[AP1034]
016003455-J-01 - 2 - 2016/06
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
MODE1,MODE2 : モーター励磁モード設定端子 ....................................................................................... 10
STEP : ステップ入力端子 .............................................................................................................................. 10
DIR : モーター回転方向設定端子 ................................................................................................................ 11
RESETB : Home Position 設定端子 ................................................................................................................ 11
FS : PWMチョッパー周波数選択端子 ......................................................................................................... 12
10.2 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
10.3 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
10.4 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
11. 外部接続回路例 .......................................................................................................................................... 19
接続回路例 ...................................................................................................................................................... 19
レイアウト例 (AP1034AER).............................................................................................................................. 20
12. パッケージ .................................................................................................................................................. 21
外形寸法図 ...................................................................................................................................................... 21
推奨ランドパターン図 ....................................................................................................................................... 22
マーキング図 .................................................................................................................................................... 23
13. 改訂履歴 ...................................................................................................................................................... 24
重要な注意事項 ..................................................................................................................................................... 25