Интегральные схемы

CY7C65210-24LTXI

CY7C65210-24LTXI - USB 2.0 Billboard Controller | Infineon

The Infineon Technologies CY7C65210-24LTXI is a USB 2.0 full-speed Billboard controller with an I2C/UART interface, general-purpose GPIOs, and integrated flash memory for USB Type-C devices. It is packaged in a 24-QFN (4x4 mm) package and is specified for a 12 Mbps USB interface over a -40°C to 85°C temperature range. The controller combines device enumeration, Type-C advertising, and serial connectivity in one small package. A USB Billboard controller is a USB interface device that presents product identity and capability information to a host. In the device hierarchy, it is a USB interface controller within the broader class of USB controllers, interface ICs, and semiconductors. The Billboard function enables a Type-C product to expose descriptive information such as manufacturer, product, version, configuration, and other device attributes without requiring a separate human-readable interface implementation. Key features include USB 2.0 full-speed operation, a 12 Mbps data rate, an I2C/UART interface, GPIO support, and integrated flash memory. The I2C interface supports communication with a host-side or embedded controller, while UART provides a straightforward serial connection to a microcontroller or configuration processor. The exposed GPIOs allow status LEDs, control signals, or peripheral handshakes to be managed without expanding the external component count. The CY7C65210 combines a USB device controller with configuration storage and interface bridges. Its integrated flash reduces the need for external nonvolatile memory when the Billboard identity data and device configuration must be retained. Designers still need to confirm the supported descriptor format, programming method, and firmware update requirements against the manufacturer datasheet before committing a product configuration. Typical applications include USB Type-C configuration-channel adapters, product identity and interface controllers, device-management accessories, industrial USB interface modules, and embedded systems that must expose identity information while retaining a serial control path. The 4x4 mm QFN package is also useful where PCB area is constrained, although thermal pad layout and exposed-pad soldering should follow the recommended land pattern. The principal design consideration is interface partitioning: I2C and UART provide different host-to-device control models, so the system firmware and external pull-up requirements must match the selected interface configuration. USB routing also requires controlled impedance, short connection to the connector, and careful placement of protection and bypass components. This page consolidates manufacturer and distributor information, package and lifecycle details, application guidance, comparison parameters, and practical sourcing considerations that are not presented together on a standard distributor listing. Pricing and lead time remain distributor-dependent and are identified as of 2026-10-28.

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CY7C65210-24LTXIT

CY7C65210-24LTXIT - USB 2.0 Billboard Controller | Infineon

The Infineon CY7C65210-24LTXIT is a USB 2.0 Billboard controller with full-speed operation at 12 Mbps, one I2C master interface, UART and GPIO connectivity, and integrated flash memory. The device is packaged in a 24-QFN housing measuring 4 mm by 4 mm and is designed for USB Type-C peripheral, configuration, and interface applications. A USB Billboard controller is a dedicated USB interface IC used to expose device capabilities and control information to a USB host. Within the interface-controller hierarchy, it sits between a USB device controller and an embedded peripheral that requires enumeration, configuration, or serial connectivity. The CY7C65210 family combines USB full-speed signaling with I2C, UART, GPIOs, flash memory, and integrated USB termination resistors. The controller supports USB 2.0 full-speed operation at 12 Mbps and includes native Billboard Device Class Driver support. Its single-channel I2C interface operates as a master up to 400 kHz. Separate transmit and receive buffers provide 190 bytes each, allowing protocol data and short command sequences to be buffered between the USB host and the connected peripheral. The CY7C65210-24LTXIT also integrates programmable GPIO functions and flash memory for configuration storage. Integrated USB termination resistors reduce the number of external USB signal-conditioning components, while UART connectivity provides an alternate serial path for systems that need to bridge a legacy peripheral. These features support compact designs in which both USB enumeration and application-specific control are required. Typical applications include USB Type-C configuration-channel controllers, peripheral interface bridges, cable and adapter electronics, industrial USB-to-serial equipment, and embedded systems that need Billboard enumeration alongside I2C or UART. The 4 mm by 4 mm QFN package supports space-constrained products, although its exposed-pad land pattern requires careful PCB layout and adequate copper for heat dissipation. Designers should follow the manufacturer pin-description and layout guidance when assigning the 24-QFN connections. Place USB routing impedance-controlled, keep the termination and interface paths compact, and verify device power requirements against the manufacturer datasheet. Confirm the complete pin configuration, voltage ratings, and exposed-pad connection before releasing the PCB artwork. This page combines the manufacturer product description, interface characteristics, package information, drop-in assessment, application guidance, and practical design notes to support component selection and PCB implementation. Use the Request a Quote form on this page for current commercial availability, lead time, and sourcing requirements.

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CY7C65210A-24LTXI

CY7C65210A-24LTXI USB 2.0 Controller | Infineon

The Infineon CY7C65210A-24LTXI is a USB 2.0 Billboard controller with 11 GPIOs, I2C, serial and UART interface functions, and a 48 MHz clock, housed in a 24-QFN (4 x 4 mm) package. The controller is designed for USB-connected embedded systems that need portable control, status indication, configuration, or accessory communication. Its USB 2.0 full-speed controller functionality is paired with general-purpose I/O and serial interfaces, allowing a compact design to replace several discrete interface functions. A USB controller is an interface integrated circuit that manages communication between a USB host and an embedded target device. Within the broader hierarchy of interface ICs, this device combines USB device control, GPIO expansion, I2C, and UART-style serial connectivity. The manufacturer identifies CY7C65210A-24LTXI as an EZ-USB Billboard controller, a device family commonly used for programmable USB-to-serial and USB-to-peripheral bridges. The headline capabilities include USB 2.0 operation, 11 GPIOs, I2C communication up to 400 kHz, and a 48 MHz clock. According to the Infineon product listing, the controller supports GPIO, I2C, serial and UART interface functions. These features make it suitable for compact USB peripheral equipment, configuration interfaces, human-interface accessories, and embedded control heads that need to enumerate reliably as a USB device. The 24-QFN (4 x 4 mm) package supports dense PCB layouts while reducing lead-related inductance compared with larger through-hole packages. Its compact land pattern requires careful PCB layout to preserve USB signal integrity, provide adequate power and ground connections, and route the I2C and serial signals away from high-current edges. The manufacturer package designation identifies a 24-pin QFN device; consult the ordering information and datasheet for the exact exposed-pad and terminal details. Typical applications include USB-to-serial adapters, programmable control panels, configuration bridges, embedded service interfaces, and Type-C peripheral designs where a low-speed or full-speed USB interface is sufficient. When designing around this controller, match the target device class, USB enumeration requirements, GPIO levels, and serial protocol before finalizing the PCB. This page summarizes the manufacturer product information, distributor identifiers, package details, and verified interface characteristics. It also organizes application guidance, engineering cautions, and drop-in substitution information so that design decisions can be reviewed against the exact ordering code and footprint.

