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Microinverters are often used as an alternative to string inverters to perform the DC to AC power conversion at solar panel level in residential photovoltaic systems. A solar micro inverter helps maximize energy yield and mitigate problems related to partial shading, dirt or single PV panel failures. A microinverter is composed of a DC-DC converter implementing Maximum Power Point Tracking (MPPT) and a DC-AC inverter to shape current and voltage for injection into the AC grid. Data – including voltage, current and power generated - from all microinverters in the installation are collected and logged by a concentrator and then dispatched to a local or remote monitoring and control access point.

Auxiliary SMPS

Standard Serial EEPROM

STM32F0

N-channel STripFET > 30 V to 350 V

800V to 1200V Ultrafast Rectifiers

800V to 1200V Ultrafast Rectifiers

Standard Serial EEPROM

Auxiliary SMPS

Solar Inverters (String and Central)

Solar Inverters (String and Central)

Our products for efficient microinverters

Our solutions and ICs for your microinverter design include power MOSFETs, high-voltage, galvanically isolated gate drivers and high-voltage silicon-carbide (SiC) diodes. Combined with high-performance STM32 microcontrollers, ST can provide a set of dedicated peripherals to help implement complex power conversion control algorithms. Energy metering ICs, wireless and wired connectivity solutions including multi-standard Power Line Communication (PLC) modems complete this portfolio.

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Getting started with STM32F334 for digital power conversion

Build your new power management digital solutions!

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	Resource title	Version	Latest update
PDF	DN0010 Adapting ST power line modem evaluation boards to communicate over a DC bus	1.2	18 Mar 2022	18 Mar 2022 DN0010 Adapting ST power line modem evaluation boards to communicate over a DC bus 1.2

	Resource title	Version	Latest update
PDF	EEPROM 2 Mbit highest density memories	1.0	01 Apr 2022	01 Apr 2022 EEPROM 2 Mbit highest density memories 1.0
PDF	Microinverter_marketing_pres	2.2	15 Jun 2018	15 Jun 2018 Microinverter_marketing_pres 2.2

	Resource title	Version	Latest update
PDF	60, 80 and 100 V STripFET™ F7 MOSFETs	1.0	23 May 2022	23 May 2022 60, 80 and 100 V STripFET™ F7 MOSFETs 1.0
PDF	ST Diodes Finder : the new app for Android and iOS	2.0	01 Apr 2022	01 Apr 2022 ST Diodes Finder : the new app for Android and iOS 2.0
PDF	Turnkey power line communication chipset for smart-energy infrastructure	1.0	11 May 2022	11 May 2022 Turnkey power line communication chipset for smart-energy infrastructure 1.0

	Resource title	Version	Latest update
PDF	Power Management Guide	10.2021	01 Apr 2022	01 Apr 2022 Power Management Guide 10.2021
PDF	STM32F3 series - Mainstream 32-bit MCUs	17.09	23 May 2022	23 May 2022 STM32F3 series - Mainstream 32-bit MCUs 17.09

	Resource title	Version	Latest update
PDF	Innovative architectures for solar energy applications: st microinverter system solution	1.0	15 Jun 2018	15 Jun 2018 Innovative architectures for solar energy applications: st microinverter system solution 1.0

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Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu	STPOWER MOSFET Finder	Active	STPOWER MOSFET finder mobile app for tablets and smartphones	Finder Apps	ST	STPOWER MOSFET Finder Description: STPOWER MOSFET finder mobile app for tablets and smartphones

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Microinverter

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Application Notes (5 of 16)

Design Notes & Tips (1)

Presentations (2)

Flyers (3)

Brochures (2)

Magazine Articles (1)

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	Resource title	Version	Latest update
PDF	AN4070 250 W grid connected microinverter	1.0	13 Sep 2018	13 Sep 2018 AN4070 250 W grid connected microinverter 1.0
PDF	AN604 Calculation of conduction losses in a power rectifier	3.2	01 Apr 2022	01 Apr 2022 AN604 Calculation of conduction losses in a power rectifier 3.2
PDF	AN4021 Calculation of reverse losses in a power diode	1.0	01 Apr 2022	01 Apr 2022 AN4021 Calculation of reverse losses in a power diode 1.0
PDF	AN4381 Current sharing in parallel diodes	1.0	29 Mar 2022	29 Mar 2022 AN4381 Current sharing in parallel diodes 1.0
PDF	AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process	1.0	05 Apr 2022	05 Apr 2022 AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process 1.0
PDF	AN3432 How to choose a bypass diode for silicon panel junction box	1.0	23 Apr 2021	23 Apr 2021 AN3432 How to choose a bypass diode for silicon panel junction box 1.0
PDF	AN1453 NEW FAMILY OF 150V POWER SCHOTTKY	1.1	29 Mar 2022	29 Mar 2022 AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
PDF	AN4242 New generation of 650 V SiC diodes	2.0	06 Jul 2021	06 Jul 2021 AN4242 New generation of 650 V SiC diodes 2.0
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages	4.0	05 Apr 2022	05 Apr 2022 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN5088 Rectifiers thermal management, handling and mounting recommendations	2.0	01 Apr 2022	01 Apr 2022 AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
PDF	AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting	3.6	29 Mar 2022	29 Mar 2022 AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
PDF	AN443 SERIES OPERATION ON FAST RECTIFIERS	2.1	29 Mar 2022	29 Mar 2022 AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
PDF	AN4068 ST7580 power line communication system-on-chip design guide	2.0	19 Mar 2021	19 Mar 2021 AN4068 ST7580 power line communication system-on-chip design guide 2.0
PDF	AN4390 ST’s MOSFET technologies for uninterruptible power supplies	1.1	17 Mar 2021	17 Mar 2021 AN4390 ST’s MOSFET technologies for uninterruptible power supplies 1.1
PDF	AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION	1.1	29 Mar 2022	29 Mar 2022 AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1
PDF	AN869 Tj max limit of Schottky diodes	2.2	29 Mar 2022	29 Mar 2022 AN869 Tj max limit of Schottky diodes 2.2

Search History

Bookmark

Microinverter

Our products for efficient microinverters

Featured Videos

All resources

Application Notes (5 of 16)

Design Notes & Tips (1)

Presentations (2)

Flyers (3)

Brochures (2)

Magazine Articles (1)

All tools & software

Finder Apps

ST Diode Finder

STPOWER MOSFET Finder

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