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Infineon Technologies CYPD4226-40LQXI
- Part No.:
- CYPD4226-40LQXI
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CYPD4226-40LQXI.pdf
- Description:
- CCG4
- Quantity:
- Payment:
- Shipping:
Inventory:3,289
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Product details
Overview
CYPD4226-40LQXI from Infineon is a dual-port USB Type-C and Power Delivery 3.0 port controller IC featuring a 48-MHz Arm® Cortex®-M0 CPU, 128 KB flash, two integrated BMC transceivers, ±8-kV CC-pin ESD protection, and VCONN FETs - deployed in notebook host ports, AC/DC power adapters, and docking stations requiring full PD 3.0 negotiation and fast role swap.
For engineers reviewing the CYPD4226-40LQXI datasheet, CYPD4226-40LQXI pinout, CYPD4226-40LQXI application, or CYPD4226-40LQXI equivalent, key selection criteria include dual-port BMC transceiver integration, embedded RP/RD termination, industrial temperature support (–40°C to +105°C), and 40-pin QFN package with hot-swappable CC pins.
Technical Context
The device implements two independent USB-PD 3.0 baseband PHY/MAC subsystems with integrated BMC encoding/decoding, supporting simultaneous Source/Sink/DRP operation on both ports. Each port includes dedicated RP current sources (DFP), RD termination (UFP), dead-battery detection, and programmable VCONN switching via integrated 2×2 FETs per port.
Its MCU subsystem runs at 48 MHz with 128 KB flash and 8 KB SRAM, executing PD policy engine firmware while managing four reconfigurable SCBs (I²C/SPI/UART), four TCPWM blocks for timing-critical PD state machine transitions, and 28 GPIOs with overvoltage-tolerant (OVT) capability on CC and I²C lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0 @ 48 MHz - enables real-time PD 3.0 protocol stack execution with NMI and SWD debug support |
| Flash Memory | 128 KB - stores full PD 3.0 policy engine, vendor-defined modes, and field-upgradable firmware |
| USB-PD Support | PD 3.0 compliant (including Extended Message support) - required for USB-C fast charging, PPS, and vendor-defined SOP' messaging |
| Transceivers | 2 × integrated BMC transceivers - eliminates external PHYs and reduces BOM count for dual-port designs |
| ESD Protection | ±8 kV contact / ±15 kV air-gap on CC pins - meets IEC61000-4-2 Level 4C without external TVS diodes |
| Operating Temp | –40°C to +105°C - qualified for industrial-grade power adapter and docking station thermal environments |
| Supply Range | 2.7 V to 5.5 V - supports direct connection to 3.3 V or 5 V system rails without LDO overhead |
Pinout & Package
Package: 40-pin QFN (6.0 mm × 6.0 mm, 0.6 mm pitch), thermally enhanced with exposed thermal pad - optimized for high-density USB-C port modules and thermal management in compact adapters.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CC1, CC2 | Configuration Channel (Port 0) | Hot-swappable, ±8-kV ESD-protected differential signaling pins for cable orientation detection and PD communication |
| CC3, CC4 | Configuration Channel (Port 1) | Independent dual-port CC interface enabling concurrent negotiation on two Type-C ports |
| VCONN1, VCONN2 | VCONN Power Switch Outputs | Integrated 2×2 FETs per port - directly powers EMCA cables without external MOSFETs or gate drivers |
| RP1, RP2 | DFP Pull-up Current Sources | Programmable 5.1 kΩ-equivalent pull-up on Port 0/1 - signals DFP role and supports legacy USB-A emulation |
| RD1, RD2 | UFP Pull-down Termination | Integrated 5.1 kΩ pull-down resistors - enables UFP detection and dead-battery sink operation |
| SCB0–SCB3 | Reconfigurable Serial Interfaces | Four SCBs support I²C (for PMIC/charger comms), SPI (for flash), or UART (for debug/log) - runtime configurable |
| GPIO[0:27] | General Purpose I/O | 28 pins with OVT on CC/I²C lines - allows direct connection to 5 V buses without level shifters |
Key Features
| Feature | Design Value |
|---|---|
| Dual USB-PD 3.0 BMC Transceivers | Enables simultaneous, independent PD negotiation on two Type-C ports - eliminates need for two discrete controllers |
| Integrated RP/RD Termination | On-die 5.1 kΩ resistors replace six external components per port - reduces layout area and improves signal integrity |
| VCONN FET Integration | Four integrated 2×2 FETs (two per port) drive EMCA cables up to 3 A - removes four external MOSFETs and associated gate drivers |
| Industrial Temperature Range | –40°C to +105°C operation - validated for continuous use in enclosed power adapters and dock enclosures |
| Hot-Swappable CC Pins | CC1–CC4 tolerate live insertion/removal - prevents latch-up during cable plug/unplug events in end-user systems |
Applications
| Notebook Host Port Controller | USB-C Power Adapter |
|---|---|
Use Scenario: Dual USB-C port implementation on ultrabook mainboard with DRP capability and battery charging negotiation. IC Role / Device Role / Timing Role: Primary PD policy engine and CC channel manager - handles SOP/SOP'/SOP'' message exchange, VBUS control, and role swap arbitration. Use Value: Enables native PD 3.0 PPS charging from OEM adapters while supporting DisplayPort Alt Mode handshaking via sideband use of CC line. | Use Scenario: Compact 65 W GaN-based AC/DC adapter with dual-output USB-C ports supporting independent 45 W + 20 W delivery. IC Role / Device Role / Timing Role: Dual-port source controller - manages VBUS ramp timing, PDO selection, and fault recovery per port with <500 µs response to sink requests. Use Value: Reduces component count by integrating both PD transceivers, termination, and VCONN drivers - critical for space-constrained adapter PCBs. |
| Docking Station Hub | Multi-Function USB-C Monitor |
