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Infineon Technologies CY7C65223-24LTXI
- Part No.:
- CY7C65223-24LTXI
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 24-UFQFN Exposed Pad
- Datasheet:
-
CY7C65223-24LTXI.pdf
- Description:
- USB FULL-SPEED PERIPHERALS
- Quantity:
- Payment:
- Shipping:
Inventory:2,401
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Product details
Overview
CY7C65223-24LTXI from Infineon is a single-channel USB 2.0 Full-Speed (12 Mbps) to UART bridge controller supporting CDC, PHDC, and vendor-class USB protocols, with integrated 48 MHz oscillator, 4 GPIOs, and 512-byte flash for configuration storage. It enables RS232/RS422/RS485 interface bridging in industrial serial gateways and medical point-of-care devices.
For engineers reviewing the CY7C65223-24LTXI datasheet, CY7C65223-24LTXI pinout, CY7C65223-24LTXI application, or CY7C65223-24LTXI equivalent, key selection criteria include UART data rate up to 3 Mbps, BCD v1.2 compliance (peripheral detect), software/hardware flow control support, and QFN-24 package compatibility with 0.5 mm pitch PCB layout.
Technical Context
The device implements a full USB 2.0-compliant Serial Interface Engine (SIE) with integrated USB transceiver and termination resistors, eliminating external components. Its UART block supports configurable pin counts (2/4/6/8), framing options (7–8 data bits, 1–2 stop bits, five parity modes), and error detection (parity, overrun, framing).
Power architecture includes dual-regulated operation: VBUS-powered mode with internal 3.3 V regulator and self-powered mode with 1.71–5.5 V supply range. Clocking relies on an internal 48 MHz oscillator for USB timing and a 32 kHz oscillator for suspend/resume management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed | Full-Speed at 12 Mbps - meets USB 2.0 specification without requiring external PHY or clock source. |
| UART Data Rate | Up to 3 Mbps - supports high-speed legacy serial peripherals such as industrial PLCs and barcode scanners. |
| FIFO Depth | 190 bytes TX/RX - reduces host CPU interrupt load and prevents data loss during burst transfers. |
| GPIO Count | 4 dedicated pins - configurable for status indication, reset control, or hardware handshaking (e.g., DTR/DSR). |
| Operating Temp | –40°C to +85°C (industrial grade) - qualified for deployment in factory automation and outdoor kiosks. |
| ESD Rating | 2.2 kV HBM - provides robustness against handling and system-level electrostatic discharge events. |
| Package | 24-pin QFN (4.0 × 4.0 mm, 0.5 mm pitch) - surface-mount compatible with standard reflow profiles and IPC-7351B land patterns. |
Pinout & Package
24-pin QFN package (4.0 mm × 4.0 mm, 0.5 mm pitch, 0.55 mm height) with wettable flanks for automated optical inspection. Exposed thermal pad connected to VSS for enhanced thermal dissipation in continuous UART operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD | Digital power supply | 1.71–5.5 V input powering core logic and USB interface; decoupling required per datasheet layout guidelines. |
| VCCD | I/O power supply | Configurable voltage rail (1.8/2.5/3.3/5.0 V) setting UART and GPIO I/O levels independently of VDDD. |
| USBDP / USBDM | USB differential pair | Integrated 1.5 kΩ pull-up on USBDP for Full-Speed enumeration; no external resistors needed. |
| RxD / TxD | UART receive/transmit | Primary asynchronous serial interface; supports TTL-level signaling by default; RS232/422/485 requires external level shifter. |
| CTS# / RTS# | Hardware flow control | Active-low signals enabling automatic pause/resume of UART transmission without software intervention. |
| nXRES | Reset input | Active-low asynchronous reset pin; internal pull-up ensures reliable startup when left unconnected. |
| VBUS | USB bus voltage sense | Detects presence of USB host power; enables automatic switch between bus-powered and self-powered modes. |
Key Features
| Feature | Design Value |
|---|---|
| Unique serial number per device | Fixes COM port assignment across Windows plug/unplug cycles, eliminating driver re-enumeration issues in field-deployed systems. |
| Battery Charging Detection (BCD) | Complies with USB BC 1.2 peripheral detection only - enables charging-aware behavior in portable medical and handheld test equipment. |
| Configurable UART interface | Supports 2-, 4-, 6-, or 8-pin variants via firmware configuration - adapts to legacy RS232 (2-pin), modem control (6-pin), or full modem handshake (8-pin) requirements. |
| On-chip 512-byte flash | Stores VID/PID, descriptors, UART settings, and GPIO configurations - eliminates need for external EEPROM in production designs. |
| Integrated 48 MHz oscillator | Meets USB timing accuracy requirements without external crystal - reduces BOM count and board space in cost-sensitive applications. |
Applications
| Industrial Serial Gateway | Medical Point-of-Care Device |
|---|---|
Use Scenario: Connecting legacy RS485-based PLCs and sensors to modern USB-enabled HMIs or edge controllers. IC Role / Device Role / Timing Role: USB-UART protocol translator with hardware flow control and 3 Mbps throughput to sustain real-time sensor polling. Use Value: Eliminates need for external level shifters and USB PHY ICs while maintaining deterministic latency under 10 ms. | Use Scenario: Enabling USB connectivity in portable ECG monitors and glucose meters with battery charging awareness. IC Role / Device Role / Timing Role: CDC-class virtual COM port with BCD v1.2 peripheral detection for safe USB charging integration. Use Value: Ensures consistent COM port enumeration and prevents accidental disconnection during clinical use. |
| POS Terminal Interface | Test & Measurement Adapter |