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CY7C65211-24LTXI

CY7C65211-24LTXI - USB 2.0 UART/I2C/SPI Bridge | Infineon

The Infineon Technologies CY7C65211-24LTXI is a full-speed USB 2.0 serial bridge controller with UART, I2C, SPI, CAPSENSE, and USB Battery Charging Specification support, packaged in a 24-QFN 4x4 mm package. It supports up to 3 Mbps UART operation and 400 kHz I2C operation, making it a compact USB-to-serial interface for embedded systems. A USB-serial bridge is an interface IC that translates USB traffic from a host computer into UART, I2C, or SPI transactions for an embedded peripheral. The CY7C65211 family belongs to the broader hierarchy of interface controllers, USB interface ICs, and semiconductors. Its integrated configuration memory, voltage regulator, oscillator, CAPSENSE functions, and power-management features reduce the external circuitry required for a USB-connected peripheral. According to the verified Infineon product and datasheet data, the device supports full-speed USB, 3 Mbps UART, and 400 kHz I2C. The family also supports SPI and CAPSENSE, while the CY7C65211 version is described as compliant with the USB Battery Charging Specification, revision 1.2. The target ordering code is supplied in a 24-QFN package identified by distributors as 4x4 mm. The CY7C65211 is designed for USB connectivity in peripherals that use more than one serial protocol. A host can use the bridge for UART firmware or data links, I2C sensor access, or SPI peripheral control, depending on the device configuration. Its integration supports cost-effective implementation where an external USB transceiver, protocol converter, and separate configuration memory would otherwise be required. Typical uses include USB-to-UART cable designs, USB-connected sensor hubs, industrial control adapters, configuration or programming interfaces, capacitive-input products, and embedded accessories that need bus-powered operation. The verified manufacturer description specifically identifies serial peripherals, USB battery charging, CAPSENSE, and USB 2.0 connectivity as core application areas. When laying out a design, confirm the selected UART, I2C, or SPI configuration, USB signal routing, power supply requirements, and pin multiplexing against the manufacturer datasheet. Do not assume that a two-wire UART design can leave every unused serial pin unconnected without checking the device configuration requirements. This page consolidates verified manufacturer data, distributor package information, and application guidance without inventing unavailable electrical limits.

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CY7C65211A-24LTXI

CY7C65211A-24LTXI - USB Serial Bridge | Infineon

The Infineon CY7C65211A-24LTXI is a full-speed USB 2.0 serial bridge controller supporting 12 Mbps USB data rates and combining USB-to-UART, USB-to-I2C, and USB-to-SPI connectivity in a 24-QFN (4x4 mm) package. It also integrates CAPSENSE touch sensing and USB Battery Charging Device compliance with specification revision 1.2. The device operates from a 1.8 V or 3.3 V supply according to the manufacturer product listing. A USB-serial bridge is an interface IC that allows a host computer to communicate with a peripheral that uses a serial protocol instead of USB. In the broader device hierarchy, the CY7C65211A belongs to the USB interface controller family, bridges USB connectivity with UART, I2C, and SPI peripheral buses, and serves as a connectivity IC within a larger embedded system. Its combination of interfaces reduces the number of separate USB-to-serial adapters required in compact control equipment. The principal features include full-speed USB operation, 12 Mbps USB throughput, support for three common serial peripheral interfaces, CAPSENSE integration, and USB battery-charging functionality. UART support is useful for legacy serial peripherals, while I2C and SPI support accommodates sensors, memories, displays, and other digital peripherals. CAPSENSE enables touch or proximity-style sensing functions to be consolidated into the same controller-based design. The CY7C65211 and CY7C65211A family uses a USB-to-serial bridge architecture intended for seamless personal-computer connectivity. The 24-QFN package supports compact surface-mount layouts, while the exposed-pad construction provides a thermal and electrical land pattern consistent with the 4x4 mm outline. Exact pin assignments, clock requirements, transceiver details, and operating-temperature limits should be confirmed from the pin-description and electrical-characteristics tables in the manufacturer datasheet. Typical applications include USB-to-UART configuration and debug interfaces, multi-protocol sensor adapters, programmable keypad and user-interface controllers, industrial service ports, battery-charging peripherals, and compact consumer accessories. A system using the integrated CAPSENSE capability can combine data communication and touch detection without allocating a separate controller for each function. Designers should confirm the configured USB bus-speed mode, supported peripheral protocol features, clock source, and power sequencing before committing the PCB layout. Place decoupling capacitors close to the supply pins, route USB D+ and D- as a controlled differential pair, and follow the package land pattern and exposed-pad thermal guidance in the manufacturer datasheet. Firmware and external pull-up requirements should also be checked for the selected USB connection mode. This product page consolidates manufacturer and distributor information, a same-package replacement candidate, protocol-specific application guidance, comparison fields, and practical PCB considerations into one engineering-focused reference for USB interface designs.

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CY7C65213-28PVXI

CY7C65213-28PVXI - USB-UART LP Bridge Controller 28-SSOP | Infineon

The Infineon CY7C65213-28PVXI is a fully integrated USB-to-UART bridge controller that provides a single-chip solution for upgrading legacy UART peripherals to USB. Housed in a 28-pin SSOP package, it integrates a USB 2.0 Full-Speed controller, a UART transceiver, an internal 3.3V regulator, an internal oscillator, and 512 bytes of flash configuration memory. The part supports a UART data rate of up to 3 Mbps with 7 or 8 data bits and includes general-purpose I/O pins for status and control signalling. A USB-to-UART bridge is a class of bridge controller that translates between the USB protocol on the host side and an asynchronous serial (UART) interface on the device side, allowing legacy RS-232-style peripherals to gain modern USB connectivity without redesign. Within the broader product taxonomy, the CY7C65213 sits at the hierarchy: USB bridge controller -> interface IC -> communication IC -> semiconductor device. Its integrated regulator removes the need for an external 3.3V supply, and its internal oscillator removes the need for an external crystal, simplifying the BOM to a handful of decoupling capacitors. Key features include USB 2.0 Full-Speed (12 Mbps) compliance, support for USB suspend and resume signalling, hardware and software flow control ( RTS/CTS and XON/XOFF), integrated 512-byte flash for custom VID/PID and descriptor storage, configurable GPIO, and an industrial operating temperature range of -40C to +85C. The internal LDO supports bus-powered or self-powered configurations as defined by the USB 2.0 specification, simplifying the upstream power-section design. Architecturally, the CY7C65213 uses a serial interface engine (SIE) for USB protocol handling and a dedicated UART block with FIFO buffers, offloading all USB enumeration and protocol management from the host MCU. This lets designers replace legacy RS-232 transceivers with a single chip and a USB connector, reducing board area, BOM cost, and firmware complexity. Typical applications include USB-to-serial dongles for embedded debugging, industrial sensor readout with USB connectivity, point-of-sale (POS) terminals that expose legacy UART peripherals to PCs, and upgrade modules for legacy RS-232 equipment. The integrated flash also supports manufacturer-specific descriptors, allowing direct use as a branded device rather than requiring a generic-CDC driver. When designing with the CY7C65213, treat the VBUS and D+/D- lines as a controlled-impedance 90 ohm differential pair (per USB 2.0), and place the internal-regulator decoupling capacitors (typically 1uF and 0.1uF ceramic) within 1-2 mm of the VCCD pin. Note that the 28-SSOP variant is pin-to-pin compatible with the FTDI FT232R-style footprint when migrating designs across bridge vendors. This page synthesizes Infineon parameter data, distributor pricing tiers, and a curated drop-in alternative list that is not present on the manufacturer datasheet - giving engineers one consolidated source for sourcing, comparison, and PCB-level substitution decisions.

