VSC8531XMW-05 Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip VSC8531XMW-05 is a single-channel Gigabit Ethernet PHY supporting 10/100/1000 Mbps speeds, operating from 1 V and 2.5 V supplies in a 48-pin QFN package. Designed for embedded networking, industrial Ethernet, and infrastructure applications. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- VSC8531XMW-05 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5400(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel 10/100/1000 Mbps Ethernet PHY with auto-negotiation for flexible network speed compatibility
- Dual supply operation at 1 V core and 2.5 V I/O reducing power consumption in embedded networking designs
- 48-pin QFN package with exposed pad for compact PCB integration in industrial Ethernet switches and gateways
Applications
The VSC8531XMW-05 is used in single-port Gigabit Ethernet applications including industrial Ethernet controllers, embedded network interface cards, and managed switch line cards requiring 10/100/1000 Mbps auto-negotiation. Its low-power dual-rail supply (1 V core, 2.5 V I/O) makes it suitable for energy-efficient embedded systems, IoT gateways, and automation controllers needing reliable wired Ethernet connectivity. The 48-pin QFN form factor enables dense PCB layouts in space-constrained networking hardware.
Specifications
| Manufacturer Package Code | VQFN-48 |
| Factory Lead Time | 7Weeks |
| YTEOL | 19 |
| Data Rate | 1000000Mbps |
| JESD-30 Code | S-PQCC-N48 |
| Number of Functions | 1 |
| Number of Transceivers | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC48,.24SQ,16 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Supply Voltage-Nom | 1V |
| Surface Mount | YES |
| Telecom IC Type | ETHERNET TRANSCEIVER |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 5A991.B |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What Ethernet speeds does VSC8531XMW-05 support and how does auto-negotiation work in practice?
The VSC8531XMW-05 supports 10 Mbps, 100 Mbps, and 1000 Mbps (Gigabit) Ethernet with IEEE 802.3 auto-negotiation. The PHY automatically detects and selects the highest mutually supported speed with the link partner, enabling seamless compatibility in mixed-speed networks without manual configuration in industrial switches, routers, and embedded Ethernet controllers.
What are the supply voltage requirements for the VSC8531XMW-05 and how do they affect system power budget?
The VSC8531XMW-05 operates from a 1 V core supply for digital logic and a 2.5 V supply for I/O interfaces. The low 1 V core voltage significantly reduces dynamic power dissipation compared to older 3.3 V PHY devices, enabling the VSC8531XMW-05 to be used in battery-powered industrial devices and energy-efficient Gigabit Ethernet designs with tight power budgets.
How does the 48-pin QFN package of VSC8531XMW-05 benefit Gigabit Ethernet PCB layout?
The 48-pin QFN (Quad Flat No-Lead) package of VSC8531XMW-05 has a compact 7 mm x 7 mm footprint with an exposed thermal pad, enabling high-density PCB routing close to MAC or FPGA devices. The exposed pad improves heat dissipation in high-throughput 1000 Mbps applications and reduces the length of high-speed differential trace pairs from PHY to RJ45 magnetics.
Is VSC8531XMW-05 suitable for long-term industrial designs given its lifecycle status?
Yes, the VSC8531XMW-05 has a YTEOL (Years to End of Life) of 19 years, indicating long-term production commitment by Microchip. This extended lifecycle assurance is critical for industrial automation controllers, SCADA equipment, and embedded Ethernet gateways designed for 10+ year deployment cycles where component re-qualification is costly.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.6140 | $3.61 |
| 4+ | $3.0772 | $12.31 |
| 8+ | $3.0615 | $24.49 |
| 16+ | $2.9250 | $46.80 |
| 100+ | $2.7500 | $275.00 |
| 1000+ | $2.5400 | $2540.00 |
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