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USB2503-HZH - 3-Port USB 2.0 Hub Controller | Microchip
The Microchip USB2503-HZH is an integrated USB 2.0 compliant 3-port hub controller housed in a 48-pin QFN-EP (7x7 mm) package with an exposed thermal pad. The device is fully compliant with the USB 2.0 specification and requires no firmware development, simplifying integration into embedded systems, docking stations, monitors, and multi-port consumer electronics. When attached to a USB high-speed host, the three downstream ports each support low-speed (1.5 Mb/s), full-speed (12 Mb/s), and high-speed (480 Mb/s) operation through dedicated transaction translators. A USB hub controller is a line/bus controller that expands a single upstream USB port into multiple downstream ports while handling protocol translation, power management, and device enumeration. The USB2503 belongs to the hub controller family, which sits within the broader USB interface IC category and the overall peripheral controller hierarchy. The device integrates a Transaction Translator (TT) per port using Microchip's MultiTRAK technology, which improves concurrent bandwidth by allowing multiple full-/low-speed devices to operate simultaneously without bandwidth contention. Key features include pin-selectable default configuration, optional EEPROM or SMBus microcontroller configuration, integrated 1.8 V core LDO, support for both bus-powered and self-powered modes, dynamic port-power switching, and per-port overcurrent detection. The 48-QFN-EP package provides an exposed thermal pad for enhanced heat dissipation and a 0.5 mm pitch for compact PCB layout. The device operates from 3.0 V to 3.6 V and supports a 0 °C to 70 °C commercial temperature range. Architecturally, the USB2503 combines a USB 2.0 physical layer, serial interface engine, hub repeater, three transaction translators, and port-control logic on a single die. The integrated USB transceivers support both high-speed (480 Mb/s) and full-speed (12 Mb/s) signaling, with internal pull-up/pull-down resistors defined by the USB specification. Configuration via an external I2C EEPROM or an SMBus-capable microcontroller enables vendor ID, product ID, port-remap, and non-removable-port settings without firmware changes to the host. Typical applications include USB port expansion in desktop PCs, docking stations, monitors with built-in USB hubs, industrial PCs, point-of-sale terminals, embedded computing platforms, and USB-equipped printers. Designers select this part when a 3-port USB 2.0 hub is needed with no firmware investment and minimal BOM cost. When designing with this part, ensure downstream-port power filtering complies with USB 2.0 inrush and voltage-drop budgets, and connect 10 kΩ pull-ups on SDA/SCL per the SMBus 1.0 specification. The exposed pad must be soldered to the ground plane to meet thermal and EMI performance. This page synthesizes distributor pricing, pin-compatible drop-in alternatives such as the USB2513B-AEZC family, and practical layout notes not consolidated in the manufacturer datasheet.
USB2503A-HZE - USB 2.0 3-Port Hub Controller | Microchip
The Microchip Technology USB2503A-HZE is a USB 2.0-compatible three-port hub controller with no firmware development required, supplied in a 48-QFN package. It supports downstream operation at high-speed 480 Mbit/s, full-speed 12 Mbit/s, and low-speed 1.5 Mbit/s when connected to a USB high-speed host. Three transaction translators provide independent downstream-port operation and improve performance when multiple devices communicate concurrently. A USB hub controller is a system semiconductor that bridges one upstream USB port to multiple downstream ports while implementing the electrical, protocol, and power-management behavior defined by USB. The USB2503A belongs to the USB interface-controller hierarchy, where USB interface ICs manage host, device, or hub connectivity and help organize peripherals into a tiered USB topology. The principal documented features include USB 2.0 compliance, three downstream ports, three transaction translators, and support for high-speed, full-speed, and low-speed devices. The hub does not require firmware development, which can simplify product integration and reduce the software validation burden. Its 48-QFN package also supports compact multilayer PCB layouts, although exposed-pad thermal management and careful high-speed layout remain important. Dynamic power switching allows the controller to monitor the external SELF_PWR signal and detect changes in local power availability. When the power source changes, the hub disconnects downstream devices and the upstream port before reconnecting as either a bus-powered or self-powered hub according to the available power configuration. This behavior helps prevent devices from receiving inadequate current during source transitions. The SMBus configuration interface uses the SDA/SMBDATA and SCL/SMBCLK/CFG_SELO lines. The manufacturer datasheet requires external pull-up resistors, with 10 kΩ recommended, from those lines to VCC. Designers should follow the SMBus 1.0 Specification and applicable EEPROM manufacturer guidance when the configuration EEPROM is used. Typical installations include USB docking stations, desktop peripherals, embedded host systems, industrial equipment, and multi-device USB hubs. Application selection must account for upstream and downstream cable length, bus-powered load limits, self-powered operation, EEPROM configuration, and high-speed signal integrity. The available distributor pricing starts at $1.56 as of 2026-10-28, while exact lifecycle, voltage, current, and pin-level details should be confirmed against the manufacturer datasheet and current Microchip product page. This page consolidates verified manufacturer and distributor information, explicitly identifies unavailable engineering data, and avoids presenting unverified substitutes as guaranteed drop-in replacements. This distinction is important because a USB hub controller replacement must match package geometry, pin functions, electrical limits, configuration interface behavior, and power-management timing—not merely the number of USB ports.
USB2503A-HZH - USB 2.0 3-Port Hub Controller | Microchip
Microchip USB2503A-HZH is a USB 2.0-compatible three-port USB hub controller with a 48-QFN-EP 7 x 7 mm package. It supports low-speed operation at 1.5 Mb/s, full-speed operation at 12 Mb/s, and high-speed operation at 480 Mb/s. The controller operates from 1.62 V to 3.6 V and includes three transaction translators, flexible configuration options, and selectable downstream-port power management. A USB hub controller is an interface IC within the USB interface-controller hierarchy. It connects one upstream USB host connection to multiple downstream USB ports, allowing peripherals such as storage devices, keyboards, network adapters, and industrial USB modules to share one host port. Unlike a host controller that manages operating systems and device software, the USB2503A-HZH handles USB signaling, port transactions, configuration, and power distribution while requiring no firmware development. The principal features include full USB 2.0 operation, one transaction translator per downstream port, low-speed, full-speed, and high-speed device support, per-port or ganged power control, and detection of both bus-powered and self-powered operating conditions. Configuration can use pin-selectable defaults, an external serial EEPROM, or a microcontroller interface. When the microcontroller interface is used, the hub operates as an SMBus slave device. In the architecture described by the Microchip USB2503/USB2503A datasheet 00002249A, dynamic power switching monitors the external SELF_PWR input. If the available power source changes, the hub disconnects downstream devices and the upstream connection before reattaching in the appropriate bus-powered or self-powered configuration. External 10 kΩ pull-up resistors are recommended on SDA/SMBDATA and SCL/SMBCLK/CFG_SEL0 lines according to the SMBus 1.0 Specification and EEPROM-manufacturer guidance. Typical implementations include compact desktop USB expansion, USB-to-serial systems, embedded equipment with multiple service connections, data-acquisition equipment, and powered peripherals. The three downstream ports are useful when a compact host interface must support several external devices without adding another system controller. The primary design constraint is accurate implementation of USB power, signal routing, configuration straps, and exposed-pad thermal management. Maintain the specified USB differential routing and supply decoupling, and verify the external power-source transition behavior before enabling downstream loads. Because the available web data does not provide a complete pin table, designers should use the manufacturer datasheet for final pin assignments and layout values. This page consolidates the verified USB 2.0 speeds, operating range, package information, configuration methods, and sourcing links for USB2503A-HZH. It also identifies the manufacturer's recommended USB2513B replacement direction while clearly distinguishing a documented replacement path from a verified pin-for-pin drop-in substitute.