Use Scenario: Bridging magnetic stripe readers and receipt printers with embedded USB hosts in retail kiosks. IC Role / Device Role / Timing Role: Single-channel UART bridge with 4 GPIOs used for printer ready/busy signaling and card reader power control. Use Value: Reduces firmware complexity by offloading USB enumeration and descriptor management to hardware. | Use Scenario: Converting USB commands from PC-based test software into UART sequences for DUT communication. IC Role / Device Role / Timing Role: Configurable CDC device with 190-byte FIFOs to absorb command bursts and prevent buffer overflow during high-frequency scripting. Use Value: Enables deterministic response timing and eliminates packet loss in automated calibration workflows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB-to-serial bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C65223D-24LTXI | Dual-channel UART (vs. single-channel); same GPIO count and flash size; supports 8-pin UART configuration. | Required where two independent serial buses must be bridged simultaneously (e.g., dual-sensor test fixtures). | Select when multi-port isolation or concurrent RS232+RS485 bridging is needed without adding second IC. |
| CP2102N-A02-GM | Single-channel, 2.5 Mbps max UART rate; no BCD support; smaller 20-pin QFN (3×3 mm); lacks RS485 enable capability. | Suitable for basic CDC bridging where charging detection and RS485 are not required (e.g., simple debug interfaces). | Choose for lower-cost, space-constrained designs where advanced features like BCD or 3 Mbps operation are unnecessary. |
Compared with CY7C65223-24LTXI, the CY7C65223D offers channel expansion at identical footprint and GPIO count, while the CP2102N trades BCD, RS485 readiness, and 3 Mbps speed for reduced size and cost-making it viable only in non-industrial, non-charging-aware use cases.
Availability
CY7C65223-24LTXI is available at Aetrix Electronics and suitable for industrial serial gateways, medical point-of-care devices, POS terminal interfaces, and test & measurement adapters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY7C65223-24LTXI includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, sensing, connectivity, and security solutions for automotive, industrial, and IoT markets.
The CY7C65223 belongs to Infineon's USB Serial Bridge Controller family, designed specifically to simplify USB connectivity in legacy serial systems without firmware development-targeting industrial automation, healthcare instrumentation, and embedded test equipment.
FAQ
Does CY7C65223-24LTXI require an external crystal?
No. The device integrates a precision 48 MHz oscillator meeting USB Full-Speed timing requirements, eliminating the need for an external crystal or clock source. This reduces bill-of-materials cost and PCB area while improving reliability in vibration-prone environments.
Can CY7C65223-24LTXI operate in self-powered mode with 1.8 V I/O?
Yes. VCCD supports 1.8 V operation independently of VDDD, allowing direct interfacing with 1.8 V logic peripherals. The internal regulator maintains stable 3.3 V for USB signaling regardless of VCCD setting, ensuring interoperability with standard USB hosts.
What UART configurations does the CY7C65223 support out of the box?
The device defaults to a 4-pin UART (RxD, TxD, RTS#, CTS#) with CDC class identification. Configuration utility allows runtime switching to 2-pin (basic), 6-pin (with DTR#/DSR#), or 8-pin (full modem) layouts-no hardware change or firmware recompile required.
Is RS485 half-duplex operation supported natively?
No native RS485 transceiver is integrated, but the CY7C65223 provides dedicated GPIO control and UART timing features (e.g., automatic DE/RE assertion via RTS#) to drive external RS485 transceivers like MAX13487 or SN65HVD72 with minimal external components.
CY7C65223-24LTXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 24-UFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Bridge
- Interface:
- GPIO, UART
- Standards:
- USB 2.0
- Voltage - Supply:
- 1.71V ~ 1.89V, 3.15V ~ 3.45V, 4.35V ~ 5.25V, 2V ~ 5.5V
- Current - Supply:
- 20mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 24-QFN (4x4)
- Grade:
- -
- Qualification:
- -
CY7C65223-24LTXI FAQ
1.How can I place an order for CY7C65223-24LTXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C65223-24LTXI on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY7C65223-24LTXI reliable?
The price and inventory of CY7C65223-24LTXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C65223-24LTXI is usually 5 days.
3.What payment methods are accepted for CY7C65223-24LTXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C65223-24LTXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C65223-24LTXI?
CY7C65223-24LTXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C65223-24LTXI order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY7C65223-24LTXI?
For technical support, including CY7C65223-24LTXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C65223-24LTXI requirements.
6.How does Aetrix verify that CY7C65223-24LTXI is sourced from the original manufacturer or authorized distributors?
All CY7C65223-24LTXI products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY7C65223-24LTXI meets industry standards.
7.What is the process for return or replacement of CY7C65223-24LTXI?
All CY7C65223-24LTXI units undergo pre-shipment inspection (PSI). If there is an issue with CY7C65223-24LTXI, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY7C65223-24LTXI part is unused and in its original packaging.
Return procedure for CY7C65223-24LTXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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