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Infineon Technologies CY7C65219-40LQXI
- Part No.:
- CY7C65219-40LQXI
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY7C65219-40LQXI.pdf
- Description:
- USB FULL-SPEED PERIPHERALS
- Quantity:
- Payment:
- Shipping:
Inventory:4,900
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Product details
Overview
CY7C65219-40LQXI from Infineon Technologies (formerly Cypress) is a USB Billboard Device Class v1.21-compliant Dock Management Controller (DMC) with integrated Arm® Cortex®-M0 CPU, 128-KB flash, 8-KB SRAM, and hardware crypto engine for firmware authentication. It supports signed/unsigned firmware updates over USB to connected PD controllers and hubs, delivers ±8-kV contact ESD on DPLUS/DMINUS, and operates across –40 °C to +85 °C in a 40-QFN package.
For engineers reviewing the CY7C65219-40LQXI datasheet, CY7C65219-40LQXI pinout, CY7C65219-40LQXI application, or CY7C65219-40LQXI equivalent, key selection criteria include full-speed USB device controller compliance, 4× reconfigurable SCBs (I²C/SPI/UART), 20 GPIOs with overvoltage-tolerant I²C pins, deep-sleep current of 30 µA, and industrial temperature range support.
Technical Context
The CY7C65219 implements a dedicated USB Billboard device class stack on a 48-MHz Cortex-M0 core, enabling real-time status reporting for dock components via vendor-defined USB interface. Its four Serial Communication Blocks (SCBs) operate at up to 1 Mbps (Fast Mode Plus I²C), with configurable FIFOs and mailbox addressing to minimize CPU interrupt load during firmware update handshaking.
Hardware crypto acceleration includes AES, SHA-1/SHA-256, CRC, and PRNG-enabling secure RSA-2048/SHA-256 signature verification for signed firmware images. System-level ESD protection meets IEC61000-4-2 Level 4C (±8-kV contact, ±15-kV air gap) directly on DPLUS and DMINUS pins without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB-IF Certified USB 2.0 Full-Speed Silicon (TID#1534); supports Billboard Device Class v1.21 |
| CPU Core | Arm Cortex-M0 @ 48 MHz with hardware multiplier, NVIC, WIC, and SWD debug interface |
| Memory | 128-KB flash (dual-bank, 1-WS @ 48 MHz), 8-KB SRAM, 8-KB ROM boot loader |
| Crypto Engine | Hardware-accelerated AES, SHA-1/SHA-256, CRC, PRNG for firmware image authentication |
| ESD Protection | ±8-kV contact / ±15-kV air-gap on DPLUS/DMINUS per IEC61000-4-2 Level 4C |
| Power Modes | Reset (30 µA), Deep Sleep (30 µA), Sleep (3.5 mA), Active (typ. 12 mA @ 48 MHz) |
| GPIO & Peripherals | 20 GPIOs; 4× SCBs (I²C/SPI/UART); 4× TCPWM; 1.71–5.5 V I/O voltage range |
Pinout & Package
Package: 40-pin QFN (6 mm × 6 mm, 0.5 mm pitch), exposed pad, industrial temperature range (–40 °C to +85 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DPLUS / DMINUS | USB 2.0 Full-Speed differential pair | Direct connection to USB host; integrated ESD protection and 5.0 V → 3.3 V regulator |
| P0.0 / P0.1 | I²C_0_SDA / I²C_0_SCL | Overvoltage-tolerant I²C interface for PD controller communication; supports hot-swap |
| P1.2–P1.3, P3.4–P3.5 | I²C_3 / I²C_2 interfaces | Configurable SCB-based I²C ports for hub and display controller management |
| P2.0 / P2.1 | SWD_0_DAT / SWD_0_CLK | Two-wire serial wire debug interface for flash programming and runtime debugging |
| VDDIO | I/O supply rail | Independent 1.71–5.5 V supply enabling mixed-voltage signaling with dock peripherals |
| XRES | External reset input | Active-low reset with internal pull-up to VDDIO; synchronizes firmware update state machine |
Key Features
| Feature | Design Value |
|---|---|
| Firmware update orchestration | Vendor-defined USB interface enables atomic, status-reported updates to multiple dock ICs (PD controller, hub) via SCB |
| Reconfigurable serial interfaces | Four SCBs independently assignable as I²C (up to 1 Mbps), SPI (master/slave), or UART-reducing BOM count vs discrete bridges |
| Secure boot enforcement | Hardware crypto block validates SHA-256 hash or RSA-2048 signature before loading firmware into flash |
| Low-power dock supervision | 30 µA deep-sleep current allows continuous USB enumeration monitoring without draining host power |
| Robust system integration | Integrated 8-kV ESD on USB pins eliminates need for external TVS diodes in dock PCB layout |
Applications
| USB-C Dock Firmware Hub | Multi-Port Monitor Dock |
|---|---|
Use Scenario: A compact USB-C dock with HDMI, USB-A, and Ethernet ports requires centralized firmware update coordination across PD controller, USB 3.0 hub, and display bridge ICs. IC Role / Device Role / Timing Role: CY7C65219 acts as Billboard-class USB device and firmware orchestrator, managing authenticated updates and status reporting via SCB-connected peripherals. Use Value: Eliminates separate microcontroller for dock management; reduces bill-of-materials by integrating crypto, USB, and multi-protocol I/O in one die. | Use Scenario: Dual-display monitor dock supporting DisplayPort Alt Mode and USB peripheral passthrough must report connection status and error codes to host OS via USB Billboard class. IC Role / Device Role / Timing Role: CY7C65219 serves as USB Billboard endpoint, exposing standardized descriptors and vendor-defined status registers over full-speed USB. Use Value: Enables Windows/macOS native "USB Device Not Recognized" recovery flow without custom drivers; meets USB-IF certification requirements. |
| Enterprise Laptop Docking Station | Industrial USB-C Expansion Chassis |
