CY7C65642-48AXCT - 4-Port USB 2.0 Hub | Infineon
N.º de pieza: CY7C65642-48AXCT ✗ Fin de vida| Cant. | Precio unitario | 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 |
CY7C65642-48AXCT Descripción general
A USB hub controller is an interface IC that connects one upstream USB host to multiple downstream ports and manages USB traffic, connection states, enumeration, and port-status reporting. Within the hierarchy of USB interface controllers, hubs, USB 2.0 devices, interface ICs, and semiconductors, the CY7C65642 family targets compact, low-cost systems requiring multiple USB ports.
The verified manufacturer description identifies this device as a four-port Multi-TT USB 2.0 hub controller with configurable GPIOs, LED indicators, and EEPROM support. Infineon also describes the CY7C65642 portfolio as very low power and optimized for high-performance applications requiring as many as four downstream ports. The dedicated transaction translator architecture supports USB 2.0 hub operation while reducing system complexity.
The device includes USB termination provisions described in the verified datasheet search result, including upstream pull-up support and downstream pull-down and series termination resistors. These integrated functions can reduce the number of external USB interface components and help designers simplify board layouts. The 48-pin TQFP also provides enough signal, configuration, and control connectivity for a four-port hub implementation.
Typical uses include USB hubs in computers, docking stations, monitors, printers, embedded systems, test equipment, and industrial control systems. It is particularly suitable when a design needs four downstream USB connections, upstream high-speed and full-speed support, configurable port indicators, and EEPROM-assisted hub configuration.
Designers should use the manufacturer datasheet for the exact electrical limits, clock requirements, pin names, USB routing guidance, decoupling recommendations, and supported configuration modes. PCB layout must preserve controlled-impedance USB pairs and minimize differential routing discontinuities. The verified lifecycle evidence also needs careful review because an Infineon community result identifies the related CY7C65642-48AXC as NRND.
Alternativas directas para CY7C65642-48AXCT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con CY7C65642-48AXCT (mismo factor de forma y huella) — difiere en Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
CY7C65642-48AXC
✅ Sustitución directa✓ En stock
$3.0489 / unidad
Ver hoja de datos →CY7C65630
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
CY7C65631
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
CY7C65642-48AXCT Especificaciones
| Product Type | USB 2.0 hub controller |
| USB Specification | USB 2.0 |
| Downstream Port Count | 4 ports |
| Upstream Port Count | 1 port |
| Transaction Translator Architecture | Multi-TT with independent TT per downstream port |
| Operating Voltage | 3.3 V / 5 V |
| Upstream USB Pull-Up Resistance | 1.5 kOhm |
| Downstream USB Pull-Down Resistance | 15 kOhm |
| USB Data-Signal Termination | Series termination resistors integrated on USB D+ and D- pins |
| Configuration Interface | Configurable GPIOs and EEPROM |
| Port Indication | LED indicator support |
| Encapsulado | 48-pin TQFP, 7 mm x 7 mm |
| Tipo de montaje | Surface mount |
| Shipping Format | Tape and reel |
| Temperature Grade | C-grade |
| Estado del ciclo de vida | NRND for the related CY7C65642-48AXC according to Infineon community result |
Guía de configuración de pines de CY7C65642-48AXCT 48-pin tqfp, 7 mm x 7 mm
Configuración de pines para CY7C65642-48AXCT (encapsulado 48-pin tqfp, 7 mm x 7 mm). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para CY7C65642-48AXCT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
CY7C65642-48AXCT es adecuado para 7 aplicacións: Four-Port USB Docking Station, Embedded USB Hub Interface, USB-to-Industrial Peripheral Hub, USB Hub for Test and Measurement, USB Port Expansion Card, USB Hub in a Printer or Media Accessory, USB Connectivity in a Security or Control Panel.
Four-Port USB Docking Station
The CY7C65642-48AXCT fits a docking station that expands one upstream USB host connection into four downstream ports. Its four-port Multi-TT topology is specifically described by Infineon for high-performance USB 2.0 hub applications, while configurable GPIOs and LED indication support per-port status hardware. Use the 48-pin TQFP around the USB connector field, route D+ and D- as controlled-impedance differential pairs, and verify the controller's exact pin assignments and clock requirements from the manufacturer datasheet. The principal design consideration is conserving USB signal integrity while keeping four external cable ports on one compact board.
Recomendado
Embedded USB Hub Interface
The CY7C65642-48AXCT can provide a managed four-port USB 2.0 interface in an embedded control system. The device's Multi-TT architecture and low-power positioning are relevant when one host must connect to multiple service, data-acquisition, or peripheral devices. Configurable GPIOs can participate in port-state handling, LED indication can expose connector activity, and EEPROM support can assist board configuration. Validate the C-grade environmental range and the exact supported operating voltages against the embedded enclosure before design freeze, because those limits are not stated in the verified snippets.
