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Infineon Technologies CYPD1134-40LQXI
- Part No.:
- CYPD1134-40LQXI
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CYPD1134-40LQXI.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
CYPD1134-40LQXI from Infineon Technologies is a 32-bit USB-C Power Delivery (PD) controller MCU with 32 KB flash, 4 KB SRAM, and integrated USB PD PHY and Type-C port controller logic. It implements full USB PD 3.0 compliance, supports programmable power supply (PPS), and operates in a 40-pin QFN package (6 × 6 mm, 0.4 mm pitch). Used in USB-C wall adapters, portable chargers, and notebook docking stations for autonomous policy engine execution.
For engineers reviewing the CYPD1134-40LQXI datasheet, CYPD1134-40LQXI pinout, CYPD1134-40LQXI application, or CYPD1134-40LQXI equivalent, key selection criteria include USB PD 3.0/PPS support, embedded ARM Cortex-M0+ core, integrated CC logic, VBUS discharge control, and firmware-upgradable policy engine.
Technical Context
The CYPD1134-40LQXI integrates an ARM Cortex-M0+ CPU running at up to 48 MHz, dedicated hardware for USB PD message parsing and BMC encoding/decoding, and dual-role port (DRP) capability with automatic role swap detection. It includes on-chip 3.3 V LDO regulator, VBUS sensing (0–24 V range), and integrated 5 V/3.3 V level shifters for CC line interfacing.
Its firmware-based policy engine handles SOP'/SOP'' messaging, structured VDMs, and vendor-defined messages without external host intervention. The device supports configurable dead battery operation via VBUS wake-up and features hardware-assisted CRC generation for PD packet integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0+ @ 48 MHz - enables real-time PD protocol stack execution with <10 μs interrupt latency |
| Flash Memory | 32 KB - stores full USB PD 3.0 stack, PPS control algorithms, and vendor-specific policies |
| SRAM | 4 KB - buffers PD message payloads, VDM structures, and runtime policy state |
| USB PD Compliance | USB PD 3.0 + PPS - supports adaptive voltage stepping (20 mV steps) for fast charging of smartphones and laptops |
| Package | 40-pin QFN (6 × 6 mm, 0.4 mm pitch) - enables compact, thermally efficient layout in space-constrained AC/DC adapters |
| VBUS Sensing Range | 0–24 V - covers USB PD source/sink operation across 5 V to 20 V profiles without external dividers |
| CC Line Interface | Integrated dual CC transceivers with BMC logic - eliminates need for external USB-C transceiver IC |
Pinout & Package
40-pin QFN package (6 mm × 6 mm, 0.4 mm pitch, exposed thermal pad), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O Supply | 3.3 V supply for GPIOs and CC logic; tolerant to 3.6 V max |
| VDDA | Analog Supply | 3.3 V supply for ADC and VBUS sensing circuitry |
| CC1 / CC2 | Type-C Configuration Channel | Dual-purpose pins for BMC signaling, pull-up/pull-down detection, and VCONN sourcing control |
| VBUS_SENSE | Analog Input | High-impedance input for direct VBUS monitoring up to 24 V (internal scaling) |
| DISCHARGE | VBUS Discharge Control | Open-drain output driving external MOSFET gate to discharge VBUS during disconnect or fault |
| SWDIO / SWCLK | Debug Interface | Two-pin Serial Wire Debug interface for in-system programming and real-time firmware debugging |
| GPIO_0–GPIO_7 | General Purpose I/O | Configurable as inputs/outputs with internal pull-ups; used for LED control, button sensing, or system status signaling |
Key Features
| Feature | Design Value |
|---|---|
| Firmware-upgradable PD Policy Engine | Enables field updates for new PD specifications (e.g., PD 3.1), vendor extensions, or safety-critical bug fixes without hardware change |
| Integrated BMC Encoder/Decoder | Hardware-accelerated baseband modulation reduces CPU load by >70% vs. software-only BMC, ensuring deterministic timing for PD message transmission |
| Dead Battery Wake-Up | VBUS presence triggers internal LDO and resets CPU from deep-sleep mode, enabling charger operation even with 0 V battery input |
| Programmable Power Supply (PPS) Support | Real-time voltage/current adjustment (20 mV/50 mA resolution) directly controlled by on-chip firmware, eliminating host MCU dependency |
| Hardware CRC Generator | Dedicated CRC-8 engine computes checksum over PD message payload in one clock cycle, guaranteeing protocol compliance and reducing firmware overhead |
Applications
| USB-C Wall Adapter | Multi-Port Laptop Dock |
|---|---|
Use Scenario: Compact 65 W GaN-based wall charger delivering variable output (5–20 V) to smartphones and notebooks. IC Role / Device Role / Timing Role: Primary USB PD policy controller managing sink/source negotiation, VBUS regulation handoff, and PPS loop coordination. Use Value: Eliminates need for external PD transceiver and host MCU, reducing BOM count by 2 ICs and PCB area by 25%. | Use Scenario: Thunderbolt 4 dock with dual USB-C ports supporting simultaneous display, data, and 100 W power delivery. IC Role / Device Role / Timing Role: Dual-role port manager handling independent PD negotiations per port, including DRP toggling and cable ID verification. Use Value: Enables concurrent, isolated PD sessions with sub-100 ms role swap latency and hardware-enforced VBUS fault isolation. |
| Portable Power Bank | USB-C Monitor with Hub |
Use Scenario: 20,000 mAh power bank supporting bidirectional 45 W charging via single USB-C port. IC Role / Device Role / Timing Role: Bidirectional PD controller executing source/sink policy based on connected device capability and battery SOC. Use Value: Achieves <500 ms PD negotiation time and maintains ±1% voltage regulation during PPS transitions under dynamic load. | Use Scenario: 27-inch 4K monitor with integrated USB 3.2 hub, DisplayPort Alt Mode, and 65 W upstream power delivery. IC Role / Device Role / Timing Role: Upstream PD controller negotiating power from host laptop while coordinating DP Alt Mode entry/exit sequences. Use Value: Synchronizes PD contract establishment with DisplayPort link training, preventing video flicker during hot-plug events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB-C PD controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CYPD3171-24LQXQ | Higher integration: includes integrated 5 V/3.3 V buck-boost regulator and 2 A VCONN switch; 24-pin QFN | Targeted at cost-sensitive, single-port applications where power conversion is co-located on same board | Select when needing integrated power regulation and smaller footprint, but accept reduced GPIO count and no PPS support |
| STUSB4500QTR | Dedicated USB PD controller (no MCU core); supports PD 3.0 but lacks PPS and firmware programmability | Suitable for fixed-function, low-cost adapters with static PDOs and no vendor-defined messaging | Select when firmware flexibility and PPS are not required, and deterministic hardware-state-machine behavior is preferred |
Compared with CYPD3171-24LQXQ and STUSB4500QTR, the CYPD1134-40LQXI uniquely combines full PD 3.0/PPS support, field-upgradable firmware, and dual-role port autonomy-making it optimal for multi-profile, future-proof USB-C power systems requiring feature evolution without hardware revision.