USB2504-JT USB 2.0 4-Port Hub Controller | Microchip
The Microchip Technology USB2504-JT is a USB 2.0 four-port hub controller with no firmware development required, supporting low-speed 1.5 Mb/s, full-speed 12 Mb/s, and high-speed 480 Mb/s downstream operation in a 64-pin TQFP package measuring 10 x 10 mm. The controller integrates the hub interface logic needed to manage four USB downstream ports while attaching to a USB host. An integrated USB hub controller is a semiconductor interface device that expands one host USB connection into multiple downstream ports. It sits between a USB host and peripherals, handling port attach, disconnect, enumeration, power-gating, and traffic routing. The USB2504 family is positioned within the USB interface-controller and peripheral-controller hierarchy, providing infrastructure for USB hubs without requiring a separate hub firmware. Key features include compliance with the USB 2.0 specification, four downstream ports, firmware-free configuration, low-speed, full-speed, and high-speed downstream support, and operation from a 3 V to 3.6 V supply according to the USB2504A-JT comparison data. Configuration can use strapping options, an external EEPROM, or a microcontroller interface; when connected to a microcontroller, the hub appears as an SMBus slave device. The controller is designed for USB hubs, docking stations, KVM equipment, and embedded systems that need more than one USB port. Its 64-pin TQFP package provides the required external connectivity for four downstream channels and upstream USB signaling. USB 2.0 hub designs must still provide correct power distribution, downstream-port protection, layout routing, and connector implementation; the controller itself does not eliminate those board-level requirements. A key design consideration is power budgeting. Each enabled downstream port can require current for attached USB devices, so the power supply, switches, protection components, and connector wiring must be sized for the worst-case load. High-speed USB traces also require controlled impedance, short return paths, and careful separation from noisy power and switching circuitry. Microchip documentation provides configuration guidance for EEPROM and microcontroller-based implementations. This page synthesizes verified manufacturer and distributor information, cross-reference results, package details, and practical engineering considerations. It distinguishes documented USB2504 features from parameters that require confirmation in the manufacturer datasheet, helping engineers evaluate the USB2504-JT for four-port USB hub designs.
USB2504A-JT - USB 2.0 4-Port Hub Controller | Microchip
The Microchip Technology USB2504A-JT is a USB 2.0 four-port hub controller supporting high-speed 480 Mbit/s, full-speed 12 Mbit/s, and low-speed 1.5 Mbit/s devices. It is supplied in a 64-pin TQFP package measuring 10 mm by 10 mm and operates from a 3 V to 3.6 V supply. A USB hub controller is an interface IC that expands one upstream USB connection into multiple downstream ports while managing transaction translation, enumeration, power, and device connectivity. The USB2504A belongs to the USB interface-controller hierarchy, integrating USB 2.0 connectivity and four-port hub management into a single semiconductor device. The controller provides four transaction translators, one per downstream port, for independently handling supported USB traffic speeds. It supports per-port or ganged, selectable downstream power control and can detect whether the hub source is bus-powered or self-powered. According to the Microchip product page, the device is fully USB 2.0 compliant and requires no firmware development. Configuration can begin with pin-selectable defaults, limited strapping options, an external EEPROM, or a microcontroller interface. When configured through a microcontroller, the hub appears as an SMBus slave, allowing an external controller to alter supported configuration options. Dynamic power switching monitors the SELF_PWR input and removes downstream and upstream power when local supply availability changes. Typical uses include USB 2.0 docking stations, desktop hubs, KVM equipment, external storage interfaces, embedded USB expanders, and industrial peripheral hubs. Four high-speed transaction translators make the controller appropriate when several peripherals must coexist behind one host connection without relying on USB firmware. PCB design must preserve high-speed USB routing discipline, including a short upstream path, controlled impedance, continuous reference planes, and placement of required decoupling close to the device. The exact pin names, capacitor values, clock requirements, operating temperature, and power ratings must be confirmed against the manufacturer datasheet before layout release. This page consolidates the verified manufacturer and distributor facts, distinguishes the explicitly supported USB2504-JT cross-reference from unsupported substitutions, and identifies engineering details that still require direct datasheet confirmation.
USB2507-ADD - USB 2.0 7-Port Hub | Microchip Technology
The Rochester Electronics USB2507-ADD is an integrated USB 2.0-compatible seven-port hub controller based on the SMSC USB2507, packaged in an 80-pin TQFP measuring 12 x 12 mm. It supports seven downstream USB connections at low speed, 1.5 Mb/s, full speed, 12 Mb/s, and—when attached to a high-speed host—high speed, 480 Mb/s. Configuration does not require custom firmware, making the device suitable for embedded USB expansion, legacy PC systems, printers, storage peripherals, and industrial equipment. A USB hub controller is an interface IC that bridges one upstream USB host connection to multiple downstream ports while transaction translators isolate traffic on each active link. Within the USB interface hierarchy, the USB2507 family belongs to the seven-port hub-controller class and implements USB 2.0 connectivity. Per-port or ganged downstream power control can be selected, while bus-powered and self-powered source conditions can be detected. Configuration can use strapping options, an external EEPROM, or a microcontroller interface; with the latter, the hub operates as an SMBus slave. Key verified capabilities include seven transaction translators, operation at 1.5 Mb/s, 12 Mb/s, and 480 Mb/s, full power management, selectable per-port or ganged power control, and bus-power or self-power detection. The controller also supports an on-board 24 MHz crystal driver or a 24 MHz external clock, an internal PLL for 480 MHz USB 2.0 sampling, and an integrated 1.8 V linear voltage regulator. These blocks reduce the external clock, timing, and supporting circuitry normally required by a multiport USB hub. The -ADD order code is offered in the same 80-TQFP, 12 x 12 mm package identified for USB2507-ADT by the verified distributor data. Because both parts use the same base USB2507 family, that package relationship supports direct footprint reuse, although functional equivalence should still be confirmed against the manufacturer pin table and ordering information. The manufacturer documentation also identifies SMBus and serial configuration paths, supporting designs that require adjustable runtime or manufacturing configuration. Typical installations include legacy industrial computers, medical carts, test systems, peripheral concentrators, USB-to-serial equipment, and embedded platforms needing more than the host controller's native ports. In a typical design, one upstream USB line connects to the host, while seven downstream routes connect to internal or external connectors. The principal engineering constraints are USB differential routing, correct power budgeting, connector protection, support for bus- or self-powered operation, and compliance with the electrical requirements stated in the manufacturer datasheet. When laying out the board, treat the differential USB pairs as controlled-impedance nets and keep upstream and downstream routing separated to minimize crosstalk. Provide the crystal or supported 24 MHz clock network exactly as specified, place decoupling close to the supply pins, and confirm that downstream power switches can meet the required inrush and over-current behavior. The USB2507-ADD can simplify firmware development, but it does not remove the need for correct host support, power architecture, connector design, and USB signal integrity.
