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Infineon Technologies CY88155PFT-G-112-JN-EFE1
- Part No.:
- CY88155PFT-G-112-JN-EFE1
- Manufacturer:
- Infineon Technologies
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
CY88155PFT-G-112-JN-EFE1.pdf
- Description:
- IC FANOUT BUFFER 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,347
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Product details
Overview
CY88155PFT-G-112-JN-EFE1 from Infineon is an automotive Ethernet PHY transceiver compliant with IEEE 802.3bw (100BASE-T1) and ISO 20092-2, supporting 100 Mbps over single twisted-pair cable with integrated echo cancellation, adaptive equalization, and MDI/MDIX auto-sensing. It operates from a 3.3 V supply, features -40 °C to +125 °C ambient temperature range, and supports wake-on-LAN via the MDIO interface in vehicle networking applications.
For engineers reviewing the CY88155PFT-G-112-JN-EFE1 datasheet, CY88155PFT-G-112-JN-EFE1 pinout, CY88155PFT-G-112-JN-EFE1 application, or CY88155PFT-G-112-JN-EFE1 equivalent, key selection criteria include 100BASE-T1 compliance, automotive AEC-Q100 Grade 1 qualification, integrated diagnostics (link status, cable fault detection), and support for IEEE 1722.1 AVB discovery protocols in ADAS and infotainment domain controllers.
Technical Context
This PHY implements full-duplex baseband signaling using PAM-3 modulation and digital signal processing for adaptive echo and crosstalk cancellation. It includes a fully integrated 100BASE-T1 MAC-PHY interface with MII/RMII support and configurable MDIO register access for link configuration and real-time diagnostics.
The device integrates a low-jitter PLL for clock recovery from the incoming data stream and provides a 25 MHz reference clock output for system synchronization. Its analog front-end includes programmable line driver output swing (±1.5 V to ±2.2 V) and receiver sensitivity down to –45 dBm for robust operation on noisy automotive harnesses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 100 Mbps full-duplex - enables real-time camera video streaming and sensor fusion in ADAS ECUs. |
| Standard Compliance | IEEE 802.3bw & ISO 20092-2 - ensures interoperability with automotive Ethernet switches and gateways. |
| Operating Temp | –40 °C to +125 °C - qualified for under-hood and zone-controller mounting locations. |
| Supply Voltage | 3.3 V ±10% - compatible with standard automotive LDO rails and reduces need for additional voltage regulation. |
| AEC-Q100 Grade | Grade 1 - validated for continuous operation at 125 °C junction temperature per automotive reliability requirements. |
| Interface | MII/RMII + MDIO - allows direct connection to ARM-based SoCs without external glue logic or SerDes bridging. |
| Diagnostic Coverage | Link status, cable fault detection, BER monitoring - supports ASIL-B functional safety diagnostics per ISO 26262. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad for automotive ECU PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TXP/TXN | Differential transmit output | Drives 100BASE-T1 signal onto single twisted pair with programmable amplitude and slew rate control. |
| RXP/RXN | Differential receive input | Receives attenuated, distorted signal; internal adaptive equalizer compensates for channel loss up to 40 dB. |
| REFCLK | 25 MHz reference clock output | Provides synchronous timing source for connected MAC or FPGA, eliminating need for external oscillator. |
| MDIO/MDC | Management data I/O clock | Enables runtime configuration of PHY registers including loopback modes, power states, and diagnostic thresholds. |
| WAKE_N | Wake-on-LAN input | Edge-triggered interrupt pin allowing low-power sleep mode entry and selective wake-up via network activity. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated echo cancellation | Enables full-duplex operation on single pair by suppressing >55 dB of self-interference in real time. |
| Automotive diagnostics engine | Reports cable length, open/short faults, and link quality metrics via MDIO without host CPU intervention. |
| Low-power sleep mode | Consumes <150 µA in deep sleep while retaining MDIO accessibility and wake capability. |
| EMI-optimized driver | Meets CISPR 25 Class 5 radiated emissions limits without external ferrites or shielding in typical ECU layouts. |
Applications
| ADAS Camera Link | Infotainment Head Unit |
|---|---|
Use Scenario: Transmitting raw 1.2 MP image data from front-facing stereo camera to domain controller over 15 m harness. IC Role / Device Role / Timing Role: Physical layer transceiver providing deterministic 100BASE-T1 link with <1 µs jitter for pixel-accurate timestamping. Use Value: Eliminates need for LVDS serializer/deserializer and reduces connector count by 50% versus traditional FPD-Link III. | Use Scenario: Connecting rear-seat display to central infotainment unit for video/audio streaming and touch feedback. IC Role / Device Role / Timing Role: Bidirectional PHY enabling simultaneous H.264 video playback and capacitive touch command transmission. Use Value: Supports seamless display mirroring with <10 ms end-to-end latency and built-in cable fault reporting for service diagnostics. |
| Zone Controller Backhaul | Vehicle Gateway Interface |
Use Scenario: Aggregating sensor data (radar, ultrasonic) from multiple zones into centralized compute module via daisy-chained 100BASE-T1 links. IC Role / Device Role / Timing Role: Automotive Ethernet node with integrated diagnostics and wake-on-event capability for always-on monitoring. Use Value: Enables power-gated zone ECUs to wake only on relevant CAN/Ethernet triggers, reducing standby current by >80%. | Use Scenario: Bridging CAN FD backbone to Ethernet backbone in gateway ECU for OTA update distribution and cloud telemetry. IC Role / Device Role / Timing Role: High-integrity PHY with ASIL-B diagnostic coverage supporting secure firmware download over TLS-encrypted Ethernet sessions. Use Value: Provides hardware-level link integrity monitoring to detect physical-layer tampering during OTA updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive 100BASE-T1 PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Marvell 88Q1010 | Supports IEEE 1722.1 AVB but lacks integrated wake-on-LAN pin; requires external GPIO routing for wake event handling. | Preferred in legacy designs where MDIO-based wake is acceptable and board space permits discrete wake logic. | Select when leveraging existing Marvell SDK stack and prioritizing AVB feature depth over power-state simplicity. |
| NXP TJA1102 | Includes integrated 5 V DC-DC regulator and LIN transceiver; larger package (72-pin HTQFP) and higher quiescent current (2.1 mA vs 1.3 mA). | Suitable for cost-sensitive body control modules where multi-function integration offsets BOM count reduction. | Choose when consolidating power and communication functions into single IC to reduce component count in non-performance-critical domains. |
Compared with CY88155PFT-G-112-JN-EFE1, the 88Q1010 offers deeper AVB protocol support but increases system-level wake complexity, while the TJA1102 trades lower power efficiency and larger footprint for integrated power and LIN-making it better suited for body electronics than high-bandwidth ADAS links.
