DP83826ERHBR - 10/100 Ethernet PHY | Texas Instruments
MPN: DP83826ERHBR ✓ פעילDP83826ERHBR סקירה
An Ethernet PHY is the physical-layer component that translates digital Ethernet data into signals suitable for copper cabling and recovers incoming signals from the cable. In the product hierarchy, the DP83826ERHBR is an Ethernet transceiver, then a network interface controller, then an interface IC, and ultimately an integrated semiconductor. It connects an embedded system or processor to a 10BASE-T or 100BASE-TX Ethernet network while leaving higher-layer protocol processing to the host controller.
The device supports 10/100 Mbps operation, low-latency packet handling, MII and RMII host interfaces, and an enhanced operating mode. The manufacturer identifies it as a deterministic industrial Ethernet PHY, while verified distributor information identifies a 1.8 V / 3.3 V supply configuration. Its 32-VQFN RHB package supports compact designs but requires careful exposed-pad thermal management, high-speed layout discipline, and correctly implemented magnetic-interface circuitry.
The DP83826ERHBR family is positioned for industrial Ethernet, fieldbus equipment, factory automation, industrial switches, and embedded control systems. Deterministic latency is especially valuable where predictable network response matters more than maximum aggregate throughput. The part supports copper Ethernet at 10 Mbps or 100 Mbps rather than gigabit rates, making it appropriate for legacy 10/100 infrastructure and cost-sensitive embedded links.
The 5 x 5 mm RHB package uses an exposed thermal pad for improved heat transfer. Designers should follow the manufacturer's recommended power, decoupling, magnetic-component, and four-pair-differential-layout guidance because small package size alone does not guarantee signal integrity or adequate thermal performance.
This page consolidates verified manufacturer and distributor information, package and lifecycle details, price data as of 2026-10-30, candidate drop-in comparisons, and practical engineering considerations. Candidate alternatives remain subject to pin-function, clocking, magnetic-interface, and firmware validation before PCB substitution.
חלופות תחליף ישיר עבור DP83826ERHBR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם DP83826ERHBR (אותו גורם צורה וטביעת רגל) — שונים ב Package, Product Type, Data Rate, Host Interface, Latency Characteristic.
DP83826IRHBR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DP83822IRHBR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DP83822IFRHBR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DP83826ERHBR מפרטים
| Product Type | 10/100 Mbps Industrial Ethernet PHY Transceiver |
| Data Rate Support | 10 Mbps and 100 Mbps |
| Host Interface | MII, RMII, and enhanced mode |
| מתח אספקה | 1.8 V / 3.3 V |
| טווח טמפרטורת פעולה | -40°C to +105°C |
| מארז | 32-pin VQFN (RHB), 5 x 5 mm |
| סוג הרכבה | Surface Mount |
| Packaging | Tape & Reel |
| Ethernet Standard Support | 10BASE-T and 100BASE-TX |
| Latency Characteristic | Low latency and deterministic |
| Power Characteristic | Low power |
| Target Application | Industrial Ethernet |
| EtherCAT Compliance | Compliant |
| סטטוס RoHS | Compliant |
| Manufacturer Datasheet Length | 112 pages |
| Manufacturer Datasheet File Size | 2 MB |
מדריך תצורת פינים של DP83826ERHBR 32-pin vqfn (rhb), 5 x 5 mm
תצורת פינים עבור DP83826ERHBR (מארזת 32-pin vqfn (rhb), 5 x 5 mm). מספרי פינים, פונקציות ותרשימי חיבורים מוגדרים ב-Datasheet של היצרן. יש לעיין בו לקבלת ה-footprint המדויק והנחיות הלחמה.
אין נתוני פריסת פינים מפורטים עבור DP83826ERHBR.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
DP83826ERHBR מתאים עבור 6 יישוםs: Industrial Factory Automation, Fieldbus Edge Devices, Embedded Control Platforms, Industrial Ethernet Switch Ports, Building Access and Security Equipment, Industrial HMI and Data Acquisition.
Industrial Factory Automation
The DP83826ERHBR fits factory automation links that require a 10/100 Mbps copper Ethernet connection with predictable response time. Its -40°C to +105°C operating range accommodates equipment rooms, production cells, and industrial cabinets where consumer-temperature PHYs may be unsuitable. The MII and RMII interfaces allow connection to a capable host controller without implementing the physical layer in an FPGA. When used behind the manufacturer-recommended magnetic network, the PHY supports 10BASE-T and 100BASE-TX traffic while keeping board area manageable in a 5 x 5 mm RHB package. Design validation should include worst-case latency, startup behavior, cable faults, and recovery testing across the full temperature range.
מומלץ
Fieldbus Edge Devices
The DP83826ERHBR is suitable for fieldbus gateways and industrial edge equipment that bridge a real-time network onto 10/100 Mbps Ethernet. Deterministic, low-latency operation is valuable when cyclic or event-driven data must reach an upstream controller within a predictable interval, while the industrial temperature range supports deployment near machinery. The PHY provides the copper physical layer; a host controller handles protocols, routing, and device management. A robust implementation should validate timeout behavior under sustained traffic, 100BASE-TX autos negotiation, magnetic-component selection, and uninterrupted operation across temperature extremes before field installation.
