DP83TC811SWRNDRQ1 - 100BASE-T1 Automotive Ethernet PHY | TI
MPN: DP83TC811SWRNDRQ1 ✓ सक्रियDP83TC811SWRNDRQ1 अवलोकन
A 100BASE-T1 Ethernet PHY is the physical-layer component that converts digital MAC data into signals suitable for an unshielded twisted-pair cable and converts received cable signals back into digital data. Within the network hierarchy, it sits below the Ethernet MAC, above the physical medium, and forms part of an automotive connectivity or vehicle-network subsystem. Its low-power design is intended to reduce energy consumption in vehicles where Ethernet links may remain active across many electronic control units.
The DP83TC811S-Q1 family combines 100BASE-T1 cable-side operation with broad host-interface flexibility. MII support is useful for parallel MAC connections, RMII reduces pin requirements, RGMII supports higher signaling rates, and SGMII offers a serial MAC interface. This range of supported interfaces allows the PHY to connect to different automotive Ethernet controllers while preserving a common physical-layer design.
TI describes the device as Automotive Grade 1 and AEC-Q100 qualified. The Diagnostic Tool Kit provides diagnostic functions for evaluating the link and physical-layer behavior. A PRBS frame-generation tool is compatible with internal loopbacks, allowing transmit and receive testing without a MAC. These features support commissioning, fault isolation, and production validation in automotive Ethernet networks.
Typical uses include vehicle backbones, domain controllers, body and comfort modules, telematics units, in-vehicle Ethernet gateways, and automotive diagnostic equipment. The 36-pin VQFN format supports compact multilayer PCB construction, while the wettable-flank package improves visual inspection of solder joints after reflow. Automotive qualification makes the device appropriate for temperature and reliability requirements associated with Grade 1 applications.
Layout should preserve short, controlled-impedance traces between the PHY, magnetic interface, and connector, and should account for the exposed thermal pad and its required copper connection. Because xMII signals are sensitive to timing and edge quality, follow the manufacturer’s reference layout, component placement, decoupling, and interface-guidance requirements. This page organizes the device capabilities, verified package information, diagnostic functions, and application guidance for engineering evaluation.
के लिए ड्रॉप-इन विकल्प DP83TC811SWRNDRQ1 — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस सीरीज़ के वेरिएंट
समान श्रृंखला के मॉडल जो ड्रॉप-इन संगत हैं DP83TC811SWRNDRQ1 (समान फॉर्म फैक्टर और फुटप्रिंट) — इसमें भिन्न Data Rate, Package, Product Type, Automotive Qualification, MAC Interface Support.
DP83TC811SWRNDTQ1
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →DP83TC811RWRNDRQ1
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →DP83TC811RWRNDTQ1
✅ ड्रॉप-इन📋 संदर्भ विकल्प (कैटलॉग में नहीं)
DP83TC811SWRNDRQ1 विशेषताएं
| Product Type | Automotive 100BASE-T1 Ethernet PHY transceiver |
| Ethernet Standard | IEEE 802.3bw |
| डेटा दर | 100BASE-T1 |
| Automotive Grade | Grade 1 |
| Automotive Qualification | AEC-Q100 qualified |
| Host Interface | xMII |
| Supported MAC Interfaces | MII, RMII, RGMII, and SGMII |
| Cable Medium | Unshielded single twisted-pair cable |
| Supply Voltage Options | 1.8 V, 2.5 V, and 3.3 V |
| पैकेज | 36-pin VQFN wettable-flank package |
| Package Dimensions | 6.00 mm x 6.00 mm |
| माउंटिंग प्रकार | Surface mount |
| Diagnostic Toolkit | Included |
| PRBS Generation | Supported with internal loopbacks |
| RoHS Compliance | RoHS3 compliant |
| Moisture Sensitivity Level | MSL 3, 260 C, 168 hours |
DP83TC811SWRNDRQ1 6.00 mm x 6.00 mm पिन कॉन्फ़िगरेशन गाइड
DP83TC811SWRNDRQ1 (6.00 mm x 6.00 mm पैकेज) के लिए पिन कॉन्फ़िगरेशन। पिन नंबरिंग, फ़ंक्शन और कनेक्शन आरेख निर्माता डेटाशीट में परिभाषित हैं। सटीक फुटप्रिंट और सोल्डरिंग दिशानिर्देशों के लिए इसे देखें।
इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: DP83TC811SWRNDRQ1.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
DP83TC811SWRNDRQ1 के लिए उपयुक्त है 6 अनुप्रयोगs: Vehicle Backbone Ethernet, Automotive Domain Controller, Body and Comfort Module, Telematics and Connectivity Unit, In-Vehicle Ethernet Gateway, Automotive Ethernet Diagnostics.
