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Network interface card (NIC)

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Block diagram

Network interface card (NIC)

Block diagram

Overview

Our integrated circuits and reference designs help you create network interface card (NIC), host bus adapter (HBA) and storage area network (SAN) card designs for a variety of different applications, from highly programmable to specific functions. Use the resources below to create differentiated designs that are efficient and high bandwidth.

Design requirements

Modern network interface card (NIC) designs require:

  • High speed/bandwidth for data throughput.
  • Compatibility with the latest PCIe standards.
  • Ability to operate with multiple ports without loss of data integrity.
Explore applications similar in function and design

Block diagram

Find products and reference designs for your system.

Network interface card (NIC)

I2C I2C 12V 12V 3.3V 3.3V Clock Clock SAS ports SAS ports I2C I2C 3.3V AUX 3.3V AUX I2C I2C Service port Service port RS232 RS232 (Optional) (Optional) 48V or 12V 48V or12V Input power protection Input power protection eFuse eFuse Hotswap controller Hotswap controller MOSFETs MOSFETs Oring controller Oring controller POL power (FPGA, ASIC, clocks, etc.) POL power (FPGA, ASIC, clocks, etc.) Buck converter Buck converter LDO LDO Sequencer Sequencer Reset/supervisor Reset/supervisor External power External power Buck/boost Buck/boost Power loss protection Power loss protection Fuel gauge Fuel gauge Battery charger Battery charger Clocking Clocking Clock generator Clock generator Oscillator Oscillator Buffer Buffer Signal conditioning Signal conditioning Retimer/redriver Retimer/redriver Digital processing Digital processing CPLD controller CPLDcontroller ASIC/RAID on chip ASIC/RAID on chip MCU MCU ADC ADC Communication Communication Mux Mux Buffer Buffer Voltage translation Voltage translation RS232 RS232 JTAG JTAG I2C expander I2C expander Switches and logic gates Switches and logic gates Sensing Sensing Current sensing Current sensing Temperature sensing Temperature sensing Airspeed sensor Airspeed sensor PCIe connector PCIe connector Memory Memory EEPROM EEPROM DDR5 DDR5 Flash Flash SAS expander SAS expander SAS expander SAS expander

Input power protection

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Power input protection uses hot swaps and eFuse devices to protect the down stream subsystems from surge currents resulting from hot swap hardware changes and other events.

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Power management (9)
eFuses & hot swap controllers
  • TPS25984B—4.5V to 16V, 0.8mΩ, 70A stackable eFuse with accurate and fast current monitor
    Data sheet: PDF | HTML
  • TPS25985—4.5-V to 16-V, 0.59-mΩ, 80-A stackable compact eFuse with accurate and fast current monitor
    Data sheet: PDF | HTML
  • TPS25981—2.7-V to 16-V, 10-A, 6-mΩ eFuse with transient overcurrent blanking timer
    Data sheet: PDF | HTML
  • TPS25942L—2.7-V to 18-V, 42mΩ, 0.6-5.2A eFuse with reverse current blocking with latch off fault response
    Data sheet: PDF | HTML
  • TPS25980—2.7-V to 24-V, 8-A, 3-mΩ smart eFuse with adjustable transient fault management
    Data sheet: PDF | HTML
  • TPS2595—2.7-V to 18-V, 34mΩ, 0.5-4A eFuse with over voltage protection in small WSON package
    Data sheet: PDF | HTML
MOSFETs
  • CSD25481F4—-20-V, P channel NexFET™ power MOSFET, single LGA 0.6 mm x 1 mm, 105 mOhm, gate ESD protection
    Data sheet: PDF | HTML
  • CSD17579Q3A—30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 14.2 mOhm
    Data sheet: PDF | HTML
DDR memory power ICs
  • TPS65295—4.5-V to 18-V VIN complete DDR4 memory power solution
    Data sheet: PDF | HTML
    Selection guide

    Technical documentation

    View all 3
    No results found. Please clear your search and try again.
    Type Title Date
    Analog Design Journal Benefits of a multiphase buck converter 22 Feb 2012
    Application brief Enabling SPI-Based Flash Memory Expansion by Using Multiplexers (Rev. B) PDF | HTML 10 May 2022
    Application note DDR VTT Power Solutions: A Competitive Analysis (Rev. A) 09 Jul 2020

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