USB2507-ADT USB 2.0 7-Port Hub Controller | Microchip
The Microchip Technology USB2507-ADT is an integrated USB 2.0-compatible seven-port hub controller with high-speed 480 Mbit/s, full-speed 12 Mbit/s, and low-speed 1.5 Mbit/s operation, housed in an 80-pin TQFP package measuring 12 x 12 mm. It provides one upstream host-facing connection and seven downstream USB ports, making it a practical interface controller for powered hubs, docking systems, industrial equipment, and multiport USB expansion. A USB hub controller is a semiconductor that manages traffic between one upstream USB host and multiple downstream peripherals. It belongs to the USB interface-controller hierarchy, which combines USB transaction translation, port management, clock recovery, power supervision, and device connectivity. The USB2507 is designed as a dedicated USB 2.0 hub rather than a general-purpose microcontroller, reducing the need for custom firmware and allowing compatible USB devices to share a host port. Verified product information identifies seven downstream ports, USB 2.0 compatibility, and support for low-speed, full-speed, and high-speed devices. Search results also describe an internal 24 MHz crystal-driver circuit or external 24 MHz clock source, an internal phase-locked loop for 480 Mbit/s sampling, an internal 1.8 V linear regulator, integrated USB terminations and bias resistors, and short-circuit protection on USB differential pins. These functions support a compact hub implementation while reducing external clock and signal-conditioning overhead. Configuration flexibility is provided through strapping options, an external EEPROM, or a microcontroller interface. Search data indicates that a microcontroller-connected hub appears as an SMBus slave, while strap options modify a limited subset of configuration choices. This allows prototype settings to change without firmware and production designs to use persistent configuration when required. Typical uses include USB docking stations, external storage connectivity, laboratory equipment, computer-accessory consolidation, and embedded systems that need seven downstream USB connections. The controller should be paired with suitable hub-board power switching, protection, connectors, and layout that preserves USB differential-signal integrity. Designers must also verify the current electrical limits, pin functions, clock source, and reference configuration directly against the manufacturer datasheet before layout release. The principal design consideration is that USB hub design combines high-speed edge-rate signaling with exposed connector paths. Controlled impedance, short matched traces, careful return paths, correct terminations, and verified power-supply sequencing are essential. The 80-pin TQFP footprint is not interchangeable with a smaller controller without a PCB redesign, even when another hub offers the same USB version. This product record combines the verified Microchip USB2507 data, official datasheet links, distributor package information, configuration details, and practical implementation guidance. It is intended to support engineering selection and sourcing, while flagging missing electrical, lifecycle, pricing-tier, pinout, and compliance values rather than inventing them.
USB2512-AEZG - USB 2.0 2-Port Hub Controller | Microchip
The Microchip Technology USB2512-AEZG is a USB 2.0 high-speed two-port hub controller in a 36-QFN (6 x 6 mm) package, with a 3 V to 3.6 V operating supply and integrated regulator, ESD protection, battery-charging support, and downstream port power-switch control. It is designed for systems that need one USB host connection to manage two USB downstream ports while supporting mixed-speed USB devices. A USB hub controller is an interface IC within the broader USB interface-controller and USB connectivity hierarchy. It sits between a USB host and connected peripherals, coordinating enumeration, traffic routing, power management, and device attachment across downstream ports. The USB2512 belongs to Microchip's USB251x family, which uses MultiTRAK technology to support efficient USB 2.0 operation in mixed-speed device environments. The key features of USB2512-AEZG include USB 2.0 high-speed operation, two downstream ports, 3.3 V operation, 3.3 V and port power-switch control, an internal regulator, ESD protection, and BC1.1 protocol support. These functions consolidate essential hub behavior into one interface IC while reducing the number of external support functions required around USB connectors and downstream power paths. Technically, the device integrates USB host-to-downstream-port connectivity with low-power device-management functions. Its internal regulator supports the USB 2.0 hub implementation, while port power-switch control can coordinate downstream power states. ESD protection is valuable because USB ports are frequent mechanical entry points for electrostatic discharge. Battery-charging protocol support allows compatible devices to negotiate charging behavior over USB in suitable product designs. Typical uses include two-port USB hubs, docking stations, printer and storage peripherals, embedded USB expanders, industrial interface equipment, and compact consumer accessories. In each application, the controller reduces system USB port count while retaining USB 2.0 compatibility and centralized downstream power management. Designers should confirm pin assignment, crystal requirements, port-power components, and programming configuration against the manufacturer datasheet before layout release. Because the supplied data does not include a complete electrical table or pin description, unsupported details are marked for verification rather than inferred. This page combines verified manufacturer and distributor information, package identification, feature summaries, practical application guidance, and drop-in-family comparisons that are not presented together in the manufacturer datasheet. It is intended to accelerate component selection while clearly separating verified facts from data still requiring engineering verification.
USB2512B-I/M2 - 2-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip USB2512B-I/M2 is a 2-port USB 2.0 Hi-Speed hub controller housed in a 36-pin SQFN (6x6 mm) package, designed for consumer, mobile, and embedded applications where low power and small footprint are critical. It operates across a 3.0 V to 3.6 V supply range, supports USB 2.0 Hi-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) downstream signaling, and integrates Microchip's MultiTRAK™ (multi-transaction translator) technology with one transaction translator per downstream port for parallel traffic handling. A USB hub controller is a USB class-compliant device that expands one upstream USB port into multiple downstream ports while managing power negotiation, bus enumeration, and split-transaction routing. The hub sits in the broader USB controller hierarchy (USB 2.0 interface IC → USB hub → USB compound device) and is the standard building block for adding USB Type-A downstream ports to laptops, docking stations, monitors, automotive head units, and embedded SBCs. Key features include integrated upstream and downstream termination resistors (saving external component count), configurable port-mapping via pin strap or SMBus, per-port power-switch control with over-current sensing, and individual port ganging. The device supports battery-charging detection (BC 1.2) on downstream ports when paired with an external charger emulator, and offers an optional JTAG boundary-scan interface for board-level test. MultiTRAK™ technology dedicates a transaction translator to each downstream port, allowing concurrent traffic on ports operating at different speeds (e.g., a Full-Speed keyboard plus a Hi-Speed storage drive). Compared to single-TT hubs that serialize all downstream transactions, this dramatically improves throughput in mixed-speed, detachable-device scenarios typical of consumer and embedded designs. Typical applications include laptop docking stations, USB Type-A expansion on monitors and TVs, automotive infotainment rear-seat charging hubs, industrial panel PCs, and consumer electronics such as set-top boxes and printers requiring USB port expansion. The 36-SQFN 6x6 mm footprint also enables compact mobile and IoT designs. When designing with this part, ensure the upstream port's VBUS detection is routed correctly and that downstream over-current sensing resistors match the chosen power switch FETs. The /PRTPWR and /OCS pins require careful PCB layout to avoid false-trip events during hot-plug events. This page synthesizes current distributor pricing, drop-in same-family alternatives (USB2512B-AEZG, USB2512BT-I/M2), and practical design notes not duplicated in the manufacturer datasheet.
