DP83TD555J-Q1 - 10BASE-T1S SPI MAC-PHY Transceiver | TI
Référence : DP83TD555J-Q1 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.95 | $4,95 |
| 10 | $4.55 | $45,50 |
| 100 | $3.98 | $398,00 |
| 500 | $3.52 | $1 760,00 |
| 1 000 | $3.15 | $3 150,00 |
DP83TD555J-Q1 Présentation
A 10BASE-T1S MAC-PHY transceiver is a physical-layer device that combines an integrated IEEE 802.3 media access controller (MAC) with the 10BASE-T1S PHY, offloading Ethernet protocol handling from a host MCU. Within the automotive Ethernet ecosystem it serves as a low-cost, lightweight alternative to CAN and LIN for in-vehicle networking, supporting multidrop topologies of more than 25 m cable and over 16 nodes depending on channel characteristics.
Key features include AEC-Q100 qualification for automotive environments, an OA-compliant 3-pin SPI host interface, TC10 wake/sleep functionality with remote wake-up over the Ethernet data line, and integrated diagnostics such as cable fault detection, undervoltage monitoring, and overtemperature monitoring. OA TC14 compliance enables advanced diagnostics and topology discovery, streamlining system development and maintenance.
The integrated MAC architecture eliminates the need for a discrete external MAC, reducing BOM cost and PCB area in resource-constrained ECUs. Half-duplex multidrop operation over a single unshielded twisted pair makes the device well suited to zonal and body-domain network topologies, where many low-bandwidth nodes share one bus segment. Power consumption is optimized through TC10 sleep modes with data-line remote wake-up.
Typical applications include automotive body control modules, door modules, seat control, lighting control, and sensor fusion nodes, as well as industrial and building automation systems requiring single-pair Ethernet. Low standby power makes it ideal for always-on, battery-sensitive automotive systems.
When designing with the DP83TD555J-Q1, follow TI datasheet recommendations for differential-pair PCB layout, power-supply decoupling, bus termination, and ESD protection for robust operation in harsh automotive electrical environments.
Alternatives de remplacement direct pour DP83TD555J-Q1 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DP83TD535-Q1
⚡ Même boîtier📋 Alternative de référence (hors catalogue)
DP83TD530-Q1
⚡ Même boîtier📋 Alternative de référence (hors catalogue)
TJA1410
⚡ Même boîtier📋 Alternative de référence (hors catalogue)
ADIN1140BCPZ
⚡ Même boîtier ⚠️ Spécifications non vérifiées✓ En stock
$2.24 / unité
Voir la fiche technique →DP83TD555J-Q1 Spécifications
| Standard | IEEE 802.3cg 10BASE-T1S |
| Open Alliance Compliance | TC10, TC14 |
| Débit de données | 10 Mbps |
| Duplex Mode | Half-duplex |
| Topologie | Multidrop or point-to-point |
| Host Interface | OA-compliant 3-pin SPI (MAC-PHY) |
| Integrated MAC | Yes (IEEE 802.3 MAC) |
| Cable Reach | >25 m cable, >16 nodes depending on channel |
| Cable Type | Unshielded twisted pair (single pair) |
| Common-Mode Voltage Tolerance | Extended |
| Wake/Sleep | TC10 wake/sleep, remote wake-up over data line |
| Diagnostics | Cable fault detection, undervoltage and overtemperature monitoring, TC14 topology discovery |
| Automotive Qualification | AEC-Q100 qualified |
| Statut RoHS | Compliant |
Guide de configuration des broches du DP83TD555J-Q1 standard
Configuration des broches du DP83TD555J-Q1 (boîtier standard). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour DP83TD555J-Q1.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DP83TD555J-Q1 convient pour 6 applications: Automotive Body Control Modules, Door and Seat Control Nodes, Automotive Lighting Control, Zonal Gateway Architectures, Industrial Sensor and Actuator Networks, Building Automation and HVAC.
Automotive Body Control Modules
Body control modules aggregate switching, sensing, and diagnostics across doors, lamps, and loads. The DP83TD555J-Q1 fits because its 10 Mbps multidrop 10BASE-T1S bus carries more bandwidth than LIN while reusing one unshielded twisted pair, and its extended common-mode voltage tolerance survives automotive transients. TC10 sleep with data-line remote wake-up cuts standby current, while TC14 topology discovery and cable fault detection simplify EOL test and field service.
