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In residential photovoltaic systems Micro inverters are often used as an alternative to string inverters to perform the DC to AC power conversion at panel level helping maximize energy yield and mitigate problems related to partial shading, dirt or single panel failures. In a micro inverter there is 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 the micro inverters in the installation are collected by a concentrator and dispatched to a local or remote monitoring and control access point.

Our solution includes MDMESH power MOSFETs,  high-voltage,  galvanically isolated gate drivers, high-voltage silicon-carbide (SiC) diodes together with high-performance STM32 microcontrollers - providing a set of dedicated peripherals to help implement complex power conversion control algorithms. Metering ICs and a range of wireless and wired connectivity solutions including multi-standard Power line modems complete the solution.

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技术文档

    • Description 版本 文档大小 Action
      AN4070
      250 W grid connected microinverter
      1.0
      4.74 MB
      PDF
      AN604
      Calculation of conduction losses in a power rectifier
      3.2
      137.74 KB
      PDF
      AN4021
      Calculation of reverse losses in a power diode
      1.0
      120.47 KB
      PDF
      AN4381
      Current sharing in parallel diodes
      1.0
      449.12 KB
      PDF
      AN4653
      Cycling endurance and data retention of high density EEPROM based on CMOS F8H process
      1.0
      267.34 KB
      PDF
      AN3432
      How to choose a bypass diode for silicon panel junction box
      1.0
      290.27 KB
      PDF
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      PDF
      AN4242
      New generation of 650 V SiC diodes
      2.0
      4.75 MB
      PDF
      AN5046
      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages
      4.0
      4.82 MB
      PDF
      AN5088
      Rectifiers thermal management, handling and mounting recommendations
      2.0
      2.32 MB
      PDF
      AN533
      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting
      3.6
      217.19 KB
      PDF
      AN443
      SERIES OPERATION ON FAST RECTIFIERS
      2.1
      202.48 KB
      PDF
      AN4068
      ST7580 power line communication system-on-chip design guide
      2.0
      5.88 MB
      PDF
      AN4390
      ST’s MOSFET technologies for uninterruptible power supplies
      1.1
      1.22 MB
      PDF
      AN1542
      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION
      1.1
      57.47 KB
      PDF
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN4070

      250 W grid connected microinverter

      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN4381

      Current sharing in parallel diodes

      AN4653

      Cycling endurance and data retention of high density EEPROM based on CMOS F8H process

      AN3432

      How to choose a bypass diode for silicon panel junction box

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      AN4242

      New generation of 650 V SiC diodes

      AN5046

      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

      AN5088

      Rectifiers thermal management, handling and mounting recommendations

      AN533

      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting

      AN443

      SERIES OPERATION ON FAST RECTIFIERS

      AN4068

      ST7580 power line communication system-on-chip design guide

      AN4390

      ST’s MOSFET technologies for uninterruptible power supplies

      AN1542

      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

      AN869

      Tj max limit of Schottky diodes

    • Description 版本 文档大小 Action
      DN0010
      Adapting ST power line modem evaluation boards to communicate over a DC bus
      1.1
      405.64 KB
      PDF
      DN0010

      Adapting ST power line modem evaluation boards to communicate over a DC bus

演示和培训资料

    • Description 版本 文档大小 Action
      EEPROM 2 Mbit highest density memories 1.0
      2.49 MB
      PDF
      Microinverter_marketing_pres 2.2
      638.83 KB
      PDF
      ST products and solutions for solar energy 5.1
      2.09 MB
      PDF

      EEPROM 2 Mbit highest density memories

      Microinverter_marketing_pres

      ST products and solutions for solar energy

出版刊物和宣传资料

    • Description 版本 文档大小 Action
      400/650 V MDmesh™ DM2: ST’s new MOSFET series with integrated fast-recovery body diode 1.0
      342.97 KB
      PDF
      Industrial-grade SiC diodes - 650V and low VF - to boost the performance of power converters 2.0
      958.23 KB
      PDF
      ST Diodes Finder : the new app for Android and iOS 2.0
      1.46 MB
      PDF
      Turnkey PLC chipset for smart-energy infrastructure 10.2017
      775.07 KB
      PDF

