W6300-L - IPv4/IPv6 Hardwired TCP/IP Ethernet Chip | WIZnet
部品番号: W6300-L ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.64 | $1,820.00 |
| 1,000 | $3.12 | $3,120.00 |
W6300-L 概要
A hardwired TCP/IP controller is a type of offload engine (TOE - TCP/IP Offload Engine) in the broader hierarchy of network interface ICs. Unlike software stacks running on a host MCU, a hardware protocol stack offloads TCP, UDP, ICMP, ARP, and related processing from the main processor, so even a small 8-bit MCU can implement reliable network connectivity with minimal firmware overhead and deterministic timing. This makes the category essential for industrial automation, IoT gateways, and embedded networking nodes.
Key features of the W6300-L include the dual IPv4/v6 hardware stack, which sets it apart from WIZnet's earlier IPv4-only devices; multiple independent hardware sockets for simultaneous connections; a high-speed host interface for fast data throughput; and low-power operation modes for energy-sensitive designs. According to the WIZnet product page, the chip combines high-speed Ethernet performance with advanced power efficiency.
Technically, the W6300 continues WIZnet's well-established W-series architecture: socket registers, internal TX/RX buffers, PHY, and MAC are all integrated, so designers need only an external RJ45 magnetics jack and a host MCU to complete the network node. The hardware stack eliminates porting, memory-footprint, and real-time concerns associated with software TCP/IP stacks such as lwIP.
Typical applications include industrial automation and factory networking, IoT gateways bridging field devices to cloud backends, and embedded equipment requiring IPv6 readiness for modern network infrastructure.
For design consideration, verify host-interface timing against your MCU's SPI or bus clock, and follow the WIZnet reference schematic for magnetics, crystal, and decoupling placement to guarantee PHY signal integrity.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and AEO-optimized FAQs not found in the manufacturer datasheet.
ドロップイン代替品: W6300-L — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
W6300
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
W6300-L 仕様
| Product Type | Hardwired TCP/IP Ethernet Controller (TOE) |
| Protocol Stack | Dual IPv4/IPv6 hardware stack |
| Ethernet Speed | 10/100 Mbps |
| Number of Sockets | 8 (hardware sockets) |
| Host Interface | High-speed host interface (QSPI/serial/parallel) |
| MAC/PHY Integration | Integrated MAC and 10/100 Ethernet PHY |
| パッケージ | LQFP-48-EP, 7 x 7 mm |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
| Power Modes | Advanced power efficiency modes (per manufacturer) |
W6300-L lqfp-48-ep, 7 x 7 mm ピン配置ガイド
W6300-L (lqfp-48-ep, 7 x 7 mm パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: W6300-L.
詳細は データシート をご参照ください。
主な用途
W6300-L の用途: 6 件s: Industrial Automation Networking, IoT Gateways, Embedded Equipment Ethernet Ports, Smart Building and HVAC Controllers, Security and Surveillance Network Interfaces, Energy and Smart Metering Backhaul.
Industrial Automation Networking
The W6300-L fits industrial automation nodes because its hardwired TCP/IP stack delivers deterministic, jitter-free TCP/UDP processing independent of host MCU load - a property software stacks cannot guarantee on small processors. With dual IPv4/IPv6 support, 10/100 Mbps throughput, and multiple hardware sockets, a single chip can sustain simultaneous PLC, SCADA, and diagnostic connections. The chip is placed between the host MCU and an RJ45 magnetics jack; the hardware stack offloads all protocol handling, freeing MCU cycles for control logic. The LQFP-48-EP package and RoHS compliance support standard industrial SMT assembly.
おすすめ
IoT Gateways
IoT gateways bridge constrained field devices to cloud backends, and the W6300-L suits this role with its dual IPv4/IPv6 hardware stack - increasingly mandatory as carriers and enterprises migrate to IPv6. The high-speed host interface feeds sensor aggregates upstream at 10/100 Mbps, while multiple hardware sockets allow simultaneous MQTT, HTTP, and OTA-update channels without software stack memory pressure. Power-efficiency modes benefit gateways on auxiliary or solar power. Designers typically connect the W6300 to the gateway MCU's high-speed interface and an external magnetics RJ45, keeping the BOM to chip plus jack.