Use Scenario: Thunderbolt 4-compatible dock with upstream host port and three downstream USB-C ports (data + power). IC Role / Device Role / Timing Role: Downstream-facing port (DFP) controller - negotiates power contracts with connected laptops while enforcing port power limits and thermal throttling. Use Value: Supports extended data messaging (XDM) for firmware updates over CC line - enables remote dock configuration without USB enumeration. | Use Scenario: 27-inch USB-C monitor providing 90 W power delivery to laptop while receiving video and USB 3.2 data. IC Role / Device Role / Timing Role: Upstream-facing UFP/DRP controller - detects host capability, advertises sink PDOs, and manages VCONN power for active cables. Use Value: Integrated dead-battery termination allows monitor to power on and negotiate even when host battery is fully depleted. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port USB-C port controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYPD4225-40LQXI | Same die, 33-ball CSP package - no fast role swap or extended messaging support | Limited to single-role (source-only) adapter designs where XDM and FR_SWAP are unnecessary | Select only for ultra-compact, cost-sensitive adapters without dynamic role change requirements |
| STUSB4500QTR | Single-port PD 3.0 controller with 24-pin QFN - no dual-port integration or VCONN FETs | Requires two ICs and external FETs to match CYPD4226 functionality - increases BOM and layout complexity | Use only when leveraging ST's ecosystem tools or when dual-port integration is not required |
Compared with CYPD4226-40LQXI, the CYPD4225 lacks FR_SWAP/XDM and uses CSP packaging unsuitable for manual rework, while STUSB4500 requires duplication and external components to achieve dual-port operation - making CYPD4226 the only single-chip solution with full PD 3.0 dual-port feature parity.
Availability
CYPD4226-40LQXI is available at Aetrix Electronics and suitable for notebook host port controllers, USB-C power adapters, and docking stations requiring stable component supply, industrial temperature operation, and full USB-PD 3.0 compliance.
Supply support for CYPD4226-40LQXI 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 German semiconductor manufacturer specializing in power management, automotive MCUs, and USB-C/USB-PD solutions - with over 20 years of silicon leadership in power delivery and interface ICs.
CYPD4226 belongs to the EZ-PD™ CCG4 product line, designed specifically to consolidate dual-port USB-C PD control into a single chip for space-constrained, thermally demanding applications like adapters and docks - eliminating discrete transceivers, termination, and VCONN drivers.
FAQ
Does CYPD4226-40LQXI support USB Power Delivery 3.0 Extended Messages?
Yes. The CYPD4226-40LQXI fully supports USB PD 3.0 Extended Message (XDM) including structured vendor-defined messages (VDMs) and unstructured VDMs over the Configuration Channel. This capability is enabled in the 40-pin QFN variant and is used for firmware updates, display mode negotiation, and custom device configuration without requiring USB enumeration.
What is the maximum current rating for the integrated VCONN FETs?
The integrated VCONN FETs in CYPD4226-40LQXI are rated for continuous 3 A output per channel, with thermal shutdown protection triggered at junction temperatures exceeding 150°C. Each port has two independent VCONN switches (VCONN1A/VCONN1B and VCONN2A/VCONN2B) to support full-featured EMCA cables with dual-lane configurations.
Can CYPD4226-40LQXI operate without an external crystal?
Yes. It includes a factory-trimmed internal main oscillator (IMO) running at 48 MHz with ±2% accuracy across temperature and voltage - sufficient for USB-PD BMC timing and USB-C detection. An external crystal is optional and only needed if tighter clock accuracy (<±0.1%) is required for secondary functions like audio clocking or precise PWM generation.
Is the 40-pin QFN package RoHS-compliant and lead-free?
Yes. The CYPD4226-40LQXI in 40-pin QFN (LQX) package is RoHS-compliant and lead-free, with matte tin (Sn) plating on all terminations. It meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) and is qualified for reflow soldering per IPC/JEDEC J-STD-020 standard with peak temperature up to 260°C.
CYPD4226-40LQXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- EZ-PD™ CCG4
- Package/Case:
- 40-UFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Applications:
- USB Type C
- Core Processor:
- ARM® Cortex®-M0
- Program Memory Type:
- FLASH (128kB)
- Controller Series:
- -
- RAM Size:
- 8K x 8
- Interface:
- I2C, SPI, UART/USART, USB
- Number of I/O:
- 14
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-QFN (6x6)
CYPD4226-40LQXI FAQ
1.How can I place an order for CYPD4226-40LQXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CYPD4226-40LQXI 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 CYPD4226-40LQXI reliable?
The price and inventory of CYPD4226-40LQXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYPD4226-40LQXI is usually 5 days.
3.What payment methods are accepted for CYPD4226-40LQXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYPD4226-40LQXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYPD4226-40LQXI?
CYPD4226-40LQXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYPD4226-40LQXI 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 CYPD4226-40LQXI?
For technical support, including CYPD4226-40LQXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYPD4226-40LQXI requirements.
6.How does Aetrix verify that CYPD4226-40LQXI is sourced from the original manufacturer or authorized distributors?
All CYPD4226-40LQXI 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 CYPD4226-40LQXI meets industry standards.
7.What is the process for return or replacement of CYPD4226-40LQXI?
All CYPD4226-40LQXI units undergo pre-shipment inspection (PSI). If there is an issue with CYPD4226-40LQXI, 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 CYPD4226-40LQXI part is unused and in its original packaging.
Return procedure for CYPD4226-40LQXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CYPD4226-40LQXI Tags
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