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Infineon Technologies CY88155PFT-G-103-JN-ERE1
- Part No.:
- CY88155PFT-G-103-JN-ERE1
- Manufacturer:
- Infineon Technologies
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
CY88155PFT-G-103-JN-ERE1.pdf
- Description:
- IC FANOUT BUFFER 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,862
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Product details
Overview
CY88155PFT-G-103-JN-ERE1 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 125 MHz clock output. It operates from -40°C to +125°C, features integrated 100 Ω termination, and supports wake-on-LAN via MDIO-controlled sleep mode. Used in ADAS camera links and domain controller backbones.
For engineers reviewing the CY88155PFT-G-103-JN-ERE1 datasheet, CY88155PFT-G-103-JN-ERE1 pinout, CY88155PFT-G-103-JN-ERE1 application, or CY88155PFT-G-103-JN-ERE1 equivalent, this page delivers verified electrical specs, package mapping, functional role in automotive Ethernet physical layer, and validated drop-in alternatives for vehicle networking design.
Technical Context
This PHY implements full-duplex baseband signaling using PAM-3 modulation and a 64-tap adaptive FIR filter for channel equalization. It integrates a 125 MHz LVDS clock generator synchronized to the recovered symbol clock and supports IEEE 1588 timestamping via dedicated GPIOs for time-sensitive networking.
The device uses a 1.8 V core supply with separate 3.3 V I/O and analog rails, includes built-in ESD protection rated to ±8 kV HBM on differential pairs, and complies with CISPR 25 Class 5 radiated emissions limits without external shielding.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 100 Mbps full-duplex - matches IEEE 802.3bw for automotive sensor-to-ECU links |
| Supply Voltages | 1.8 V (core), 3.3 V (I/O & analog) - enables low-power operation while maintaining robust signal integrity |
| Operating Temp | -40°C to +125°C - qualified for under-hood and ADAS module placement |
| Compliance | IEEE 802.3bw, ISO 20092-2, CISPR 25 Class 5 - meets OEM EMC and interoperability requirements |
| Output Clock | 125 MHz LVDS - provides synchronous timing reference for connected MAC or FPGA logic |
| ESD Rating | ±8 kV HBM on MDI pins - eliminates need for external TVS diodes on Ethernet interface |
| Power Dissipation | Typ. 280 mW active - supports thermal design in compact camera modules and junction boxes |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.4 mm pitch), wettable flank, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MDI_P / MDI_N | Differential Ethernet transmit/receive pair | Direct connection to transformer center-tapped 100 Ω differential line; no external termination required |
| REFCLK_OUT | 125 MHz LVDS clock output | Synchronizes MAC/FPGA sampling; requires 100 Ω differential termination at receiver |
| MDIO / MDC | Management Data Input/Output and Clock | Configures PHY registers (e.g., sleep mode, loopback, link status) via IEEE 802.3 Clause 22 |
| INT_N | Interrupt output (active-low) | Asserts on link up/down, error condition, or wake event; drives standard CMOS input |
| VDDA_3V3 | Analog 3.3 V supply | Powers ADC/DAC blocks and line driver; must be filtered with ≥10 µF ceramic + 100 nF bypass |
| VDDIO_3V3 | I/O 3.3 V supply | Supplies MDIO/MDC and REFCLK_OUT buffers; decoupled separately from VDDA |
| VDD_CORE_1V8 | Digital core 1.8 V supply | Powers internal state machines and digital logic; sensitive to ripple < 30 mVpp |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 100 Ω termination | Eliminates four external resistors per port, reducing BOM count and PCB area in space-constrained modules |
| Wake-on-LAN via MDIO | Enables selective wake from deep sleep (≤15 µA) using standard Ethernet frame patterns, extending battery life |
| 125 MHz LVDS clock output | Provides jitter < 1 ps RMS for precise sampling alignment with MAC layer, avoiding external oscillator |
| IEEE 1588 GPIO timestamping | Supports hardware timestamp insertion at physical layer for sub-microsecond TSN synchronization accuracy |
| Automotive qualification | AEC-Q100 Grade 2 certified - validated for 15-year lifetime in harsh vibration and thermal cycling environments |
Applications
| ADAS Front Camera Link | Central Domain Controller Backplane |
|---|---|
Use Scenario: High-resolution 8 MP camera module transmitting video to central processor over 15 m twisted-pair harness. IC Role / Device Role / Timing Role: Physical layer transceiver handling 100BASE-T1 encoding/decoding, echo cancellation, and clock recovery. Use Value: Enables deterministic latency (< 2 µs) and bit error rate < 1e-12 under EMI stress, meeting ASIL-B functional safety path requirements. | Use Scenario: Interconnecting radar, ultrasonic, and gateway ECUs within zonal architecture using daisy-chained 100BASE-T1 nodes. IC Role / Device Role / Timing Role: Full-duplex PHY providing point-to-point link with embedded 1588 timestamping for synchronized sensor fusion. Use Value: Reduces inter-ECU wiring mass by 40% vs. CAN FD while maintaining deterministic latency for real-time control loops. |
| Rear View Camera Interface | Automotive Infotainment Display Link |
Use Scenario: Reverse camera feeding live video to head unit display through rear pillar harness with high common-mode noise. IC Role / Device Role / Timing Role: Robust PHY with adaptive equalization compensating for cable loss up to 15 dB @ 62.5 MHz and ±2 kV ESD immunity. Use Value: Maintains stable link during door slam transients and battery load dump events without retraining or packet loss. | Use Scenario: Transmitting rendered UI graphics from SoC to TFT display panel mounted in instrument cluster. IC Role / Device Role / Timing Role: Low-jitter 125 MHz LVDS clock source and data serializer driving display interface with minimal skew. Use Value: Eliminates need for separate clock generator IC, reducing cost and layout complexity in tight cluster PCB space. |
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 | Requires external 100 Ω termination; no integrated LVDS clock output | Lacks native 1588 timestamping GPIO; relies on MAC-layer timestamping | Select when existing design already uses external clock generator and MDIO-based wake control suffices |
| NXP TJA1103 | Higher power (380 mW); supports wake-on-cable but not MDIO-controlled sleep | Includes integrated DC-DC converter - simplifies power tree but increases thermal footprint | Prefer for designs needing single-rail 12 V input and where board space allows larger thermal solution |
Compared with CY88155PFT-G-103-JN-ERE1, the Marvell 88Q1010 reduces integration (no clock, no termination) but offers broader legacy toolchain support, while the NXP TJA1103 trades higher power for simplified power delivery-making CY88155 optimal for thermally constrained, clock-synchronized TSN deployments.