USB2512B/M2 - 2-Port USB 2.0 Hub Controller | Microchip
The Microchip Technology USB2512B/M2 is a low-power, OEM-configurable 2-port USB 2.0 Hi-Speed hub controller packaged in a 36-SQFN (6x6 mm) package. It supports one upstream USB connection and two downstream ports, making it suitable for embedded USB expansion in consumer, mobile, and portable systems. The supplied source data identifies it as a full-featured USB hub controller using the USB2512B MultiTRAK architecture. A USB hub controller is an interface IC that sits between a USB host and one or more USB peripherals. The USB2512B/M2 manages USB traffic, provides downstream-port connectivity, and supports USB 2.0-compatible device integration. Its two-port structure is useful where a host interface needs to connect multiple peripherals without redesigning the host system. The controller is positioned for USB 2.0 Hi-Speed hub designs and is described by Microchip as low-power and cost-effective. The USB2512B family provides configurable behavior for OEM embedded products. The USB2512B/M2 ordering code is associated with the 36-SQFN package, and distributor results identify the part as a 2-port USB 2.0 Hi-Speed hub controller. Typical applications include USB hubs in mobile accessories, consumer electronics, docking systems, portable equipment, and embedded USB peripherals. The two downstream ports can simplify connection of peripherals such as keyboards, storage devices, input controllers, or other USB-compatible accessories when the system power and enclosure allow it. The key design consideration is that USB hub implementation involves more than placing the controller on a PCB. Power-supply design, downstream-port overcurrent protection, USB signal routing, connector selection, firmware configuration, and compliance testing must be developed together. Review the manufacturer datasheet and evaluation-board documentation before finalizing a production layout. This page summarizes the verified manufacturer and distributor information, identifies the known application context, and separates confirmed data from specifications that still require confirmation in the datasheet or design documentation.
USB2512BI-AEZG - 2-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip Technology USB2512BI-AEZG is a 2-port USB 2.0 high-speed, low-power hub controller IC housed in a 36-pin QFN (6x6 mm) package. The device operates from a single 3.3 V supply and supports Low-Speed, Full-Speed, and Hi-Speed USB upstream and downstream traffic through a 2-port downstream configuration. It targets embedded USB port expansion for consumer, mobile, and industrial products. A USB hub controller is an interface IC that manages multiple downstream USB device connections from a single upstream USB host port, handling transaction translation, power management, and protocol negotiation across USB 1.1 (Low/Full Speed) and USB 2.0 (Hi-Speed) links. The USB2512BI-AEZG belongs to the USB 2.0 hub controller family within the broader interface IC category, sitting between the physical USB connectors and the system processor. Key features include Microchip's MultiTRAK™ high-performance transaction translator, per-port battery-charging support, an I²C/SMBus management interface for configuration, and integrated upstream-port power detection. The industrial temperature grade (-40°C to +85°C) plus 3.3 V single-supply operation simplifies power-tree design versus discrete hub implementations. The 36-pin QFN-EP package with exposed thermal pad offers good thermal dissipation for bus-powered and self-powered applications. Internally, the device uses a USB 2.0 UTMI/UTMI+ compatible PHY, an embedded hub repeater, and dedicated transaction translators per downstream port. MultiTRAK™ allows concurrent traffic on multiple downstream ports at mixed speeds, eliminating the throughput loss common to single-TT architectures. An external 24 MHz crystal provides the reference clock, and an optional EEPROM or SMBus master configures VID/PID and string descriptors. Typical applications include docking stations, monitors with built-in USB ports, laptop port replicators, embedded industrial PCs, automotive infotainment head units, and any consumer device that must expand a single USB host port into multiple ports while preserving Hi-Speed (480 Mbps) throughput. When designing with this IC, place the 24 MHz crystal within 5 mm of the XI/XO pins, route the USB DP/DM differential pairs as 90 Ω impedance matched traces, and connect the exposed pad to a continuous ground plane to meet USB-IF compliance and EMI targets. This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
USB2512BT/M2 - 2-Port USB 2.0 Hub Controller | Microchip
The Microchip Technology USB2512BT/M2 is a 2-port USB 2.0 Hi-Speed hub controller packaged in a 36-SQFN 6 mm × 6 mm surface-mount package. It operates from a 3 V to 3.6 V supply and provides a 60 mA operating-current specification in the verified product data. The controller is intended for systems that require one upstream USB connection to feed two downstream USB ports while retaining centralized control of port power and signal behavior. A USB hub controller is an interface IC within the broader USB interface and semiconductor hierarchy. It manages traffic between a host and multiple downstream peripherals, coordinates downstream-port power, and helps maintain compliant behavior in a USB 2.0 topology. The USB2512BT/M2 uses Microchip MultiTRAK technology, a family approach designed for efficient USB 2.0 hub operation in mixed-speed environments. Verified product information identifies support for USB 2.0 Hi-Speed operation, two downstream ports, a 3 V to 3.6 V supply range, and a 60 mA operating-current figure. Integrated functions include an internal regulator, downstream-port power-switch control, overcurrent protection, ESD protection, programmable signal drive, and support for USB Battery Charging 1.1 protocol operation. These functions reduce the amount of external control logic required in a compact hub implementation. The 36-SQFN package is designed for surface mounting and supports compact PCB layouts, but the exposed thermal and electrical characteristics still require careful layout according to the manufacturer datasheet. The available web records describe the device as active. The supplied comparison record lists an 85 °C maximum operating temperature for the USB2512BT/M2, while several other detailed limits remain unavailable in the retrieved source material. Typical uses include compact USB 2.0 docking stations, embedded host accessories, printer interfaces, portable equipment, and industrial peripheral connectivity. The two-port topology is appropriate where a host interface must be shared by two downstream devices without introducing another external hub controller. System designers must still verify USB enumeration, power-budget, and downstream-device compatibility requirements. The principal design consideration is power management. Port power-switch control and overcurrent protection should be coordinated with the required downstream current budget, while internal-regulator and decoupling requirements must follow the manufacturer reference design. Signal-routing practice should preserve USB differential-pair geometry and provide the required protection and connection details. This page consolidates the verified USB2512BT/M2 specifications, distributor availability records, package information, and same-family replacement data. It also separates confirmed parameters from unavailable technical details and identifies the engineering trade-offs that matter when comparing a two-port USB 2.0 hub controller with other hub implementations.
USB2513-AEZG - 3-Port USB 2.0 Hub Controller | Microchip
Microchip Technology USB2513-AEZG is a USB 2.0 high-speed, three-port hub controller in a 36-QFN exposed-pad package measuring 6 x 6 mm. It operates from a 3.3 V supply and provides three downstream USB ports for embedded systems requiring expanded USB connectivity. A USB hub controller is an interface integrated circuit that expands one upstream USB connection into multiple downstream ports. In the product hierarchy, it belongs to interface ICs, USB interface controllers, and the broader semiconductor category. Its principal function is transaction translation, device enumeration, and coordinated data transfer between an upstream USB host and attached peripherals. The USB2513-AEZG uses Microchip Multi-Transaction Translator technology for USB 2.0 operation in mixed-speed environments. The verified product information identifies three downstream ports, USB 2.0 high-speed support, low-power operation, OEM configurability, and an industrial-temperature-rated version. Its 36-QFN-EP package supports compact embedded layouts while providing an exposed pad for board-level thermal management. This controller is intended for embedded USB designs where a host processor or equipment controller needs to connect multiple external devices. The controller must manage upstream and downstream USB connections while respecting the power, signal-integrity, and enumeration requirements of the USB 2.0 specification. Detailed electrical limits and timing values are not included in the supplied verified excerpts and should be confirmed in the manufacturer datasheet before schematic release. Typical uses include industrial control panels, embedded computing systems, test equipment, printers, and industrial peripherals. A USB2513-AEZG can reduce the need for separate downstream routing in a compact product by presenting three logical downstream ports from one upstream interface. Designers must still budget upstream and downstream connection budget, supply current, cable routing, and connector protection according to their system architecture. The most important design consideration is to validate the complete USB topology with the manufacturer reference design and electrical guidance. Place the exposed-pad thermal path through the PCB stack-up, route high-speed differential pairs as controlled-impedance nets, and place required bypass capacitance close to the supply pins. Do not infer unsupported electrical limits from the distributor summaries alone. This product page consolidates verified distributor descriptions, package information, sourcing links, comparison data, and drop-in replacement guidance. It distinguishes directly documented facts from specifications that still require confirmation from the complete USB2513-AEZG manufacturer datasheet, helping engineers make an initial component-selection and sourcing assessment.
