Model No: 88E1512PB2-NNP2I000

Marvell Semiconductor Inc. 88E1512PB2-NNP2I000

Manufacturer: Marvell Semiconductor Inc.
SEMICON NO.: 88E1512PB2-NNP2I000
Package: 56-QFN
Stock: In stock
Description: IC Transceiver 4/4 IEEE 802.3 IEEE 1588
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 Mfr  Marvell Semiconductor Inc. 
 Device Type GbE PHY Transceiver    
 Standards IEEE 802.3az, 802.3ab, 802.3u, 802.3
 Data Rates 10 Mbps, 100 Mbps, 1 Gbps
 Media Support Copper (CAT5), Fiber (1000BASE-X), SFP
 Supported Interfaces RGMII, SGMII
 Timing & Sync  IEEE 1588v2 PTP 
 Supply Voltage (Core) Single 3.3V
 I/O Voltage Standards  1.8V, 2.5V, and 3.3V LVCMOS    
 Operating Temperature -40°C to +85°C
 Package 56-QFN
 Mounting Type
 Surface Mount
 Compliance    
 RoHS Compliant
88E1512PB2-NNP2I000 GbE PHY Transceiver    
The 88E1512PB2-NNP2I000​ is a single-port Gigabit Ethernet PHY transceiver​ from Marvell's Alaska family, housed in a compact 56-pin QFN (8mm x 8mm) package. This industrial-grade device implements the IEEE 802.3 standard for 10/100/1000 Mbps operation over standard CAT5/CAT6 twisted-pair cables. It supports multiple MAC interfaces including RGMII, SGMII, GMII, and MII, offering design flexibility to connect with various SoCs, FPGAs, or switch chips. Key capabilities include IEEE 1588v2 PTP​ for precise timing synchronization, Energy Efficient Ethernet (EEE, 802.3az)​ for low-power idle modes, and advanced Virtual Cable Test (VCT)​ diagnostics to pinpoint cable faults. 
88E1512PB2-NNP2I000Applications
● Industrial Networking:​ Ruggedized Ethernet ports for PLCs, industrial switches, remote I/O modules, and motor drives in manufacturing environments.
● Communications Infrastructure:​ Base stations, routers, and network gateways requiring precise timing synchronization (1588) and reliable long-term operation.
● Embedded Systems:​ Single-board computers, IP cameras, and IoT gateways where space-efficient QFN packaging and low power are critical.
● Automotive & Transportation:​ In-vehicle networking and telematics control units that demand wide temperature tolerance.
Alternative industrial PHY chips
1. 88E1512-A0-NNP2I000:​ The base industrial-grade version from Marvell, offering identical core functionality and temperature rating.
2. 88E1512-A0-NNP2C000:​ A commercial-temperature (0°C to +70°C) variant for cost-sensitive applications like consumer routers and set-top boxes.
3. AR8031-AL1A-R:​ A competitive industrial Gigabit PHY from Qualcomm (formerly Atheros) with similar RGMII/SGMII support and -40°C to +85°C range.
4. DP83822IF:​ Texas Instruments' industrial single-port 10/100 Mbps PHY (not Gigabit) for applications where lower speed and cost are prioritized over maximum bandwidth.