Microwave Oven

Microwave Oven

Such as low noise, low power consumption and miniaturization are important in designing microwave oven. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, magnetron driving circuit units, sensor signal input units, etc., along with circuit configuration examples.

Overall block diagram

Click the area you want to check the details in the overall block diagram. Show links to our proposed sub-block diagram.

 DC-DC DC-DC Control Button Control Button Magnetron Magnetron Steam Heater Steam Heater Grill Heater GrillHeater Cooling Fan Cooling Fan MCU, Photocoupler, Display Controller, LEDs MCU, Photocoupler, Display Controller, LEDs 12 V / 2 A 12 V / 2 A 100 to 240 VAC 100 to 240 VAC Door Switch Door Switch Thermostat Thermostat M M Antenna Motor AntennaMotor M M Boost Circuit BoostCircuit Relay Relay Relay Relay Relay Relay Relay Relay Temperature Sensor Temperature Sensor Key Input Key Input Display Display LED LED Weight Sensor Weight Sensor Main Control MCU Main Control MCU Display Control MCU DisplayControl MCU Photocoupler Photocoupler Magnetron drive circuit LED drive circuit Weight sensor circuit Temperature sensor circuit Relay drive circuit Flyback type AC-DC converter
Magnetron drive circuit

Example of magnetron drive circuit using bipolar transistor

Example of magnetron drive circuit using gate driver coupler

Flyback type AC-DC converter

Example of flyback type AC-DC converter

Relay drive circuit

Example of mechanical relay drive circuit using bipolar transistor

LED drive circuit

Example of LED drive circuit using bipolar transistor

Temperature sensor circuit

Example of the circuit using operational amplifier for amplifying temperature sensor signal

Weight sensor circuit

Example of the circuit using operational amplifier for amplifying weight sensor signal

Sub block diagram

Magnetron drive circuit
Magnetron drive circuit (Using bipolar transistor)

Example of magnetron drive circuit using bipolar transistor

Example of magnetron drive circuit using bipolar transistor
Bipolar transistor
Part Number
TMBT3906
TMBT3904
2SC4116
Toshiba Package Name SOT-23 (SOT23) SOT-23 (SOT23) SOT-323 (USM)
VCEO (Max) [V] -50 50 50
IC (Max) [A] -0.2 0.2 0.15
Polarity PNP NPN NPN
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Bipolar transistor for IGBT gate drive
Part Number
HN4B101J
HN4B102J
TPCP8901
TPCP8902
Toshiba Package Name SOT-25 (SMV) SOT-25 (SMV) PS-8 PS-8
VCEO (Q1) (Max) [V] -30 30 -50 -30
VCEO (Q2) (Max) [V] 30 -30 50 30
IC (Q1) (Max) [A] -1.0 2 -0.8 -2.0
IC (Q2) (Max) [A] 1.2 -1.8 1 2.0
Polarity (Q1) PNP NPN PNP PNP
Polarity (Q2) NPN PNP NPN NPN
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Discrete IGBT
Part Number
GT40QR21
GT30J110SRA
GT30N135SRA
Toshiba Package Name TO-3P(N) TO-3P(N) TO-247
VCES (Max) [V] 1200 1100 1350
IC (Max) [A] 40 60 30
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MCU
Series TX03 Series
Group M380グループ
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Magnetron drive circuit (Using gate driver coupler)

Example of magnetron drive circuit using gate driver coupler

Example of magnetron drive circuit using gate driver coupler
IGBT gate driver coupler(1)
Part Number
TLP5771H
TLP5772H
TLP5774H
Toshiba Package Name SO6L SO6L SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000
VCC / VDD (Min) [V] 10 10 10
VCC / VDD (Max) [V] 30 30 30
ICC / IDD (Max) [mA] 3 3 3
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)
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IGBT gate driver coupler(2)
Part Number
TLP5751H
TLP5752H
TLP5754H
TLP5231
Toshiba Package Name SO6L SO6L SO6L SO16L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000
VCC / VDD (Min) [V] 15 15 15 15.0
VCC / VDD (Max) [V] 30 30 30 23.5
ICC / IDD (Max) [mA] 3 3 3 10.2
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)
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Discrete IGBT
Part Number
GT40QR21
GT30J110SRA
GT30N135SRA
Toshiba Package Name TO-3P(N) TO-3P(N) TO-247
VCES (Max) [V] 1200 1100 1350
IC (Max) [A] 40 60 30
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MCU
Series TX03 Series
Group M380グループ
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Flyback type AC-DC converter
Flyback type AC-DC converter

