Server

Server

Such as low power consumption and miniaturization are important in designing server. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, motor driving unit, over temperature monitoring unit, etc., along with circuit configuration examples.

Overall block diagram

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 System Power (Power Supply Unit) System Power(Power Supply Unit) DIMM/CPU/SMC/PCH DIMM/CPU/SMC/PCH System Management Controller System Management Controller Platform Controller Hub Platform Controller Hub I/O (SAS/SATA) I/O(SAS/SATA) Environment Sensor - Pressure - Humidity - Accelerometer Environment Sensor- Pressure- Humidity- Accelerometer System Monitoring - Current System Monitoring- Current Backplane Backplane DIMM DIMM DIMM DIMM CPU CPU CPU CPU AC Input ACInput Fan Fan Over Temperature Detection IC Over Temperature Detection IC DC-DC converter circuit/AC-DC converter circuit Peripheral interface circuits Over temperature monitoring circuit Fan drive circuit
DC-DC converter circuit/AC-DC converter circuit

Example of half-bridge type DC-DC converter circuit

Example of full-bridge type DC-DC converter circuit

Example of AC-DC converter circuit using bridgeless PFC

Example of AC-DC converter circuit using interleaved PFC

Example of half-bridge type AC-DC converter circuit

Peripheral interface circuits

Examples of peripheral interface signal line protection circuits

Fan drive circuit

Example of fan motor drive circuit

Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Sub block diagram

DC-DC converter circuit/AC-DC converter circuit
DC-DC converter for 48 V system (Power supply for 1.2 V and 100 A output isolated DC-DC converter (VIN(DC) = 40 to 59.5 V, VOUT = 1.2 V, IOUT = 100 A))

Example of half-bridge type DC-DC converter circuit

Example of half-bridge type DC-DC converter circuit
U-MOS Series MOSFET(1)
Part Number
Toshiba Package Name SOP Advance / SOP Advance(N) TSON Advance TSON Advance
VDSS (Max) [V] 150 80 100
ID (Max) [A] 64 26 66
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.009 0.0123 0.0115
Polarity N-ch N-ch N-ch
U-MOS Series MOSFET(2)
Part Number
Toshiba Package Name SOP Advance SOP Advance DSOP Advance DSOP Advance
VDSS (Max) [V] 30 40 30 40
ID (Max) [A] 393 340 412 340
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00065 0.00085 0.0006 0.0008
Polarity N-ch N-ch N-ch N-ch
Transistor output photocoupler
Part Number
Toshiba Package Name 4pin SO6L SO4
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCEO (Max) [V] 80 80
Topr [°C] -55 to 125 -55 to 110
IC output photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L 5pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCC / VDD (Min) [V] 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5
ICC / IDD (Max) [mA] 2.5 0.4
Output Interface totem-pole(INV) totem-pole(BUF)
DC-DC converter for 48 V system (300 W isolated DC-DC converter power supply (VIN(DC) = 36 to 75 V, VOUT = 12.0 V, IOUT = 25 A))

Example of full-bridge type DC-DC converter circuit

Example of full-bridge type DC-DC converter circuit
U-MOS Series MOSFET(1)
Part Number
Toshiba Package Name SOP Advance / SOP Advance(N) TSON Advance TSON Advance
VDSS (Max) [V] 150 80 100
ID (Max) [A] 64 26 66
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.009 0.0123 0.0115
Polarity N-ch N-ch N-ch
U-MOS Series MOSFET(2)
Part Number
Toshiba Package Name SOP Advance SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 40 60 80 100
ID (Max) [A] 340 260 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00085 0.00134 0.00243 0.0031
Polarity N-ch N-ch N-ch N-ch
Transistor output photocoupler
Part Number
Toshiba Package Name 4pin SO6L SO4
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCEO (Max) [V] 80 80
Topr [°C] -55 to 125 -55 to 110
IC output photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L 5pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCC / VDD (Min) [V] 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5
ICC / IDD (Max) [mA] 2.5 0.4
Output Interface totem-pole(INV) totem-pole(BUF)
AC-DC converter for 12 V system (bridgeless PFC) (1.6 kW power supply (VIN(AC) = 90 to 264 V, VOUT = 12.0 V, IOUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using bridgeless PFC

