[AP1037]
016016726-J-00 - 2 - 2017/01
3.
1. 概 要 ............................................................................................................................................................... 1
2. 特 長 ............................................................................................................................................................... 1
3. 目 次 ............................................................................................................................................................... 2
4. ブロック図 ....................................................................................................................................................... 3
5. オーダリングガイド ....................................................................................................................................... 3
6. ピン配置と機能説明 ....................................................................................................................................... 4
ピン配置図 ........................................................................................................................................................ 4
機能説明 ............................................................................................................................................................ 5
7. 絶対最大定格 ................................................................................................................................................... 6
8. 推奨動作条件 ................................................................................................................................................... 7
9. 電気的特性 ....................................................................................................................................................... 7
制御入力タイミング ........................................................................................................................................ 8
10. 機能説明 ............................................................................................................................................................ 9
10.1 入力端子説明 ............................................................................................................................................ 9
動作状態真理値表 ............................................................................................................................................ 9
ENABLEB : 出力イネーブル端子 ................................................................................................................... 9
SLEEPB : スリープモード設定端子 ............................................................................................................... 9
RESETB : Home Position 設定端子 ................................................................................................................ 10
MODE1,MODE2 : モーター励磁モード設定端子 ....................................................................................... 11
STEP : ステップ入力端子 .............................................................................................................................. 11
DIR : モーター回転方向設定端子 ............................................................................................................ 12
FS : PWMチョッパー周波数選択端子 ......................................................................................................... 12
10.2 PWM定電流制御 .................................................................................................................................... 13
最大電流設定算出方法 .................................................................................................................................. 13
Active Decay Control (Slow+Fastのmix decay) 電流波形 ............................................................................. 14
ブランキング時間 .......................................................................................................................................... 14
出力段トランジスタ動作モード .................................................................................................................. 14
10.3 マイクロステップ機能 .......................................................................................................................... 15
ステップシーケンス ...................................................................................................................................... 15
各励磁モードでの電流波形例 ...................................................................................................................... 16
10.4 各種保護機能説明 .................................................................................................................................. 18
過熱保護回路(TSD) ........................................................................................................................................ 18
電圧検出回路 (UVLO).................................................................................................................................... 18
過電流保護回路 (OCP) ................................................................................................................................... 19
11. 外部接続回路例 .......................................................................................................................................... 20
接続回路例 ...................................................................................................................................................... 20
レイアウト例 (AP1037AER) .............................................................................................................................. 21
12. パッケージ .................................................................................................................................................. 22
外形寸法図 ...................................................................................................................................................... 22
推奨ランドパターン図 ....................................................................................................................................... 23
マーキング図 .................................................................................................................................................... 24
13. 改訂履歴 ...................................................................................................................................................... 25
重要な注意事項 ..................................................................................................................................................... 26