Infineon Technologies CYPD3135-32LQXQT
- Part No.:
- CYPD3135-32LQXQT
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 32-UFQFN Exposed Pad
- Datasheet:
-
CYPD3135-32LQXQT.pdf
- Description:
- CCG3
- Quantity:
- Payment:

- Shipping:

Inventory:3,437
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Product details
Overview
CYPD3135-32LQXQT from Infineon Technologies (formerly Cypress) is a USB Type-C and Power Delivery 3.0 port controller IC with integrated ARM® Cortex®-M0 processor (48 MHz), 128-KB flash, 8-KB SRAM, dual VBUS gate drivers, hardware crypto engine, and ±8-kV IEC61000-4-2 ESD protection on CC/SBU/DP/DM/VBUS pins. It supports one USB Type-C port in notebook, dock, monitor, and adapter applications.
For engineers reviewing the CYPD3135-32LQXQT datasheet, CYPD3135-32LQXQT pinout, CYPD3135-32LQXQT application, or CYPD3135-32LQXQT equivalent, key selection criteria include USB-PD 3.0 BMC transceiver compliance, VCONN FET integration, dead-battery detection, hardware-based OCP/OVP, and support for fast role swap and extended messaging over CC lines.
Technical Context
The CYPD3135-32LQXQT implements a full USB-PD 3.0 subsystem with integrated BMC PHY, Fast Role Swap (FRS) transmit/detect, and programmable RA/RP/RD terminations for UFP/DFP/EMCA roles. Its analog crossbar enables dynamic SBU/AUX routing for DisplayPort Alt Mode.
It integrates two independent 20-V-tolerant gate drivers for external VBUS_P and VBUS_C FETs, configurable for N- or P-channel devices, plus a dedicated 20-V LDO (VBUS_C regulator), current sense amplifier, and VBUS discharge switch - all coordinated via hardware-triggered interrupts for autonomous overvoltage/overcurrent shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0 @ 48 MHz - enables deterministic USB-PD protocol timing and firmware upgradability within tight power budgets. |
| Flash / SRAM | 128 KB flash / 8 KB SRAM - sufficient for full USB-PD 3.0 stack, Billboard device class, and custom application logic. |
| USB-PD Compliance | USB PD 3.0 + BMC transceiver + FRS - supports bidirectional power negotiation and instant role reversal without host intervention. |
| VCONN Supply | Integrated dual 5-V VCONN FETs - powers active cables directly from V5V rail, eliminating need for external switching circuitry. |
| ESD Protection | ±8 kV contact / ±15 kV air-gap on CC1/CC2/SBU1/SBU2/DP/DM/VBUS - meets IEC61000-4-2 Level 4C for robust system-level surge immunity. |
| Operating Voltage | 2.7 V to 21.5 V input range - accommodates wide-input DC-DC supplies common in adapters and docks without external regulators. |
| Temperature Range | –40 °C to +105 °C - qualified for industrial and mobile computing environments including thermal-constrained notebooks and docking stations. |
Pinout & Package
Package: 32-pin QFN (5 mm × 5 mm, 0.5 mm pitch), thermally enhanced with exposed pad for improved power dissipation in high-duty-cycle PD negotiation scenarios.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CC1 / CC2 | USB Type-C Configuration Channel | Dual bidirectional BMC data lanes with integrated termination resistors (RA/RP/RD) and ESD protection - enable plug orientation detection and PD communication. |
| VBUS_C | VBUS Monitoring & Regulation Input | 20-V-tolerant input for VBUS sensing and regulation via internal LDO - feeds OVP/UV detection and CSA for autonomous fault response. |
| VBUS_P_CTRL | External VBUS_P FET Gate Driver Output | High-side/N-side configurable driver output - directly controls external pFET/nFET for VBUS power path switching with programmable slew rate. |
| VCONN1 / VCONN2 | VCONN Power Switch Outputs | Integrated 5-V FET outputs - supply regulated VCONN to active cables via CC1/CC2, with programmable leakers for safe disconnect discharge. |
| SBU1 / SBU2 | Sideband Use Signals | Analog crossbar-routed pins - dynamically assigned to AUX_P/AUX_N for DisplayPort Alt Mode signaling under firmware control. |
| DP / DM | USB 2.0 Differential Data Pair | Full-speed USB 2.0 PHY with integrated 5.0 V → 3.3 V regulator - supports Billboard device class enumeration without external level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Crypto Engine | AES/SHA-1/SHA-2/CRC acceleration - enables secure firmware authentication and trusted field updates without CPU overhead. |
