USB2507-ADD - USB 2.0 7-Port Hub | Microchip Technology
Référence : USB2507-ADD ✗ Fin de vie| Qté | Prix unitaire | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
USB2507-ADD Présentation
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.
Alternatives de remplacement direct pour USB2507-ADD — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec USB2507-ADD (même facteur de forme et même empreinte) — différant par Full-Speed Data Rate, High-Speed Data Rate, Integrated USB Components, Low-Speed Data Rate, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
USB2507-ADT
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Voir la fiche technique →USB2507-ADD Spécifications
| Device Type | Integrated USB 2.0-compatible 7-port hub controller |
| USB Compliance | Universal Serial Bus Specification Revision 2.0 |
| Downstream Port Count | 7 ports |
| Upstream Host Attachment | Full-speed or full-/high-speed hub |
| High-Speed Data Rate | 480 Mb/s |
| Full-Speed Data Rate | 12 Mb/s |
| Low-Speed Data Rate | 1.5 Mb/s |
| Transaction Translators | 7 |
| Configuration Requirement | No firmware development required for standard operation |
| Configuration Interfaces | Strapping pins, external EEPROM, microcontroller, SMBus, and serial |
| Microcontroller Interface | SMBus slave |
| Downstream Power Management | Per-port or ganged, selectable |
| Power Source Detection | Bus-powered or self-powered source detection |
| Clock Source | On-board 24 MHz crystal driver or 24 MHz external clock |
| Internal PLL | 480 MHz USB 2.0 sampling |
| Integrated Regulator | 1.8 V linear voltage regulator |
| Integrated USB Components | Termination and pull-up/pull-down resistors |
| Differential Pin Protection | Internal short-circuit protection |
| Core Voltage | 1.8 V low-power core |
| Boîtier | 80-TQFP, 12 x 12 mm |
| Type de montage | Surface mount |
Guide de configuration des broches du USB2507-ADD 80-tqfp, 12 x 12 mm
Configuration des broches du USB2507-ADD (boîtier 80-tqfp, 12 x 12 mm). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour USB2507-ADD.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
USB2507-ADD convient pour 6 applications: Industrial USB Peripheral Hub, Legacy Computer USB Expansion, USB Storage and Backup Dock, Medical Equipment USB Cart, Test and Measurement Console, Embedded USB-to-Serial Bridge.
Industrial USB Peripheral Hub
The USB2507-ADD fits an industrial peripheral concentrator that expands one embedded host connection into seven USB ports for keyboards, service interfaces, data acquisition peripherals, and removable storage. Its seven transaction translators support 480 Mb/s high speed, 12 Mb/s full speed, and 1.5 Mb/s low speed according to the Microchip manufacturer documentation. Per-port or ganged power control lets the designer match downstream switching to the enclosure architecture, while bus- or self-power detection assists source selection. The controller reduces custom firmware work, but the finished product still needs industrial-temperature qualification, robust over-current protection, connector locking, chassis grounding, and ESD protection for externally routed cables.
Recommandé
Legacy Computer USB Expansion
A legacy PC, test computer, or embedded motherboard can use the USB2507-ADD to add seven downstream USB connections without changing the host-side USB architecture. When the upstream link is high speed, the hub can operate at 480 Mb/s, while full- and low-speed devices remain supported at 12 Mb/s and 1.5 Mb/s. Strapping options can provide a simple default configuration, and an EEPROM offers broader setup when device descriptors or power behavior must be stored separately. Deployment must account for the host controller's available bandwidth, shared-current limits, OS compatibility, connector placement, and the difference between bus-powered and self-powered hub operation.
Recommandé
USB Storage and Backup Dock
The USB2507-ADD can manage seven storage or backup peripherals in a docking system while providing transaction isolation between downstream links. High-speed ports can operate at 480 Mb/s, supporting throughput-oriented storage devices, but shared upstream bandwidth means simultaneous transfers remain bounded by the host connection. Per-port power control is useful for reducing current demand when only selected drives are active, and ganged control provides a simpler alternative when all ports share one power domain. The design should provide sufficient self-powered hub capacity, validate inrush during disk spin-up, protect each branch from over-current faults, and preserve controlled-impedance routing from the hub to external connectors.