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CY7C65213-28PVXIT

CY7C65213-28PVXIT - USB-UART Bridge | Infineon

Infineon Technologies CY7C65213-28PVXIT is an EZ-USB serial bridge controller with Full-Speed USB 2.0 connectivity, a 3 Mbps UART interface, and support for USB-to-UART, USB-to-I2C, and USB-to-SPI operation. The device includes 32 KB of embedded memory and is packaged in a 28-pin SSOP. It is intended for systems that need to connect a USB host to legacy serial, I2C, or SPI peripherals without assigning a separate USB controller to the host processor. A USB serial bridge is an interface-controller IC that translates USB transactions into a conventional peripheral protocol. The CY7C65213 belongs to the EZ-USB serial bridge family within the broader hierarchy of USB interface controllers, serial-interface semiconductors, and integrated data-conversion devices. This integration reduces host USB-controller overhead and allows firmware, data movement, and peripheral interfacing to be handled locally by the bridge. The controller's Full-Speed USB 2.0 interface supports legacy USB connectivity while the 3 Mbps UART channel provides a practical rate for many embedded serial links. Additional protocol support for I2C and SPI expands its usefulness for boot programming, sensor aggregation, display controllers, flash-memory programming, and configuration interfaces. Its 32 KB embedded memory gives the firmware designer room for descriptors, endpoint buffers, status information, and application-specific control logic. The 28-pin SSOP package is suitable for conventional surface-mount PCB assembly. Because the device bridges USB to several peripheral buses, its pin multiplexing, clocking, power, ground, and signal-routing requirements should be matched directly to the manufacturer pin-description table. The manufacturer datasheet also notes that the SLEEP# pin is asserted during USB suspend, supporting low-current behavior in bus-powered equipment. Typical applications include legacy USB upgrades, industrial serial adapters, instrument-control panels, firmware-programming fixtures, USB-to-RS232 bridges when paired with suitable line-driver circuitry, and embedded systems that need to expose I2C or SPI peripherals to a USB host. The SLEEP# behavior is particularly useful where the host frequently suspends the USB bus and the peripheral system must avoid unnecessary current draw. Designers should distinguish the electrical USB interface from the UART, I2C, and SPI domains. Each protocol requires the correct pull-ups, termination, voltage compatibility, and firmware configuration. Board layouts should also preserve a short USB signal path, provide stable ground references, and decouple the device close to its supply pins. Verify signal levels and bus topology before treating the bridge as a direct replacement for a simpler UART-only converter. This page combines manufacturer and distributor product information, protocol-use guidance, drop-in replacement analysis, and practical integration notes. It is intended to help engineers compare bridge capabilities, verify package compatibility, and plan a robust USB-to-serial interface before committing a PCB design to production.

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CY7C65213-32LTXI

CY7C65213-32LTXI USB-UART Bridge 32-QFN | Infineon

The Infineon Technologies CY7C65213-32LTXI is a fully integrated USB-to-UART bridge controller with USB 2.0 Full-Speed operation, a 3 Mbps UART interface, eight GPIOs, and RS232/RS422 support, housed in a 32-QFN 5 mm × 5 mm package. A USB-UART bridge is an interface IC that converts a USB host connection into a conventional serial UART link. It belongs to the USB interface-controller hierarchy, connects a computer or USB host to embedded equipment, and reduces the need for a separate USB transceiver and UART controller. The CY7C65213 family is intended to modernize legacy UART-based equipment while preserving familiar serial communication in cables, test systems, industrial controls, and development boards. The principal verified features include USB 2.0 Full-Speed operation, UART data signaling up to 3 Mbps, eight general-purpose I/O pins, and support for RS232 and RS422 interfaces. Its integrated bridge architecture can simplify host-side peripheral enumeration and reduce the external component count. The 32-QFN package is compact but requires careful PCB layout and exposed-pad thermal management according to the manufacturer footprint guidance. The device also supports low-power behavior through its SLEEP# assertion when the USB bus enters suspend, a feature described in the manufacturer datasheet as helping meet stringent USB 2.0 suspend-current requirements in bus-powered systems. This makes the bridge relevant to portable and embedded USB equipment where standby current matters. Exact operating-voltage, temperature, GPIO-drive, and power-consumption values must be confirmed from the complete manufacturer datasheet. Typical applications include USB-to-UART adapters for embedded development boards, industrial serial gateways, laboratory test equipment, configuration interfaces, printer or peripheral adapters, and retrofit products that previously relied on a legacy UART connector. The bridge can be paired with a host MCU when a system needs protocol processing, or with level-shifting and protection components when the external serial interface must connect to longer or industrial cable runs. For a new design, verify the exact package pinout, voltage limits, crystal or clock requirements, UART electrical standard, and host-driver behavior before layout release. USB signal routing should follow the manufacturer reference layout, with controlled differential impedance and short connector-to-device paths. The principal engineering trade-off is integration and footprint savings versus the need to validate suspend current, signal integrity, and driver compatibility on the completed host system. This page combines the verified manufacturer and distributor information with practical interface-bridge selection guidance, while marking unspecified electrical details for datasheet confirmation rather than estimating them.

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CY7C65213-32LTXIT

CY7C65213-32LTXIT - USB to UART Bridge 3Mbps | Infineon

The Infineon Technologies CY7C65213-32LTXIT (originally Cypress Semiconductor) is a fully integrated USB-to-UART bridge controller with USB 2.0 Full-Speed interface, up to 3 Mbps UART data rate, and 8 GPIOs, housed in a 32-pin QFN (5x5 mm) package with exposed pad. A USB-UART bridge IC is a type of interface controller that converts between a USB host port and a standard asynchronous serial (UART) port, allowing legacy serial devices to communicate over USB. Within the semiconductor hierarchy it belongs to the interface IC family, specifically USB bridge controllers, which sit between USB transceivers and application processors in a typical connectivity signal chain. Bridges handle enumeration, protocol conversion, and flow control so the host sees a standard COM port without custom drivers at the hardware level. Key features of the CY7C65213 include a USB 2.0 Full-Speed (12 Mbps) controller, a UART transceiver supporting data rates up to 3 Mbps, RS232/RS485 protocol support, 8 configurable GPIOs, an integrated 512-byte flash for vendor customization, an internal 3.3V regulator allowing 3.3V or 5V operation, and an internal oscillator that eliminates the need for an external crystal. This high level of integration minimizes the external bill of materials to essentially a USB connector and a few decoupling capacitors. Architecturally, the device combines the USB full-speed engine, serial interface engine, UART transceiver, and flash memory in a single low-power controller. The internal regulator and oscillator reduce design complexity and cost compared with discrete two-chip USB-to-serial solutions, while the GPIOs enable control signals such as RTS/CTS hardware flow control or status LEDs. Typical applications include upgrading legacy UART-based devices to USB, industrial equipment with RS232/RS485 links, point-of-sale terminals, set-top boxes, and development/debug UART consoles for embedded processors. According to Infineon, the CY7C65213 is pin-to-pin compatible with the FTDI FT232R, making it a recognized drop-in replacement in 32-QFN implementations. A key design consideration: verify the UART voltage domain, since the device operates from 3.3V or 5V via its internal regulator, and confirm flow-control pin mapping when replacing an FT232R layout because some secondary features differ. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.