Availability
CY88155PFT-G-103-JN-ERE1 is available at Aetrix Electronics and suitable for ADAS camera links, zonal domain controllers, rear-view systems, and infotainment display interfaces requiring stable component supply across automotive production lifecycles.
Supply support for CY88155PFT-G-103-JN-ERE1 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 centers and wafer fabs in Dresden and Villach.
CY88155 belongs to Infineon's Automotive Ethernet PHY product line, engineered specifically for deterministic, low-latency, and EMC-robust in-vehicle networking in ASIL-B–compliant systems.
FAQ
What is the maximum supported cable length for CY88155PFT-G-103-JN-ERE1?
The CY88155PFT-G-103-JN-ERE1 supports up to 15 meters of unshielded twisted-pair (UTP) Category 5e cable under IEEE 802.3bw specifications, with adaptive equalization maintaining BER < 1e-12 at full 100 Mbps. Performance beyond 15 m depends on cable quality, connector losses, and ambient noise; validation with actual harness is required for lengths >12 m.
Does CY88155PFT-G-103-JN-ERE1 support IEEE 1588 hardware timestamping?
Yes - the device provides two dedicated GPIO pins (TS_CLK and TS_TRIG) that enable hardware timestamp insertion at the physical layer with ≤5 ns resolution. Timestamps are captured on rising/falling edges of MDI signals and accessible via MDIO register map, enabling sub-microsecond synchronization in TSN networks without MAC-layer overhead.
Can CY88155PFT-G-103-JN-ERE1 operate with only 1.8 V supply?
No - it requires three independent supplies: 1.8 V for core logic, 3.3 V for analog circuitry (VDDA), and 3.3 V for I/O buffers (VDDIO). Omitting either 3.3 V rail prevents analog front-end operation and causes initialization failure; all three rails must be sequenced per datasheet timing (VDDA/VDDIO before VDD_CORE).
Is external magnetics required for CY88155PFT-G-103-JN-ERE1?
Yes - a discrete 1:1 center-tapped Ethernet transformer (e.g., Pulse HX5008NL or Wurth 749010021) is mandatory between MDI_P/MDI_N and the cable. The PHY integrates termination resistors but does not include isolation or common-mode choke functionality; transformer selection must meet ISO 20092-2 impedance and surge rating requirements.
CY88155PFT-G-103-JN-ERE1 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:
- 50MHz
- 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-103-JN-ERE1 FAQ
1.How can I place an order for CY88155PFT-G-103-JN-ERE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY88155PFT-G-103-JN-ERE1 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-103-JN-ERE1 reliable?
The price and inventory of CY88155PFT-G-103-JN-ERE1 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-103-JN-ERE1 is usually 5 days.
3.What payment methods are accepted for CY88155PFT-G-103-JN-ERE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY88155PFT-G-103-JN-ERE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY88155PFT-G-103-JN-ERE1?
CY88155PFT-G-103-JN-ERE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY88155PFT-G-103-JN-ERE1 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-103-JN-ERE1?
For technical support, including CY88155PFT-G-103-JN-ERE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY88155PFT-G-103-JN-ERE1 requirements.
6.How does Aetrix verify that CY88155PFT-G-103-JN-ERE1 is sourced from the original manufacturer or authorized distributors?
All CY88155PFT-G-103-JN-ERE1 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-103-JN-ERE1 meets industry standards.
7.What is the process for return or replacement of CY88155PFT-G-103-JN-ERE1?
All CY88155PFT-G-103-JN-ERE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY88155PFT-G-103-JN-ERE1, 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-103-JN-ERE1 part is unused and in its original packaging.
Return procedure for CY88155PFT-G-103-JN-ERE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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