Recommandé
Medical Equipment USB Cart
The USB2507-ADD can expand a medical-cart computer for keyboards, touch displays, service interfaces, measurement equipment, and approved peripherals. Its standard operation at 12 Mb/s and 480 Mb/s accommodates both control devices and high-speed data equipment, while the seven transaction translators isolate active USB links. Configuration through an EEPROM or SMBus-capable microcontroller provides flexibility for controlled port policies and system integration. A medical design still requires risk assessment, validated isolation practices where applicable, electrical-safety review, connector guarding, and verified ESD protection. The supplied evidence does not establish a medical-device listing, so this is an engineering-use description rather than a compliance claim.
Recommandé
Test and Measurement Console
A bench or field-test console can use the USB2507-ADD to connect several USB instruments while preserving full-, low-, or high-speed operation according to each peripheral. The internal 480 MHz PLL, 24 MHz crystal-driver capability, and integrated 1.8 V regulator help implement the timing and core-power section required by a seven-port hub. The controller supports SMBus slave operation when an embedded processor needs configuration control, allowing firmware to coordinate device attachment and power policy. Measurement accuracy still depends on grounding, cable quality, host software, and isolation. High-speed USB test paths should avoid switching-node proximity and use connectors and protection devices validated for the required data rate.
Recommandé
Embedded USB-to-Serial Bridge
USB2507-ADD can form the USB-facing side of an embedded multi-interface bridge where USB connectivity feeds serial, network, or industrial peripherals. Its SMBus slave configuration path permits a system controller to participate in setup, while strapping or EEPROM options can support simpler fixed behavior. Seven downstream ports reduce external hub chips when several service interfaces are present, and full-speed operation at 12 Mb/s is sufficient for many configuration ports and legacy devices. Engineers must allocate the upstream bandwidth, define enumeration behavior, isolate ground paths where required, and confirm that each attached converter uses compatible voltage levels. Power budgeting remains essential because downstream devices can draw more current than an upstream bus-powered source can provide.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour USB2507-ADD — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | USB2507-ADT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (12x12) | 80-TQFP (12x12) - same |
| Device Type | USB 2.0-compatible 7-port hub controller | USB 2.0 7-port hub controller |
| Downstream Port Count | 7 ports | 7 ports |
Principaux différenciateurs
- Seven-port integration (vs USB2513B-AEZC)
- Flexible power architecture (vs USB2513B-AEZC)
- Configuration flexibility (vs USB2513B-AEZC)
- Integrated timing support (vs USB2513B-AEZC)
Notes de conception
Route every USB 2.0 differential pair with continuous reference planes and the impedance required by the board stack-up and downstream connector. Keep upstream and downstream pairs separated as far as practical, minimize stubs and test-point discontinuities, and avoid routing beneath switching nodes. The USB2507 family integrates termination and bias components, but those internal functions do not remove the need for careful connector escape routing and return-path continuity.
Design downstream power distribution for the selected per-port or ganged mode rather than assuming all external devices draw identical current. Verify startup inrush, sustained current, over-current response, and the distinction between bus-powered and self-powered operation. Decoupling associated with the integrated 1.8 V regulator and core supplies must follow the manufacturer layout guidance. Keep high-current switching paths away from USB differential pairs and their ground references to minimize conducted noise.
Do not substitute a functionally similar USB hub controller solely because both support USB 2.0. An exact drop-in decision requires matching pin names and functions, package drawings, clock requirements, port-power controls, configuration pins, and electrical limits. USB2507-ADT is a same-family candidate in the verified 80-TQFP package, but the supplied evidence does not state exact order-code interchangeability; confirm the manufacturer ordering information before using it as a released substitute.
Place the supported 24 MHz crystal or external-clock network close to the controller and follow the manufacturer requirements for grounding and loading. The internal PLL supports 480 MHz USB 2.0 sampling, but reference-clock noise can still affect timing margin. Keep clock routing away from noisy regulators and connector return currents, and use a low-inductance ground connection so transient current from downstream devices does not share a high-impedance path with the clock or USB ground reference.
The no-firmware statement applies to standard compliant operation and does not eliminate host-side enumeration, descriptor, or driver development. If a product needs custom port policy, runtime monitoring, or system-managed power, use the EEPROM or microcontroller configuration path and validate the SMBus implementation. The product evidence does not state RoHS, REACH, temperature grade, automotive qualification, or lifecycle status, so these points require separate supplier confirmation rather than assumption.
Informations de conformité
The supplied USB2507 product pages and datasheet snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim is inferred from the ISO 9001 references shown by third-party component sellers because those statements concern the seller, not this part.
