New single-pair Ethernet PHY extends reach of factory and building automation applications
Texas Instruments (Nasdaq: TXN) has launched the DP83TD510E, an Ethernet PHY capable of transmitting 10-Mbps signals up to 1.7 km via a single twisted wire pair. This exceeds the IEEE 802.3cg 10BASE-T1L specification by 1.5 km, facilitating industrial communication without added costs. The device supports full-duplex data transfer, enhancing system interoperability in applications like automation, HVAC controls, and safety systems. Priced at US$3.20 per unit, pre-production versions are available now, with full production expected in early 2021.
- Launch of DP83TD510E expands product portfolio with advanced Ethernet PHY technology.
- Extended transmission distance of 1.7 km enhances industrial applications without additional costs.
- Supports low power consumption (< 45 mW), offering efficiency benefits in system designs.
- None.
DALLAS, Oct. 7, 2020 /PRNewswire/ -- Texas Instruments (TI) (Nasdaq: TXN) today introduced a new Ethernet physical layer (PHY) capable of transmitting 10-Mbps Ethernet signals up to 1.7 km through a single pair of twisted wires. The extended cable reach of the DP83TD510E is 1.5 km more than the 200-m requirement of the Institute of Electrical and Electronics Engineers (IEEE) 802.3cg 10BASE-T1L single-pair Ethernet specification. This additional cable length helps designers extend the reach of industrial communications without increasing system weight or cabling costs. For more information, see www.ti.com/DP83TD510E-pr.
Learn more about the 10BASE-T1L specification in the technical article, "How 10BASE-T1L single-pair Ethernet brings the network edge closer with fewer cables."
Meet the higher-bandwidth demands of long-distance communications
As the complexity of factory and building automation systems continues to grow, so does the need to transmit more data to and from nodes at the network edge. The ability to directly access edge-node applications can improve control and status monitoring while also streamlining data sharing between networked systems.
Current solutions for bringing connectivity to edge nodes often use a fragmented system of multiple fieldbus protocols supported by protocol conversion through network gateways. Unifying networks through protocol conversion increases complexity and cost while also limiting the ability to remotely monitor edge-node applications.
The DP83TD510E helps designers implement a single communications network, from controller to edge node, that is capable of transmitting full-duplex data over a single pair of twisted wires. By eliminating the need for additional protocols, gateways and cables for higher-bandwidth communications, designers can simplify network management while improving system control and interoperability in long-distance applications including HVAC valve and actuator control, field transmitters, elevator main controls and fire alarm control panels.
Read the technical white paper, "Leveraging Single-Pair Ethernet in Building Automation," to learn how 10BASE-T1L Ethernet PHYs can increase connectivity in building automation designs.
When upgrading to single-pair Ethernet from two-wire fieldbus technologies, such as 4- to 20-mA current loops, designers can further streamline network design and reduce installation costs by reusing existing two-wire fieldbus infrastructure for data and power transmission.
Implement Ethernet connectivity in intrinsically safe systems
The DP83TD510E is designed for use in intrinsically safe Ethernet advanced physical layer (APL) systems. Ethernet-APL is an Ethernet specification based on the IEEE 802.3.cg 10BASE-T1L standard and was developed to streamline implementation of Ethernet networking in process automation systems with intrinsic safety requirements.
A key design consideration of intrinsically safe Ethernet-APL systems – especially systems designed for use in hazardous environments with explosive potential – is the ability to reduce Ethernet PHY power levels and temperature during system failure conditions. By supporting external termination resistors, the DP83TD510E can reduce inrush current and maintain lower operating temperatures when used in long-distance process automation applications, such as field transmitters.
In addition to helping designers more easily meet their intrinsic safety requirements, the DP83TD510E's ultra-low power consumption of less than 45 mW at 1 V p2p provides additional power margin that can be reallocated to other critical circuits for increased system performance.
Package, availability and pricing
Pre-production versions of the DP83TD510E are available now, only on TI.com, in a 32-pin quad flat no-lead (QFN) package. Pricing starts at US
Find the right single-pair Ethernet PHY to meet system design needs
The DP83TD510E joins a growing portfolio of Ethernet PHY transceivers that supports all single-pair Ethernet specification categories. This portfolio includes the new DP83TG720S-Q1 IEEE 802.3.bp 1000BASE-T1 automotive Ethernet PHY for gigabit communications and the DP83TC811R-Q1 IEEE 802.3.bw 100BASE-T1 automotive Ethernet PHY for 100-Mbps communications.
About Texas Instruments
Texas Instruments Incorporated (Nasdaq: TXN) is a global semiconductor company that designs, manufactures, tests and sells analog and embedded processing chips for markets such as industrial, automotive, personal electronics, communications equipment and enterprise systems. Our passion to create a better world by making electronics more affordable through semiconductors is alive today, as each generation of innovation builds upon the last to make our technology smaller, more efficient, more reliable and more affordable – making it possible for semiconductors to go into electronics everywhere. We think of this as Engineering Progress. It's what we do and have been doing for decades. Learn more at TI.com.
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