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Server Solutions

Toshiba's server solutions improve power supply performance and protection capabilities

Image of Toshiba's Server SolutionsToshiba's broad product line-up offers solutions to meet the requirements of today’s server technologies. Servers are important for the future of big data and the IoT revolution. The exponential growth of servers will be one of the primary backbones due to the emergence of fog and cloud computing. It is important to make sure efficiency and performance are maximized. Server design is a complex task with many demanding requirements such as high efficiency, robust thermal capabilities, and strong protection and isolation. Toshiba’s solutions meet these requirements with MOSFET, photocoupler, and powerline protection technologies. Toshiba also offers a wide range of transistors and bias resistor built-in transistors and logic IC families perfect for server application designs.

Power Supply Circuit - Click On Image Below to Enlarge

Image of Toshiba's Power Supply Circuit

Power Supply PFC-Circuit: Power MOSFETs

A MOSFET with high withstand voltage and low on-resistance is suitable for the PFC circuit of a DC/DC power supply. By keeping on-resistance low, heat generation and current consumption can be kept to a minimum. By reducing the output charge, output loss can also be reduced. Toshiba’s U-MOS IX series power MOSFETs use high heat dissipation packages to further reduce heat generation.

Power Feedback Circuit: Photocouplers

Transistor-output photocouplers are commonly used for voltage-feedback to the primary at DC/DC supply. Signal transmission over different potentials is required on the primary and secondary sides, and electrically isolated photocouplers are a simple way to ensure isolation. An IC output photocoupler can communicate at high speed for signal communication in the power supply circuit. Additionally, it is important to comply with safety standards established in each country, and Toshiba photocouplers help with this process as they are approved for UL 1577 VDE: EN 60747-5-5, EN 62368-1, and others.

Server Interface Circuit - Click On Image Below to Enlarge

Image of Toshiba's Server Interface Circuit

Power Line-Protection: eFuse IC, ESD Diodes, and More

Toshiba’s latest eFuse IC is especially useful for 12 V and 5 V power line-protection in server designs due to hot-swapping requirements. eFuses are effective at protecting equipment from surges such as overvoltage and overcurrent. This family features various protective functions such as short-circuit, overcurrent, overvoltage, and inrush current suppression in a single package. This helps improve overall protection and offers IEC 62368-1 to help qualify complete designs. In addition, high IPP ESD protection diodes and SBDs can be used in combination to provide a robust protection circuit.

Toshiba Application Link

Features and Benefits
  • Wide portfolio of products
  • Keeping on-resistance low to produce minimal heat
  • Increasing heat dissipation capabilities with efficient packaging
  • Optical coupling over an isolated barrier
  • Application notes and other material to help with design
  • Aiding in protection standards (IEC-62368-1 and others) with eFuse and photocouplers

Part Tables Listed Below Are Toshiba Recommendations

MOSFETS - Power Supply Circuits

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
X35 PB-F POWER MOSFET TRANSISTORTPH3R70APL,L1QX35 PB-F POWER MOSFET TRANSISTOR5660 - ImmediateView Details
PB-F POWER MOSFET TRANSISTOR TO-TK040N65Z,S1FPB-F POWER MOSFET TRANSISTOR TO-111 - ImmediateView Details
MOSFET N-CH 60V 6A 6-UDFNBSSM6K341NU,LFMOSFET N-CH 60V 6A 6-UDFNB1 - ImmediateView Details
MOSFET N-CH 60V 6A SOT-23FSSM3K341R,LFMOSFET N-CH 60V 6A SOT-23F0View Details

Photocouplers - Power Supply Circuits

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
OPTOISOLATR 5KV TRANSISTOR 4-DIPTLP785(GB,F)OPTOISOLATR 5KV TRANSISTOR 4-DIP21212 - ImmediateView Details

LDO Regulators - Power Supply Circuits

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC REG LINEAR 1.2V 300MA 4WCSP-FTCR3UG12A,LFIC REG LINEAR 1.2V 300MA 4WCSP-F3510 - ImmediateView Details
IC REG LINEAR 5V 300MA 4WCSP-FTCR3UG50A,LFIC REG LINEAR 5V 300MA 4WCSP-F9870 - ImmediateView Details

eFuse IC - Server Interface Circuit

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
EFUSE IC, AUTO RETRY, 6V VOLTAGETCKE805NA,RFEFUSE IC, AUTO RETRY, 6V VOLTAGE7895 - ImmediateView Details
EFUSE IC, LATCH TYPE, 6V VOLTAGETCKE805NL,RFEFUSE IC, LATCH TYPE, 6V VOLTAGE7867 - ImmediateView Details

ESD Protection Diodes - Server Interface Circuit

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
BI-DIRECTIONAL ESD PROTECTION DIDF2B7BSL,L3FBI-DIRECTIONAL ESD PROTECTION DI4400 - ImmediateView Details
TVS DIODE 5.5V 20V SL2DF2B7ASL,L3FTVS DIODE 5.5V 20V SL21077 - ImmediateView Details
STANDARD TYPE, SINGLE ESD PROTECDF2S14P2CTC,L3FSTANDARD TYPE, SINGLE ESD PROTEC13677 - ImmediateView Details

FET Driver ICs - Server Interface Circuit

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC GATE DRVR HIGH-SIDE 6WCSPETCK401G,LFIC GATE DRVR HIGH-SIDE 6WCSPE7665 - ImmediateView Details
IC GATE DRVR LOW-SIDE 6WCSPETCK402G,LFIC GATE DRVR LOW-SIDE 6WCSPE9621 - ImmediateView Details
Published: 2020-05-28