Design Win



This three-phase brushless motor driver represents a ready-to-use solution for heavy-duty cordless power tool applications supplied by higher voltage 8S to 15S battery packs. It frees developers from complex design considerations involving size constraints, heat management, operational and standby efficiency, as well as the control and feedback mechanisms necessary for high performance operation with guaranteed reliability.

The design is based on the highly integrated STSPIN32F0252 System-In-Package capable of driving three-phase brushless motors in various operating modes. The device incorporates an STM32 microcontroller with dedicated firmware ready to run field-oriented control, 6-step sensorless and other advanced driving algorithms, a triple half-bridge gate driver, and a comparator featuring advanced SmartShutDown functionality for rapid overload and overcurrent protection. High-voltage bootstrap diodes are also integrated, as well as anti-cross conduction, deadtime and UVLO protection on both the lower and upper driving sections to prevent the power switches from operating in low efficiency or failure causing conditions.

The power stage STL130N8F7 N-channel power MOSFET ensures very low switching losses, coupled with high current capability and low thermal resistance for highly efficient and reliable motor driving operation in a compact surface mount PowerFLAT 5x6 package. Auxiliary power for the control stage is managed by the VIPER013 high voltage converter in buck configuration in tandem with the LD1117 low drop voltage regulator

  • All Features

    • 8S~15Sのバッテリ(20VDC~72VDCの入力電圧)から給電する幅広い電動工具に最適
    • 最大19Aの電流を継続して供給
    • サーマル·シャットダウン / 減電圧ロックアウト / プログラム可能なしきい値 / スマート·シャットダウン機能による過電流保護など、さまざまな保護機能を搭載
    • ホール効果センサ·フィードバックに基づく6ステップ制御用に設定され、センサレス制御にも簡単に対応できる包括的なファームウェア。センサあり / センサレスのベクトル制御アルゴリズムへの置き換えも可能。