Power Electronic Tips https://www.powerelectronictips.com/category/ethernet/ Power Electronic News, Editorial, Video and Resources Thu, 25 Jul 2024 17:05:07 +0000 en-US hourly 1 https://wordpress.org/?v=6.7 https://www.powerelectronictips.com/wp-content/uploads/2016/11/cropped-favicon-512x512-32x32.png Power Electronic Tips https://www.powerelectronictips.com/category/ethernet/ 32 32 Power device portfolio expanded with low-Ohmic, high-current eFuse https://www.powerelectronictips.com/power-device-portfolio-expanded-with-low-ohmic-high-current-efuse/ https://www.powerelectronictips.com/power-device-portfolio-expanded-with-low-ohmic-high-current-efuse/#respond Thu, 25 Jul 2024 17:05:07 +0000 https://www.powerelectronictips.com/?p=23201 Nexperia announced the NPS3102A and NPS3102B electronic fuses (eFuses) as the latest additions to its ever-expanding power device portfolio. These low-ohmic (17 mΩ), high current (13.5 A), and resettable electronic fuses help to protect downstream loads from exposure to excessive voltages while also protecting power supplies from load faults and large inrush currents. These eFuses […]

The post Power device portfolio expanded with low-Ohmic, high-current eFuse appeared first on Power Electronic Tips.

]]>
Nexperia announced the NPS3102A and NPS3102B electronic fuses (eFuses) as the latest additions to its ever-expanding power device portfolio. These low-ohmic (17 mΩ), high current (13.5 A), and resettable electronic fuses help to protect downstream loads from exposure to excessive voltages while also protecting power supplies from load faults and large inrush currents. These eFuses have been designed for use in various 12V hot-swap applications including enterprise communication and storage equipment found in data centers such as solid-state and hard-disk drives, servers, ethernet switches, and routers. Additionally, they can also be used to protect mobile communications infrastructure like 5G radio-heads and industrial automation equipment like programmable logic controllers (PLC).

The NPS3102A and NPS3102B eFuses have a wide input voltage range (21 V abs. max) and have an integrated low-resistance pass MOSFET which minimizes voltage drop and power loss. This feature helps to increase operating efficiency beyond that attainable from similar competing devices in the same package type. The current clamp limit can be adjusted in the 2–13.5 A range using a resistor at the ILIM pin, which can also be used to measure load current in real-time. Both devices include a built-in overvoltage clamp that limits the output voltage during an input overvoltage condition, with a 2 μs short-circuit protection response time.

The pass-FET in the NPS3102A must be manually reset after a fault event whereas the NPS3102B integrates an auto-retry block, which safely attempts to re-enable the pass-FET without the need for user intervention. Apart from having the ability to quickly protect systems against input and output overvoltages and large inrush currents, Nexperia eFuses are designed to protect the downstream loads from high current fault conditions given its 10% current limiting accuracy. The NPS3102A and NPS3102B are available in DFN3030-10/SOT8037-1 leadless plastic packages measuring only 3.0 x 3.0 x 0.75 mm.

The post Power device portfolio expanded with low-Ohmic, high-current eFuse appeared first on Power Electronic Tips.

]]>
https://www.powerelectronictips.com/power-device-portfolio-expanded-with-low-ohmic-high-current-efuse/feed/ 0
Automotive Ethernet filter achieves class IV parasitic capacitance https://www.powerelectronictips.com/automotive-ethernet-filter-achieves-class-iv-parasitic-capacitance/ https://www.powerelectronictips.com/automotive-ethernet-filter-achieves-class-iv-parasitic-capacitance/#respond Wed, 10 Jul 2024 17:41:28 +0000 https://www.powerelectronictips.com/?p=23141 TDK Corporation announces that it has expanded its lineup of the ACT1210E Series (3.2 x 2.5 x 2.5 mm – L x W x T) of common mode filters for automotive Ethernet communication 10BASE-T1S. Mass production of this new common mode filter began this month, July 2024. The new ACT1210E-131-2P-TL00 filter lowers the line-to-line capacitance […]

The post Automotive Ethernet filter achieves class IV parasitic capacitance appeared first on Power Electronic Tips.

]]>
TDK Corporation announces that it has expanded its lineup of the ACT1210E Series (3.2 x 2.5 x 2.5 mm – L x W x T) of common mode filters for automotive Ethernet communication 10BASE-T1S. Mass production of this new common mode filter began this month, July 2024.