Recommandé
Door and Seat Control Nodes
Door and seat modules are cost- and space-constrained ECUs sharing low-to-medium bandwidth sensor and actuator traffic. The DP83TD555J-Q1's SPI MAC-PHY interface lets low-pin-count MCUs without an Ethernet MAC join the SPE bus directly, and multidrop operation lets >16 nodes share one >25 m bus segment, saving wiring harness cost. TC10 remote wake-up over the data line removes the need for an extra wake wire in the door harness.
Recommandé
Automotive Lighting Control
Matrix and zonal lighting nodes require synchronized, low-latency command traffic. The DP83TD555J-Q1 delivers 10 Mbps half-duplex Ethernet transport with deterministic OA TC10 sleep/wake behavior and diagnostics to detect harness opens/shorts via cable fault detection. Its undervoltage and overtemperature monitoring protects against load-dump-associated faults, and the integrated MAC offloads protocol processing from small lighting MCUs connected only through SPI.
Recommandé
Zonal Gateway Architectures
Zonal architectures replace long point-to-point harnesses with short local SPE bus segments terminating at a zonal gateway. The DP83TD555J-Q1 aggregates >16 sensor/actuator nodes per 10BASE-T1S segment with TC14 topology discovery for plug-and-play node identification. Extended common-mode tolerance and AEC-Q100 qualification ensure robustness on the unfused or lightly fused in-vehicle supply rails typical of zonal drop points.
Recommandé
Industrial Sensor and Actuator Networks
Industrial single-pair Ethernet (SPE) deployments benefit from multidrop 10 Mbps connectivity to sensors and actuators over cost-effective unshielded twisted pair. The DP83TD555J-Q1, though AEC-Q100 automotive-qualified (exceeding industrial requirements), provides the same SPI MAC-PHY simplicity: any MCU with SPI becomes an Ethernet node. Cable fault detection and overtemperature monitoring improve plant maintenance, and TC10 wake/sleep minimizes idle power in battery-powered nodes.
Recommandé
Building Automation and HVAC
Building controllers, dampers, and HVAC sensors often sit on long shared runs where conventional Ethernet switches per node are uneconomical. The DP83TD555J-Q1 supports >25 m multidrop segments with up to 16+ nodes on one unshielded twisted pair, offering IP-native connectivity at CAN-like cabling cost. TC10 sleep with remote data-line wake-up suits periodically active battery-backed devices, and integrated diagnostics detect wiring faults without a field visit.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DP83TD555J-Q1 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DP83TD535-Q1 | DP83TD530-Q1 | TJA1410 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | NXP Semiconductors |
| Standard | IEEE 802.3cg 10BASE-T1S | IEEE 802.3cg 10BASE-T1S | IEEE 802.3cg 10BASE-T1S | 10BASE-T1S OA TC14 |
| Integrated MAC | Yes (OA SPI MAC-PHY) | No (PMD transceiver) | No (PMD transceiver) | No (PMD transceiver) |
| Host Interface | OA-compliant 3-pin SPI | MII-style (host MAC required) | MII-style (host MAC required) | 3-pin OA interface |
| TC10 Wake/Sleep | Yes, remote wake over data line | Yes | Yes | Yes |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified (Grade 1) |
| Diagnostics / TC14 | Cable fault, UV/OT monitoring, TC14 topology discovery | TC10 diagnostics | TC10 diagnostics | TC14 topology discovery |
Principaux différenciateurs
- Integrated Ethernet MAC (OA SPI MAC-PHY) (vs TJA1410)
- Same-family scalability (vs DP83TD535-Q1)
- TC14 topology discovery (vs DP83TD530-Q1)
Notes de conception
Follow TI datasheet layout guidance for the 10BASE-T1S differential pair: keep the MDI traces as a 100-ohm differential pair with matched length, place the coupling network and termination components close to the transceiver pins, and route away from switching-regulator nodes. Solid ground plane under the pair preserves common-mode performance, which is critical for the extended common-mode voltage tolerance specification.
Decouple the transceiver supply with low-ESR ceramic capacitors at each VDD pin per TI datasheet recommendations. The device monitors undervoltage, so ensure the local supply rail remains within spec during cranking and load-dump transients; an upstream AEC-Q100 qualified regulator such as TPS65386x-Q1 is recommended for body-domain ECUs.
TC10 wake/sleep requires all nodes on the segment to implement consistent sleep/wake state machines - a single non-compliant node can keep the bus awake. Validate TC14 topology discovery with the full node count planned for the harness, since >25 m / >16 node reach is channel-dependent per the TI datasheet. Do not exceed the multidrop budget with stubs; stubs degrade signal integrity on the shared bus.
Informations de conformité
AEC-Q100 qualified for automotive per TI datasheet. RoHS/lead-free per standard TI automotive product page data; REACH and halogen-free status not stated in provided data.
