Infineon Technologies CY7C65210A-24LTXI
- Part No.:
- CY7C65210A-24LTXI
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 24-UFQFN Exposed Pad
- Datasheet:
-
CY7C65210A-24LTXI.pdf
- Description:
- USB FULL-SPEED PERIPHERALS
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY7C65210A-24LTXI from Infineon is a USB 2.0 Full-speed (12 Mbps) Billboard controller IC compliant with USB Billboard Device Class v1.21, featuring integrated 48-MHz oscillator, 2560-byte configurable flash, 11 GPIOs, and single-channel I²C interface operating up to 400 kHz. It supports bus- or self-powered operation across 1.71–5.5 V, delivers native Windows 10 Billboard driver support, and targets USB Type-C Alternate Mode containers such as docking stations and monitors.
For engineers reviewing the CY7C65210A-24LTXI datasheet, CY7C65210A-24LTXI pinout, CY7C65210A-24LTXI application, or CY7C65210A-24LTXI equivalent, key selection criteria include Billboard Class v1.21 compliance, 11-GPIO count, QFN-24 package compatibility, suspend/wakeup omission versus legacy CY7C65210, and I²C-only serial interface-critical for Type-C accessory firmware configuration and error reporting.
Technical Context
The CY7C65210A implements a dedicated USB Billboard device stack that enumerates exclusively under USB Device Class 0x0B (Miscellaneous), Subclass 0x00, Protocol 0x03 (Billboard), using pre-programmed descriptors stored in on-chip flash. It lacks UART functionality-unlike CY7C65217A-and relies solely on its single I²C master interface (SCB0) for host-side configuration and status exchange.
Its power architecture includes dual regulators: a VBUS-to-VCCD LDO (3.15–5.25 V input → 1.8 V output) and a wide-input VDDD supply rail (1.71–5.5 V) powering core logic and I/O. The absence of SUSPEND/WAKEUP pins in the A-version (vs. CY7C65210) reflects removal of suspend-state signaling per Billboard v1.21 specification requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed | Full-speed (12 Mbps); meets USB 2.0 certification for Billboard enumeration without external transceiver. |
| Billboard Spec | v1.21; enables correct descriptor reporting for USB Type-C Alternate Mode failure scenarios per USB PD 3.0. |
| I²C Interface | Single master, up to 400 kHz; used exclusively for host MCU to read/write flash-stored descriptors and status registers. |
| GPIO Count | 11 programmable pins; supports custom LED control, button sensing, or auxiliary signaling in dongle/dock designs. |
| Flash Memory | 2560 bytes; stores Billboard-specific descriptors (bcdVersion, wVSID, wVSI, bVENDORINFO), writable via I²C. |
| Supply Range | VDDD = 1.71–5.5 V; allows direct connection to 3.3 V or 5 V system rails without level-shifting. |
| ESD Rating | 2.2 kV HBM; sufficient for consumer-facing USB port ESD robustness without external protection. |
Pinout & Package
Package: 24-lead QFN (4.0 mm × 4.0 mm, 0.5-mm pitch, 0.55-mm height), RoHS-compliant, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–6, 19–23 | GPIO | Tristate-capable general-purpose I/O; GPIO_1 supports wakeup from suspend (if enabled), others configurable as input/output/pull-up/down. |
| 7, 8, 9 | GPIO | GPIO_11, GPIO_12, GPIO_13: all tristate in CY7C65210A (no SUSPEND/WAKEUP function); replace legacy power/suspend signals. |
| 10, 11 | USBIO | USBDP/USBDM: integrated 1.5-kΩ pull-up on USBDP + on-die 27-Ω series termination; no external resistors needed. |
| 12, 13, 16 | Power | VCCD (1.8 V LDO output), VSSD (digital ground ×3); decoupling required at VCCD with 1 µF capacitor. |
| 14 | Reset | nXRES: active-low asynchronous reset; internal pull-up; can be left floating if unused. |
| 15 | Power | VBUS: 3.15–5.25 V input to internal LDO; powers VCCD and enables bus-powered operation. |
| 17 | Power | VSSA: analog ground; must be connected to system ground plane but isolated from noisy digital returns where possible. |
| 18 | Debug | Debug I/O: reserved for factory debug; must remain floating in end application. |
| 21, 22 | SCB/GPIO | SCB_1/GPIO_3 (SCL), SCB_2/GPIO_4 (SDA): dedicated I²C bus pins; not multiplexed with other functions. |
| 24 | Power | VDDD: primary core/interface supply (1.71–5.5 V); powers GPIOs, I²C, USB PHY, and flash controller. |
Key Features
| Feature | Design Value |
|---|---|
| Native Billboard Class Support | Enumerates automatically as USB Class 0x0B Subclass 0x00 Protocol 0x03-no host driver development required on Windows 10+. |
| Integrated 48-MHz Oscillator | Eliminates external crystal and load capacitors; reduces BOM cost and PCB area while meeting USB timing jitter specs. |
| Configurable Flash Descriptor Store | 2560-byte flash retains vendor ID, product ID, alternate mode failure strings, and VSI data across power cycles. |
| Wide VDDD Supply Range | 1.71–5.5 V operation enables direct interfacing with 1.8 V, 3.3 V, or 5 V host MCUs without level shifters. |
| On-Die USB Termination | Integrated 27-Ω series resistors on USBDP/USBDM and 1.5-kΩ pull-up on USBDP meet USB-IF electrical compliance. |
Applications
| USB-C Docking Station | USB-C Monitor |
|---|---|
|
Use Scenario: Dock connects laptop to HDMI, Ethernet, USB-A peripherals; reports Alternate Mode failures when DisplayPort tunneling fails. IC Role / Device Role / Timing Role: Billboard controller providing standardized USB descriptor-based failure reporting to OS during USB PD negotiation. Use Value: Enables user-visible error messages (e.g., "DisplayPort Alternate Mode not supported") instead of silent connection drop. |
Use Scenario: Monitor with USB-C upstream port negotiates video/audio/data; reports cable or source capability mismatches. IC Role / Device Role / Timing Role: Dedicated Billboard device responding to GET_STATUS requests with vendor-defined failure strings. Use Value: Eliminates need for custom firmware/hardware to interpret PD contract failures-reduces qualification time. |