      400/650 V MDmesh™ DM2: ST’s new MOSFET series with integrated fast-recovery body diode

      Industrial-grade SiC diodes - 650V and low VF - to boost the performance of power converters

      ST Diodes Finder : the new app for Android and iOS

      Turnkey PLC chipset for smart-energy infrastructure

    • Description 版本 文档大小 Action
      EEPROM selection guide 2.0
      1,007.87 KB
      PDF

      EEPROM selection guide

    • Description 版本 文档大小 Action
      电源管理 2017版指南 09.2017
      4.42 MB
      PDF
      Products and solutions for solar energy 1.0
      1.29 MB
      PDF
      STM32F3 series - Mainstream 32-bit MCUs 17.09
      2.18 MB
      PDF

      电源管理 2017版指南

      Products and solutions for solar energy

      STM32F3 series - Mainstream 32-bit MCUs

    • Description 版本 文档大小 Action
      Innovative architectures for solar energy applications: st microinverter system solution 1.0
      614.48 KB
      PDF

      Innovative architectures for solar energy applications: st microinverter system solution

开发工具硬件

    • 型号

      MOSFET product finder application for Android and iOS

      Diode product finder application for Android and iOS

      STM32 and STM8 product finder for mobile devices and desktops

MEMS and Sensors

Part number Description
LM135 Precision Temperature Sensor
STLM20 Analog temperature sensor, ultra-low current 2.4 V, high precision
STTS751 2.25 V low-voltage local digital temperature sensor
Part number
Precision Temperature Sensor
Analog temperature sensor, ultra-low current 2.4 V, high precision
2.25 V low-voltage local digital temperature sensor

电源管理

Part number Description
ALTAIR04-900 Off-line all-primary-sensing switching regulator
ALTAIR05T-800 Off-line all-primary-sensing switching regulator
L6985F 38 V 500 mA synchronous step-down switching regulator with 30 uA quiescent current
L6986F 38 V 1.5 A synchronous step-down switching regulator with 30 uA quiescent current
L7985 2A step-down switching regulator
L7986 3A step-down switching regulator
L7987 61 V 3 A asynchronous step-down switching regulator with adjustable current limitation
PM8834 4 A dual low side MOSFET driver
PM8841 Single channel low-side gate driver
PM8851 1A Low Side Gate Driver with configurable asymmetric sink/source
ST1S40 3A DC step-down switching regulator
ST1S50 4A Monolithic synchronous step-down converter with high efficiency at light load
STGAP1AS Automotive galvanically isolated single gate driver
Part number
Off-line all-primary-sensing switching regulator
Off-line all-primary-sensing switching regulator
38 V 500 mA synchronous step-down switching regulator with 30 uA quiescent current
38 V 1.5 A synchronous step-down switching regulator with 30 uA quiescent current
2A step-down switching regulator
3A step-down switching regulator
61 V 3 A asynchronous step-down switching regulator with adjustable current limitation
4 A dual low side MOSFET driver
Single channel low-side gate driver
1A Low Side Gate Driver with configurable asymmetric sink/source
3A DC step-down switching regulator
4A Monolithic synchronous step-down converter with high efficiency at light load
Automotive galvanically isolated single gate driver

Power Transistors

Part number Description
STB80N20M5 N-channel 200 V, 0.019 Ohm typ., 61 A MDmesh M5 Power MOSFET in D2PAK Package
Part number
N-channel 200 V, 0.019 Ohm typ., 61 A MDmesh M5 Power MOSFET in D2PAK Package

Protection Devices

Part number Description
1.5KE Transil 1500 W
BZW50 5000 W TVS
P6KE 600 W TVS in DO-15
SM15T Transil 1500W
SM6T 600 W TVS in SMB
SMBJ 600 W TVS in SMB
Part number
Transil 1500 W
5000 W TVS
600 W TVS in DO-15
Transil 1500W
600 W TVS in SMB
600 W TVS in SMB