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Microwave Ovens

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The key component of a microwave oven is the microwave generator, also called a magnetron, which is based on a high-frequency resonant power converter that drives a transformer followed by a voltage multiplier bridge to generate the high voltage (several kilovolts) required to drive the magnetron.

ST offers a range of trench-gate field-stop IGBTs and gate drivers that together with high-performance STM32 microcontrollers are ideal for the design of high-efficiency microwave generators. We also supply triacs and AC switches to drive the lamp and the motors for the turntable and fan, as well as a set of environmental sensors and LED and LCD display drivers, touchscreen controllers and proximity sensors for touch-less user interfaces.

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      		AN4479
      12 V, 15 W peak 20 W isolated flyback converter based on VIPer38LE       		1.0
      1.08 MB
      		PDF
      		AN4260
      12 V, 150 mA non-isolated buck converter using the VIPER06XS, from the VIPerâ„¢ plus family       		4.2
      3.5 MB
      		PDF
      		AN5057
      12 V, 7.8 W isolated flyback converter based on VIPer114LS       		1.0
      2.34 MB
      		PDF
      		AN4924
      12 V, 8.4 W peak power 30 W isolated flyback converter using VIPer38HD       		1.0
      2.94 MB
      		PDF
      		AN4812
      15 W, 12 V output, isolated flyback converter using Viper35HD device from the VIPerâ„¢ Plus family of high voltage converters       		1.0
      1.5 MB
      		PDF
      		AN4830
      15 W, 5 V - 12 V double output, isolated flyback converter based on Viper37LE/D       		1.0
      3.13 MB
      		PDF
      		AN4941
      7 W dual output (-5 V/+7 V) non-isolated flyback converter with capacitive touch sensing using VIPer0P and STM32L052       		1.0
      3.43 MB
      		PDF
      		AN4722
      HTS221 digital humidity sensor: hardware guidelines for system integration       		1.0
      844.49 KB
      		PDF
      		AN2648
      Increasing the resolution of analog temperature sensors       		1.4
      161.7 KB
      		PDF
      		AN4836
      STEVAL-ISA174V1: VIPer0P 7 W double output non-isolated flyback       		2.0
      4.05 MB
      		PDF
      		AN4855
      STEVAL-ISA177V1 5 V/4.25 W non-isolated flyback demo with VIPer01       		2.0
      8.82 MB
      		PDF
      		AN4858
      STEVAL-ISA178V1 5 V/1 W 30 kHz buck demo with VIPer01       		1.0
      1.84 MB
      		PDF
      		AN4905
      STEVAL-ISA180V1 12 V/0.6 A isolated flyback demo with VIPer0P       		1.0
      2.55 MB
      		PDF
      		AN5081
      STEVAL-ISA195V1: 5 V/1.8 W 30 kHz buck demo with the VIPer11       		2.0
      4.1 MB
      		PDF
      		AN5072
      STEVAL-ISA196V1: VIPer11 5V/1.2A non-isolated flyback       		1.0
      4.21 MB
      		PDF
      		AN4419
      VIPER37HE: 15 W wide range single output evaluation board       		1.0
      1.42 MB
      		PDF
      AN4479

      12 V, 15 W peak 20 W isolated flyback converter based on VIPer38LE

      PDF
      AN4260

      12 V, 150 mA non-isolated buck converter using the VIPER06XS, from the VIPerâ„¢ plus family

      PDF
      AN5057

      12 V, 7.8 W isolated flyback converter based on VIPer114LS

      PDF
      AN4924

      12 V, 8.4 W peak power 30 W isolated flyback converter using VIPer38HD

      PDF
      AN4812

      15 W, 12 V output, isolated flyback converter using Viper35HD device from the VIPerâ„¢ Plus family of high voltage converters