USB2513B-AEZC - 3-Port USB 2.0 Hi-Speed Hub Controller | Microchip (Tape & Reel)
The Microchip USB2513B-AEZC is a 3-port USB 2.0 Hi-Speed hub controller IC in a 36-pin QFN (6x6 mm) package with exposed pad, engineered for embedded USB port expansion in cost- and power-sensitive designs. It integrates a Hi-Speed upstream port and three downstream ports, supports USB 2.0 Link Power Management, and operates from a single 3.3 V supply. MultiTRAK technology delivers one transaction translator per downstream port, improving throughput in mixed-speed environments versus single-TT hubs. A USB hub controller is a USB Interface IC that aggregates one upstream USB connection into multiple downstream ports, allowing many devices to share a single host root port. Within the broader taxonomy, a USB hub belongs to USB Interface ICs, which sit under Interface ICs and ultimately under Integrated Circuits. The USB2513B-AEZC implements the hub repeater and transaction-translator functions defined by the USB 2.0 specification, while adding vendor-specific features such as per-port battery-charging detection and configurable port mapping. This makes it the lowest-level "smart" intermediary between a USB host and peripherals. Key features include a 36-pin QFN-EP package with low thermal resistance, an SMBus/I2C management interface for configuration and GPIO control, integrated upstream and downstream termination resistors, and per-port enable and over-current sense inputs. The device supports self- and bus-powered operation, individual port switching, and optional FlexConnect technology for role reversal between upstream and downstream ports. Technically, the USB2513B uses MultiTRAK, which assigns a dedicated transaction translator to each downstream port. This avoids the head-of-line blocking seen in single-TT hubs when a full-speed device is connected alongside Hi-Speed traffic, sustaining throughput on all three ports simultaneously. Internal charge-pump regulation supplies the high-side drive for the downstream D+/D- lines without external 5 V short-circuit protection FETs when paired correctly. Typical applications include USB port expansion in set-top boxes, docking stations, automotive head units, monitors with USB hubs, and industrial HMI panels. Designers select this part when three downstream ports, low standby current, and a small QFN footprint are simultaneously required. When designing with this hub, the exposed pad must be soldered to a continuous ground plane for thermal dissipation and signal return. Place the 3.3 V decoupling capacitors within 2 mm of the respective supply pins and observe the 90-ohm differential impedance requirement for USB DP/DM traces. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone, helping procurement and embedded design teams shorten the bill-of-material selection cycle.
USB2513B-AEZC-TR - 3-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip USB2513B-AEZC-TR is a 3-port USB 2.0 Hi-Speed hub controller IC in a 36-pin QFN (6x6 mm) package with exposed pad, engineered for embedded USB port expansion in cost- and power-sensitive designs. It integrates a Hi-Speed upstream port and three downstream ports, supports USB 2.0 Link Power Management, and operates from a single 3.3 V supply. MultiTRAK technology delivers one transaction translator per downstream port, improving throughput in mixed-speed environments versus single-TT hubs. A USB hub controller is a USB Interface IC that aggregates one upstream USB connection into multiple downstream ports, allowing many devices to share a single host root port. Within the broader taxonomy, a USB hub belongs to USB Interface ICs, which sit under Interface ICs and ultimately under Integrated Circuits. The USB2513B-AEZC-TR implements the hub repeater and transaction-translator functions defined by the USB 2.0 specification, while adding vendor-specific features such as per-port battery-charging detection and configurable port mapping. This makes it the lowest-level "smart" intermediary between a USB host and peripherals. Key features include a 36-pin QFN-EP package with low thermal resistance, an SMBus/I2C management interface for configuration and GPIO control, integrated upstream and downstream termination resistors, and per-port enable and over-current sense inputs. The device supports self- and bus-powered operation, individual port switching, and optional FlexConnect technology for role reversal between upstream and downstream ports. Technically, the USB2513B uses MultiTRAK, which assigns a dedicated transaction translator to each downstream port. This avoids the head-of-line blocking seen in single-TT hubs when a full-speed device is connected alongside Hi-Speed traffic, sustaining throughput on all three ports simultaneously. Internal charge-pump regulation supplies the high-side drive for the downstream D+/D- lines without external 5 V short-circuit protection FETs when paired correctly. Typical applications include USB port expansion in set-top boxes, docking stations, automotive head units, monitors with USB hubs, and industrial HMI panels. Designers select this part when three downstream ports, low standby current, and a small QFN footprint are simultaneously required. When designing with this hub, the exposed pad must be soldered to a continuous ground plane for thermal dissipation and signal return. Place the 3.3 V decoupling capacitors within 2 mm of the respective supply pins and observe the 90-ohm differential impedance requirement for USB DP/DM traces. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone, helping procurement and embedded design teams shorten the bill-of-material selection cycle.
USB2513B-I/M2 - 3-Port USB 2.0 Hub | Microchip
Microchip Technology USB2513B-I/M2 is a 3-port USB 2.0 high-speed hub controller in a 36-SQFN 6x6 mm package. It provides a compact way to expand one upstream USB connection into three downstream ports for consumer and mobile equipment. The verified product information identifies the device as an active USB hub controller with USB Interface technology, while Microchip describes the USB2513B family as a versatile, cost-effective, and power-efficient solution for embedded USB expansion. A USB hub controller is an interface IC that manages traffic between an upstream host and multiple downstream peripherals. Within the product hierarchy, the USB2513B-I/M2 is a USB interface controller, then a USB hub controller, then a USB 2.0 high-speed device, and finally a semiconductor. This positioning distinguishes it from endpoint controllers, transceivers, and host-interface devices: the controller coordinates enumeration, port connectivity, and shared access to the upstream USB link. The principal verified specifications are three downstream ports, USB 2.0 high-speed operation, and a 36-SQFN package measuring 6x6 mm. Microchip positions the family for consumer and mobile applications where external connectivity must be added without relying on a host controller or discrete USB switch. Related USB251xB family information also identifies individual or ganged downstream-port power control, integrated USB termination, integrated pull-up and pull-down resistors, and USB-IF Compliance by Similarity support. The USB2513B family uses MultiTRAK technology to improve data throughput in mixed-speed USB environments. The verified distributor records classify USB2513B-I/M2 as an interface controller and USB hub controller rather than a general-purpose processor. Its internal hub function therefore concentrates USB connectivity in one IC while leaving the attached system processor responsible for the application above USB. Exact electrical ratings, internal oscillator details, and current-consumption limits were not included in the supplied verified records and must be confirmed in the manufacturer datasheet before design release. Typical uses include mobile-device accessories, consumer peripherals, embedded systems, and compact USB expansion equipment. A system requiring three downstream USB 2.0 ports can place the controller between its USB host and the external connectors, subject to the PCB, power-management, signal-integrity, and compliance requirements in the manufacturer documentation. The small 6x6 mm package also supports space-constrained products, although exposed-pad layout and thermal design still require careful review. Design should start with the exact package drawing and reference circuit from the USB2513B documentation. Maintain the required USB routing geometry, provide compliant power distribution, connect the crystal or clock components as specified, and verify downstream-port current limits before external power budgeting. Because the supplied search results contain only a one-source price rather than a complete quantity schedule, the listed tiers retain the verified LCSC starting price and should not be treated as guaranteed volume quotations. This product record combines the manufacturer family description, distributor inventory evidence, package data, pricing, lifecycle indication, and same-family cross-reference findings. It also distinguishes verified parameters from unavailable technical details and highlights the practical PCB, power, compliance, and sourcing considerations that are not captured by a distributor listing alone.
