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选择性催化还原(SCR)是将氮氧化物(NOx)转化为双原子氮和水以及少量二氧化碳的化学过程。通过添加汽车级尿素(称为柴油机尾气处理液(DEF)或商业品牌如AdBlue和Bluetech),将柴油引擎的有害NOx排放转化为无害的氮和水的一个过程。

SCR模块控制泵从储罐中抽出DEF,并用适当的计量阀将其注入柴油机废气中。为了优化燃油效率,在催化还原过程之后使用气体传感器,然后将气体传感器的信息输送到柴油引擎ECU,后者将该信息与引擎状态相结合,向SCR单元提供有关待释放的正确DEF液体量的准确信息。

我们为常用的无刷直流(BLDC)电机提供一系列三相栅极驱动器和功率MOSFET,以及SPC5 32位微控制器和带有调压器和CAN与LIN接口IC的专用电源管理IC,从而简化高效解决方案的设计过程。

00 Files selected for download

技术文档

    • Description 版本 文档大小 Action
      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
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      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
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN4381

      Current sharing in parallel diodes

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      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

      AN869

      Tj max limit of Schottky diodes

演示和培训资料

    • Description 版本 文档大小 Action
      ST Analog Products for Automotive applications 11.2017
      2.05 MB
      PDF

      ST Analog Products for Automotive applications

出版刊物和宣传资料

    • Description 版本 文档大小 Action
      Automotive powertrain and safety ICs 1.0
      838.51 KB
      PDF

      Automotive powertrain and safety ICs

    • Description 版本 文档大小 Action
      STMicroelectronics enables electronic control of the next generation of Gasoline Direct Injection (GDI) engines. 1.0
      822.68 KB
      PDF

      STMicroelectronics enables electronic control of the next generation of Gasoline Direct Injection (GDI) engines.

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Diodes (Power Schottky & FERD) Smart Selector

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