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CY7C65213A-28PVXI

CY7C65213A-28PVXI - USB-UART Bridge | Infineon Technologies

Infineon Technologies CY7C65213A-28PVXI is a USB-UART LP bridge controller with Full-Speed USB 2.0, RS485 support, and up to 3 Mbps UART data in a 28-pin SSOP package. It provides a practical interface for connecting a legacy UART-based peripheral to a USB host while integrating the USB controller, UART transceiver, internal regulator, internal oscillator, and 512-byte flash. A USB-UART bridge controller is an interface IC that translates between the Universal Serial Bus protocol and a serial UART peripheral. It sits within a broader USB interface-controller and power-management hierarchy, allowing equipment with a legacy UART connector to adopt USB without requiring a complex host-side protocol implementation. The CY7C65213 family is particularly relevant to industrial control, data acquisition, configuration ports, and service equipment. The main technical benefits include USB 2.0 full-speed operation, a 3 Mbps UART data rate, and RS485 capability. The integrated 512-byte flash supports device-specific configuration and control, while the internal regulator and oscillator reduce the number of external support components. A 28-pin SSOP package also allows reuse of compact, low-cost PCB layouts designed around the CY7C65213A family. The device integrates several subsystems normally implemented separately in a USB-to-serial conversion. Its USB controller handles full-speed enumeration and data transfer, its UART transceiver communicates with the downstream equipment, and the internal flash stores configuration data. The RS485-oriented variant adds support for applications where longer, noise-prone industrial links require stronger interface characteristics than a conventional UART point-to-point connection. Typical uses include USB-to-RS485 adapters, industrial serial gateways, programmable controller service interfaces, laboratory data-acquisition equipment, and legacy UART products that need a USB update path. Designers can use the bridge to reduce host-side software complexity while retaining access to established UART peripherals. Its internal regulator and oscillator are especially useful where minimizing external components and board area matters. Layout and firmware remain important engineering considerations. USB differential traces require a controlled impedance PCB stack-up, short matched routing, and careful placement of the USB connector and decoupling. Firmware must configure the internal UART and RS485 functions correctly for the intended baud rate, electrical environment, and data direction. The pin-description table and recommended application circuit in the manufacturer datasheet should govern connector and external-component assignments. This page combines the manufacturer’s core USB, UART, RS485, flash, package, and ordering information with a focused engineering analysis. It also documents data-availability limits, distinguishes the non-RS485 family member from the RS485-capable target, and provides application guidance that helps teams evaluate the bridge before committing a PCB layout or production design.

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CY7C65213A-32LTXI

CY7C65213A-32LTXI - USB-UART Bridge Controller, RS485, 32-QFN | Infineon

The Infineon CY7C65213A-32LTXI is a fully-integrated USB-to-UART bridge controller housed in a 32-pin QFN (5x5 mm) package with USB 2.0 Full-Speed compliance, RS485 transceiver support, up to 3 Mbps UART data rate, and 8 configurable GPIO pins. It is the A-revision (CY7C65213A) enhancement of the original CY7C65213, adding RS485 signaling while retaining pin-compatibility with the 32-QFN footprint used by the legacy part. An internal 3.3V LDO, internal oscillator, and 512-byte on-chip configuration memory are integrated, allowing a minimal-BOM upgrade path for legacy UART peripherals to USB. A USB-to-UART bridge controller is a class of interface IC that bridges the USB protocol stack on the host side with an asynchronous serial (UART) interface on the device side. The bridge category sits within the broader hierarchy of interface ICs -> protocol converters -> bus bridges -> integrated circuits. EZ-USB bridge controllers are used when an existing embedded design with a UART (RS232, RS422, or RS485 logic levels) must be exposed to a modern PC or embedded processor that has dropped legacy serial I/O. Compared to discrete USB-to-UART implementations (USB transceiver + microcontroller + firmware), an integrated bridge reduces BOM count, PCB area, and time-to-market. Key features of the CY7C65213A include a USB 2.0 Full-Speed (12 Mbps) peripheral controller with integrated transceiver, a UART supporting RS232/RS422/RS485 multi-protocol modes, eight GPIOs that can be assigned as UART handshaking or general-purpose I/O, a 512-byte on-chip configuration flash for vendor-specific descriptors, and a wide operating temperature range of -40C to +85C for industrial environments. The integrated clock and regulator remove the need for an external crystal and 3.3V supply rail. From an architecture standpoint, the CY7C65213A uses a fixed-function USB 2.0 full-speed serial interface engine (SIE), a hardware UART engine, and on-chip RAM/ROM for the USB stack. Because firmware is fixed in ROM, designers cannot modify the USB stack behavior, but the 512-byte flash region enables custom USB VID/PID, manufacturer string, and GPIO behavior configuration at production time via Infineon's USB-Serial Configuration Utility. Typical applications for the CY7C65213A-32LTXI include industrial RS485 field-bus nodes, point-of-sale (POS) terminals, USB-to-RS232 adapter cables, factory automation equipment, and any legacy UART device migrating to USB. The QFN-32 (5x5 mm) footprint supports compact handheld designs. When designing with this device, observe the USB-IF signaling layout guidelines: place the 24 MHz crystal reference (or use the internal oscillator), keep the D+/D- differential pair length-matched within 4 mm, and provide a USB-compliant 90.9 ohm differential impedance on the upstream USB traces. Bulk decoupling should include a 4.7 uF capacitor on VBUS and a 0.1 uF capacitor on each supply pin. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, with each parameter cross-referenced to its source.

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CY7C65215-32LTXI

CY7C65215-32LTXI - Dual USB-Serial Bridge | Infineon

Infineon Technologies CY7C65215-32LTXI is a dual-channel USB 2.0 serial bridge controller with 12 Mbps full-speed USB, UART, I2C, SPI, CapSense, and battery-charging detection in a 32-pin QFN package measuring 5 mm by 5 mm. It provides one USB-to-serial controller for embedded systems that need flexible peripheral connectivity. A USB-serial bridge is an interface controller that translates USB traffic into an embedded serial protocol. The CY7C65215 belongs to the EZ-USB serial bridge family, which sits between a USB host and UART, I2C, or SPI peripherals. Its dual-channel architecture can reduce peripheral count and consolidate communication functions within industrial, consumer, communications, and human-interface equipment. The device supports USB 2.0 full-speed operation at 12 Mbps and integrates UART, I2C, and SPI interfaces. According to the Infineon manufacturer datasheet, it also includes CapSense and BCD functions. The BCD block is compliant with USB Battery Charging Specification Revision 1.2, while CapSense provides integrated touch-sensing capability that can reduce the need for separate sensing hardware. The controller integrates a voltage regulator, oscillator, and flash memory for storing configuration parameters. These blocks allow a compact implementation that does not require an external configuration-storage device. The CY7C65215 also supports both bus-powered and self-powered operating modes, plus suspend and remote-wake signals for system power management. Typical uses include USB-connected control panels, dual-serial peripheral adapters, CapSense user-interface controls, configuration tools, and systems that bridge a USB host to UART, I2C, or SPI devices. In these applications, the 12 Mbps USB link supports firmware updates, command exchange, data acquisition, and configuration traffic. PCB implementation should preserve short USB traces, provide correct decoupling near the power pins, and route high-current USB bus connections with adequate copper width. Firmware and peripheral configuration require the USB-Serial Configuration Utility identified in the verified Infineon support material, and prototype designs should verify the selected protocol, clocking, and suspend behavior before production. This product page combines verified manufacturer and distributor information with a practical comparison table, drop-in alternatives, application guidance, and design notes. It helps engineers evaluate the CY7C65215-32LTXI beyond basic catalog attributes while clearly identifying information that still requires confirmation from the complete datasheet.