| Integrated Billboard Device | Full-speed USB 2.0 device controller preconfigured as USB Billboard Class - reports USB Type-C error states (e.g., "Invalid Cable") to host OS without custom driver development. |
| Dual Independent Gate Drivers | Separate VBUS_P and VBUS_C drivers - allow independent control of source/sink power paths and support asymmetric topologies (e.g., sink-only with VBUS_C only). |
| Dead-Battery Detection | VBUS-powered wake-up capability - enables port initialization even when system main rail is unpowered, critical for accessory charging from dead hosts. |
| Programmable Pull Resistors | On-chip RA/RP/RD with runtime reconfiguration - eliminates external resistor networks and supports dynamic role changes (e.g., DFP ↔ UFP) via firmware. |
Applications
| USB-C Docking Station | Notebook USB-C Port Controller |
|---|---|
Use Scenario: A compact desktop dock providing video (DisplayPort Alt Mode), USB 3.x data, and up to 100 W power delivery to connected laptop. IC Role / Device Role / Timing Role: Central USB-PD 3.0 policy engine managing CC negotiation, VBUS switching, VCONN cable power, and HPD coordination for DP hot-plug detection. Use Value: Enables single-cable docking with guaranteed PD 3.0 compliance, hardware-accelerated FRS for seamless host/guest role reversal, and integrated ESD protection reducing board-level TVS count by 5+ components. | Use Scenario: Embedded USB-C port controller in ultrabook motherboard handling charge-through, display output, and peripheral attachment. IC Role / Device Role / Timing Role: System-level Type-C manager performing dead-battery wake-up, BC1.2 charger detection, and Billboard reporting during boot before OS loads. Use Value: Eliminates need for discrete VBUS switches, CC terminations, and USB Billboard IC - reduces BOM cost by $0.35–$0.60 and saves 12 mm² PCB area. |
| Monitor with USB-C Uplink | Universal AC Adapter with Programmable PD |
Use Scenario: 4K monitor accepting video + power via single USB-C uplink while providing downstream USB-A ports and headphone jack. IC Role / Device Role / Timing Role: Dual-role port controller negotiating as UFP for power input and DFP for downstream data, with analog crossbar routing SBU to AUX for DP Alt Mode. Use Value: Supports simultaneous power receipt and data/video transmission using one physical port - removes requirement for separate power adapter and HDMI/USB cables. | Use Scenario: Multi-voltage AC adapter supporting 5 V/9 V/15 V/20 V profiles with variable current limits per PDO, targeting laptops and tablets. IC Role / Device Role / Timing Role: Standalone PD policy manager implementing full PD 3.0 contract negotiation, programmable OCP/OVP thresholds, and VBUS discharge sequencing. Use Value: Achieves <100 ms VBUS ramp time and <500 µs fault shutdown latency - meets USB-IF compliance test requirements for adapter certification without external supervisors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB Type-C port controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STUSB4500QTR | ARM Cortex-M0 core, 64 KB flash, no integrated VCONN FETs or hardware crypto block; requires external VCONN switch and software-based authentication. | Limited to simpler sink-only or source-only implementations; lacks DisplayPort Alt Mode support and FRS capability. | Select when cost sensitivity outweighs need for VCONN integration, secure firmware updates, or DP sideband routing. |
| TUSB8041A | Dedicated USB 3.1 Gen 1 hub controller with embedded PD 2.0 controller; no MCU subsystem or flash - firmware not user-modifiable. | Fixed-function hub + PD solution; cannot implement custom Billboard messages or proprietary PD extensions. | Select for plug-and-play USB-C hubs requiring minimal firmware customization and guaranteed USB-IF certification out-of-box. |
Compared with STUSB4500QTR and TUSB8041A, CYPD3135-32LQXQT provides full firmware programmability, integrated VCONN power, hardware crypto for secure updates, and analog crossbar flexibility for DisplayPort - making it optimal for differentiated, field-upgradable USB-C endpoints where design control and feature richness are prioritized over lowest bill-of-materials cost.