Use Scenario: Enterprise-grade docking station with Thunderbolt 3 compatibility and secure firmware signing requires tamper-resistant update capability and deep-sleep wake-on-USB-event. IC Role / Device Role / Timing Role: CY7C65219 provides RSA-2048/SHA-256 verified firmware loading and Wakeup Interrupt Controller (WIC)-driven resume from deep sleep on USB attach/detach. Use Value: Meets corporate IT security policies for signed firmware; achieves <100 ms wake latency from 30 µA deep-sleep state. | Use Scenario: Ruggedized industrial chassis with hot-pluggable USB-C modules needs reliable ESD immunity and wide-temperature operation for factory-floor deployment. IC Role / Device Role / Timing Role: CY7C65219 functions as dock supervisor with ±8-kV contact ESD on USB lines and guaranteed operation from –40 °C to +85 °C. Use Value: Removes need for external ESD protection circuitry; avoids thermal derating or derating-induced timing drift in ambient extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Dock Management Controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C65215-40LQXI | Same architecture but 64-KB flash, no crypto block, no SWD debug interface | Limited to unsigned firmware updates; unsuitable for secure enterprise docks | Select when cost sensitivity outweighs firmware security and debug requirements |
| STM32G071CBT6 | Arm Cortex-M0+ @ 64 MHz, 128-KB flash, no native USB Billboard class stack or certified TID | Requires full USB stack porting and custom descriptor implementation; no pre-certified Billboard compliance | Select only if existing STM32 toolchain investment justifies non-certified development effort |
Compared with CY7C65219-40LQXI, CY7C65215 lacks crypto and debug interfaces-reducing security and debuggability-while STM32G071 requires significant firmware development to replicate certified Billboard behavior and lacks integrated ESD protection on USB lines.
Availability
CY7C65219-40LQXI is available at Aetrix Electronics and suitable for USB-C dock firmware hubs, multi-port monitor docks, enterprise laptop docking stations, and industrial USB-C expansion chassis requiring stable component supply and long-term lifecycle support.
Supply support for CY7C65219-40LQXI 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 microcontrollers for industrial, automotive, and IoT applications.
The CY7C65219 belongs to Infineon's USB Dock Management Controller product line, engineered specifically to simplify certified USB Billboard implementation and secure firmware orchestration in USB-C docking solutions.
FAQ
Does CY7C65219-40LQXI require an external crystal for USB operation?
No. The device integrates an internal oscillator that meets USB Full-Speed timing accuracy requirements without external crystal or clock source. This eliminates BOM cost and board space for timing components while maintaining USB-IF compliance.
Can CY7C65219-40LQXI update firmware on third-party USB PD controllers?
Yes. Using its four SCBs configured as I²C or UART, CY7C65219 communicates with standard-compliant USB PD controllers (e.g., CYPD3177, FUSB302) to deliver firmware payloads and verify SHA-256 hashes-regardless of vendor, provided the target supports vendor-defined update protocols.
What debug interfaces does CY7C65219-40LQXI support?
CY7C65219 supports Serial Wire Debug (SWD) via P2.0 (SWD_0_DAT) and P2.1 (SWD_0_CLK). It includes four address comparators and two data watchpoint comparators, enabling full flash programming, breakpoint setting, and real-time register inspection using standard ARM-compatible debug tools.
Is the 40-QFN package RoHS and REACH compliant?
Yes. The CY7C65219-40LQXI 40-QFN package is fully RoHS Directive 2011/65/EU compliant and REACH SVHC-free per Infineon's published material declarations, with lead-free matte tin finish and halogen-free molding compound.
CY7C65219-40LQXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Controller
- Interface:
- I2C, SPI, UART
- Standards:
- USB 2.0
- Voltage - Supply:
- 1.71V, 3.15V, 4.5V ~ 3.45V, 5.5V
- Current - Supply:
- 25mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 40-QFN (6x6)
- Grade:
- -
- Qualification:
- -
CY7C65219-40LQXI FAQ
1.How can I place an order for CY7C65219-40LQXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C65219-40LQXI 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 CY7C65219-40LQXI reliable?
The price and inventory of CY7C65219-40LQXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C65219-40LQXI is usually 5 days.
3.What payment methods are accepted for CY7C65219-40LQXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C65219-40LQXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C65219-40LQXI?
CY7C65219-40LQXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C65219-40LQXI 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 CY7C65219-40LQXI?
For technical support, including CY7C65219-40LQXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C65219-40LQXI requirements.
6.How does Aetrix verify that CY7C65219-40LQXI is sourced from the original manufacturer or authorized distributors?
All CY7C65219-40LQXI 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 CY7C65219-40LQXI meets industry standards.
7.What is the process for return or replacement of CY7C65219-40LQXI?
All CY7C65219-40LQXI units undergo pre-shipment inspection (PSI). If there is an issue with CY7C65219-40LQXI, 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 CY7C65219-40LQXI part is unused and in its original packaging.
Return procedure for CY7C65219-40LQXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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