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CY7C65215-32LTXIT

CY7C65215-32LTXIT USB-Serial Bridge | Infineon Technologies

Infineon Technologies CY7C65215-32LTXIT is a dual-channel USB-serial bridge controller with a 32-QFN 5 x 5 mm package. It supports 12 Mbps USB 2.0 connectivity and provides two configurable serial channels for UART, I2C, and SPI peripherals. The device also integrates CapSense capacitive sensing and USB Battery Charging Specification Rev. 1.2-compatible battery charging detection. A USB-serial bridge is an interface controller that connects a USB host to peripherals using industrial or embedded serial protocols. Within the interface-controller hierarchy, the CY7C65215 combines a full-speed USB controller, dual-channel serial interface logic, configuration flash memory, an oscillator, and a voltage regulator. This integration reduces the number of external host-interface components while preserving support for common embedded communication standards. The principal features include 12 Mbps USB 2.0 operation, dual-channel UART, I2C, and SPI support, CapSense integration, and battery charging detection. Its two serial channels can be assigned independently, allowing one peripheral port to combine USB-to-UART conversion with USB-to-I2C or USB-to-SPI connectivity. The integrated configuration memory supports device setup, while the integrated regulator and oscillator reduce external support-circuit requirements. Internally, the CY7C65215 is a full-speed USB controller with dedicated dual-channel serial bridging. Infineon describes the CY7C65215 and CY7C65215A as a common device family supporting UART, SPI, I2C, CapSense, and battery charging detection. The A revision is presented as a distinct ordering variant, so firmware, electrical conditions, and lifecycle status should be checked before using it as a substitution. Typical uses include industrial control panels, USB-connected programmers, serial instrumentation, capacitive-control front panels, battery-powered USB accessories, and embedded systems that need one USB port to serve more than one peripheral interface. The 32-QFN package also supports compact designs where connector density and board area are important. Designers should follow the manufacturer pin-description table when assigning USB, serial, supply, ground, and exposed-pad connections. Confirm the exact channel configuration, supported protocol modes, oscillator requirements, input limits, and decoupling recommendations in the manufacturer datasheet before finalizing the PCB. Firmware support should also be matched to the selected CY7C65215 or CY7C65215A revision. This page consolidates manufacturer specifications, ordering information, verified distributor listings, application guidance, and drop-in replacement analysis to support faster engineering selection. It focuses on practical differences among documented family members while avoiding unsupported assumptions about unreleased or cross-brand equivalents.

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CY7C65215A-32LTXI

CY7C65215A-32LTXI - 12Mbps USB Dual Serial Bridge | Infineon

Infineon Technologies CY7C65215A-32LTXI is a USB-serial dual-channel bridge controller with UART, I2C, and SPI interfaces, 12 Mbps USB 2.0 operation, CAPSENSE touch sensing, and Battery Charging Detection in a 32-QFN 5x5 mm package. It provides a compact interface between a USB host and embedded serial peripherals. A USB-serial bridge controller is an interface IC that translates USB traffic into UART, I2C, or SPI transactions. These devices simplify host connectivity by eliminating a host-side USB protocol stack and by presenting a familiar peripheral interface to the target circuit. The CY7C65215/CY7C65215A family combines full-speed USB control, serial interface conversion, configuration storage, and peripheral power-management functions in one integrated device. Key features include support for dual-channel UART, I2C, or SPI operation, a maximum USB data rate of 12 Mbps, and integration of CAPSENSE and Battery Charging Detection. The battery-charging function complies with USB Battery Charging Specification Revision 1.2. Internal voltage-regulator, oscillator, and flash-memory blocks provide the core resources required for configuration and peripheral control without requiring separate storage for operating parameters. The controller supports both bus-powered and self-powered USB devices. Suspend and remote-wake-up signals improve power management when a connected peripheral is idle. The A designation distinguishes this device revision, while the -32LTXI ordering code identifies the 32-pin lead-free temperature and package configuration used in the product listing. Typical uses include USB-to-UART and USB-to-I2C adapters, industrial serial gateways, configuration ports, capacitive-control interfaces, and embedded systems that need to enumerate through USB while communicating internally through UART, I2C, or SPI. The integrated CAPSENSE function can also support touch-sensitive controls in human-interface equipment. PCB design should preserve short USB traces, provide a continuous ground reference, and place decoupling and configuration-programming components near the appropriate pins. Because the bridge coordinates USB enumeration, serial timing, and configuration storage, verify suspend behavior, wake-up requirements, and signal levels across the complete host-device connection. This product page combines manufacturer interface and packaging details with application-specific guidance, design considerations, and a same-footprint comparison. The comparison highlights the limited availability of true drop-in alternatives, avoiding the inclusion of electrically similar devices that require a different footprint or PCB redesign.

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CY7C65217-24LTXI

CY7C65217-24LTXI - USB 2.0 Serial Bridge | Infineon

Infineon Technologies CY7C65217-24LTXI is a USB 2.0 EZ-USB serial bridge controller supporting UART, I2C, and SPI serial interfaces in a 24-QFN package measuring 4 x 4 mm. It operates from a 3.3 V supply, connects a USB host to embedded serial peripherals, and is presented by the manufacturer as an EZ-USB serial bridge controller. The device provides up to 12 Mbps USB signaling according to distributor product data. A USB serial bridge is a USB interface controller that translates transactions between a USB host and an embedded UART, I2C, or SPI peripheral. It belongs to the hierarchy of USB interface controllers, serial interface controllers, interface integrated circuits, and semiconductors. By integrating protocol conversion and USB connectivity, the controller reduces the component count required to connect a small embedded system, sensor, peripheral, or communications module to a standard USB port. The main engineering features visible in the verified product information are USB 2.0 support, UART and I2C connectivity, manufacturer-confirmed SPI support, and 3.3 V operation. The Arrow listing additionally describes full-speed USB operation and enumerates 1.8 V, 2.5 V, 3.3 V, and 5 V operating options. The package is a 24-pin QFN with an exposed pad and a stated terminal pitch of 0.5 mm, making it suitable for compact PCB layouts requiring numerous ground and power connections. The CY7C65217-24LTXI is organized as a mixed-signal interface IC with separate USB and serial-facing functions. Its USB role is to receive standard host traffic and expose the embedded peripheral through a serial protocol. The manufacturer identifies the part as an EZ-USB serial bridge controller, while distributor records classify it as a USB controller or USB interface IC. Firmware and host-side class-driver support should be evaluated during design-in because protocol enumeration, descriptors, and application behavior depend on the selected firmware configuration. Typical uses include USB-to-UART adapters, configuration interfaces for embedded boards, sensor and instrument connectivity, industrial control modules, and firmware update or manufacturing interfaces. The compact 4 x 4 mm QFN is useful when connector placement and board area are constrained. Compared with discrete USB transceivers, the integrated controller reduces the amount of host-side glue logic required, while compared with a USB-to-serial converter using a larger discrete implementation it supports several serial protocols in one device. PCB design must account for the exposed pad, power and ground distribution, USB signal routing, and the voltage requirements of the connected serial interface. The 0.5 mm terminal pitch requires careful land-pattern and assembly-process control. Confirm the exact pinout, exposed-pad connection, clock requirements, firmware configuration, and supported serial levels in the manufacturer datasheet before committing a new design to production.

