B-004. 1-Phase 2-level Full Bridge Inverter POUT=20kW

ROHM Solution Simulator Schematic Information

Simulation Parameters2023. Feb
64UG100E Rev.005

Simulation Circuit

Component
nameComponent

Default

Simulation
Setting Range

Vin

Input voltage

500VdcVo

Output voltage

200VacIo

Output current

100Aacfsw

Switching frequency

20kHz

Tj

Temperature

100°C

Vd1-4+

Gate Drive voltage H

18V

10 – 20V

Vd1-4-

Gate Drive voltage L-4V-4 – 0V

Vdin

Signal voltage level

5V

Q1

10k – 300kHz

VoRo
IQ1L
R sink1

GD-IC1
Component

Default

Q1, Q2MOSSBDx2

Selectable

GD-IC1-4

Gate Driver

BM61S41RFV-C

R sink1-4

Resistor for sink

ESR18 1Ω

0.1 -R source1-4

Resistor for source

ESR18 2Ω

0.1 -

L1

Inductor

500µH

10µH - 2mHRo

Output Resistor{Vo/Io}© 2022 ROHM Co., Ltd.

IQ2H

Vin

DevicesComponent
Name

Q2

IQ1H

Vd1-

GD-IC3fsw

R sink2

GD-IC2

Vd2-

Vd2+

Vd3+
R sink4

GD-IC4

R source4

R source2

Vdin

R sink3
R source3

Vd3-

Vd1+

Io
L1

R source1

Simulation
Setting Range

IQ2L

Vd4-

Vd4+

Note: The Loss_calc component is a utility module to support power loss calculation and does not affect the simulation
P. 1
results of circuit operation or performance.

B-004. 1-Phase 2-level Full Bridge Inverter POUT=20kW

ROHM Solution Simulator Schematic Information
2023. Feb
64UG100E Rev.005

Selectable Devices
Component
nameComponent

Product No.

featureQ1, Q2MOSSBDx2

BSM080D12P2C008

800V, 120A

BSM120D12P2C005 (*)

1200V, 120A

* Default device© 2022 ROHM Co., Ltd.

Note) We have not been able to confirm operation with all combinations. Please read the disclaimer carefully.

P. 2

Simulation Waveform1
ROHM Solution Simulator Schematic Information
Io, IQ1, IQ2 (0～20.0ms)

Vin=500Vdc Vo=200Vac
Io=100Aac Tj=100℃

Io(A)2023. Feb
64UG100E Rev.005

Expansion (8.0～8.3ms)
Io(A)Blue : Io(A)Blue : Io(A)(8.0～8.3ms)

IQ1(A)

IQ1(A)
Green : IQ1H(A)Green : IQ1H(A)Purple : IQ1L(A)Purple : IQ1L(A)IQ2(A)
Cyan : IQ2H(A)IQ2(A)
Cyan : IQ2H(A)Magenta : IQ2L(A)Magenta : IQ2L(A)© 2022 ROHM Co., Ltd.

P. 3

Efficiency, Power Dissipation
ROHM Solution Simulator Schematic Information
Vin=500Vdc Vo=200Vac
Tj=100℃

Po : 4kW～20kW
100

Tj : -25℃～125℃

Efficiency (%)

100

Efficiency : 100×Po/Pin
96

94

92

Efficiency (%)

Efficiency : 100×Po/Pin

96
94
92

90

90

400

5Pd(W)

1015

2025-40400

Power Dissipation
Power Dissipation (W)0Power Dissipation (W)2023. Feb
64UG100E Rev.005

98
Efficiency ( %)Efficiency ( %)

98

300

200

Q1,Q2100-200204060

80

100

120

140

100

120140Power Dissipation

Pd(W)

300

Q1,Q220010000051015Po(kW)© 2022 ROHM Co., Ltd.

Vin=500Vdc Vo=200Vac
Io=100Aac

2025-40-20020406080Tj(℃)

P. 4

How to change the devices

ROHM Solution Simulator Schematic Information
2023. Feb
64UG100E Rev.005

Right-click on the device© 2022 ROHM Co., Ltd.

Select Properties

Pull down “SpiceLib Part”

Select the productP. 5

Loss Calculation Model

ROHM Solution Simulator Schematic Information

Loss Calculation Model outputs the instantaneous value of power loss and its integration.

Loss calculation model ‘Loss_calc’

2023. Feb
64UG100E Rev.005

Waveform example

Vds of MOSFET

Id of MOSFET

Vgs of MOSFET

𝑙𝑜𝑠𝑠_𝑜𝑢𝑡 𝑡 = 𝐼 𝑡 × 𝑉 𝑡𝑡

loss_out

𝑙𝑜𝑠𝑠_𝑖𝑛𝑡𝑒𝑔_𝑜𝑢𝑡 = න 𝑙𝑜𝑠𝑠_𝑜𝑢𝑡 𝑡 𝑑𝑡
0

loss_integ_out

I : Current through p1 to p1s
V : Voltage between p1s and p2© 2022 ROHM Co., Ltd.

P. 6

NoticeNotes
1) The information contained herein is subject to change without notice.
2) Before you use our Products, please contact our sales representative and verify the latest specifications :3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors.
Therefore, in order to prevent personal injury or fire arising from failure, please take safetymeasures such as complying with the derating characteristics, implementing redundant andfire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have noresponsibility for any damages arising out of the use of our Poducts beyond the rating specified byROHM.
4) Examples of application circuits, circuit constants and any other information contained herein areprovided only to illustrate the standard usage and operations of the Products. The peripheral
conditions must be taken into account when designing circuits for mass production.
5) The technical information specified herein is intended only to show the typical functions of andexamples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly,
any license to use or exercise intellectual property or other rights held by ROHM or any otherparties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use ofsuch technical information.
6) The Products specified in this document are not designed to be radiation tolerant.
7) For use of our Products in applications requiring a high degree of reliability (as exemplifiedbelow), please contact and consult with a ROHM representative : transportation equipment (i.e.
cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety
equipment, medical systems, servers, solar cells, and power transmission systems.
8) Do not use our Products in applications requiring extremely high reliability, such as aerospaceequipment, nuclear power control systems, and submarine repeaters.
9) ROHM shall have no responsibility for any damages or injury arising from non-compliance withthe recommended usage conditions and specifications contained herein.
10) ROHM has used reasonable care to ensure the accuracy of the information contained in thisdocument. However, ROHM does not warrants that such information is error-free, and ROHM
shall have no responsibility for any damages arising from any inaccuracy or misprint of suchinformation.
11) Please use the Products in accordance with any applicable environmental laws and regulations,such as the RoHS Directive. For more details, including RoHS compatibility, please contact aROHM sales office. ROHM shall have no responsibility for any damages or losses resulting
non-compliance with any applicable laws or regulations.
12) When providing our Products and technologies contained in this document to other countries,
you must abide by the procedures and provisions stipulated in all applicable export laws andregulations, including without limitation the US Export Administration Regulations and the Foreign
Exchange and Foreign Trade Act.
13) This document, in part or in whole, may not be reprinted or reproduced without prior consent ofROHM.

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R1102B