed connections, making it a flexible building block for hosts that must expose multiple downstream USB devices. A USB hub is a tier-1 interconnect device in the USB topology that expands one upstream port into multiple downstream ports while managing transaction translation, power distribution, and signaling at each speed node. The TUSB8040A1 family implements a USB 3.0 SuperSpeed transaction translator along with the classic USB 2.0 hub repeater logic on a single die, exposing configuration pins, GPIOs, and battery-charging controls so designers can scale the same part from low-cost consumer docks to high-port-count industrial hosts. Key features include support for USB 3.0 SuperSpeed on all four downstream ports, integrated USB 2.0 hub repeater logic, configurable downstream port power switching and over-current inputs, an I2C/SMBus slave interface for status and configuration, multi-status LED indicators, and pin-selectable SMBus or I2C address options. The 100-pin WQFN-MR footprint provides a compact thermal path through the exposed pad, allowing sustained 5 Gbps operation without external heatsinking in well-ventilated enclosures. Architecturally, the TUSB8040A1 combines a USB 3.0 physical layer capable of 5 Gbps serial signaling, a SuperSpeed transaction translator, a USB 2.0 high-speed hub controller, and an integrated power-management block that handles per-port VBUS switching and over-current fault reporting. The configuration strap pins, combined with the I2C/SMBus interface, allow firmware to control per-port battery-charging modes, compound hub behavior, and the device's dual-role flexibility. Typical applications include USB 3.0 docking stations, desktop and laptop port-replicators, industrial PCs with multiple USB peripherals, embedded platforms requiring USB-3 Vision or USB mass-storage fan-out, and embedded host boards for point-of-sale, kiosk, and test-and-measurement systems where a processor only exposes one upstream USB-3 port but the design requires multiple downstream USB-3 endpoints. When designing with the TUSB8040A1, follow the High-Speed PCB layout guidelines in the manufacturer datasheet: route the SuperSpeed differential pairs with 90 ohm differential impedance, place the 12 MHz crystal close to the XI/XO pins, and connect the exposed thermal pad to a solid ground plane. Per-port VBUS switches must be sized for the cumulative downstream load and protected against inrush faults to comply with USB-IF compliance testing. This page synthesizes distributor stock data, cross-reference alternatives, and practical PCB layout notes that go beyond the manufacturer datasheet, helping engineers select and integrate the TUSB8040A1RKMR quickly into new USB-3.0 host designs.

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TUSB8041ARGCR - 4-Port USB 3.1 Hub Controller | Texas Instruments
TUSB8041ARGCR

TUSB8041ARGCR - 4-Port USB 3.1 Hub Controller | Texas Instruments

The Texas Instruments TUSB8041ARGCR is a 4-port SuperSpeed USB 3.1 Gen1 hub controller operating at 5 Gbps, housed in a 64-pin VQFN (RGC) 9x9 mm package with exposed thermal pad. It provides upstream USB 3.0 connectivity and four downstream ports, each capable of SS (5 Gbps), HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) signaling. A USB hub is a USB class-defined device that expands a single upstream USB port into multiple downstream ports while managing power, enumeration, and transaction translation. The TUSB8041 family sits within the broader hierarchy of USB controllers, peripheral interface ICs, and interface ICs in the semiconductor taxonomy. It supports USB Type-A downstream ports and is commonly used to add four ports to a system with a single USB 3.0 upstream port. Key features of the TUSB8041ARGCR include support for USB Battery Charging (BC) 1.2 charging downstream ports, integrated 5-V tolerant I/O, per-port power switching with individual enable control, and configuration via GPIO, I2C, or SMBus interfaces. The device also supports USB Type-C port-reversal logic when used with an external Type-C controller, and offers pin-selectable upstream port configuration. Internal spread-spectrum clocking reduces EMI on the SuperSpeed signal paths. The architecture combines a USB 2.0 hub controller and a USB 3.0 hub controller on a single die, sharing common configuration logic. Per-port SuperSpeed PHY blocks operate independently, and traffic scheduling is managed by a hardware transaction translator. The device enumerates as a compound USB hub and supports standard USB hub class commands plus vendor-specific commands for charger-port behavior and GPIO control. Typical applications include USB expansion in desktop motherboards, docking stations, automotive infotainment head units, industrial PCs, monitor USB hubs, and embedded computing platforms that require multiple downstream USB 3.0 ports from a single host connection. The wide industrial temperature support enables in-vehicle and factory-floor deployment. When designing with this part, observe the PCB layout guidelines in the datasheet: keep the SuperSpeed differential pairs matched to 85 ohm differential impedance, decouple each VBUS supply pin with a 0.1 uF ceramic capacitor, and place the upstream port common-mode chokes close to the connector. Daisy-chained hubs are supported up to 5 tiers per USB specification. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical PCB layout notes not consolidated in the manufacturer datasheet alone.

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