[AP1037CER]
018010615-J-00 - 2 - 2018/09
3. 目 次
1. 概 要 .............................................................................................................................................. 1
2. 特 長 .............................................................................................................................................. 1
3. 目 次 .............................................................................................................................................. 2
4. ブロック図 ....................................................................................................................................... 3
5. ピン配置と機能説明 ........................................................................................................................ 3
■ ピン配置図 .................................................................................................................................... 3
■ 機能説明 ....................................................................................................................................... 4
6. 絶対最大定格 ................................................................................................................................... 5
7. 推奨動作条件 ................................................................................................................................... 6
8. 電気的特性 ....................................................................................................................................... 6
■ 制御入力タイミング ..................................................................................................................... 7
9. 機能説明 ........................................................................................................................................... 8
9.1 入力端子説明 ................................................................................................................................... 8
■ 動作状態真理値 ............................................................................................................................ 8
■ ENABLEB : 出力イネーブル端子 ................................................................................................. 8
■ SLEEPB : スリープモード設定端子 ............................................................................................ 8
■ RESETB : Home Position 設定端子 ............................................................................................. 9
■ MODE1,MODE2 : モータ励磁モード設定端子 .......................................................................... 10
■ STEP : ステップ入力端子 .......................................................................................................... 10
■ DIR : モータ回転方向設定端子 ................................................................................................. 11
■ FS : PWMチョッパー周波数選択端子 ....................................................................................... 11
9.2 PWM定電流制御 ............................................................................................................................ 12
■ 最大電流設定算出方法 ............................................................................................................... 12
■ Active Decay Control (Slow+Fastのmix decay) 電流波形 ........................................................ 13
■ ブランキング時間 ....................................................................................................................... 13
■ 出力段トランジスタ動作モード ................................................................................................. 13
9.3 マイクロステップ機能 .................................................................................................................. 14
■ ステップシーケンス ................................................................................................................... 14
■ 各励磁モードでの電流波形例 .................................................................................................... 15
9.4 各種保護機能説明 ......................................................................................................................... 17
■ 過熱保護回路(TSD) .................................................................................................................... 17
■ 電圧検出回路 (UVLO)................................................................................................................. 17
■ 過電流保護回路 (OCP) ............................................................................................................... 18
10. 外部接続回路例 .............................................................................................................................. 19
■ 接続回路例 .................................................................................................................................. 19
■ レイアウト例 .............................................................................................................................. 20
11. パッケージ ..................................................................................................................................... 21
■ 外形寸法図 .................................................................................................................................. 21
■ 推奨ランドパターン図 ............................................................................................................... 21
■ マーキング図 .............................................................................................................................. 22
12. オーダリングガイド ...................................................................................................................... 22
13. 改訂履歴 ......................................................................................................................................... 22
重要な注意事項 ........................................................................................................................................ 23