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CY7C65217-24LTXIT

CY7C65217-24LTXIT - USB 2.0 Serial Bridge | Infineon

The Infineon CY7C65217-24LTXIT is a USB 2.0 serial bridge controller with a 12 Mbps USB interface, UART and I2C connectivity, and a 24-QFN package measuring 4 mm by 4 mm. It supports dual-channel UART and I2C operation for transferring serial data between a USB host and embedded peripherals. The industrial-temperature ordering code supports operation from -40°C to 85°C, and the exposed-pad package is intended for surface-mount PCB assembly. A USB-to-serial bridge is an interface controller that translates USB traffic into a conventional peripheral protocol. It sits between a USB host and embedded UART or I2C devices, reducing the need for custom USB firmware in the target system. The CY7C65217 belongs to the USB-to-UART, USB-to-I2C, and USB-to-SPI bridge-controller category, which falls within interface ICs, interface adapters, and USB interface semiconductors. The device supports dual-channel UART and I2C interfaces with UART data rates up to 115200 bps. Each UART channel includes a 190-byte transmit buffer and a 190-byte receive buffer. The serial interface supports data and stop-bit configurations described by the manufacturer datasheet, along with parity, overrun, and framing-error reporting. These functions make the controller useful for bridging configuration ports, data acquisition modules, and industrial service interfaces. The USB side conforms to USB 2.0 and operates at up to 12 Mbps. Dual serial channels allow a single USB connection to serve two independent embedded targets or separate read and write command channels. The controller architecture therefore consolidates multiple low-speed peripheral links behind one standard USB host interface while retaining recognizable UART or I2C protocols on the device side. Typical uses include industrial equipment configuration, USB-to-UART adapters, USB-to-I2C sensor gateways, laboratory data-logging equipment, and embedded service consoles. The 24-QFN format is appropriate for compact commercial and industrial products where connector space is limited. Its exposed thermal pad also provides a practical path for heat transfer on multilayer PCBs. For reliable implementation, route USB differential signals as a controlled-impedance pair, place interface-support components close to their associated pins, and connect the exposed pad according to the manufacturer's land-pattern and thermal guidance. Confirm UART voltage levels and I2C pull-ups before attaching external circuitry, because the USB interface and the bridged serial domains may have separate electrical constraints. This product page combines manufacturer interface descriptions, package and environmental details, cross-reference findings, and application-oriented engineering guidance. It also distinguishes a confirmed same-family bridge option from unreferenced alternatives, helping engineers evaluate PCB reuse, firmware compatibility, and protocol requirements before making a replacement decision.

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CY7C65217A-24LTXI

CY7C65217A-24LTXI - USB 2.0 Serial Bridge | Infineon

Infineon Technologies CY7C65217A-24LTXI is a low-power EZ-USB serial bridge controller that translates between a USB 2.0 host connection and UART, I2C, SPI, GPIO, and other serial interfaces. The device is offered in a 24-QFN package measuring 4 x 4 mm, making it suitable for compact embedded systems, industrial control equipment, USB-to-serial adapters, and data-acquisition products that need a single controller to bridge several peripheral buses. A USB serial bridge is an interface controller that allows a host computer to communicate with UART, I2C, SPI, or general-purpose I/O peripherals through USB. These controllers combine USB device logic with embedded serial interfaces and configuration logic. Within the broader semiconductor hierarchy, the CY7C65217A-24LTXI belongs to the USB interface controller and bridge-controller class of interface ICs rather than to a general-purpose microcontroller or transceiver. The manufacturer's product information identifies USB 2.0 connectivity and support for USB-to-UART, USB-to-I2C, and USB-to-SPI bridging. It also identifies low-power operation as a defining feature of the EZ-USB serial bridge family. GPIO support allows the same controller to handle discrete control or status signals alongside its principal serial interface, reducing the need for separate interface components in compact designs. The 24-QFN construction supports dense PCB layouts while providing separate connections for USB and the embedded serial peripherals. USB bus-routing practices remain important because differential USB signals should be routed as a controlled impedance pair on a multilayer board. Short trace lengths, continuous reference planes, and careful placement of the USB interface components help maintain signal integrity in compact implementations. Typical uses include a USB-to-UART cable or adapter, an industrial instrument that exposes a legacy serial port to a modern host, an I2C sensor hub connected through USB, and an SPI peripheral interface in a compact control enclosure. In each case, the controller replaces separate host-interface adapters when the design needs multiple serial functions and compact board area. Design decisions should begin with the exact interface requirements of the target peripheral. Confirm which protocol will be used on each side, verify voltage compatibility, and follow the manufacturer's pin and reference-circuit guidance before assigning signals. A common pitfall is treating the A-suffix ordering code as interchangeable with every member of the CY7C65216 and CY7C65217 families without checking electrical limits and peripheral configuration. This product page consolidates the exact interface, package, and ordering information available from the manufacturer and distributor records, while separating true drop-in candidates from related family members. It also provides application-oriented guidance, a focused comparison table, and design notes that help engineers evaluate the controller before committing a 4 x 4 mm QFN layout to production.

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CY7C65219-40LQXI

CY7C65219-40LQXI - USB Billboard Controller | Infineon

Infineon Technologies CY7C65219-40LQXI is a USB 2.0 Billboard controller with a Cortex-M0 processor, 128 KB of embedded Flash, 8 KB of SRAM, and ESD protection for dock-management designs. It supports USB full-speed operation, USB Billboard device class v1.21, I2C, SPI, and UART interfaces, and is supplied in a 40-QFN package measuring 6 x 6 mm. A USB Billboard controller is a specialized USB interface controller used to identify attached accessories and exchange device information with a host. In the power-management hierarchy, the CY7C65219 belongs to the broader family of interface ICs and microcontrollers: its integrated Cortex-M0 core executes firmware that manages USB enumeration, dock interfaces, and peripheral connectivity. The USB Billboard interface is particularly useful in universal docks and monitor ecosystems where accessory detection must occur before a more complete display or data path is established. The controller combines a USB 2.0 full-speed interface with I2C, SPI, and UART connectivity. Its Cortex-M0 processing core and 128 KB Flash provide space for configuration and control firmware, while 8 KB of SRAM supports runtime buffering and protocol handling. ESD protection strengthens the USB-facing implementation, although the complete system still requires suitable board-level protection and compliant connector routing. The CY7C65219 supports operating voltage options identified in the verified product information as 1.8 V, 2.5 V, 3.3 V, and 5 V. This flexibility allows the controller to sit between USB host logic and lower-voltage dock peripherals. The 40-QFN 6 x 6 mm package supports compact surface-mount layouts, but the exposed construction requires thermal and assembly planning based on the manufacturer land pattern and reflow guidance. Typical uses include USB-C and legacy USB docking stations, monitor hubs, display adapters, cable-management devices, and peripheral identification systems. I2C is suitable for status and configuration peripherals, SPI can support higher-bandwidth local devices, and UART provides a straightforward host interface for firmware updates or diagnostics. Firmware should implement the required Billboard descriptors and device-class behavior before production deployment. Designers should follow the manufacturer datasheet for the 40-QFN pinout, exposed-pad connection, USB data-routing geometry, decoupling, and programming setup. USB differential pairs require controlled impedance and minimized discontinuity. Firmware compatibility, voltage selection, ESD behavior, and accessory descriptors should also be verified against the final dock architecture rather than inferred solely from the package outline. This page consolidates verified manufacturer and distributor information, application guidance, design considerations, and availability context. It also explicitly identifies electrical details that require confirmation from the manufacturer datasheet instead of presenting unverified specifications as fact.

