DP83TC816-Q1 - 100Base-T1 Automotive Ethernet PHY | TI
MPN: DP83TC816-Q1 ✓ NakahandaDP83TC816-Q1 Ulas
An Ethernet PHY (physical layer transceiver) is the IC that converts digital MAC-layer data into analog signals suitable for transmission over a physical cable medium. Within the network stack hierarchy - MAC, PHY, transformer/connector - the PHY sits between the media access controller and the twisted-pair link, handling encoding, equalization, echo cancellation, and link training. In automotive systems it enables the single-pair Ethernet (SPE) topology standardized as 100Base-T1 (also known as IEEE 802.3bw and formerly BroadR-Reach).
Key features include xMII interface flexibility (RGMII and SGMII per the product brief), IEEE 802.1AS gPTP time-stamping support, AVB clock generation for audio-video-bridging networks, and TC10 sleep-wake power management for reduced system standby current. These functions make the device suited to zonal and domain controller architectures where synchronized, low-latency in-vehicle networking is required.
Technically, the DP83TC816-Q1 performs all physical-layer functions required to transmit and receive data over single twisted-pair cables, including analog front-end signal conditioning and DSP-based equalization, while providing the MAC-facing digital interface options that simplify connection to automotive Ethernet switches and SoCs.
Typical applications include automotive domain and zonal controllers, ADAS sensor aggregation links, camera and display connectivity over single twisted pair, and gateway ECUs bridging 100Base-T1 links to other in-vehicle network domains.
When designing the board, keep the MDI pair routing impedance-controlled (100-ohm differential) and follow TI's reference design layout for the decoupling network around the VQFN-36 supply pins to meet OA EMC conformance.
This page synthesizes distributor data, verified datasheet information, drop-in same-family alternatives, and practical migration guidance not found in the manufacturer datasheet alone.
Mga alternatibo na pwedeng ilagay na DP83TC816-Q1 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok DP83TC816-Q1 (parehas na form factor at footprint) — pagkakaiba sa Automotive Qualification, Data Rate, Package.
DP83TC815-Q1
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →DP83TC817SRHARQ1
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
DP83TG721SRHARQ1
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
DP83TC816-Q1 Mga Spesipikasyon
| Product Type | 100Base-T1 Automotive Ethernet PHY Transceiver |
| Standard Compliance | IEEE 802.3bw, Open Alliance (OA) |
| Rate ng Data | 100 Mbps full-duplex |
| Medium | Single unshielded or shielded twisted-pair cable |
| MAC Interface (xMII) | RGMII, SGMII |
| Time Sync Support | IEEE 802.1AS (gPTP) |
| AVB Clock Generation | Yes |
| TC10 Sleep-Wake | Yes |
| Automotive Qualification | AEC-Q100 qualified (Q1) |
| Packhaging | 36-VQFN, 6x6 mm |
| Marking | 816 |
| Uri ng Pagpapasok | Surface Mount |
Gabay sa Pin Configuration ng DP83TC816-Q1 36-vqfn, 6x6 mm
Pin configuration para sa DP83TC816-Q1 (36-vqfn, 6x6 mm package). Ang pagnunumero ng pin, mga function, at connection diagram ay tinukoy sa datasheet ng manufacturer. Sumangguni dito para sa eksaktong footprint at mga alituntunin sa soldering.
Wala ng detalyadong pinout data na magagamit para sa DP83TC816-Q1.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
DP83TC816-Q1 ay nararapat para sa 6 aplikasyons: Automotive Domain and Zonal Controllers, ADAS Camera and Sensor Aggregation, In-Vehicle Ethernet Gateways, Automotive Display Connectivity, Industrial Single-Pair Ethernet (SPE) Nodes, Battery Management and EAxle Communication Links.
Automotive Domain and Zonal Controllers
Zonal architectures consolidate body, comfort, and powertrain functions into zone controllers connected over 100Base-T1 backbones. The DP83TC816-Q1 fits this role because its IEEE 802.3bw-compliant PHY delivers 100 Mbps full-duplex over a single unshielded twisted pair, cutting harness weight and cost versus CAN-FD or 100BASE-TX multi-pair links, while its RGMII/SGMII xMII flexibility connects directly to automotive Ethernet switches. TC10 sleep-wake lets the domain controller power down the zone node over the link itself, eliminating a dedicated wake wire, and IEEE 802.1AS time-stamping synchronizes zone nodes for deterministic AVB traffic. AEC-Q100 qualification covers the under-hood and cabin temperature environments.
Inirekomenda
ADAS Camera and Sensor Aggregation
ADAS systems aggregate surround-view cameras, radar, and lidar data into central controllers over in-vehicle Ethernet. The DP83TC816-Q1 suits camera links at up to 100 Mbps per IEEE 802.3bw over low-cost unshielded single twisted pair, with the equalized analog front-end tolerating automotive cable impairments. Its IEEE 802.1AS (gPTP) support time-stamps frames so multiple camera streams stay synchronized for sensor-fusion algorithms, and AVB clock generation provides the audio-video bridging clocks needed for prioritized isochronous traffic on switch-based ADAS backbones. TC10 sleep-wake enables camera modules to wake on demand, keeping parked-vehicle quiescent draw within OEM budgets. AEC-Q100 qualification addresses the harsh environment near windshields and exterior sensor nodes.
