DP83848YBX/NOPB - 10/100 Ethernet PHY | Texas Instruments
Артикул: DP83848YBX/NOPB ✓ АктивенDP83848YBX/NOPB Обзор
An Ethernet PHY is the physical-layer component in a wired network interface. It converts logical data transmitted by a MAC or controller into electrical signaling for an Ethernet cable, and converts received cable signals back into digital data. A 10/100-Mbps PHY supports both 10 Mb/s and 100 Mb/s Ethernet operation, allowing the connected system to negotiate the line speed supported by the network and remote equipment.
The DP83848YBX/NOPB combines a 10/100-Mbps Ethernet PHY, JTAG support, and extended-temperature capability in one integrated component. JTAG access supports boundary-scan and production-test workflows, while the extended-temperature grade is useful for industrial equipment, factory automation, communications equipment, and other systems that operate beyond a typical commercial temperature range. The package also provides a large exposed pad suitable for controlled thermal dissipation on multilayer PCB designs.
The PHY requires a suitable digital host interface and power implementation around the IC. Its MII and RMII-related connections provide the physical interface between the PHY and the Ethernet MAC controller. The copper connection is made through transformer-coupled magnetic components, which provide galvanic isolation and impedance matching between the PHY and the network medium. Board layout must therefore account for high-speed digital signals, controlled return paths, and the isolation boundary at the network side.
DP83848YBX/NOPB is appropriate for embedded Ethernet ports, industrial controllers, factory automation systems, communications equipment, test systems, and network-access appliances. It is most suitable when a board already uses a TI-compatible 48-pin HLQFP footprint and requires a 10/100-Mbps PHY rather than a 1000-Mbps Ethernet transceiver. The product page and manufacturer documentation should be consulted for the exact pin assignments, recommended magnetic component, decoupling network, media-interface details, and power-sequencing requirements before PCB release.
Аналоги без доработки для DP83848YBX/NOPB — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с DP83848YBX/NOPB (тот же форм-фактор и посадочное место) — отличается по Product Type, Maximum Link Rate, Package, Supply Voltage.
DP83848YB/NOPB
✅ Прямая заменаУточнить цену
Открыть даташит →DP83848YBX
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
DP83848CVV/NOPB
✅ Прямая заменаУточнить цену
Открыть даташит →DP83848IVV/NOPB
✅ Прямая заменаУточнить цену
Открыть даташит →DP83848YB/NOPB
✅ Прямая заменаУточнить цену
Открыть даташит →DP83848YBX/NOPB Характеристики
| Product Type | 10/100-Mbps Ethernet physical-layer transceiver |
| Supported Ethernet Speeds | 10 Mb/s and 100 Mb/s |
| Напряжение питания | 3 V to 3.6 V |
| Корпус | 48-pin HLQFP (PTB), 7 mm x 7 mm |
| Число выводов | 48 pins plus exposed thermal pad |
| Temperature Range | -40 C to +125 C |
| Debug and Test Support | JTAG |
| Ethernet Port Count | 1 port |
| Тип монтажа | Surface mount |
| Manufacturer | Texas Instruments |
| Product Family | DP83848 |
| Device Classification | PHY transceiver |
| Maximum Link Rate | 100 Mb/s |
| Minimum Link Rate | 10 Mb/s |
| Termination Style | Gull wing |
| Package Shape | Square |
Руководство по цоколевке DP83848YBX/NOPB в корпусе square
Цоколевка для DP83848YBX/NOPB (корпус square). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для DP83848YBX/NOPB.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
DP83848YBX/NOPB подходит для 6 применениеs: Industrial Ethernet Controller, Factory Automation Gateway, Network Access Appliance, Communications Equipment, Embedded Test and Measurement, Automotive or Ruggedized Ethernet Equipment.
Industrial Ethernet Controller
The DP83848YBX/NOPB fits an industrial controller that requires a dedicated 10/100-Mbps Ethernet physical layer alongside a host processor or communications controller. Its 3 V to 3.6 V supply range and -40 C to +125 C operating grade support equipment operating across extended industrial temperature conditions. JTAG support is useful for board-level test and debug, while the 48-pin HLQFP (PTB) package provides an exposed thermal pad for PCB-based heat spreading. The implementation should follow the manufacturer reference circuit, including the host interface timing, power decoupling, clock requirements, and transformer-coupled network connection.
Рекомендуется
Factory Automation Gateway
A factory automation gateway can use DP83848YBX/NOPB to add a 10/100-Mbps copper Ethernet connection for supervisory control, configuration, and telemetry. The extended -40 C to +125 C range is aligned with equipment placed near machinery and production cells, while JTAG assists production diagnostics. The PHY should be paired with a suitable Ethernet controller and isolation magnetics, with the PCB layout separating host-side digital signals from the network-side copper interface. Thermal performance depends on correct exposed-pad assembly and the copper area defined by the manufacturer layout guidance.
