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自動車の燃費向上や、CO2排出量削減、および信頼性向上を実現するためには、さまざまエネルギー損失を考慮し、関連サブシステムの構築方法を再考する必要があります。この一環として、機械式燃料ポンプと比べて油圧による摩擦から生じる損失を低減する電動燃料ポンプの採用が増えています。

電動燃料ポンプはほとんどの場合、ブラシレスDC(BLDC)モータで実装されます。STは、このモータに給電する幅広い3相ゲート・ドライバとパワーMOSFETを提供しています。また、車載用32bitマイクロコントローラSPC5や専用の電圧レギュレータ、およびパワー・マネージメントICの提供により、高効率ソリューションの設計簡略化に貢献します。

    • Based on the EVAL-L99ASC03 evaluation board designed for sensorless 3-phase BLDC motor control, the system features enhanced power management power supply functions including various standby modes. The motherboard, based on an STM8 microcontroller, provides the logic section for monitoring and driving the L99ASC03G 3-phase motor pre-driver assembled in the daughterboard. 

      ST also provides dedicated user-friendly software with a Graphic User Interface (GUI) that enables the user to set L99ASC03G parameters while displaying device information in real time.

      Developers can easily evaluate their brushless DC motor control solution for a variety of circulation and booster pump applications for coolant, water, fuel or oil lines.

      ソリューション・コンポーネント
      製品型番 概要 ステータス コア製品 価格 (US$)*
      発注 / ダウンロード
      L99ASC03G

      主な特徴

      • AEC-Q100 qualified
      • 5 V low-drop voltage regulator (200 mA continuous mode)
      • Very low current consumption in standby mode (typ. 15 μA)
      • ST SPI interface for control and diagnostics
      • Window watchdog and fail-safe functionality
      • Two separate power supply pins
      • Three half-bridge drivers to control external MOSFETs (configurable by SPI)
      • Full drive of external MOSFETs down to 6 V input voltage
      • Input pin for each gate driver (with cross-current protection)
      • Two-stage charge pump supporting 100% duty cycle
      • PWM operation up to 80 kHz (not restricted)
      • Current-sense amplifier (configurable by SPI)
      • Disable input to turn off gate driver outputs
      • Analog multiplexer output to monitor external power supply voltages and internal junction temperature
      • Advanced BEMF detection IP
      • Overcurrent protection (programmable)
      • Drain-source monitoring and open-load detection
      • TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.5 mm) package

      続きを読む

      Brushless/Sensorless 3-phase motor pre-driver for automotive applications
      量産中
      2.5727
      EVAL-L99ASC03

      主な特徴

      • Two separated and signal shielded stages: driver & power
      • ISO pulse protection (not soldered)
      • Reverse polarity protection available on each battery voltage input: Vs, VSREG, power stage
      • Current reference comparator
      • PCB temperature sensor
      • Hall sensors connector and conditioning circuit
      • INH_wake-up button
      • Microcontroller configured to be supplied by L99ASC03 5V LDO
      • Flash mode configurable
      • Compatible with external power boards

      続きを読む

      Evaluation board for L99ASC03G three-phase pre-driver
      量産中
      L99ASC03G 317.54 購入
      L99ASC03G

      Description:

      Brushless/Sensorless 3-phase motor pre-driver for automotive applications

      価格 (US$)*

      2.5727

      Key features

      • AEC-Q100 qualified
      • 5 V low-drop voltage regulator (200 mA continuous mode)
      • Very low current consumption in standby mode (typ. 15 μA)
      • ST SPI interface for control and diagnostics
      • Window watchdog and fail-safe functionality
      • Two separate power supply pins
      • Three half-bridge drivers to control external MOSFETs (configurable by SPI)
      • Full drive of external MOSFETs down to 6 V input voltage
      • Input pin for each gate driver (with cross-current protection)
      • Two-stage charge pump supporting 100% duty cycle
      • PWM operation up to 80 kHz (not restricted)
      • Current-sense amplifier (configurable by SPI)
      • Disable input to turn off gate driver outputs
      • Analog multiplexer output to monitor external power supply voltages and internal junction temperature
      • Advanced BEMF detection IP
      • Overcurrent protection (programmable)
      • Drain-source monitoring and open-load detection
      • TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.5 mm) package

      続きを読む

      EVAL-L99ASC03

      Description:

      Evaluation board for L99ASC03G three-phase pre-driver

      価格 (US$)*

      317.54

      Key features

      • Two separated and signal shielded stages: driver & power
      • ISO pulse protection (not soldered)
      • Reverse polarity protection available on each battery voltage input: Vs, VSREG, power stage
      • Current reference comparator
      • PCB temperature sensor
      • Hall sensors connector and conditioning circuit
      • INH_wake-up button
      • Microcontroller configured to be supplied by L99ASC03 5V LDO
      • Flash mode configurable
      • Compatible with external power boards

      続きを読む


00 ファイルがダウンロード用に選択されています

技術文書

    • 概要 バージョン サイズ アクション
      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

関連資料

    • 概要 バージョン サイズ アクション
      Automotive powertrain and safety ICs 1.0
      326.05 KB
      PDF

      Automotive powertrain and safety ICs

    • 概要 バージョン サイズ アクション
      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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