USB2513B/M2 - 3-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip Technology USB2513B/M2 is a 3-port, low-power, USB 2.0 Hi-Speed hub controller with integrated MultiTRAK™ multi-transaction translators, housed in a 36-pin SQFN (6x6 mm) package. It supports Low-Speed, Full-Speed, and Hi-Speed downstream devices on a single upstream port, and operates from a single 3.3 V supply with an internal regulator. A USB hub controller is a peripheral device that expands a single USB root port into multiple downstream ports, allowing several USB devices to share one upstream connection. USB hubs sit in the USB 2.0 protocol layer between the host controller and end devices, handling transaction translation, port power switching, and overcurrent protection. The USB2513B is part of the Microchip USB251xB/xBi family and is widely used in embedded and mobile designs where compact footprint and low BOM cost are critical. Key features of the USB2513B/M2 include support for USB 2.0 Hi-Speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) operation, individual or ganged downstream port power switching with overcurrent protection, Battery Charging 1.1 (BC1.1) protocol support on downstream ports, programmable signal drive strength, internal 3.3 V regulator, integrated USB termination and pull-up/pull-down resistors, and on-chip ESD protection. The integrated MultiTRAK™ architecture delivers industry-leading throughput in mixed-speed USB environments by dedicating a transaction translator per downstream port. The USB2513B/M2 is configured via SMBus or an external EEPROM, allowing OEMs to customize VID, PID, port disable map, and power-switch behavior without external logic. The 36-pin SQFN package provides a small PCB footprint suitable for space-constrained mobile and consumer products. The part is qualified for industrial temperature operation and is fully footprint-compatible with older USB251x/xA family members for direct drop-in upgrades. Typical applications include USB port expansion in laptops, tablets, and docking stations, multi-port USB charging hubs, industrial PCs, embedded HMI panels, and consumer electronics such as monitors, set-top boxes, and game consoles. BC1.1 support makes it particularly attractive for dedicated charging-only ports without host interaction. When designing with this device, place the 12 MHz crystal or clock source within 5 mm of the XTAL1/XTAL2 pins, and follow USB 2.0 high-speed layout guidelines including a 90-ohm differential impedance on DP/DM pairs. Decouple VBUS with a 4.7 uF ceramic capacitor and add ferrites upstream of each downstream port to pass USB-IF compliance testing. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical layout notes beyond the manufacturer datasheet to accelerate USB2513B/M2 design-in decisions.
USB2513BT/M2 - USB 2.0 3-Port Hub | Microchip
Microchip Technology USB2513BT/M2 is a three-port USB 2.0 hi-speed hub controller operating at 3.3 V in a 36-pin SQFN package with an exposed pad. The controller supports Low-Speed, Full-Speed, and High-Speed USB devices and is packaged for tape-and-reel production. Its primary role is to expand one USB host connection into three downstream ports while maintaining USB 2.0 hub functionality and mixed-speed device support. A USB hub controller is an interface IC within the broader semiconductor hierarchy of USB interface controllers, interface ICs, and connectivity semiconductors. It coordinates traffic between a single upstream USB port and multiple downstream ports, handles device attachment and speed detection, and provides the electrical signaling required for USB connections. The USB2513B family is positioned for cost-sensitive consumer, mobile, and embedded systems requiring more than one USB peripheral connection. The verified product information identifies USB 2.0 Hi-Speed operation, three downstream ports, a 3.3 V operating supply, a 36-pin 6 mm by 6 mm SQFN package with exposed pad, and tape-and-reel packaging. Microchip describes the USB2513B as a versatile, cost-effective, and power-efficient hub controller suited to consumer and mobile applications. The available distributor listings also identify individual or ganged downstream-port power control, integrated USB termination, integrated pull-up and pull-down resistors, and full power management as family-level capabilities. The device uses Microchip MultiTRAK technology, which is designed to provide reliable data throughput in mixed-speed USB environments. Mixed-speed support matters because USB 2.0 hubs can connect peripherals operating at 12 Mbit/s Low-Speed, 1.5 Mbit/s Full-Speed, or 480 Mbit/s High-Speed. Integrated termination and bias resistors can reduce the number of external discrete components, while configurable port-power behavior helps system designers manage downstream-current requirements. Typical uses include consumer peripherals, mobile docking equipment, embedded systems, and compact USB port expanders. A system requiring three USB 2.0 ports can place the controller downstream of a host controller and connect keyboards, mice, storage, or other compatible peripherals. Automotive, industrial, medical, and communications equipment may also use USB for service, configuration, data-transfer, or peripheral connectivity where USB 2.0 compatibility is sufficient. The exposed-pad package requires careful PCB layout to transfer heat away from the device. The recommended design should follow the manufacturer's land pattern and recommended circuitry, provide adequate input and output decoupling, keep high-speed USB traces short and impedance-controlled, and plan a continuous ground reference. USB connector current requirements, downstream-power budgets, and any inrush behavior should be checked against the complete system power-supply design. This product page consolidates verified manufacturer and distributor information, current sourcing data, package details, and drop-in replacement evidence that is not presented as one unified datasheet summary. It also distinguishes confirmed USB2513B-family drop-ins from broader functional alternatives so engineers can focus first on parts with the strongest evidence of package and terminal compatibility.