Рекомендуется
Network Access Appliance
DP83848YBX/NOPB is appropriate for a network-access appliance that needs a conventional 10/100-Mbps Ethernet port rather than a gigabit interface. The one-port PHY connects to a host MAC through its digital interface and to a copper network through transformer-coupled magnetic components. Its 3 V to 3.6 V operation is compatible with common 3.3 V system rails, and JTAG provides a useful production-test path. Board designers should follow the exact reference schematic and pin-assignment tables because clocking, reset, strap configuration, and exposed-pad grounding are critical to reliable operation.
Рекомендуется
Communications Equipment
The DP83848YBX/NOPB can provide 10/100-Mbps Ethernet connectivity in communications equipment requiring an extended-temperature PHY. It is suited to embedded management ports, status-reporting links, and service interfaces where the link speed is limited to Fast Ethernet. The device combines JTAG test support with a 48-pin HLQFP (PTB) package, making it practical for controlled production environments and multilayer PCB assembly. Designers must provide the required magnetic interface components, a compliant network termination arrangement, and low-impedance supply and ground connections according to the manufacturer reference design.
Рекомендуется
Embedded Test and Measurement
DP83848YBX/NOPB is useful in embedded test and measurement products that require an Ethernet control or data port and broad internal temperature tolerance. JTAG support assists firmware development, boundary access, and production testing, while the 10/100-Mbps PHY can connect to instrumentation controllers or service laptops. The exposed-pad HLQFP package benefits from a thermal layout based on the manufacturer recommendations. Interface timing, clock requirements, reset sequencing, and network-magnetics selection should be taken directly from the exact DP83848 family documentation before schematic capture.
Рекомендуется
Automotive or Ruggedized Ethernet Equipment
DP83848YBX/NOPB may be evaluated for ruggedized equipment requiring a copper 10/100-Mbps Ethernet connection over an extended operating-temperature range. Its JTAG interface supports controlled production diagnostics, and the 48-pin HLQFP (PTB) format is practical for multilayer industrial or high-reliability equipment boards. The design must still establish the required automotive or environmental qualification for the finished system and any individual components. Review the exact ordering table, temperature characterization, EMC design guidance, and exposed-pad thermal requirements before approving the part for a safety- or mission-critical environment.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DP83848YBX/NOPB — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DP83848YB/NOPB | DP83848YBX | DP83848CVV/NOPB | DP83848IVV/NOPB |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 48-pin HLQFP (PTB) | 48-pin HLQFP (PTB) | 48-pin HLQFP (PTB) | 48-pin HLQFP (PTB) | 48-pin HLQFP (PTB) |
| Ethernet Speed | 10/100 Mb/s | 10/100 Mb/s | 10/100 Mb/s | 10/100 Mb/s | 10/100 Mb/s |
Ключевые отличия
- Extended-temperature operation in the exact X ordering option (против DP83848YB/NOPB)
- Single 10/100-Mbps port with JTAG diagnostic access (против DP83848CVV/NOPB)
- Integrated test interface for production and debug workflows (против DP83848IVV/NOPB)
Заметки по проектированию
The DP83848YBX/NOPB uses a 48-pin HLQFP (PTB) package with an exposed thermal pad. Follow the manufacturer land-pattern and exposed-pad guidance, including the specified pad geometry, solder mask, and thermal-via arrangement. Thermal performance depends on the completed PCB copper area, nearby components, airflow, and board construction, so validate the assembled design at the highest expected ambient temperature.
Place the PHY, crystal or clock components, and decoupling capacitors in accordance with the manufacturer reference layout. Keep the supply and ground connections short, use a low-impedance ground plane, and minimize loop area between the PHY and its local capacitors. Preserve continuous return paths beneath high-speed host-interface traces and observe the isolation boundary around the transformer-coupled copper network interface.
Do not treat every DP83848 ordering suffix as automatically interchangeable. Confirm the package, pin names, temperature range, clocking method, reset behavior, strap configuration, and JTAG connections against the exact manufacturer documentation for DP83848YBX/NOPB. If replacing a board-level design, compare every pin rather than relying only on the 48-pin package count or the common PHY family name.
The network side uses transformer-coupled magnetic components to provide isolation and impedance matching. Follow the exact reference schematic and component selection guidance for the PHY, magnetics, termination network, and connector or cable interface. Avoid routing network-side conductors beneath sensitive host-side circuitry, and maintain the recommended separation between the isolated copper interface and the rest of the board.
The exposed pad is an electrical and thermal feature and must not be treated as an unconnected mechanical area. Apply the manufacturer-recommended footprint, solder-mask treatment, via pattern, and assembly process. Incorrect pad construction can impair heat transfer, ground continuity, assembly yield, or long-term reliability even when the nominal 48-pin package and all external signal assignments are correct.
Информация о соответствии
Compliance status was not established by the manufacturer page text. The NOPB ordering suffix identifies the lead-free finish associated with the ordering code, but individual compliance declarations must be confirmed from the current manufacturer product documentation.