Vehicle Backbone Ethernet
The DP83TC811SWRNDRQ1 fits a 100BASE-T1 vehicle-backbone segment that must communicate over an unshielded single twisted-pair cable. Its IEEE 802.3bw-compliant PHY implementation provides the physical layer required between an automotive MAC and the cable, while support for MII, RMII, RGMII, and SGMII lets designers connect multiple controller architectures. The low-power, AEC-Q100-qualified Automotive Grade 1 device is suitable for distributed vehicle networks where size, interface flexibility, and automotive qualification matter. Validation should include the selected Ethernet magnetics, cable impedance, automotive EMC requirements, and the full operating-temperature range.
अनुशंसित
Automotive Domain Controller
The DP83TC811SWRNDRQ1 is appropriate for a domain controller that serves as an Ethernet aggregation node for vehicle subsystems. The PHY supports a 100BASE-T1 link over unshielded twisted pair and can operate with an MII, RMII, RGMII, or SGMII MAC interface, reducing the need to lock the controller architecture before the board design is complete. Its 6.00 mm by 6.00 mm 36-pin VQFN package also supports compact multilayer layouts. During integration, verify signal timing for the selected MAC mode, provide clean local supplies at 1.8 V, 2.5 V, or 3.3 V, and follow TI layout guidance around the exposed pad.
अनुशंसित
Body and Comfort Module
A body or comfort module can use the DP83TC811SWRNDRQ1 to add a 100BASE-T1 Ethernet link without requiring a conventional larger Ethernet magnetics arrangement. The device is designed for unshielded single twisted-pair media and combines automotive-grade qualification with a low-power profile. MII and RMII support may be useful for lower-pin-count module implementations, while RGMII or SGMII provides alternatives for higher-performance MAC connectivity. The design must account for cable routing, ground references, ESD protection, magnetics selection, and the PCB spacing needed to keep cable-side energy away from sensitive digital circuitry.
अनुशंसित
Telematics and Connectivity Unit
The DP83TC811SWRNDRQ1 suits automotive telematics and connectivity units that bridge an in-vehicle Ethernet network to higher-level vehicle electronics. A 100BASE-T1 physical layer provides a compact link over unshielded twisted pair, while the four supported MAC-interface formats allow reuse across different controller selections. Automotive Grade 1 qualification supports integration into vehicle environments, and the diagnostic toolkit helps identify link or physical-layer problems during installation and service. Engineers should confirm the module’s temperature envelope, isolation strategy, cable-length requirements, and regulatory EMC performance rather than treating the PHY qualification as a substitute for complete product validation.
अनुशंसित
In-Vehicle Ethernet Gateway
The DP83TC811SWRNDRQ1 can serve as the 100BASE-T1 endpoint in an in-vehicle Ethernet gateway that translates or aggregates traffic among automotive domains. Its xMII flexibility supports MII, RMII, RGMII, and SGMII host connections, giving the gateway designer several paths for connecting a switch, microcontroller, or communications processor. The low-power device and compact VQFN package help conserve board area in central electronic control units. For production implementation, validate the gateway’s clocking, MAC timing, reset behavior, diagnostic access, magnetics, and cable return path against the manufacturer reference design.