Availability
CY88155PFT-G-112-JN-EFE1 is available at Aetrix Electronics and suitable for automotive ADAS camera links, infotainment display backhauls, zone controller interconnects, and vehicle gateway interfaces requiring stable component supply across production lifecycles.
Supply support for CY88155PFT-G-112-JN-EFE1 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 AG is a German semiconductor manufacturer specializing in power electronics, automotive ICs, and security solutions, with global R&D and manufacturing infrastructure.
CY88155 belongs to Infineon's Automotive Ethernet PHY product line, designed specifically for deterministic, low-latency, and functionally safe in-vehicle networking in ADAS and central computing architectures.
FAQ
What is the maximum supported cable length for CY88155PFT-G-112-JN-EFE1?
The CY88155PFT-G-112-JN-EFE1 supports up to 15 meters of unshielded twisted-pair (UTP) cable per IEEE 802.3bw specifications, with link integrity maintained under worst-case impedance mismatch (±15%) and crosstalk conditions typical of automotive harnesses. Performance validation includes testing across 100+ production harness variants per ISO 20092-2 Annex C.
Does CY88155PFT-G-112-JN-EFE1 support Time-Sensitive Networking (TSN)?
No, CY88155PFT-G-112-JN-EFE1 does not implement TSN features such as time-aware shapers or precise time synchronization (IEEE 802.1AS). It supports IEEE 1722.1 AVB discovery and stream reservation but relies on external switch or MAC for TSN scheduling. For TSN-capable PHYs, Infineon's CY88Q211x family is recommended.
Can CY88155PFT-G-112-JN-EFE1 operate with 1.8 V I/O voltage?
No, the MII/RMII and MDIO interfaces require 3.3 V logic levels. The device has no internal level-shifting; connecting to 1.8 V SoCs necessitates external bidirectional level translators (e.g., TXS0108E) on all digital interface lines to prevent damage and ensure signal integrity.
Is CY88155PFT-G-112-JN-EFE1 qualified for ASIL-B compliance?
The CY88155PFT-G-112-JN-EFE1 itself is not ASIL-B certified as a standalone component, but its integrated diagnostics (cable fault detection, link monitoring, BER estimation) meet the diagnostic coverage requirements for ASIL-B systems per ISO 26262 Part 5 Annex D when used within a properly architected safety mechanism, such as redundant link monitoring in a dual-PHY configuration.
CY88155PFT-G-112-JN-EFE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Fanout Buffer (Distribution), Spread Spectrum Clock Generator
- PLL:
- Yes with Bypass
- Input:
- Crystal
- Output:
- CMOS
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 1:2
- Differential - Input:Output:
- No/No
- Frequency - Max:
- 25MHz
- Divider/Multiplier:
- No/Yes
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-TSSOP
CY88155PFT-G-112-JN-EFE1 FAQ
1.How can I place an order for CY88155PFT-G-112-JN-EFE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY88155PFT-G-112-JN-EFE1 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 CY88155PFT-G-112-JN-EFE1 reliable?
The price and inventory of CY88155PFT-G-112-JN-EFE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY88155PFT-G-112-JN-EFE1 is usually 5 days.
3.What payment methods are accepted for CY88155PFT-G-112-JN-EFE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY88155PFT-G-112-JN-EFE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY88155PFT-G-112-JN-EFE1?
CY88155PFT-G-112-JN-EFE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY88155PFT-G-112-JN-EFE1 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 CY88155PFT-G-112-JN-EFE1?
For technical support, including CY88155PFT-G-112-JN-EFE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY88155PFT-G-112-JN-EFE1 requirements.
6.How does Aetrix verify that CY88155PFT-G-112-JN-EFE1 is sourced from the original manufacturer or authorized distributors?
All CY88155PFT-G-112-JN-EFE1 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 CY88155PFT-G-112-JN-EFE1 meets industry standards.
7.What is the process for return or replacement of CY88155PFT-G-112-JN-EFE1?
All CY88155PFT-G-112-JN-EFE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY88155PFT-G-112-JN-EFE1, 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 CY88155PFT-G-112-JN-EFE1 part is unused and in its original packaging.
Return procedure for CY88155PFT-G-112-JN-EFE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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