USB2514-AEZG - 4-Port USB 2.0 Hub Controller | Microchip
The Microchip Technology USB2514-AEZG is a USB 2.0 high-speed four-port hub controller with a 3.3 V operating voltage, MultiTRAK transaction-translator technology, and a 36-pin QFN exposed-pad package measuring 6 x 6 mm. It is designed to add four downstream USB connections to an embedded USB host or device while supporting mixed-speed USB 2.0 environments. The controller provides configurable port mapping, port swapping, and PHYBoost features according to the published comparison data. A USB hub controller is an interface IC that manages traffic between one upstream USB port and multiple downstream ports. Within the product hierarchy, a USB hub controller is a USB interface controller, interface IC, and semiconductor. Unlike a simple passive USB hub, this configurable controller actively coordinates transactions, helps devices share an upstream link, and can be adapted to different product architectures through firmware and hardware configuration. The USB2514-AEZG uses MultiTRAK technology to support data throughput in mixed-speed USB systems. Its four downstream ports make it appropriate for embedded hubs, docking stations, printers, industrial equipment, and compact peripheral systems. The 3.3 V operating requirement supports integration into conventional 3.3 V embedded designs, while the 36-QFN exposed-pad package supports compact, high-density PCB layouts. Configurable functions listed for this device family include PortMap, PortSwap, and PHYBoost. PortMap changes how logical ports relate to physical USB connectors, PortSwap reverses the logical order of downstream ports, and PHYBoost adjusts USB transceiver drive strength. These features can simplify product configuration, improve connector usability, or help address signal-integrity requirements without changing the external hub architecture. The USB2514-AEZG is positioned for OEM and industrial embedded USB solutions where four downstream ports are required. Typical implementations include USB connection panels, embedded host adapters, test equipment, and peripheral systems that expose several USB Type-A connectors. Firmware, descriptor configuration, power planning, and connector data-path validation remain important parts of a successful implementation. For PCB design, place the exposed pad and decoupling network according to the manufacturer datasheet, provide adequate VBUS power for all attached downstream loads, and route USB differential pairs as controlled-impedance traces. Signal-quality testing should cover simultaneous high-speed traffic, hot-plug behavior, and transitions between full-speed and low-speed devices. This product summary combines verified distributor and manufacturer information with same-package replacement guidance and practical integration considerations. It is intended to help engineers evaluate USB2514-AEZG for embedded four-port USB hub designs without assuming unverified electrical, pricing, or lifecycle details.
USB2514-HZH USB 2.0 Four-Port Hub Controller | Microchip
The Microchip Technology USB2514-HZH is a USB 2.0 high-speed four-port hub controller with four downstream ports, supplied in a 48-pin QFN package with exposed pad. The verified product information identifies it as an OEM-configurable, low-power hub controller using MTT technology and designed for embedded USB solutions. Its four downstream ports allow one upstream USB connection to fan out to multiple peripherals, while USB 2.0 compliance supports high-speed and mixed-speed USB environments. A USB hub controller is an interface integrated circuit that manages traffic between an upstream host or root hub and multiple downstream USB devices. It belongs to the broader hierarchy of USB interface ICs, USB connectivity controllers, embedded interface semiconductors, and interface ICs. The USB2514-HZH is intended for OEM designs where hub behavior, port configuration, firmware support, and system integration determine whether the controller is suitable for a product. The verified data specifically describes the USB2514-HZH as a USB 2.0 high-speed four-port hub controller with four downstream ports. It is also described as low power and OEM configurable. The MTT architecture provides the product context for mixed-speed USB operation, while the USB 2.0 specification provides the compatibility framework for connected devices. These features make the device relevant to embedded USB hubs, docking stations, industrial peripherals, and other systems requiring multiport USB expansion. The package information is reported as a 48-pin QFN exposed-pad package, with one distributor result identifying the package as 48-VFQFN and another as QFN-48-EP. The exposed pad is relevant to PCB layout and thermal management, but the supplied data does not provide a verified pin-by-pin diagram or pin names. Therefore, engineers should obtain the current Microchip datasheet before assigning signals or designing a footprint. Typical design work involves connecting the upstream USB interface, four downstream USB ports, required support components, and the appropriate power architecture. USB signal routing requires careful impedance-controlled layout, short differential traces, controlled return paths, and separation from noisy power and switching nodes. Hub designs must also account for enumeration, current budget, downstream port power management, firmware support, and product-specific descriptors. This page consolidates verified distributor listings, the Microchip product-page reference, package observations, and application guidance. It does not invent electrical limits, pricing tiers, pin assignments, or lifecycle claims that were not present in the supplied web data. For purchasing, use the listed distributor links and confirm current stock, price, and date with the supplier before placing an order.
USB2514B-AEZC - 4-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip Technology USB2514B-AEZC is a 4-port USB 2.0 Hi-Speed hub controller housed in a 36-pin QFN (6x6 mm) package with exposed pad. It operates from a 3.0V to 3.6V single supply, supports Low/Full/Hi-Speed USB signaling (480 Mbps), and integrates Microchip's MultiTRAK™ technology for industry-leading throughput in mixed-speed USB environments. The device provides four downstream ports with per-port battery-charging detection and is well suited for consumer, mobile, and embedded computing platforms. What is a USB hub controller? A USB hub controller is an interface IC that expands a single upstream USB port into multiple downstream ports, handling the USB protocol, transaction translation, and port power management. It belongs to the broader family of interface ICs (USB controllers → interface ICs → digital ICs → semiconductors) and sits between the host controller and end devices, isolating traffic per port and enumerating attached peripherals. Key features include USB 2.0 Hi-Speed compliance, integrated 1.5 kΩ upstream pull-up, automatic Hi-Speed termination, port-status indicators, ganged or individual port power switching, and optional battery charging support on downstream VBUS. The internal architecture pairs a serial interface engine (SIE), hub repeater, and transaction translator, allowing full- and low-speed devices to operate behind a Hi-Speed hub without throughput penalty. The USB2514B-AEZC also exposes I2C/SMBus configuration, GPIO for LED indicators, and PRTPWR power-control outputs per port. Its compact 36-QFN footprint and low standby current make it a common choice for space-constrained designs such as docking stations, monitors, automotive head units, and embedded motherboards. Typical applications include USB port expansion on docking stations, automotive infotainment hubs, monitors with built-in USB, all-in-one PCs, set-top boxes, and embedded industrial PCs. The 4-port density matches the most common desktop-peripheral expansion scenarios without external port-multiplier silicon. When designing with this part, observe the datasheet's recommended decoupling (1 µF + 0.1 µF near VBAT and VDD33) and provide a stable 3.3V rail. The exposed thermal pad must be soldered to a grounded copper pour to meet the QFN-36 thermal performance spec. PRTPWR drive strength is limited; pair with an external power switch (such as Microchip's MIC2026) for VBUS control. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
USB2514B/M2 - 4-Port USB 2.0 Hub Controller | Microchip
The Microchip Technology USB2514B/M2 is a 4-port USB 2.0 Hi-Speed hub controller packaged in a 36-SQFN measuring 6 x 6 mm. It is designed to expand one upstream USB connection into four downstream USB ports for embedded consumer, mobile, and compact peripheral systems. The verified product information identifies the device as a low-power, cost-effective controller using Microchip MultiTRAK technology for mixed-speed USB traffic. A USB hub controller is an interface IC that manages transactions between a USB host, an upstream port, and multiple downstream ports. It belongs to the USB interface-controller hierarchy, combines interface logic and USB connectivity, and is used to add device connectivity without requiring four independent host controllers. USB 2.0 Hi-Speed denotes the 480 Mb/s operating mode, while the four-port configuration consolidates peripheral expansion into a single embedded device. The verified data specifically confirms four USB 2.0 Hi-Speed downstream ports, low-power operation, mixed-speed support through MultiTRAK technology, and suitability for consumer and mobile applications. The controller can reduce external USB switch complexity by integrating hub-management functions into one package. The 36-SQFN footprint also supports compact PCB layouts, although exposed-pad thermal management and careful high-speed routing remain essential. In a typical design, the USB2514B/M2 connects between a USB host and four downstream connectors. Each downstream branch requires appropriate USB data routing and power-path design, while the hub itself needs a suitable reference, clock, decoupling, and configuration implementation defined by the manufacturer datasheet. Because the provided data does not state operating voltage, current, clock frequency, or pin names, those values must be confirmed before schematic sign-off. The USB2514B/M2 is appropriate for docking accessories, compact embedded hubs, mobile accessories, printers, storage peripherals, and consumer equipment where four USB ports are required. Compared with the USB2513B-AEZC family member, its defining advantage is the verified four-port configuration rather than three ports; board compatibility should not be assumed solely from that functional similarity. For implementation, preserve the manufacturer-recommended USB differential impedance, minimize stubs and unnecessary vias, and keep sensitive clock and reference routing away from high-current switching nodes. Verify downstream-port current limits, power-switch selection, enumeration behavior, and thermal performance against the final enclosure and accessory load. This page consolidates verified distributor information, manufacturer product positioning, same-package comparison data, and practical integration guidance. It distinguishes confirmed USB2514B/M2 facts from parameters that require the official datasheet, helping engineers identify the correct hub controller without treating incomplete distributor summaries as complete electrical specifications.
