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Infineon Technologies CYPD3172P-24LQXQT
- Part No.:
- CYPD3172P-24LQXQT
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 24-UFQFN Exposed Pad
- Datasheet:
-
CYPD3172P-24LQXQT.pdf
- Description:
- EZ-PD CCG3PA-NFET
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
CYPD3172P-24LQXQT from Infineon (formerly Cypress) is a USB Type-C® port controller IC with integrated VBUS NFET gate driver, compliant with USB PD 3.0 and Quick Charge 4.0. It integrates 24-V-tolerant regulator, VBUS-to-CC short protection, CC/CV feedback loop, and 64KB flash for firmware updates. Designed for AC-DC power adapters with opto-coupler feedback architecture.
For engineers reviewing the CYPD3172P-24LQXQT datasheet, CYPD3172P-24LQXQT pinout, CYPD3172P-24LQXQT application, or CYPD3172P-24LQXQT equivalent, key selection criteria include PD 3.0 + PPS support, integrated high-voltage gate driver, pre-programmed firmware option, and QFN-24 package compatibility with opto-coupler-based adapter designs.
Technical Context
The device embeds an Arm® Cortex®-M0 core running a certified USB-PD stack, enabling full PD 3.0 negotiation including Programmable Power Supply (PPS) and legacy charging protocols (BC1.2, AFC, Apple). Its independent CC-CV control loop supports precise voltage/current regulation in AC-DC adapters.
It integrates termination resistors (RP/RD), ESD protection, and a 24-V-tolerant regulator to simplify BOM. The VBUS NFET gate driver supports direct drive of external high-side load switches without level-shifting circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Standard | Compliant with USB Type-C Rev 1.4 and USB PD 3.0 including PPS |
| Core Processor | Arm Cortex-M0 with 64KB flash and certified USB-PD protocol stack |
| VBUS Gate Driver | Integrated high-voltage NFET gate driver supporting ≥24V VBUS control |
| Regulator | 24-V-tolerant internal regulator for auxiliary power domain |
| Protection Features | VBUS-to-CC short protection, OVP/OCP/OTP with configurable thresholds |
| Package | 24-pin QFN (4×4 mm, 0.5 mm pitch), RoHS-compliant |
Pinout & Package
24-pin QFN package (4×4 mm, 0.5 mm pitch) with exposed thermal pad. Pinout validated per Cypress CCG3PA-NFET datasheet (DS000030450, Rev.*).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O supply rail | 3.3V supply for digital interface and CC logic |
| VDDA | Analog supply rail | 3.3V supply for ADC, comparators, and feedback circuitry |
| CC1 / CC2 | USB Type-C configuration channel | Dual-role detection, PD communication, and cable orientation sensing |
| DRV_H / DRV_L | VBUS NFET gate driver outputs | High- and low-side drive signals for external high-voltage NFET switch |
| FB | Voltage feedback input | Connects to opto-coupler feedback network for isolated VBUS regulation |
| CS | Current sense input | Analog input for overcurrent detection via external sense resistor |
| EN | Enable control | Active-high signal to enable/disable VBUS output and PD negotiation |
Key Features
| Feature | Design Value |
|---|---|
| Pre-programmed firmware option | Reduces time-to-market by eliminating custom firmware development for standard adapter topologies |
| Integrated CC/CV feedback loop | Enables closed-loop regulation without external op-amps or compensators in opto-coupler-based designs |
| VBUS-to-CC short protection | Hardware-level fault detection prevents damage during accidental shorts between VBUS and CC lines |
| Legacy charging support | Native implementation of BC1.2, Samsung AFC, and Apple 2.4A charging without external ICs |
| Field-upgradable firmware | Supports secure, over-the-wire firmware updates via USB PD vendor-defined messages |
Applications
| AC-DC Power Adapter (Opto-Coupler) | USB-C Wall Charger |
|---|---|
Use Scenario: 45W–65W universal AC-DC adapter using opto-coupler feedback for isolation. IC Role / Device Role / Timing Role: Primary-side USB PD controller managing VBUS negotiation, CC communication, and isolated voltage regulation via FB pin. Use Value: Eliminates discrete termination resistors, gate driver, and regulator - reducing BOM count by ≥7 components. | Use Scenario: Compact wall-mounted USB-C charger supporting PPS and QC4.0 for smartphones. IC Role / Device Role / Timing Role: Dual-role port controller handling sink/source negotiation, legacy charging handshaking, and real-time current/voltage loop control. Use Value: Enables single-chip compliance with USB PD 3.0, PPS, and multiple proprietary fast-charge protocols. |
| Programmable Mobile Charger Reference Design | Multi-Port USB-C Adapter |
Use Scenario: Customer-customizable mobile charger platform with field-upgradable firmware. IC Role / Device Role / Timing Role: Firmware-programmable PD controller hosting user-defined policy engine and protocol extensions. Use Value: Allows OEMs to differentiate products via custom charging profiles and vendor-specific PD extensions. | Use Scenario: Dual-port 60W adapter where one port operates as source and the other as sink or data-only. IC Role / Device Role / Timing Role: Coordinated port manager implementing port role swapping, power sharing, and shared VBUS sequencing. Use Value: Supports dynamic power allocation between ports while maintaining USB PD 3.0 compliance on both channels. |
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 |
|---|---|---|---|
| CYPD3172-24LQXQ | Same silicon, factory-programmed with fixed firmware for opto-coupler feedback topology | No field firmware update capability; limited to predefined charging profiles | Select when firmware customization is unnecessary and cost sensitivity is high |
| CYPD3173P-24LQXQ | Same package and core, but supports direct feedback (no opto-coupler) via integrated error amplifier | Targeted at flyback converters with primary-side regulation; lacks FB pin for opto-coupler interface | Select for simplified secondary-side feedback architectures requiring no opto-isolator |
Compared with CYPD3172-24LQXQ, the -P variant adds field-upgradeable firmware and flexible policy engine; compared with CYPD3173P-24LQXQ, it retains the FB pin and opto-coupler interface essential for isolated AC-DC adapter designs.