Availability
CYPD3135-32LQXQT is available at Aetrix Electronics and suitable for USB-C docking stations, notebook embedded port controllers, monitor uplink interfaces, and universal AC adapters requiring stable component supply and long-term industrial lifecycle support.
Supply support for CYPD3135-32LQXQT 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 management, sensor, and connectivity solutions for automotive, industrial, and consumer markets.
CYPD3135-32LQXQT belongs to the EZ-PD™ CCG3 product line, designed specifically to deliver fully integrated, standards-compliant USB Type-C and Power Delivery port control for space-constrained, thermally demanding endpoints such as thin notebooks, compact docks, and intelligent power adapters.
FAQ
Does CYPD3135-32LQXQT support USB Power Delivery 3.0 Extended Messages?
Yes. The integrated USB-PD subsystem includes hardware support for Extended Message transmission and reception, enabling vendor-defined messages (VDMs), structured VDMs (SVDMs), and alternate mode discovery - essential for DisplayPort Alt Mode handshake and custom device enumeration.
Can CYPD3135-32LQXQT operate without an external crystal?
Yes. It features an integrated IMO (Internal Main Oscillator) that delivers stable 48 MHz operation without external clock components - eliminating BOM cost and board space for crystals or oscillators while meeting USB full-speed timing requirements.
What GPIO voltage levels does CYPD3135-32LQXQT support for interfacing with legacy peripherals?
CYPD3135-32LQXQT provides independent VDDIO supply pins allowing GPIOs to operate at 1.71 V to 5.5 V logic levels - enabling direct interface with 1.8 V, 3.3 V, or 5 V peripherals without level shifters, critical for mixed-voltage system designs.
Is hardware-based overcurrent protection implemented entirely within the IC?
Yes. The integrated current sense amplifier (CSA) monitors voltage across an external shunt resistor and triggers autonomous gate driver shutdown within <500 µs upon exceeding programmable thresholds - no firmware intervention required, ensuring compliance with USB-IF fault response timing mandates.
CYPD3135-32LQXQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 32-UFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Controller
- Interface:
- I2C, SPI, UART, USB
- Standards:
- USB 3.0
- Voltage - Supply:
- 2.7V ~ 21.5V
- Current - Supply:
- 25mA
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Supplier Device Package:
- 32-QFN (5x5)
- Grade:
- -
- Qualification:
- -
CYPD3135-32LQXQT FAQ
1.How can I place an order for CYPD3135-32LQXQT through Aetrix?
Please submit a Request for Quotation (RFQ) for CYPD3135-32LQXQT 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 CYPD3135-32LQXQT reliable?
The price and inventory of CYPD3135-32LQXQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYPD3135-32LQXQT is usually 5 days.
3.What payment methods are accepted for CYPD3135-32LQXQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYPD3135-32LQXQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYPD3135-32LQXQT?
CYPD3135-32LQXQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYPD3135-32LQXQT 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 CYPD3135-32LQXQT?
For technical support, including CYPD3135-32LQXQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYPD3135-32LQXQT requirements.
6.How does Aetrix verify that CYPD3135-32LQXQT is sourced from the original manufacturer or authorized distributors?
All CYPD3135-32LQXQT 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 CYPD3135-32LQXQT meets industry standards.
7.What is the process for return or replacement of CYPD3135-32LQXQT?
All CYPD3135-32LQXQT units undergo pre-shipment inspection (PSI). If there is an issue with CYPD3135-32LQXQT, 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 CYPD3135-32LQXQT part is unused and in its original packaging.
Return procedure for CYPD3135-32LQXQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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