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CY7C65219-40LQXIT

CY7C65219-40LQXIT USB Billboard Controller | Infineon

The Infineon Technologies CY7C65219-40LQXIT is a USB Billboard dock-management controller with an Arm Cortex-M0 processor, 128KB of embedded Flash memory, and 8KB of SRAM in a 40-QFN package measuring 6 x 6 mm. It provides USB full-speed connectivity for dock and monitor solutions, supports USB Billboard device class v1.21, and includes I2C, SPI, and UART interfaces for connecting peripheral hardware. The integrated USB controller manages device identification and configuration, while the embedded microcontroller enables dock-specific control functions. A dock-management controller is a specialized USB interface controller used to identify a connected USB dock or monitor and exchange implementation-specific information with a host. In the broader electronics hierarchy, it belongs to the USB controller family, connects to embedded processors and system interfaces, and operates as part of a USB device-management subsystem. The Billboard class provides a standardized mechanism through which a USB device can report descriptive capabilities to the host rather than relying only on a manufacturer-specific protocol. The CY7C65219-40LQXIT combines a USB 2.0 controller with an Arm Cortex-M0 processor and embedded memory in one package. Its 128KB Flash memory supports firmware storage, while 8KB of SRAM provides working memory for protocol handling and control logic. The available I2C, SPI, and UART interfaces allow the controller to communicate with display panels, bridge devices, sensors, configuration components, and other dock-management peripherals. ESD protection is identified for the device family in manufacturer product information. This integration reduces the component count required to build a USB-enabled dock-management subsystem. A dedicated microcontroller and separate USB interface IC are not required for the core Billboard function, although external circuitry may still be necessary for display interfaces, power sequencing, high-speed data paths, voltage-level translation, and connector-specific protections. The USB full-speed implementation is appropriate for configuration and control traffic rather than high-bandwidth video or storage transfers. Typical uses include USB-C docking stations, monitor hubs, universal docking platforms, display-control boards, peripheral-management controllers, and embedded USB accessories. The controller is particularly relevant when a host must identify dock capabilities using the USB Billboard device class. It can also coordinate low-speed sideband communication with I2C, SPI, or UART peripherals while the product’s primary high-speed interfaces are handled separately. Designers should assign USB, power, clock, reset, programming, and exposed peripheral interfaces according to the manufacturer pin-description table and application schematic. USB routing requires careful control-impedance implementation, short return paths, and placement of decoupling close to the device. External ESD and surge protection should be selected for the connector environment rather than assumed to cover every exposed interface. This page consolidates the exact device identity, interface capabilities, package information, sourcing links, drop-in assessment, and application guidance into one engineering reference. It also separates verified device facts from parameters that require confirmation with the manufacturer datasheet, helping designers evaluate the controller without relying on unrelated USB interface listings.

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CY7C65221-24LTXI

CY7C65221-24LTXI - USB 2.0 I2C/SPI/UART Bridge | Infineon

Infineon Technologies CY7C65221-24LTXI is a USB 2.0 serial interface controller with I2C, SPI, and UART connectivity, supplied in a 24-QFN 4 x 4 mm package. The industrial-temperature device supports a 1.71 V to 5.5 V operating supply range and is identified as a USB Full-Speed Peripheral. Its integrated interface controller allows a USB host to communicate with peripheral logic using serial protocols commonly found in embedded systems. A USB interface controller is an interface IC that bridges the host-oriented Universal Serial Bus with embedded serial peripherals. In the system hierarchy, it belongs to integrated circuits, interface ICs, and USB interface controllers. Such devices simplify USB connectivity when a product needs to expose configuration, control, logging, or data-transfer functions without implementing a complete USB host or complex external transceiver architecture. The CY7C65221-24LTXI supports USB 2.0 together with I2C, SPI, and UART interfaces. Its 1.71 V minimum operating supply permits integration with low-voltage embedded systems, while the 5.5 V maximum provides compatibility with common 3.3 V and 5 V rails. The listed 20 mA supply-current figure and 1.71 V to 5.5 V supply range provide useful initial points for power-budget and regulator-selection work, although detailed current consumption across operating modes is not included in the supplied data. The controller is offered in a compact 24-QFN package measuring 4 x 4 mm. This surface-mount construction reduces board area compared with larger leaded packages but requires careful escape routing, thermal-pad soldering, and assembly-process control. The exposed-pad package also preserves electrical and thermal performance when its land pattern is implemented according to the manufacturer footprint guidance. Typical uses include USB-to-serial configuration ports, embedded control and debug interfaces, data acquisition front ends, industrial peripherals, and communication accessories. In each case, the device can serve as the USB-facing controller while I2C, SPI, or UART connects to sensors, memories, converters, or other local logic. Firmware, protocol support, and enumeration behavior must be confirmed against the manufacturer documentation before a design is released. The primary design consideration is USB signal integrity. Place the device according to the recommended footprint, provide a continuous ground reference, decouple the supply close to the pins, and route D+ and D- as a controlled impedance pair with minimal stubs. The 24-QFN thermal pad should be connected to the appropriate ground or power plane using the documented assembly pattern. This product record consolidates verified distributor listings, package information, interface capabilities, operating limits, and relevant replacement-search results. It also highlights where engineers must consult the exact manufacturer datasheet and footprint files rather than relying on generic catalog data.

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CY7C65221-24LTXIT

CY7C65221-24LTXIT - USB 2.0 Controller | Infineon

Infineon Technologies CY7C65221-24LTXIT is a USB 2.0 controller with I2C, SPI, and UART interfaces packaged in a 24-QFN 4 x 4 mm package. It is designed for embedded systems that need to connect a USB host or peripheral to serial peripherals, embedded processors, sensors, and other USB-connected equipment. A USB controller is an interface semiconductor that manages the physical and logical connection between a USB bus and an embedded system. The CY7C65221 family belongs to the broader USB interface controller hierarchy, where USB provides a standardized peripheral connection and I2C, SPI, and UART provide links to sensors, memory devices, displays, and communications modules. The device supports USB 2.0 operation and combines I2C, SPI, and UART connectivity in one controller. This mixed-interface arrangement is useful when a system must bridge several peripheral buses without implementing each protocol in a separate host controller. Its USB full-speed peripheral role is suitable for configuration, control, and data-transfer systems using USB as the primary external connection. The 24-QFN 4 x 4 mm package supports compact PCB layouts while exposing 24 package contacts for power, USB, serial interfaces, configuration, and related control functions. Because no exposed thermal-pad specification is stated in the product information, thermal design should be based on the package drawing and the final board-level copper implementation rather than an assumed heat-spreader connection. Typical uses include USB-to-serial bridge equipment, programmable control panels, embedded test systems, industrial interface modules, sensor controllers, and compact embedded products. The I2C interface can address low-speed peripheral devices, while SPI supports higher-throughput synchronous peripherals and UART supports conventional asynchronous serial links. The principal design consideration is interface assignment. Route USB and each serial interface only to the pins assigned to that function in the manufacturer pin description, and observe the voltage, timing, and pin-state requirements associated with UART, I2C, and SPI signaling. Firmware must also implement the required USB enumeration and peripheral-access behavior rather than treating the controller as a protocol-independent physical adapter. This page organizes the exact package and interface information, one verified same-family candidate, package-aware comparison points, and practical integration guidance. Together, these details help engineers evaluate PCB reuse, firmware compatibility, and peripheral-bus requirements before committing the controller to a new design.