| USB-C Dongle | Automotive USB-C Rear Seat Port |
|
Use Scenario: Compact adapter converting USB-C to HDMI/VGA; must signal "No DisplayPort Support" when plugged into non-compliant host. IC Role / Device Role / Timing Role: Standalone Billboard IC handling all descriptor traffic without MCU intervention. Use Value: Reduces bill-of-materials by replacing MCU + software stack with single-configurable IC. |
Use Scenario: In-vehicle USB-C port supporting video mirroring; reports thermal or voltage faults during high-power charging + video use. IC Role / Device Role / Timing Role: Robust Billboard interface operating across –40°C to 105°C with automotive-grade ESD (2.2 kV HBM). Use Value: Meets automotive environmental requirements while delivering standardized fault visibility to infotainment UI. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Billboard device applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C65210-24LTXI | Billboard v1.1; includes SUSPEND/WAKEUP pins; 9 GPIOs; requires external crystal. | Supports legacy suspend signaling; suited for systems needing hardware wake event detection. | Select only if v1.1 compliance and suspend/wakeup I/O are required-CY7C65210A is preferred for new designs. |
| CY7C65217A-24LTXI | Dual SCB (UART + I²C); 9 GPIOs; same v1.21 Billboard spec; no SUSPEND/WAKEUP. | Enables UART-based host communication (e.g., debug logging) alongside Billboard descriptor updates. | Choose when host MCU lacks I²C or requires ASCII command interface-adds UART flexibility at same footprint. |
Compared with CY7C65210-24LTXI, the CY7C65210A-24LTXI removes obsolete suspend signaling and adds two GPIOs, simplifying layout for v1.21-compliant designs; versus CY7C65217A-24LTXI, it trades UART capability for lower gate count and deterministic I²C-only configuration path.
Availability
CY7C65210A-24LTXI is available at Aetrix Electronics and suitable for USB-C docking stations, monitors, dongles, and automotive rear-seat ports requiring stable component supply, full USB-IF Billboard compliance, and industrial temperature range support.
Supply support for CY7C65210A-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 global semiconductor leader headquartered in Munich, Germany, specializing in power systems, sensors, and connectivity solutions for automotive, industrial, and IoT markets.
CY7C65210A belongs to Infineon's EZ-USB™ FX2LP/FX3/CY7C652xx family of USB microcontrollers, designed specifically to offload USB protocol handling and Billboard descriptor management from host processors in USB Type-C accessories.
FAQ
Does CY7C65210A-24LTXI require an external crystal?
No. The CY7C65210A integrates a factory-trimmed 48-MHz oscillator meeting USB Full-speed timing jitter requirements. No external crystal or load capacitors are needed-reducing BOM count and PCB area versus crystal-dependent variants like CY7C65210.
Can CY7C65210A-24LTXI be used in automotive applications?
Yes. The -24LTXI suffix denotes industrial temperature grade (–40°C to +85°C), and the device meets 2.2 kV HBM ESD rating-sufficient for many automotive cabin applications. For under-hood use, verify system-level thermal design and consult Infineon's AEC-Q200 guidance for derivative qualification.
How is the Billboard descriptor content programmed?
Descriptors are stored in the 2560-byte on-chip flash and configured via the I²C interface (SCB0, pins 21/22) using Infineon's USB-Serial Configuration Utility or custom host firmware. No USB reenumeration is required after update-changes take effect on next USB reset or power cycle.
What is the function of the Debug I/O pin (Pin 18)?
Pin 18 is reserved for factory test and debug; it is not functional in end-user applications. Infineon documentation specifies it must be left floating-no pull-up, pull-down, or connection to any signal. Connecting it may disrupt internal test modes or cause undefined behavior.
CY7C65210A-24LTXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 24-UFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Controller
- Interface:
- GPIO, I2C, Serial, UART
- Standards:
- USB 2.0
- Voltage - Supply:
- 1.71V, 3.15V, 4.35V ~ 1.89V, 3.45V, 3.63V
- Current - Supply:
- 20mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 24-QFN (4x4)
- Grade:
- -
- Qualification:
- -
CY7C65210A-24LTXI FAQ
1.How can I place an order for CY7C65210A-24LTXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C65210A-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 CY7C65210A-24LTXI reliable?
The price and inventory of CY7C65210A-24LTXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C65210A-24LTXI is usually 5 days.
3.What payment methods are accepted for CY7C65210A-24LTXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C65210A-24LTXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C65210A-24LTXI?
CY7C65210A-24LTXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C65210A-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 CY7C65210A-24LTXI?
For technical support, including CY7C65210A-24LTXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C65210A-24LTXI requirements.
6.How does Aetrix verify that CY7C65210A-24LTXI is sourced from the original manufacturer or authorized distributors?
All CY7C65210A-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 CY7C65210A-24LTXI meets industry standards.
7.What is the process for return or replacement of CY7C65210A-24LTXI?
All CY7C65210A-24LTXI units undergo pre-shipment inspection (PSI). If there is an issue with CY7C65210A-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 CY7C65210A-24LTXI part is unused and in its original packaging.
Return procedure for CY7C65210A-24LTXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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