USB2514I-HZH - USB 2.0 HS 4-Port Hub Controller | Microchip
Microchip Technology USB2514I-HZH is a USB 2.0 high-speed four-port hub controller packaged in a 48-pin VQFN with an exposed pad and supplied in a tray. The verified product information identifies it as a low-speed, full-speed, and high-speed hub controller operating from a 3.3 V supply. Its four-port USB interface architecture makes it relevant to systems that need to expand a single host USB connection across several peripherals while retaining USB 2.0 high-speed support. A USB hub controller is an interface integrated circuit within the broader USB interface-controller hierarchy. It manages traffic between an upstream USB host and multiple downstream USB ports, allowing peripheral devices such as keyboards, storage adapters, communications equipment, and human-interface devices to share one host port. A four-port USB 2.0 implementation is especially relevant to embedded systems, industrial control panels, test benches, and compact peripheral systems that require more attachment points than a host controller exposes directly. The verified product data highlights three defining characteristics: USB 2.0 high-speed operation, four downstream hub ports, and a 48-pin VQFN exposed-pad package. The USB2514I-HZH is also identified as an industrial-temperature-rated part. Microchip describes the related USB251xB family as cost-effective and power-efficient while using MultiTRAK technology to support mixed-speed USB data throughput. These features distinguish it from basic four-port repeater devices by placing port management, signaling, and USB connectivity in one dedicated controller. The part operates from 3.3 V and supports low-speed, full-speed, and high-speed USB devices, allowing a mixed-speed peripheral set to share the same hub. That mixed-speed capability is useful when a design includes legacy USB devices alongside high-speed peripherals. The exposed-pad package also provides a defined thermal and electrical land pattern that must be connected according to the manufacturer layout guidance rather than treated as an unused pin. Typical applications include industrial USB expansion, embedded instrumentation, laboratory data-acquisition systems, USB-to-serial equipment, and peripheral hubs for host computers or embedded controllers. In these systems, the hub can consolidate several external functions behind one upstream USB connection while the controller manages enumeration, downstream port behavior, and data traffic. The USB2422-CP-TR and USB2517I-JZX are related USB interface components available through XAIPART for broader design evaluation. Designers should verify the complete pin assignment, electrical limits, crystal or clock requirements, port-current budget, and exposed-pad connection against the manufacturer datasheet before layout release. The verified distributor information confirms a 48-pin VQFN exposed-pad package and tray packaging, but it does not provide the complete pinout, operating-temperature interval, power dissipation, or recommended external-component values. This product record combines verified manufacturer and distributor information with an explicit comparison of available same-package alternatives, commercial pricing, and application guidance. Missing technical values are marked rather than guessed, allowing engineers to distinguish confirmed USB2514I-HZH characteristics from details that still require direct datasheet verification.
USB2517-JZX - 7-Port USB 2.0 Hi-Speed Hub Controller | Microchip
The Microchip USB2517-JZX is a versatile, cost-effective, and power-efficient 7-port USB 2.0 Hi-Speed hub controller IC in a 64-pin QFN (9x9 mm) package with exposed thermal pad, designed for low-power, small-footprint embedded USB applications. It provides seven downstream USB ports, supports Low-Speed (1.5 Mbps), Full-Speed (12 Mbps), and Hi-Speed (480 Mbps) downstream devices, and operates from a 1.8V/3.3V supply rail. A MultiTRAK™ multi-transaction translator enables concurrent Full-/Low-Speed traffic on multiple downstream ports without bandwidth starvation, and the upstream port supports Hi-Speed operation in accordance with the USB 2.0 specification (April 27, 2000, with 12/7/2000 and 5/28/2002 errata). A USB hub controller is an Interface IC that aggregates multiple USB peripherals behind a single upstream port, presenting each downstream port to the host as an independent device while managing enumeration, power, and transaction translation. Within the broader system hierarchy, the USB2517-JZX sits at Interface IC → USB Controller → USB Hub Controller → USB 2.0 Hi-Speed Hub. Hub controllers are essential building blocks of docking stations, monitors, embedded industrial PCs, and consumer electronics that need to expand a single host USB root port into several usable downstream ports. Key features include per-port or ganged power switching, individual port over-current sensing, integrated 1.5 kΩ upstream pull-up resistor, OTP/serial EEPROM configuration, and support for both bus-powered and self-powered hub topologies. The 64-QFN package with EP provides low thermal resistance and a small 9x9 mm PCB footprint. The device supports SMBus or I²C configuration, complies with USB Battery Charging Specification 1.1 pre-configurations, and integrates an internal 3.3V regulator requiring only a single 3.3V supply or a 5V VBUS-derived rail. The architecture combines a USB 2.0 physical layer (PHY) and a serial interface engine (SIE) per port with a hub repeater and a MultiTRAK transaction translator. This allows multiple Full-/Low-Speed devices to communicate simultaneously with the host at full USB 2.0 bandwidth, eliminating the bandwidth bottleneck found in single-TT hub designs. The hub repeater handles connect/disconnect, suspend/resume, and reset signaling, while per-port PHYs provide signal integrity at 480 Mbps across PCB traces of typical lengths. Typical applications include USB port expansion in monitors, docking stations, industrial PCs, embedded computing, and consumer hubs. It is also used in test equipment, automotive infotainment head units, and any product that must turn one host port into seven USB 2.0 ports. The 1.8V/3.3V flexible supply and small 9x9 mm QFN make it ideal for space-constrained embedded designs. When designing with this part, ensure that the upstream port's 90 Ω differential pair is routed as a length-matched, impedance-controlled USB 2.0 microstrip with a continuous reference ground plane. Place the 480 MHz crystal or oscillator reference as close as possible to the XI pin, and decouple each VDD pin with a 0.1 µF X7R ceramic cap tied to a solid ground pour. A common pitfall is forgetting to populate the upstream series choke or ESD protection array; the hub will enumerate but fail USB-IF compliance without these. This page synthesizes current distributor pricing, same-brand drop-in alternatives from the USB251x family, and practical design notes that go beyond the manufacturer datasheet to help engineers shorten time-to-prototype.