おすすめ
Embedded Equipment Ethernet Ports
Adding a network port to embedded equipment (test instruments, kiosks, building controllers) is the classic WIZnet TOE use case, and the W6300-L minimizes engineering effort: no software TCP/IP stack to port, no lwIP memory tuning, no real-time pitfalls. The integrated MAC and PHY reduce BOM count versus discrete solutions - only magnetics, crystal, and decoupling are added. The 10/100 Mbps rate comfortably serves configuration web servers, firmware updates, and telemetry. Because the stack is in silicon, even an 8-bit or entry-level Cortex-M0 host can offer full networking, shortening development cycles substantially.
おすすめ
Smart Building and HVAC Controllers
Building automation controllers benefit from the W6300-L's IPv6 readiness, since municipal and enterprise networks increasingly mandate IPv6 addressing for permanently installed equipment. The hardware sockets allow a controller to serve BACnet/IP-style messaging, web dashboards, and remote diagnostics concurrently. Deterministic hardware protocol processing avoids the variable latency of software stacks, which matters for scheduled control loops reporting over the network. The chip sits between the controller MCU and RJ45 magnetics; power-efficiency modes reduce standby draw in always-installed but lightly loaded devices, supporting green-building energy targets.
おすすめ
Security and Surveillance Network Interfaces
Security panels, access controllers, and NVR auxiliary interfaces need reliable always-on connectivity, and the W6300-L provides it with a hardware TCP/IP stack immune to software-stack crashes or memory leaks - an availability advantage for security-rated equipment. Dual IPv4/IPv6 support satisfies modern campus networks, and multiple hardware sockets let a device maintain a monitoring heartbeat, event-upload channel, and local configuration server simultaneously at 10/100 Mbps. The integrated PHY plus external magnetics keeps the analog front end short and clean on the PCB, easing EMC compliance in metal-enclosure security hardware.
おすすめ
Energy and Smart Metering Backhaul
Smart meters and energy gateways require long-life, low-maintenance connectivity, and the W6300-L's hardwired stack delivers protocol reliability without firmware-stack maintenance over a 15+ year service life. IPv6 support is frequently specified in utility network rollouts, and the W6300-L provides it natively in hardware. Power-efficiency modes reduce standby consumption between metering intervals. The 10/100 Mbps interface handles DLMS/COSEM-over-TCP or MQTT telemetry easily, and the multiple hardware sockets allow separate channels for metrology data streams and remote firmware campaigns, isolating update traffic from measurement reporting.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: W6300-L — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | W6300 |
|---|---|---|
| Package | LQFP-48-EP (7x7 mm) | LQFP-48-EP (7x7 mm) - same |
| Brand | WIZnet | WIZnet |
| Protocol Stack | Dual IPv4/IPv6 hardware | Dual IPv4/IPv6 hardware |
| Ethernet Speed | 10/100 Mbps | 10/100 Mbps |
| Hardware Sockets | 8 | 8 |
| Host Interface | High-speed interface (QSPI/serial/parallel) | High-speed interface (QSPI/serial/parallel) |
| MAC + PHY Integrated | Yes | Yes |
| RoHS Compliance | Compliant | Compliant |
主な差別化要因
- Native dual IPv4/IPv6 hardware stack （vs W5500)
- Higher-speed host interface than prior generation （vs W5500)
- Software-stack-free determinism vs MCU software TCP/IP （vs Generic MCU + lwIP software stack)
設計ノート
Place the W6300-L's PHY side as close to the RJ45 magnetics jack as practical and keep TX/RX pairs as matched-length differential traces over a continuous ground plane. Follow the WIZnet reference schematic in the official datasheet for magnetics selection, 49.9-ohm PHY termination resistors, and decoupling capacitor placement at each VDD pin. Add a solid keep-out under the crystal to keep stray capacitance within spec.
Provide clean, well-decoupled supply rails per the datasheet power pin grouping; the integrated PHY is sensitive to supply ripple, which shows up as Ethernet eye-diagram degradation. Estimated: budget roughly 200-300 mA at 3.3 V for active link operation as a starting point, then confirm against the datasheet current-consumption table for your exact PHY mode and speed before finalizing the regulator sizing.
Do not assume register-level compatibility with W5500 firmware: although both are WIZnet socket-register TOEs, the W6300's dual IPv4/IPv6 stack and high-speed host interface use a different register map and interface protocol. Porting requires updating drivers to the W6300 register definitions in the official datasheet, and the reset/boot pin sequence must be respected per the datasheet timing requirements.
コンプライアンス情報
RoHS compliance stated in JLCPCB part listing (LQFP-48-EP SMT ROHS). Other compliance statuses not found in provided data.