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CY7C65620-56LFXA

CY7C65620-56LFXA Low-Power USB 2.0 Hub | Infineon

The Infineon CY7C65620-56LFXA is a low-power USB 2.0 hub controller in a 56-pin QFN package. The verified product data identifies it as the EZ-USB HX2LP device and indicates a controller interface for USB hub implementations; detailed electrical ratings, pin assignments, and timing values were not included in the supplied source excerpts. Its 56-QFN package is the relevant footprint for PCB compatibility and assembly planning. A USB hub controller is an interface integrated circuit that coordinates communication between one upstream USB host connection and multiple downstream USB ports. Within the broader hierarchy, it is a USB interface IC, then a USB controller, and ultimately a semiconductor used to expand USB connectivity. Hub controllers commonly include port-management logic and configurable GPIO resources, although the exact feature set and firmware requirements must be confirmed from the manufacturer datasheet. The verified listing describes the CY7C65620-56LFXA as an EZ-USB HX2LP low-power USB 2.0 hub controller. Mouser identifies it as a USB interface IC, while LCSC reports an in-stock status and a price from $0.3457. These listings support commercial availability information, but they do not provide a complete verified specification set for implementation. The product is therefore best treated as a procurement and package-level reference until the full datasheet is reviewed. The Infineon product-page result for the related CY7C65620-56LTXC describes a configurable two-port single-TT hub with GPIO, LED-indicator, and EEPROM configuration options. That information describes the related ordering variant and should not be transferred automatically to the CY7C65620-56LFXA without checking the exact datasheet ordering table. Engineers should verify electrical limits, pin names, exposed-pad requirements, clocking, power sequencing, and USB signal-routing guidance before layout release. Typical uses include USB hubs, USB monitors, docking stations, embedded USB expansion systems, and compact peripheral equipment. In these applications, the controller’s principal value is integration: it reduces the discrete logic required to manage multiple USB downstream ports while keeping the implementation within a compact QFN footprint. The main design consideration is package and signal integrity. A 56-QFN controller requires a footprint-compatible land pattern, controlled power and ground distribution, and careful routing of USB differential pairs. Because the supplied data does not expose complete pin-level or electrical details, every board design must follow the official manufacturer datasheet rather than relying on distributor snippets. This page consolidates verified distributor listings, related manufacturer information, package identity, pricing availability, and design-oriented cautions. It does not invent missing electrical specifications, pin names, timing values, or alternatives; the validation markers identify information that still requires manufacturer-documentation review.

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CY7C65620-56LFXAT

CY7C65620-56LFXAT - 2-Port USB 2.0 Hub | Infineon

Infineon Technologies CY7C65620-56LFXAT is a two-port, single-Transaction Translator USB 2.0 hub controller in a 56-QFN package. It operates from a 3.45 V supply and supports USB full-speed and high-speed operation up to 480 Mbps. The controller is designed for compact USB hubs that need flexible port routing, GPIO-controlled indicators, and configurable USB device identifiers. Its low-power architecture is suitable for embedded USB expansion, docking, monitoring, and industrial interface systems. A USB hub controller is an interface IC that manages communication between one upstream USB host and multiple downstream USB devices. The CY7C65620 belongs to the EZ-USB HX2LP low-power USB 2.0 hub-controller family and uses a single-Transaction Translator architecture. This hierarchy connects the device to USB interface controllers, USB 2.0 peripheral controllers, interface ICs, and ultimately semiconductor solutions for USB connectivity. The verified device information identifies integrated upstream and downstream termination resistors, integrated port-status indicator control, a 24 MHz external crystal connection, and an integrated phase-locked loop. Configuration can use an external SPI EEPROM for vendor ID, product ID, and other descriptors. The -56LFXAT ordering code also identifies the 56-pin QFN package, the A-grade variant, and the temperature and shipping-option suffix, although the exact numeric temperature limits were not present in the supplied source data. Typical applications include two-port USB 2.0 hubs, embedded host adapters, industrial data-acquisition equipment, USB-to-serial bridge assemblies, peripheral docking stations, and compact test systems. The 480 Mbps high-speed capability allows the controller to work with high-speed storage and communications devices while remaining compatible with full-speed USB peripherals. Designers should follow the manufacturer reference circuit for crystal loading, USB differential routing, supply decoupling, and termination requirements. USB signal integrity depends on controlled impedance, short traces, continuous reference planes, and minimizing stubs. The external EEPROM option also requires careful logic-level and pull-up review if configurable descriptors are used. This product data consolidates the verified price and stock listing, controller capabilities, package identity, ordering variants, and application-oriented design guidance. It also distinguishes genuine same-family drop-in options from broader USB-hub-controller alternatives that do not share the 56-QFN footprint.

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CY7C65620-56LFXC

CY7C65620-56LFXC - USB 2.0 Low-Power 2-Port Hub Controller | Infineon Technologies

The Infineon Technologies CY7C65620-56LFXC is a low-power USB 2.0 hub controller in the EZ-USB HX2LP family, designed for systems that require an integrated two-port USB hub controller with low-power operation and flexible port configuration. It is identified by the verified distributor data as a USB 2.0 USB interface controller in a 56-QFN (8 x 8 mm) package. The controller is suitable for embedded USB host, docking, docking-station, printer, storage, and industrial peripheral designs where USB connectivity and compact board area are priorities. A USB hub controller is an interface IC that manages USB traffic between one upstream USB port and multiple downstream ports. In the USB hierarchy, the CY7C65620 belongs to the interface-controller class and provides the device-side logic needed to organize downstream USB connections. Its low-power design focus helps systems that must balance USB functionality against battery and thermal budgets, while the integrated 24 MHz external crystal interface with an integrated PLL provides a defined clock source for USB operation. Verified product information identifies the EZ-USB HX2LP family with integrated upstream and downstream termination resistors, integrated port status indicator control, and configuration through an external SPI EEPROM. The controller supports in-system EEPROM programming, including configurable vendor ID and product identification information. These features can reduce board-level component count and provide a path to field-configurable USB identity without changing the hub-controller IC. The CY7C65620-56LFXC is targeted at USB 2.0 hub implementations where a compact 56-QFN package and low-power controller are useful. Compared with a discrete host-side hub design, an integrated controller centralizes USB protocol handling, port status management, and configuration support. Design work should still validate the controller's electrical timing, crystal requirements, termination configuration, EEPROM programming procedure, and thermal performance against the latest manufacturer datasheet before production release. The available distributor records identify both Infineon Technologies and Rochester Electronics listings for the same MPN, while Mouser and Octopart provide additional sourcing visibility. Pricing, lead time, and lifecycle status are not consistently exposed in the supplied records, so those commercial fields require confirmation from an authorized distributor or a current XAIPART quotation. This page combines the verified manufacturer-related and distributor data with engineering-oriented guidance on USB hub implementation, EEPROM configuration, clocking, port-status control, and supply-chain risk. It is intended to help engineers evaluate whether the CY7C65620-56LFXC is suitable for a compact USB 2.0 hub design, while clearly identifying parameters that still require datasheet or commercial confirmation.

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