      PDF
      AN4830

      15 W, 5 V - 12 V double output, isolated flyback converter based on Viper37LE/D

      PDF
      AN4941

      7 W dual output (-5 V/+7 V) non-isolated flyback converter with capacitive touch sensing using VIPer0P and STM32L052

      PDF
      AN4722

      HTS221 digital humidity sensor: hardware guidelines for system integration

      PDF
      AN2648

      Increasing the resolution of analog temperature sensors

      PDF
      AN4836

      STEVAL-ISA174V1: VIPer0P 7 W double output non-isolated flyback

      PDF
      AN4855

      STEVAL-ISA177V1 5 V/4.25 W non-isolated flyback demo with VIPer01

      PDF
      AN4858

      STEVAL-ISA178V1 5 V/1 W 30 kHz buck demo with VIPer01

      PDF
      AN4905

      STEVAL-ISA180V1 12 V/0.6 A isolated flyback demo with VIPer0P

      PDF
      AN5081

      STEVAL-ISA195V1: 5 V/1.8 W 30 kHz buck demo with the VIPer11

      PDF
      AN5072

      STEVAL-ISA196V1: VIPer11 5V/1.2A non-isolated flyback

      PDF
      AN4419

      VIPER37HE: 15 W wide range single output evaluation board

      PDF
    • Description Version Size Action
      		TN1219
      HTS221 digital humidity sensor: reference design implementation       		2.0
      367.08 KB
      		PDF
      		TN1218
      Interpreting humidity and temperature readings in the HTS221 digital humidity sensor       		4.0
      3.67 MB
      		PDF
      TN1219

      HTS221 digital humidity sensor: reference design implementation

      PDF
      TN1218

      Interpreting humidity and temperature readings in the HTS221 digital humidity sensor

      PDF

Presentations & Training Material

    • Description Version Size Action
      		ST MEMS Longevity Program 1.0
      471.09 KB
      		PDF

      ST MEMS Longevity Program

      PDF

Publications and Collaterals

    • Description Version Size Action
      		Industrial MEMS motion sensors 1.0
      1.36 MB
      		PDF

      Industrial MEMS motion sensors

      PDF
    • Description Version Size Action
      		VIPerPlus - Your SMPS design deserves a Plus 05.2018
      1.08 MB
      		PDF
      		VIPerPlus evaluation boards 05.2018
      1,002.52 KB
      		PDF

      VIPerPlus - Your SMPS design deserves a Plus

      PDF

      VIPerPlus evaluation boards

      PDF

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.

Diodes and Rectifiers

Part number Description
STPS2150 150 V, 2 A Power Schottky Rectifier
STPS6M100DEE 100 V, 6 A PowerFLAT Power Schottky Rectifier
Part number
STPS2150
150 V, 2 A Power Schottky Rectifier
STPS6M100DEE
100 V, 6 A PowerFLAT Power Schottky Rectifier

Imaging and Photonics Solutions

Part number Description
VL53L0X World smallest Time-of-Flight (ToF) ranging sensor
VL53L1X Long distance ranging Time-of-Flight sensor based on ST FlightSense technology
VL6180X Proximity sensor, gesture and ambient light sensing (ALS) module
Part number
VL53L0X
World smallest Time-of-Flight (ToF) ranging sensor
VL53L1X
Long distance ranging Time-of-Flight sensor based on ST FlightSense technology
VL6180X
Proximity sensor, gesture and ambient light sensing (ALS) module

MEMS and Sensors

Part number Description
HTS221 Capacitive digital sensor for relative humidity and temperature
STLM20 Analog temperature sensor, ultra-low current 2.4 V, high precision
STTS751 2.25 V low-voltage local digital temperature sensor
Part number
HTS221
Capacitive digital sensor for relative humidity and temperature
STLM20
Analog temperature sensor, ultra-low current 2.4 V, high precision
STTS751
2.25 V low-voltage local digital temperature sensor

Power Transistors

Part number Description
STGW20IH125DF 1250 V, 20 A IH series trench gate field-stop IGBT
STGW28IH125DF 1250 V, 25 A IH series trench gate field-stop IGBT
Part number
STGW20IH125DF
1250 V, 20 A IH series trench gate field-stop IGBT
STGW28IH125DF
1250 V, 25 A IH series trench gate field-stop IGBT

Protection Devices

Part number Description
ESDA5V3SC5 Quad Transilâ„¢ array for ESD protection
SMA4F12A 400 W TVS in SMA Flat
SMA4F5.0A 400 W TVS in SMA Flat
Part number
ESDA5V3SC5
Quad Transilâ„¢ array for ESD protection
SMA4F12A
400 W TVS in SMA Flat
SMA4F5.0A
400 W TVS in SMA Flat

Thyristors (SCR) and AC Switches

Part number Description
ACST310-8FP Overvoltage protected AC switch
T1635T-8I Snubberlessâ„¢ 16 A Triac
Part number
ACST310-8FP
Overvoltage protected AC switch
T1635T-8I
Snubberlessâ„¢ 16 A Triac