अनुशंसित
Automotive Ethernet Diagnostics
The DP83TC811SWRNDRQ1 is useful in automotive diagnostic benches and service equipment because its Diagnostic Tool Kit can assist with physical-link troubleshooting. The integrated PRBS frame generator is compatible with internal loopbacks, allowing transmit-and-receive testing without a MAC, which can simplify board validation and fault isolation. These functions complement the device’s 100BASE-T1 transceiver in end-node designs. Test software still needs the correct device driver or register access method, and the bench should represent the intended cable, magnetics, termination, and supply conditions to reproduce in-vehicle behavior accurately.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा DP83TC811SWRNDRQ1 — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद | DP83TC811SWRNDTQ1 | DP83TC811RWRNDRQ1 | DP83TC811RWRNDTQ1 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 36-pin VQFN wettable-flank package | 36-pin VQFN wettable-flank package | 36-pin VQFN wettable-flank package | 36-pin VQFN wettable-flank package |
| Ethernet Data Rate | 100BASE-T1 | 100BASE-T1 | 100BASE-T1 | 100BASE-T1 |
| Supported MAC Interfaces | MII, RMII, RGMII, and SGMII | MII, RMII, RGMII, and SGMII | MII, RGMII, and RMII | MII, RGMII, and RMII |
| SGMII Support | Yes | Yes | No | No |
| Supply Voltage Options | 1.8 V, 2.5 V, and 3.3 V | 1.8 V, 2.5 V, and 3.3 V | 1.8 V, 2.5 V, and 3.3 V | 1.8 V, 2.5 V, and 3.3 V |
| Diagnostic Toolkit | Included | Included | Included | Included |
| PRBS Internal-Loopback Testing | Supported | Supported | Supported | Supported |
मुख्य विशेषताएँ
- Broader MAC-interface selection than the R-family alternatives (बनामDP83TC811RWRNDRQ1)
- Identical primary performance with a different final orderable code (बनामDP83TC811SWRNDTQ1)
- Automotive Grade 1 positioning for vehicle networking (बनामDP83TC811RWRNDTQ1)
- Integrated commissioning and production-test capabilities (बनामDP83TC811RWRNDRQ1)
डिज़ाइन नोट्स
Use the Texas Instruments reference layout as the starting point for the 36-pin VQFN footprint, exposed-pad vias, decoupling, and Ethernet magnetics placement. Keep the exposed thermal pad connected to the specified ground-plane structure and use the manufacturer’s via pattern to preserve electrical and thermal performance. Confirm land geometry against the current package drawing because exposed-pad dimensions and paste design can change between package revisions.
Separate cable-side and host-side high-speed paths as far as practical, especially around the Ethernet magnetics and line-driver connection. Minimize loop area on the 100BASE-T1 side, provide a continuous return path, and avoid routing xMII or SGMII signals beneath noisy power and isolation barriers. Follow the device’s interface timing and impedance guidance for the selected MII, RMII, RGMII, or SGMII mode.
Do not substitute an R-family configuration for the S-family target when the host design depends on SGMII; the cited interface difference removes one otherwise supported MAC connection. Also verify that the final orderable code has the required reel or other delivery format, that the Ethernet magnetics are supported for the selected cable and automotive EMC design, and that the device is operated within its complete electrical and temperature limits.
Treat clock, data, and control edges on the selected xMII interface as timing-sensitive. Use the manufacturer-recommended interface topology, termination strategy, and reference clock implementation, and validate the assembled board with the intended MAC and cable equipment. Diagnostic PRBS and internal-loopback features can help separate host-interface problems from physical-layer or cable faults during bring-up.
अनुपालन जानकारी
RoHS3 compliance and AEC-Q100 qualification are identified for the DP83TC811S-Q1 family. REACH status, lead-free classification, halogen-free classification, and conflict-minerals status are not established.