Inirekomenda
In-Vehicle Ethernet Gateways
Gateway ECUs bridge 100Base-T1 Ethernet domains to CAN, LIN, and FlexRay domains. The DP83TC816-Q1 is well matched here because RGMII/SGMII interface flexibility lets it terminate on legacy as well as modern Ethernet switch silicon, and the Open Alliance compliance ensures interoperability across vendor PHYs on the same link segment. Its TC10 sleep-wake function participates in network-wide power management, letting the gateway coordinate wake-up of sleeping nodes during remote-start or OTA sessions, while IEEE 802.1AS timestamps forwarded frames to preserve end-to-end time synchronization across domains. The 36-VQFN 6x6 package conserves board area in dense gateway designs where multiple PHY instances share one PCB.
Inirekomenda
Automotive Display Connectivity
Central and passenger displays increasingly receive content over single-pair Ethernet rather than proprietary LVDS links. The DP83TC816-Q1 transports compressed video streams at 100 Mbps over one unshielded twisted pair, simplifying routing through hinge or long-diameter harness paths that multi-pair cable cannot traverse economically. AVB clock generation supports the isochronous class of traffic defined for in-vehicle infotainment, ensuring jitter-bounded frame delivery to the display controller, and IEEE 802.1AS keeps the display pipeline synchronized with the head unit's audio-video clock domain. TC10 sleep-wake lets the display node sleep with the vehicle off. The AEC-Q100 qualified Q1 suffix matches automotive display-module qualification requirements.
Inirekomenda
Industrial Single-Pair Ethernet (SPE) Nodes
Industrial 4.0 and PROFINET-over-SPE designs adopt the same 100Base-T1 physical layer standardized in automotive. The DP83TC816-Q1 can serve industrial SPE endpoints because its IEEE 802.3bw PHY and Open Alliance compliance align with industrial SPE interoperability programs, and its RGMII/SGMII flexibility attaches to standard industrial switch SoCs. IEEE 802.1AS time synchronization supports TSN-style deterministic control loops reaching the field level, while TC10 sleep-wake reduces energy in battery- or energy-harvesting-powered IIoT nodes such as vibration or temperature sensor pods. Designers should verify industrial temperature requirements against the datasheet operating range, since the device is marketed and qualified primarily for automotive use.
Inirekomenda
Battery Management and EAxle Communication Links
Electric-vehicle battery packs and e-axle drives often sit meters from the vehicle controller; 100Base-T1 over a single twisted pair provides a robust, EMC-resistant communication link across these distances. The DP83TC816-Q1 offers the PHY layer with IEEE 802.1AS timestamping for coordinated charge/discharge control loops, while TC10 sleep-wake matches the key-off power-down behavior required for 12 V net quiescent budgets in EVs. Its RGMII interface connects to the BMS microcontroller or Ethernet switch, and Open Alliance conformance assures compatibility with OEM backbone standards. AEC-Q100 qualification is essential given pack-adjacent temperature excursions; designers should confirm the specific grade in the TI datasheet.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for DP83TC816-Q1 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | DP83TC815-Q1 | DP83TC817SRHARQ1 | DP83TG721SRHARQ1 |
|---|---|---|---|---|
| Package | 36-VQFN (6x6 mm) | 36-VQFN (6x6 mm) - same | 36-VQFN (6x6 mm) - same | 36-VQFN family - same footprint family |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Link Speed | 100 Mbps (100Base-T1) | 100 Mbps (100Base-T1) | 100 Mbps (100Base-T1) | 1000 Mbps (1000Base-T1) |
| Automotive Qualification | AEC-Q100 (Q1) | AEC-Q100 (Q1) | AEC-Q100 (Q1) | AEC-Q100 (Q1) |
| Typical Application Focus | Domain/zonal controllers, gateways | Alternate-interface 100 Mbps nodes | SGMII-based switch connections | Gigabit camera/backbone links |
Pangunahing mga Pagkakaiba
- Broadest xMII flexibility in the family (kumpara saDP83TC817SRHARQ1)
- TC10 sleep-wake for link-level power management (kumpara saDP83TG721SRHARQ1)
- Same-footprint 100 Mbps companion options (kumpara saDP83TC815-Q1)
Talaan ng Disenyo
Route the MDI twisted-pair as a 100-ohm differential pair with length matching and keep it away from switching-regulator nodes; automotive Open Alliance EMC conformance depends heavily on the PHY-to-connector layout. The 36-VQFN exposed pad must be soldered to a solid ground pour with an array of vias to inner ground layers for both thermal and return-current reasons. Follow the DP83TC816-Q1-DESIGN reference collateral (restricted access on TI.com) for the exact decoupling and MDI matching network values.
Verify all supply rails and their sequencing in the TI datasheet power section before finalizing the power tree; the verified data on this page does not include rail values. Automotive PHY rails are typically generated from the vehicle 12 V net via a wide-input buck followed by low-noise LDOs for the analog supplies. Decouple each VQFN-36 supply pin with local ceramic capacitors and add bulk capacitance at the PHY cluster. Confirm AEC-Q100 temperature grade against your under-hood or cabin mounting location.
When migrating from the gigabit DP83TG721SRHARQ1 to the DP83TC816RHARQ1, do not assume a pure drop-in swap: as discussed on TI's E2E forum, MDI matching, reference/crystal network, and register configuration differ between 1000Base-T1 and 100Base-T1 operation, so re-review the schematic and request a TI schematic review. Also confirm the correct xMII variant selection (DP83TC815 vs DP83TC816 vs DP83TC817S) before committing the footprint reuse, since interface pins differ in function.
Impormasyon ng Pagsunod sa Kautusan
Automotive Q1 suffix indicates AEC-Q100 qualification per TI product page. RoHS/REACH/halogen details were not present in the verified data; confirm on TI.com product page.