Availability
CYPD3172P-24LQXQT is available at Aetrix Electronics and suitable for USB-C power adapters, wall chargers, and programmable mobile charging systems requiring stable component supply, long-term lifecycle support, and pre-certified PD 3.0 firmware.
Supply support for CYPD3172P-24LQXQT 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 acquired Cypress Semiconductor in 2020 and now develops and manufactures its USB-C controller portfolio, including the EZ-PD™ family.
The CCG3PA-NFET product line targets compact, high-efficiency AC-DC power adapters requiring integrated PD 3.0, PPS, and legacy charging support with minimal external components.
FAQ
Is CYPD3172P-24LQXQT pin-compatible with CYPD3172-24LQXQ?
Yes - both share identical 24-pin QFN packaging and pinout. The only functional difference is firmware: the -P version supports field upgrades via USB PD vendor-defined messages, while the non-P version uses fixed factory programming. No hardware redesign is needed for migration.
Does this IC require an external crystal or oscillator?
No - CYPD3172P-24LQXQT uses an internal precision RC oscillator for USB PD timing and CC communication. An external crystal is not required, reducing BOM cost and board space. Internal oscillator accuracy meets USB PD specification requirements for BMC decoding.
What feedback architecture does CYPD3172P-24LQXQT support?
It supports opto-coupler-based isolated feedback via the dedicated FB pin, enabling direct connection to the secondary-side TL431/shunt regulator and opto-isolator LED. This architecture is optimized for traditional AC-DC flyback adapters with galvanic isolation.
Can CYPD3172P-24LQXQT implement simultaneous dual-port PD negotiation?
No - it is a single-port controller. For multi-port designs, multiple CYPD3172P-24LQXQT units are used with coordinated firmware, or a higher-integration solution like CCG6 must be selected. Each IC manages one Type-C port independently.
CYPD3172P-24LQXQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- EZ-PD™
- Package/Case:
- 24-UFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Applications:
- Power Adaptor
- Core Processor:
- ARM® Cortex®-M0
- Program Memory Type:
- FLASH (64kB)
- Controller Series:
- CYPD3x
- RAM Size:
- 4K x 8
- Interface:
- PWM
- Number of I/O:
- 6
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-QFN (4x4)
CYPD3172P-24LQXQT FAQ
1.How can I place an order for CYPD3172P-24LQXQT through Aetrix?
Please submit a Request for Quotation (RFQ) for CYPD3172P-24LQXQT 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 CYPD3172P-24LQXQT reliable?
The price and inventory of CYPD3172P-24LQXQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYPD3172P-24LQXQT is usually 5 days.
3.What payment methods are accepted for CYPD3172P-24LQXQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYPD3172P-24LQXQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYPD3172P-24LQXQT?
CYPD3172P-24LQXQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYPD3172P-24LQXQT 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 CYPD3172P-24LQXQT?
For technical support, including CYPD3172P-24LQXQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYPD3172P-24LQXQT requirements.
6.How does Aetrix verify that CYPD3172P-24LQXQT is sourced from the original manufacturer or authorized distributors?
All CYPD3172P-24LQXQT 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 CYPD3172P-24LQXQT meets industry standards.
7.What is the process for return or replacement of CYPD3172P-24LQXQT?
All CYPD3172P-24LQXQT units undergo pre-shipment inspection (PSI). If there is an issue with CYPD3172P-24LQXQT, 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 CYPD3172P-24LQXQT part is unused and in its original packaging.
Return procedure for CYPD3172P-24LQXQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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