DP83TC816RHARQ1 - 100Base-T1 Automotive Ethernet PHY | TI
부품 번호: DP83TC816RHARQ1 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DP83TC816RHARQ1 개요
An Ethernet PHY (physical layer transceiver) is the IC that connects a media access controller (MAC) to the physical cabling of a network. In the automotive network hierarchy, the PHY sits between the MAC integrated in a SoC or gateway processor and the single twisted-pair (STP/UTP) wiring harness, performing encoding, decoding, clock recovery, equalization, and link diagnostics as defined by the 100Base-T1 standard (IEEE 802.3bw, formerly Broadcom BroadR-Reach).
Key features include RGMII and SGMII MAC interface options, AVB (Audio Video Bridging) clock generation for deterministic in-vehicle networking, IEEE 802.1AS time synchronization support, and TC10 Sleep-Wake power management for network standby. Automotive AEC-Q100-grade qualification per the -Q1 suffix makes it suitable for in-vehicle deployment across extended temperature ranges.
Architecturally, the device integrates the full analog front end - line drivers, receivers, echo canceller, adaptive equalizer, and clock recovery loop - plus a digital baseband engine and flexible PLL/clock synthesis block, allowing a single crystal to generate gPTP-aligned reference clocks for media playback and camera synchronization.
Typical applications include automotive gateway ECUs, ADAS camera and radar domains, infotainment head units, and zonal body controllers that require 100 Mbps single-pair Ethernet links with synchronized AVB traffic.
Design consideration: verify MAC interface mode selection (RGMII vs SGMII) at reset strapping early in the project, since this determines both the PCB routing plan and clock topology.
This page synthesizes distributor sourcing data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: DP83TC816RHARQ1 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DP83TC816RHARQ1 (동일 폼 팩터 및 풋프린트) — 차이점: Data Rate, Automotive Qualification, Media Interface, Product Type, Standards Compliance.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DP83TC817SRHARQ1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DP83TC812X-Q1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DP83TC815-Q1
✅ 드롭인✓ 재고 있음
$3.85 / 개
데이터시트 보기 →DP83TC816RHAR
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
DP83TG721SRHARQ1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DP83TC816RHARQ1 사양
| Product Type | 100Base-T1 Automotive Ethernet PHY Transceiver |
| Standards Compliance | IEEE 802.3bw, Open Alliance (OA) |
| 데이터 속도 | 100 Mbps full duplex |
| MAC Interface | RGMII, SGMII |
| Media Interface | Single twisted pair (UTP/STP) |
| Time Synchronization | IEEE 802.1AS (gPTP) |
| AVB Clock Generation | Yes |
| Sleep-Wake Support | TC10 Sleep-Wake |
| Automotive Qualification | AEC-Q100 (Q1 grade) |
| 패키지 | 36-VQFN (6x6 mm) |
| 실장 유형 | Surface Mount |
| Marking Code | 816 |
DP83TC816RHARQ1 36-vqfn (6x6 mm) 핀 구성 가이드
DP83TC816RHARQ1(36-vqfn (6x6 mm) 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: DP83TC816RHARQ1.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DP83TC816RHARQ1 적합 용도: 6 애플리케이션s: Automotive Gateway ECU, ADAS Camera Domain, Infotainment Head Unit, Zonal Body Controller, Automotive Test and Validation Equipment, Industrial Machine Vision over SPE.
Automotive Gateway ECU
The DP83TC816RHARQ1 fits automotive gateway controllers because it combines 100 Mbps single twisted-pair Ethernet with RGMII/SGMII flexibility, letting the gateway MAC connect over whichever xMII mode the SoC supports. Its IEEE 802.1AS gPTP and AVB clock generation keep time-sensitive media and control streams synchronized across the vehicle network, while TC10 Sleep-Wake allows individual links to enter standby without dropping the gateway from the network. Placed on the 100Base-T1 link between the central gateway and zonal controllers, the PHY delivers deterministic in-vehicle communication over lightweight UTP/STP harnesses, cutting harness weight and cost versus legacy CAN/FlexRay backbones. Designers should validate TC10 wake timing against the vehicle power-management specification during integration.
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ADAS Camera Domain
ADAS forward-view and surround-view cameras stream compressed video over 100Base-T1 links to domain controllers, and the DP83TC816RHARQ1 is engineered for exactly this role. The IEEE 802.1AS gPTP support synchronizes frame timestamps across multiple cameras, which is mandatory for sensor fusion algorithms that correlate images from different viewpoints. AVB clock generation provides the low-jitter reference clocks the camera ISP and serializer need, eliminating a separate clock tree. The Open Alliance compliance guarantees interoperability with the automotive connector and cable ecosystem, and AEC-Q100 qualification covers the under-hood and on-glass temperature environments. Evaluate link budget over the full cable length and temperature corner before finalizing the passive network around the PHY.
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Infotainment Head Unit
Infotainment head units use AVB (Audio Video Bridging) streams to carry multi-channel audio and rear-seat display video over the car Ethernet backbone, and the DP83TC816RHARQ1's integrated AVB clock generation directly supports this traffic class. Because the PHY synthesizes IEEE 802.1AS-aligned reference clocks on-chip, audio DACs and video encoders in the head unit can lock to the network grandmaster clock, preventing drift-induced pops or frame drops. TC10 Sleep-Wake lets the infotainment domain power down its Ethernet links when the vehicle is off while remaining wake-capable, supporting battery-drain targets. RGMII connectivity to the head-unit SoC keeps the BOM simple with a single crystal and minimal clock components.