Recomendado
USB-to-Industrial Peripheral Hub
The CY7C65642-48AXCT is suitable for an industrial peripheral hub that connects USB-based control, logging, or service devices to one embedded computer. Four downstream ports reduce the need for several separate USB interfaces, and the device's configurable GPIOs and LED support provide hooks for link, fault, and activity indication. The low-cost orientation described by Infineon helps control hub BOM requirements, but production use still requires verification of temperature, ESD, power, and qualification specifications. Maintain short, symmetric USB traces and provide the external protection and connector design required by the target installation environment.
Recomendado
USB Hub for Test and Measurement
The four downstream ports of the CY7C65642-48AXCT can simplify a test or measurement system by letting one host connect several USB instruments or service interfaces. The Multi-TT hub architecture supports USB 2.0 operation, while GPIO and LED features can assist with fixture status and troubleshooting. Keep sensitive instrument grounds and data paths away from hub routing and ensure the host software supports the attached device topology. Because the verified material does not provide timing, current, or temperature limits, the engineer should obtain the full Infineon datasheet before selecting power regulators, protection components, and cable-side filtering.
Recomendado
USB Port Expansion Card
The CY7C65642-48AXCT is appropriate for a USB port-expansion card that needs four downstream connections without placing four independent host controllers on the board. Its 48-pin TQFP provides a defined surface-mount integration point, and the integrated USB bias and termination provisions can simplify the interface circuit. The card designer must still reserve connector placement, differential-pair routing, power-distribution capacity, and protective components around the hub. Confirm that the target host, downstream devices, and downstream power budget are supported by the complete electrical specifications before release.
Recomendado
USB Hub in a Printer or Media Accessory
A printer, media player, or accessory can use the CY7C65642-48AXCT to provide multiple USB service connections from one host connection. The four downstream ports can serve front-panel, storage, diagnostic, or configuration devices, while LED-indicator support helps users understand port activity. Configure the hub's GPIOs and EEPROM behavior according to the manufacturer procedure, and place USB signal components so downstream cable transients do not couple into internal data or power paths. The available data confirms the hub function and package, but the designer must verify current limits and thermal margins for the complete accessory implementation.
Recomendado
USB Connectivity in a Security or Control Panel
The CY7C65642-48AXCT can support a USB-connected control panel or security accessory that needs service, configuration, and peripheral ports. Four downstream USB 2.0 ports provide a single host-facing connection point, and LED indicators can communicate port activity or fault conditions through the panel. GPIO configuration offers additional flexibility for interface status and mode control. The design must account for connector placement, ESD protection, chassis grounding, and separation from sensitive security or power circuitry. Validate the controller's C-grade limits and lifecycle plan against the product's environmental and sourcing requirements.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para CY7C65642-48AXCT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | CY7C65642-48AXC | CY7C65630 | CY7C65631 |
|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
Diferenciadores clave
- Four-port Multi-TT hub architecture (frente a CY7C65630)
- Integrated USB bias and termination provisions (frente a CY7C65642-48AXC)
- Configurable GPIO, LED, and EEPROM integration (frente a CY7C65631)
- Package and ordering clarity (frente a CY7C65642-28LTXCT)
Notas de diseño
Treat every USB D+ and D- route as a controlled-impedance differential pair. Keep the pair closely coupled, minimize stubs and layer transitions, and avoid routing through noisy switching or clock regions. The verified datasheet excerpt confirms integrated pull-up, pull-down, and series termination provisions, but the complete layout must still follow the manufacturer's reference guidance for connector escape, return paths, and impedance construction.
Place USB connector protection and the hub controller according to the manufacturer layout sequence, keeping the high-speed paths short and separating upstream and downstream routes where practical. Provide local decoupling and adequate return-path continuity under every USB signal. Before release, compare the exact pin assignments in the Infineon datasheet because the supplied web snippets identify the package but do not provide a complete numbered pin table.
Do not treat CY7C65642-48AXCT and CY7C65642-48AXC as interchangeable lifecycle records. The exact target suffix denotes tape-and-reel, C-grade ordering, while an Infineon community result identifies the related base part as NRND. Verify the orderable suffix, lifecycle status, temperature grade, and authorized supply before committing a production BOM. A distributor page alone does not prove future availability.
Calculate the hub's downstream power budget from the selected USB configuration and external power-supply design rather than assuming that the controller can source all port current. Confirm the device's exact supply range and current limits from the manufacturer datasheet, since those numeric values are not present in the verified snippets. Keep regulator switching loops away from USB data pairs and provide local bulk and bypass capacitance at the controller.
Do not use CY7C65630 or CY7C65631 as confirmed drop-in replacements solely because an Infineon community answer names them for a four-port use case. Confirm their package drawings, pin mapping, electrical limits, firmware or configuration requirements, and USB behavior against CY7C65642-48AXCT. If any pin, footprint, or supply requirement differs, plan a PCB redesign rather than a no-change substitution.
Información de cumplimiento
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable because the product is a USB hub controller rather than an automotive-qualified device, but this does not establish any other compliance claim.