Example of flyback type AC-DC converter

Example of flyback type AC-DC converter
Rectifier diode
Part Number
CMG06A
Toshiba Package Name M-FLAT
VRRM (Max) [V] 600
IF(AV) (Max) [A] 1
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Switching Diodes
Part Number
1SS352
Toshiba Package Name SOD-323 (USC)
VR (Max) [V] 80
CT (Typ.) [pF] 0.5
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Transistor output photocoupler
Part Number
TLP383
TLP293
TLP385
Toshiba Package Name 4pin SO6L SO4 4pin SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750 5000
VCEO (Max) [V] 80 80 80
Topr [°C] -55 to 125 -55 to 125 -55 to 110
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Relay drive circuit
Relay drive circuit

Example of mechanical relay drive circuit using bipolar transistor

Example of mechanical relay drive circuit using bipolar transistor
Rectifier diode
Part Number
CMG06A
Toshiba Package Name M-FLAT
VRRM (Max) [V] 600
IF(AV) (Max) [A] 1
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Switching Diodes
Part Number
1SS352
Toshiba Package Name SOD-323 (USC)
VR (Max) [V] 80
CT (Typ.) [pF] 0.5
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Bipolar transistor
Part Number
TMBT3906
TMBT3904
2SC4116
Toshiba Package Name SOT-23 (SOT23) SOT-23 (SOT23) SOT-323 (USM)
VCEO (Max) [V] -50 50 50
IC (Max) [A] -0.2 0.2 0.15
Polarity PNP NPN NPN
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MCU
Series TX03 Series
Group M380グループ
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LED drive circuit
LED drive circuit

Example of LED drive circuit using bipolar transistor

Example of LED drive circuit using bipolar transistor
Bipolar transistor
Part Number
TMBT3906
TMBT3904
2SC4116
Toshiba Package Name SOT-23 (SOT23) SOT-23 (SOT23) SOT-323 (USM)
VCEO (Max) [V] -50 50 50
IC (Max) [A] -0.2 0.2 0.15
Polarity PNP NPN NPN
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MCU
Series TX03 Series
Group M380グループ
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Temperature sensor circuit
Temperature sensor circuit

Example of the circuit using operational amplifier for amplifying temperature sensor signal

Example of the circuit using operational amplifier for amplifying temperature sensor signal
Small surface mount LDO regulator(1)
Part Number
TCR15AG Series
TCR13AG Series
TCR8BM Series
TCR5BM Series
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
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Small surface mount LDO regulator(2)
Part Number
TCR5RG Series
TCR3RM Series
TCR3U Series
TCR2L Series
TAR5 Series
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
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Low current consumption op-amp / Low noise op-amp
Part Number
TC75S102F
TC75S67TU
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
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Weight sensor circuit
Weight sensor circuit

Example of the circuit using operational amplifier for amplifying weight sensor signal

Example of the circuit using operational amplifier for amplifying weight sensor signal
Small surface mount LDO regulator(1)
Part Number
TCR15AG Series
TCR13AG Series
TCR8BM Series
TCR5BM Series
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
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Small surface mount LDO regulator(2)
Part Number
TCR5RG Series
TCR3RM Series
TCR3U Series
TCR2L Series
TAR5 Series
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
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Low current consumption op-amp / Low noise op-amp
Part Number
TC75S102F
TC75S67TU
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
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Solution Proposal

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

Solution Proposal
SolutionProposal_Microwave Oven / English (PDF:1.5MB)
SolutionProposal_Microwave Oven / Japanese (PDF:2.0MB)

Reference Design

PCB Photo (example)
Application Circuit of Low Power Consumption Op-Amp TC75S102F
Application circuits of low power consumption Op-Amp TC75S102F for use with various sensors. These application circuits can be used for devices requiring long battery life, IoT sensor, energy harvesting, etc.
세부 사항

문서

Please see the following pages for other documents.

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.

스위치 모드 전원공급 라이브러리
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.

Motor Control and Driver Circuit Library
Online Circuit Simulator

This service allows users to easily perform pre-verification of MOSFETs without the need to build a simulation environment.

Online Circuit Simulator
EDA/CAD Model Library

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

EDA/CAD Model Library
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.

MCU Motor Studio
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  • M-FLATTM 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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