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Zonal Body Controller
Zonal architecture replaces long point-to-point harnesses with short local links terminated at zonal controllers, and the DP83TC816RHARQ1 provides the uplink from each zone to the central compute node. Its single twisted-pair 100Base-T1 interface minimizes connector count at the zone boundary, and AEC-Q100 qualification addresses the harsh locations - doors, underfloor, engine bay periphery - where zonal nodes live. TC10 Sleep-Wake is particularly valuable here: parked-vehicle power drain budgets are met by sleeping idle zone links while preserving wake-on-demand. The xMII flexibility (RGMII/SGMII) lets one controller design serve multiple zones with different host processors. Confirm ESD and common-mode requirements of the OPEN Alliance physical attach test when selecting the magnetics-free discrete network.
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Automotive Test and Validation Equipment
Bench and HIL (hardware-in-the-loop) testers for in-vehicle networks need PHYs that behave identically to production ECUs, so validation rigs commonly populate the DP83TC816RHARQ1 to emulate a 100Base-T1 node. Open Alliance and IEEE 802.3bw compliance ensures conformance-test traffic is generated and received per spec, while register-level access to the TI PHY exposes link diagnostics useful during EMC and cable-harness qualification. The 36-VQFN package mounts on standard test-fixture boards, and RGMII/SGMII interfaces connect cleanly to FPGA-based traffic generators. Because test equipment is not automotive-qualified equipment per se, the standard grade variant of the same die can be evaluated for cost reduction after confirming test-lab equivalence requirements.
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Industrial Machine Vision over SPE
Beyond automotive, 100Base-T1 single-pair Ethernet (SPE) is migrating into industrial machine vision and robotics, where the DP83TC816RHARQ1's deterministic 100 Mbps link and gPTP synchronization benefit camera-to-controller connections inside the machine. Single twisted-pair cabling replaces bulky Cat-5e in tight robot arms and gantries, and the PHY's adaptive equalization sustains links over industrial cable lengths with solid noise margin. AVB clock generation supports synchronized multi-camera triggering on the factory floor, and TC10-style sleep concepts translate to energy-efficient idle machines. Note this part is automotive-qualified, which exceeds typical industrial requirements, so it can serve industrial designs that demand extended robustness; verify supply-chain terms since pricing and distribution channels differ from industrial PHY families.
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추천 제품 요약
엔지니어링 참조 데이터: DP83TC816RHARQ1 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DP83TC817SRHARQ1 | DP83TC812X-Q1 | DP83TC815-Q1 | DP83TG721SRHARQ1 |
|---|---|---|---|---|---|
| Package | 36-VQFN (6x6 mm) | 36-VQFN (6x6 mm) - same family | 36-VQFN family | 36-VQFN family | 36-VQFN (6x6 mm) - same family |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Data Rate | 100 Mbps (100Base-T1) | 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) | AEC-Q100 (Q1) |
| Standards Compliance | IEEE 802.3bw, Open Alliance | IEEE 802.3bw, Open Alliance | IEEE 802.3bw, Open Alliance | IEEE 802.3bw, Open Alliance | IEEE 802.3bp (1000Base-T1), Open Alliance |
주요 차별점
- Integrated AVB clock generation (vs DP83TC812X-Q1)
- TC10 Sleep-Wake support (vs DP83TC815-Q1)
- Lower power at reduced bandwidth (vs DP83TG721SRHARQ1)
설계 노트
Confirm the xMII interface mode (RGMII vs SGMII) via reset strapping before finalizing the schematic. TI E2E forum threads on the DP83TC816-Q1 report that migrations from related PHYs (e.g., DP83TG721SRHARQ1 to DP83TC816RHARQ1) require schematic and PCB review even when parts appear pin-compatible - line signaling, interface speed, and strapping options differ between 100Base-T1 and 1000Base-T1 devices. Always diff the pin tables of the old and new part numbers against the latest TI datasheet revision.
100Base-T1 transmits full-duplex over a single twisted pair, so echo cancellation performance depends heavily on the external passive network. Follow the TI datasheet reference circuit exactly for the line-side components (termination resistors and AC-coupling capacitors), and route the MDI pair as a controlled-impedance 100-ohm differential pair kept short and away from switching regulator nodes. Deviating from the reference BOM values on the line side is the most common cause of failed Open Alliance interoperability and EMC testing.
Estimate: PHY power depends on link speed and AVB clock loading; consult the datasheet power tables for the RGMII/SGMII mode you select before sizing the 3.3 V rail. Provide local decoupling on each VDD pin as specified in the datasheet layout guideline, and account for TC10 sleep-state current separately when computing vehicle standby drain - the sleep budget is typically a governing requirement in zonal architectures.
규정 준수 정보
Automotive qualification (Q1 / AEC-Q100-grade) is stated by the -Q1 suffix and TI product page. RoHS/REACH/lead-free/halogen details were not present in the verified data; consult the TI product page and its material-content report.