Example of AC-DC converter circuit using bridgeless PFC
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL
VDSS (Max) [V] 650 650 650 650 650
ID (Max) [A] 57 57 30 30 30
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.04 0.04 0.09 0.099 0.09
Polarity N-ch N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL TOLL
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 24 24 24 24 24 18
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.11 0.11 0.125 0.11 0.155
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247 TO-247-4L(X) TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 100 58 40 100 58 40
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.037 0.065 0.022 0.038 0.069
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC Schottky barrier diode
Part Number
Toshiba Package Name TO-220F-2L TO-247 TO-220-2L TO-220-2L DFN 8×8 DFN 8×8
IF(DC) (Max) [A] 12 24 2 12 4 12
VRRM (Max) [V] 650 650 650 650 650 650
VF (Max) [V] 1.6 1.6 1.35 1.35 1.35 1.35
IR (Max) [µA] @ VRRM (Max) 60 60 40 120 55 120
IC output photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L 5pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCC / VDD (Min) [V] 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5
ICC / IDD (Max) [mA] 2.5 0.4
Output Interface totem-pole(INV) totem-pole(BUF)
U-MOS Series MOSFET(1)
Part Number
Toshiba Package Name SOP Advance SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 40 60 80 100
ID (Max) [A] 340 260 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00085 0.00134 0.00243 0.0031
Polarity N-ch N-ch N-ch N-ch
U-MOS Series MOSFET(2)
Part Number
Toshiba Package Name SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 30 80 100
ID (Max) [A] 393 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00065 0.00243 0.0031
Polarity N-ch N-ch N-ch
AC-DC converter for 12 V system (interleaved PFC) (1.6 kW power supply (VIN(AC) = 90 to 264 V, VOUT = 12.0 V, IOUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using interleaved PFC

Example of AC-DC converter circuit using interleaved PFC
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL
VDSS (Max) [V] 650 650 650 650 650
ID (Max) [A] 57 57 30 30 30
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.04 0.04 0.09 0.099 0.09
Polarity N-ch N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL TOLL
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 24 24 24 24 24 18
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.11 0.11 0.125 0.11 0.155
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247 TO-247-4L(X) TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 100 58 40 100 58 40
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.037 0.065 0.022 0.038 0.069
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC Schottky barrier diode
Part Number
Toshiba Package Name TO-220F-2L TO-247 TO-220-2L TO-220-2L DFN 8×8 DFN 8×8
IF(DC) (Max) [A] 12 24 2 12 4 12
VRRM (Max) [V] 650 650 650 650 650 650
VF (Max) [V] 1.6 1.6 1.35 1.35 1.35 1.35
IR (Max) [µA] @ VRRM (Max) 60 60 40 120 55 120
IC output photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L 5pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCC / VDD (Min) [V] 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5
ICC / IDD (Max) [mA] 2.5 0.4
Output Interface totem-pole(INV) totem-pole(BUF)
U-MOS Series MOSFET(1)
Part Number
Toshiba Package Name SOP Advance SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 40 60 80 100
ID (Max) [A] 340 260 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00085 0.00134 0.00243 0.0031
Polarity N-ch N-ch N-ch N-ch
U-MOS Series MOSFET(2)
Part Number
Toshiba Package Name SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 30 80 100
ID (Max) [A] 393 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00065 0.00243 0.0031
Polarity N-ch N-ch N-ch
AC-DC converter for 48 V system

Example of half-bridge type AC-DC converter circuit

Example of half-bridge type AC-DC converter circuit
U-MOS Series MOSFET
Part Number
Toshiba Package Name SOP Advance SOP Advance / SOP Advance(N) SOP Advance SOP Advance SOP Advance(N)
VDSS (Max) [V] 80 150 30 80 100
ID (Max) [A] 120 64 393 120 120
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00243 0.009 0.00065 0.00243 0.0031
Polarity N-ch N-ch N-ch N-ch N-ch
IC output photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L 5pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750
VCC / VDD (Min) [V] 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5
ICC / IDD (Max) [mA] 2.5 0.4
Output Interface totem-pole(INV) totem-pole(BUF)
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL
VDSS (Max) [V] 650 650 650 650 650
ID (Max) [A] 57 57 30 30 30
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.04 0.04 0.09 0.099 0.09
Polarity N-ch N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TO-247 TO-247-4L TO-220SIS DFN 8×8 TOLL TOLL
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 24 24 24 24 24 18
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.11 0.11 0.125 0.11 0.155
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247 TO-247-4L(X) TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 650 650 650 650 650
ID (Max) [A] 100 58 40 100 58 40
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.037 0.065 0.022 0.038 0.069
Polarity N-ch N-ch N-ch N-ch N-ch N-ch
SiC Schottky barrier diode
Part Number
Toshiba Package Name TO-220F-2L TO-247 TO-220-2L TO-220-2L DFN 8×8 DFN 8×8
IF(DC) (Max) [A] 12 24 2 12 4 12
VRRM (Max) [V] 650 650 650 650 650 650
VF (Max) [V] 1.6 1.6 1.35 1.35 1.35 1.35
IR (Max) [µA] @ VRRM (Max) 60 60 40 120 55 120
Peripheral interface circuits
Peripheral interface circuits

Examples of peripheral interface signal line protection circuits

Examples of peripheral interface signal line protection circuits
TVS diode
Part Number
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2)
VESD (Max) [kV] +/-30 +/-20 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.5 0.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5 0.2 0.2
Fan drive circuit
Fan drive circuit