מומלץ
Embedded Control Platforms
DP83826ERHBR can add legacy 10/100 Mbps Ethernet connectivity to an embedded controller, industrial HMI, or compact data-acquisition platform. RMII reduces host interconnect requirements compared with a full parallel MII implementation, although the selected controller must match its clock and signaling expectations exactly. The device is better suited to deterministic 10/100 links than to bandwidth-heavy modern networks, making it appropriate for supervisory traffic, configuration access, and supervisory control and data acquisition. Production validation should check boot-time link establishment, error counters, cable-length margin, and recovery after unplugging the network cable.
מומלץ
Industrial Ethernet Switch Ports
DP83826ERHBR can serve as the copper-facing element of a compact industrial switch or dual-port network bridge operating at 10/100 Mbps. Its low-latency behavior and extended temperature range are useful in managed industrial network equipment where deterministic forwarding and operation near heat sources are important. The PHY's MII interface allows connection to switching silicon, while RMII can serve lower-pin-count controller designs. Careful PCB design remains essential: maintain short controlled-impedance traces, provide a continuous ground reference, isolate supply and digital return currents, and follow the approved magnetic-interface and line-driver layout to preserve Ethernet signal integrity.
מומלץ
Building Access and Security Equipment
DP83826ERHBR is applicable to access-control terminals, security equipment, and building-network nodes that use 10/100 Mbps Ethernet rather than gigabit links. Its -40°C to +105°C range helps accommodate unheated enclosures and equipment near heat-producing power systems. Low-latency behavior is useful for door controllers, credential readers, and supervisory panels that need responsive network access. The design must still meet applicable installation and environmental requirements, and engineers should verify isolation, surge exposure, cable grounding, and magnetic-component layout in the final enclosure rather than treating the PHY specification as a complete system EMC solution.
מומלץ
Industrial HMI and Data Acquisition
The DP83826ERHBR supports industrial human-machine interfaces and compact data-acquisition systems that require an Ethernet management and supervisory-data path at 10/100 Mbps. The PHY's enhanced mode and low-latency operation can benefit communication with host software where short response intervals are important. Its small RHB package helps preserve board area in compact panels, while MII or RMII permits integration with a range of embedded processors. Designers should evaluate data bursts during acquisition uploads, autos-negotiation behavior, clock jitter tolerance, and temperature-dependent retraining, and should follow the manufacturer layout examples to avoid compromising the differential Ethernet channel.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DP83826ERHBR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DP83826IRHBR | DP83822IRHBR | DP83822IFRHBR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 32-VQFN (RHB) 5x5 mm | 32-VQFN (RHB) 5x5 mm | 32-VQFN (RHB) 5x5 mm | 32-VQFN (RHB) 5x5 mm |
| Ethernet Data Rate | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps |
| Product Function | Industrial Ethernet PHY | DP83826-family Ethernet PHY | DP83822-family Ethernet PHY | DP83822-family Ethernet PHY |
| Pin Compatibility | Reference design | Requires full pin and configuration validation | Requires full pin and timing validation | Requires full pin and timing validation |
מבדילים עיקריים
- Specified industrial temperature operation (לעומתDP83826IRHBR)
- Same-family configuration path (לעומתDP83822IRHBR)
- Deterministic 10/100 Mbps positioning (לעומתDP83822IFRHBR)
הערות תכנון
Place the PHY, its decoupling network, and the Ethernet magnetic component in accordance with the manufacturer's reference layout. Keep the 100BASE-TX differential pairs continuous, impedance controlled, and free of stubs, with symmetrical routing and a continuous ground reference beneath the pair. The verified TI E2E discussion identifies a discrepancy between the DP83826ERHBR datasheet and SNLA344A concerning center-tap and PHY-magnetics capacitor values, so engineers should confirm the latest manufacturer guidance rather than combining values from different documents.
Verify the approved 1.8 V / 3.3 V supply topology, rail sequencing, voltage tolerances, and capacitor placement directly from the manufacturer datasheet. Place high-frequency decoupling immediately across the relevant supply and ground pins and avoid routing return current through the analog or Ethernet line-driver areas. Because exact ripple, current, and maximum total power-dissipation values are not present in the supplied data, do not infer thermal margin from supply-voltage labels alone; calculate dissipation from the confirmed operating mode and use the exposed pad as directed.
The 32-VQFN RHB package requires attention to its exposed thermal pad and surrounding copper. Follow the datasheet land pattern, thermal-via recommendation, and reflow profile exactly. Provide uninterrupted ground-plane area beneath and around the PHY where permitted by the footprint, while avoiding thermally isolated copper islands. At the extreme +105°C ambient rating, calculate actual junction temperature from verified dissipation and the applicable package thermal metric; a design that relies only on ambient rating can exceed safe operating limits.
Validate MII and RMII timing against the selected host controller, including reference-clock tolerance, trace length, skew, I/O drive settings, and any required series termination. For RMII implementations, confirm the source and destination of the 50 MHz reference clock rather than assuming either side supplies it. For copper Ethernet, use the approved magnetic network and line-driver layout, maintain pair symmetry, and test at the longest supported cable length with the intended connector and cabling system.
מידע על תאימות
RoHS compliance is explicitly reported in the verified IC Components product listing. The supplied data does not confirm REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. EtherCAT compliance is reported by a verified product article but should be confirmed in current manufacturer documentation before it is used as a system-level compliance claim.
