Motor Drivers, Stepper | LB11946

PWM 電流制御ステッピング・モータ・ドライバ

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LB11946 は、固定オフ時間付き PWM 電流制御バイポーラ・ドライブ (固定 OFF 時間) を実装している PWM 電流制御ステッパ・モータです。固定 VREF 電圧を使用する 15 の電源設定レベルがあり、1 ～ 2 相励磁駆動から 4W 1 ～ 2 相励磁駆動までマイクロステッピング駆動のサポートがあります。このドライブは、プリンタのキャリッジ駆動や紙送りに使用されるようなステッパ・モータの駆動に最適です。

  • ステッパモーター
  • プリンタ
  • PWM 電流制御(OFF 時間固定方式)
  • ロジック入力シリアル・パラレル変換機能(1-2,W1-2,2W1-2,4W1-2 相励磁駆動可能)
  • 電流減衰切換え機能(SLOW DECAY,FAST DECAY,MIS DECAY モード)
  • 上下出力ダイオード内蔵

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