Example of fan motor drive circuit

Example of fan motor drive circuit
Three-phase brushless DC motor driver IC
Part Number
Toshiba Package Name P-VQFN24-0404-0.50-002 P-VQFN24-0404-0.50-002 P-WQFN36-0505-0.50-001
VOUT (Max) [V] 18 18 30
IOUT (Max) [A] 3.5 0.2 0.24
VM [V] 5.5 to 16 5 to 16 5.5 to 27
RON (Typ.) [Ω] 0.2    
Semi-power MOSFET
Part Number
Toshiba Package Name SOT-1220 (UDFN6B) SOT-23F
VDSS (Max) [V] 60 60
ID (Max) [A] 6.0 6.0
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.051 0.051
Polarity N-ch N-ch
Over temperature monitoring circuit
Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit
Over temperature detection IC (ThermoflaggerTM )(1)
Part Number
Toshiba Package Name SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV)
VDD (Min) [V] 1.7 1.7 1.7 1.7
VDD (Max) [V] 5.5 5.5 5.5 5.5
IDD (Typ.) [µA] @ Tj = 25 [°C] 1.8 1.8 11.3 11.3
IPTCO (Typ.) [µA] @ Tj = 25 [°C] 1 1 10 10
FLAG Signal Output Push-pull Push-pull Push-pull Push-pull
Over temperature detection IC (ThermoflaggerTM )(2)
Part Number
Toshiba Package Name SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV)
VDD (Min) [V] 1.7 1.7 1.7 1.7
VDD (Max) [V] 5.5 5.5 5.5 5.5
IDD (Typ.) [µA] @ Tj = 25 [°C] 1.8 1.8 11.3 11.3
IPTCO (Typ.) [µA] @ Tj = 25 [°C] 1 1 10 10
FLAG Signal Output Open drain Open drain Open drain Open drain

Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

Reference Design

PCB Photo (example)
48 V Bus Compatible 1.2 V/100 A Double Step-Down DC-DC Converter
The 48 V power supply for servers is getting popular in order to reduce power consumption of data centers. This DC-DC converter can convert the 48 V bus voltage to 1.2 V/100 A for several devices on a server efficiently. Design files and guides for circuit design and operation are available as reference design.
PCB Photo (example)
1.6 kW Server Power Supply (Upgraded)
Thanks to Toshiba’s latest power devices and digital isolator, this 1U size and 12 V output 1.6 kW server power supply achieves higher efficiency at whole load than the existing reference design which uses the same circuit topology. Design files and guides for circuit design and operation are available as reference design.
3-Phase Inverter Using SiC MOSFET
This reference design provides design guide, data and other contents of the 3-phase inverter using 1200 V SiC MOSFET. It drives AC 440V motors.
Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021AE / Push-pull type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC ThermoflaggerTM Application Circuits (TCTH021AE / Push-pull type). In combination with PTC thermistor(s), the ThermoflaggerTM can be used to detect over temperature at multiple locations within a device. Details of other application circuits of the ThermoflaggerTM are also provided.
Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type). In combination with PTC thermistor(s), this ThermoflaggerTM can be used to detect over temperature at multiple locations within a device.
PCB Photo (example)
1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment
This reference design provides design guide, data and other contents of 1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment.
1.6 kW T-Type 3-Level PFC Power Supply
1.6 kW T-Type 3-Level PFC Power Supply
This reference design provides design guide, data and other contents of 1.6kW AC-DC converter power supply using T-Type 3-Level power factor correction (PFC) circuit.
Board photo of 100 W LLC DC-DC Converter
100 W LLC DC-DC Converter
This reference design provides design guide, data and other contents of 100 W LLC DC-DC Converter which uses Zero Volt Switching implemented using LLC resonance.
DC-DC Converter / MOSFET / Isolators
Exterior photo of 200 W active clamp forward DC-DC converter.
200 W Active Clamp Forward DC-DC Converter
This reference design provides design guide, data and other contents of 1 kW server power supply using phase shifetd full-bridge DC-DC converter.
DC-DC Converter

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개발/설계 지원

스위치 모드 전원공급 라이브러리

you can select and download various basic topologies of a power supply unit based on your actual requirements in order to verify the behavior of MOSFETs with your simulation environment.

Motor Control and Driver Circuit Library

you can select and download various basic topologies of motor driver such as three-phase inverter circuit based on your actual requirements in order to verify the behavior of MOSFETs and another devices for your simulation environment.

EDA/CAD Model Library

We provide simulation data, 3D models of packages, and land pattern models (2D models) used when developing product boards.

MCU Motor Studio

MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+TM Family Advanced Class microcontrollers from Toshiba.

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  • ThermoflaggerTM is a trademark of Toshiba Electronic Devices & Storage Corporation.
  • Other company names, product names, and service names may be trademarks of their respective companies.
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