Switches
Medical switching power supplies just what the doctor ordered
C
onrad Business Supplies addresses B2B customer requirements in the medical area with Traco Power’s open-frame, switching power supply series TPP 15 and TPP 30 with 15W and 30W output respectively.
Each series comprises eight models with input voltages ranging from 85 to 264VAC and 120 to 370VDC and output voltages ranging from 3.3 to 48VDC.
The built-in switching power supplies
have reinforced insulation, are tested according to the latest medical safety standards IEC/EN/ES 60601-1, 3rd edition and meet protection classes I and II. The isolation is designed for 2xMOPP (means of patient protection) requirements up to an operating altitude of 5,000m (normal height null – NHN). Leakage current is less than 100 A, which simplifies the use for Body Floating (BF) applications.
Interference resistance and noise emission of the switching power supplies comply with the latest EMC medical standard EN 60601-1-2, 4th edition. “Thanks to their excellent efficiency of up to 91.5 per cent, the AC/DC switching power supplies offer a high-power density in its 1in x 2.6in format, making them suitable for medical applications where space is limited,” says Sebastian Fischer from Traco Electronic. Susanne Storch, head of product groups
measurement, environmental measurement, power supplies at Conrad Business Supplies, adds: “B2B customers in the medical sector who need a compact, high-quality switching power supply, with a temperature range of -40 to +60°C at full load and up to +85°C with 50 per cent load reduction, will be very pleased with the TPP series from Traco Electronic.”
Switches built on power over Ethernet Plus
The compact, open- frame switched-mode power supply series TPP 30 comprises eight versions with output voltages from 3.3 to 48V
During the design of the switching power supply series TPP 15 and TPP 30, high-quality standards played an important role in the development. As the production of the TPP series meets these high standards,
they are delivered with a five-year warranty.
A complete overview of Traco Power’s portfolio can be found on Conrad’s website.
www.conrad.com
Packet switches 2.0 for 5G
D B
elden, provider of signal transmission solutions for mission-critical applications, have launched its new Spider III PoE standard line of entry-level rail switches. Highly flexible and configurable, these switches are built on Power over Ethernet Plus (PoE+), enabling industrial engineers to supply greater power to more network devices and ensure high-quality, reliable communication. “As Industry 4.0 environments and intelligent capabilities become the norm for industrial sectors, the demand to source network power from one cable is much higher,” says Daniel Klier, product manager at Belden. “The Spider III PoE Standard switches were designed so that engineers can manage all their devices with one source of cabling, and work more effectively in tighter spaces.” With the Spider III PoE standard line switches, industrial engineers can meet diverse network needs and data transfer requirements. Specific benefits include an increased performance and reduction in lifecycle costs with PoE+ for greater power
40 March 2019
to more devices, without requiring an external power supply. Another benefit is that you can enable flexible network expansion with configurable fibre and copper port options, to meet specific industrial needs. It can protect network resiliency in harsh environments with metal enclosure and IP30 protection class rating whilst maximising network uptime with plug and play functionalities that make installation and maintenance easy, without any tools.
The entry-level rail switches of the Spider III PoE Standard Line are shock, vibration and interference resistant, making them ideal for a variety of harsh industrial applications, such as automated systems in factories, processing plants, traffic control, video surveillance and building technology. Industrial engineers working in the manufacturing, machine building, automotive and mechanical and plant engineering industries will benefit from the new devices as they reduce the amount of cabling needed in tight operating spaces.
www.belden.com Components in Electronics
iodes, manufacturer and supplier of high-quality application specific standard products within
the broad discrete, logic, analog and mixed-signal semiconductor markets, have extended its line of PCI Express (PCIe) Gen 2.0 solutions with four new 3 and 4 port, 4 lane packet switches, designed to meet the needs of 5G, IoT, and AI networks. They are well suited for applications such as 5G/LTE, Wi-Fi routers, STB, security systems, IPC, NAS and other power-sensitive, high- performance networks. The PI7C9X2G304SV, PI7C9X2G304EV, PI7C9X2G404SV, and PI7C9X2G404EV, featuring integrated clock buffers, provide cost-effective, low-power solutions to increase the fan-out of a PCIe port on application processors, SoCs, FPGAs, and chipsets targeting the embedded, networking, storage, PC, and consumer sectors. The PI7C9X2G304SV and PI7C9X2G304EV offer 3 ports/4 lanes, while the PI7C9X2G404SV and PI7C9X2G404EV provide 4 ports/4 lanes. All of the devices are compliant with: PCIe base specification (revision 2.1), PCIe CEM specification (revision 2.0), PCI-to-PCI bridge architecture specification (revision 2.1), system management bus (SMBus) specification, and the advanced configuration power interface (ACPI) specification. PCI packet switches increase the fan- out of a PCI port. As well as providing
either 3 or 4 ports and 4 lanes, the new devices offer extended virtual channel capability, providing two virtual channels and support for eight traffic class channels. The low power design keeps power dissipation down to as low as 300mW and even lower, at 35mW, during L1.1 D3 hot state. Peer-to-peer switching between two downstream ports is also supported, with a typical latency of just 150ns for packets routed through the switches, without blocking. Unused downstream ports are automatically put into idle mode to further minimise power consumption.
The maximum payload is 512-byte and each port can be individually configured to deliver the optimal driver current and de-emphasis level. The parts also implement downstream port containment in the event of a sudden loss of power or other failure, which helps enable high availability in end systems. The devices feature an operating temperature range of -40°C to +85°C.
The PI7C9X2G304SV and PI7C9X2G404SV are available in the 128-pin LQFP package (14mm x 14mm) and the PI7C9X2G304EV and PI7C9X2G404EV are available in the 136-pin aQFN package (10mm x 10mm). They are priced at $5.40, $7.60, $5.40 and $7.60 each in 1000 piece quantities, respectively.
www.diodes.com
www.cieonline.co.uk
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