The new ACT1210E-131-2P-TL00 filter lowers the line-to-line capacitance by approximately 30% compared to conventional products. In the OPEN Alliance EMC test specification for common mode chokes, the part achieves Class IV status with the lowest parasitic capacitance – an industry first. The common mode inductance at 100 kHz is 130 µH, and the rated current is 70 mA.

The communication circuit of 10BASE-T1S has PHY, ESD suppression devices and other electronic components in addition to common mode filters, each of which has its own capacitance. As total capacity increases so does signal wave shape turbulence, which leads to disruptions in normal telecommunications. For this reason, engineers need to select components geared to low capacitance.

To achieve high S-parameters, the new product employs TDK’s proprietary design structure and optimized materials to reduce the impact of signal distortions caused by capacitance and effectively dampen common mode noise. Additionally, the original high-precision automatic winding technology ensures stable quality and high reliability.

TDK has an extensive lineup of common mode filters for automotive applications, including not only filters that are compliant with the currently mainstream CAN, CAN FD, and FlexRay protocols but also compliant with Ethernet protocols, such as 100BASE-T1 and 1000BASE-T1 for telecommunication speeds of 100 Mbps and 1 Gbps respectively. Moving forward, TDK will continue meeting the demands of customers by providing comprehensive product services for common-mode filters for automotive communication.

The post Automotive Ethernet filter achieves class IV parasitic capacitance appeared first on Power Electronic Tips.

]]>
https://www.powerelectronictips.com/automotive-ethernet-filter-achieves-class-iv-parasitic-capacitance/feed/ 0
Ultra-low capacitance ESD devices protect high-speed data lines https://www.powerelectronictips.com/ultra-low-capacitance-esd-devices-protect-high-speed-data-lines/ https://www.powerelectronictips.com/ultra-low-capacitance-esd-devices-protect-high-speed-data-lines/#respond Sat, 14 Oct 2023 01:37:13 +0000 https://www.powerelectronictips.com/?p=22207 Nexperia announced an extension to its portfolio of ultra-low capacitance ESD protection diodes designed to protect high-speed data lines in interfaces such as USB, HDMI, high-speed video links, and ethernet in automotive infotainment applications.  These latest additions include PESD18VF1BLS-Q, PESD24VF1BLS-Q, PESD30VF1BLS-Q, and PESD32VF1BLS-Q in the DFN1006BD-2 package which enables optical inspection in automotive production lines using […]

The post Ultra-low capacitance ESD devices protect high-speed data lines appeared first on Power Electronic Tips.

]]>
Nexperia announced an extension to its portfolio of ultra-low capacitance ESD protection diodes designed to protect high-speed data lines in interfaces such as USB, HDMI, high-speed video links, and ethernet in automotive infotainment applications. 

These latest additions include PESD18VF1BLS-Q, PESD24VF1BLS-Q, PESD30VF1BLS-Q, and PESD32VF1BLS-Q in the DFN1006BD-2 package which enables optical inspection in automotive production lines using side wettable flanks. In addition, PESD18VF1BBL-Q, PESD24VF1BBL-Q, and PESD30VF1BBL-Q are available in the compact DFN1006-2 package. All variants are in leadless packages to improve electrical performance and signal integrity while enabling miniaturization in automotive designs.

Electrostatic discharge (ESD) diodes protect critical electronic systems and subsystems by dissipating the high energy of electrostatic discharges. This protects vital SOCs (system on chip) and other components from getting damaged during an ESD event. Adding additional components to a high-speed data line can deteriorate the signal integrity of the transferred data. Therefore, choosing the right components that protect the system but do not hamper the signal transmission is vital to modern high-speed automotive systems. Nexperia has a long-standing expertise in being the market leader and offering the best ESD protection solutions. Keeping the needs of design engineers as well as the automotive systems in mind, Nexperia is offering this portfolio with the best-in-class signal integrity performance enabled by the ultra-low device capacitance (as low as a typical 0.28 pF) combined with the higher standoff voltage of 18-32 V for placement closer to the connector. For maximum design flexibility, these diodes are offered both with and without side wettable flanks, with the side wettable flanks enabling automated optical inspection (AOI). 

These AEC-Q101 automotive-qualified devices exhibit extremely deep snapback behavior combined with a low dynamic resistance of 0.8Ω for improved system-level robustness and clamping performance in high-speed data interfaces.

The post Ultra-low capacitance ESD devices protect high-speed data lines appeared first on Power Electronic Tips.

]]>
https://www.powerelectronictips.com/ultra-low-capacitance-esd-devices-protect-high-speed-data-lines/feed/ 0