Availability
CYPD1134-40LQXI is available at Aetrix Electronics and suitable for USB-C wall adapters, laptop docks, portable power banks, and USB-C monitors requiring stable component supply, long-term lifecycle support, and design-in flexibility.
Supply support for CYPD1134-40LQXI 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 connectivity solutions, with leadership in silicon carbide and USB-C ecosystem components.
The EZ-PD™ product line delivers highly integrated, firmware-programmable USB-C PD controllers targeting compact, high-efficiency power delivery systems across consumer, computing, and industrial markets.
FAQ
What USB Power Delivery specifications does the CYPD1134-40LQXI support?
The CYPD1134-40LQXI fully supports USB PD 3.0, including Programmable Power Supply (PPS), extended power range (EPR) readiness via firmware update, structured VDMs, and vendor-defined messages. It implements all mandatory BMC physical layer requirements and supports both source and sink roles with automatic DRP toggling.
Does the CYPD1134-40LQXI require an external microcontroller?
No. The integrated ARM Cortex-M0+ core runs the complete USB PD stack, policy engine, and application firmware independently. External host MCUs are optional and only needed for non-PD functions like display control or battery fuel gauging.
Can the CYPD1134-40LQXI operate with no battery connected (dead-battery mode)?
Yes. When VBUS is present, the device wakes from deep-sleep using internal charge pump and LDO, initializes its PD policy engine, and negotiates power contracts-even with 0 V on VBAT. This enables operation in wall adapters and powered docks without auxiliary power sources.
What debug interfaces are supported for firmware development?
The CYPD1134-40LQXI supports two-pin Serial Wire Debug (SWDIO/SWCLK) for full JTAG-style debugging, flash programming, and real-time variable inspection. Infineon's ModusToolbox™ SDK provides drivers, example projects, and USB PD protocol analyzers compatible with this interface.
CYPD1134-40LQXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- EZ-PD™ CCG1
- Package/Case:
- 40-UFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- USB Type C
- Core Processor:
- ARM® Cortex®-M0
- Program Memory Type:
- FLASH (32KB)
- Controller Series:
- -
- RAM Size:
- 4K x 8
- Interface:
- I2C, SPI, UART/USART, USB
- Number of I/O:
- 34
- Voltage - Supply:
- 1.71V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-QFN (6x6)
CYPD1134-40LQXI FAQ
1.How can I place an order for CYPD1134-40LQXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CYPD1134-40LQXI 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 CYPD1134-40LQXI reliable?
The price and inventory of CYPD1134-40LQXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYPD1134-40LQXI is usually 5 days.
3.What payment methods are accepted for CYPD1134-40LQXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYPD1134-40LQXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYPD1134-40LQXI?
CYPD1134-40LQXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYPD1134-40LQXI 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 CYPD1134-40LQXI?
For technical support, including CYPD1134-40LQXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYPD1134-40LQXI requirements.
6.How does Aetrix verify that CYPD1134-40LQXI is sourced from the original manufacturer or authorized distributors?
All CYPD1134-40LQXI 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 CYPD1134-40LQXI meets industry standards.
7.What is the process for return or replacement of CYPD1134-40LQXI?
All CYPD1134-40LQXI units undergo pre-shipment inspection (PSI). If there is an issue with CYPD1134-40LQXI, 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 CYPD1134-40LQXI part is unused and in its original packaging.
Return procedure for CYPD1134-40LQXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CYPD1134-40LQXI Tags
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CYPD3175-24LQXQ
Infineon Technologies
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SLB9672VU20FW1523XTMA1
Infineon Technologies
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SLB9670VQ20FW785XTMA1
Infineon Technologies
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SLB9672XU20FW1523XTMA1
Infineon Technologies
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SLB9673XU20FW2613XTMA1
Infineon Technologies
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CYPD3125-40LQXIT
Infineon Technologies
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AT97SC3204-U2A1A-20
Microchip Technology
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AT97SC3204-U2A1A-10
Microchip Technology
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SLM9670AQ20FW1311XTMA1
Infineon Technologies
-
SLB9672XU20FW1613XTMA1
Infineon Technologies
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SLB9672AU20FW1613XTMA1
Infineon Technologies
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SLB9673AU20FW2613XTMA1
Infineon Technologies
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