Rohm BD63 EFV-EKV-001 Series, Руководство пользователя

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© 2019 ROHM Co., Ltd.
No.64UG012E Rev.002
April.2021
User’s Guide
BD63xxxEFV-EVK-001
Index
1. General Description .................................................................................................................................................................... 1
1.1 Features ................................................................................................................................................................................ 1
1.2 Application ............................................................................................................................................................................. 1
1.3 Appearance of Evaluation Board ........................................................................................................................................... 2
2. Product Details ........................................................................................................................................................................... 4
2.1 Block Diagram of Driver ........................................................................................................................................................ 4
2.2 Schematic Diagram of Evaluation Board ............................................................................................................................... 5
3. Connection and Operation .......................................................................................................................................................... 6
3.1 Neccesary Equipment ........................................................................................................................................................... 6
3.2 Connection of stepping motor to Equipment ......................................................................................................................... 6
4. Function Setting .......................................................................................................................................................................... 7
4.1 ENABLE (ENABLE Terminal) ................................................................................................................................................ 7
4.2 Power save (P.S.Terminal) .................................................................................................................................................... 7
4.3 Motor rotating direction setting (CW_CCW Terminal) ............................................................................................................ 7
4.4 Motor excitation mode setting (MODE0,MODE1 Terminal) ................................................................................................... 7
4.5 Connection terminal of CR for setting chopping frequency
（
CR Terminal
）
......................................................................... 8
4.6 Current decay mode setting
（
MTH Terminal
）
..................................................................................................................... 8
4.7 Output current value setting
（
VREF Terminal
）
,
Connection terminal of resister for detecting of output current
（
RNF1 Terminal,RNF2 Terminal
）
................................... 8
4.8 Clock input terminal for advancing the electrical angle (CLK Terminal) ................................................................................. 9
4.9 Setting of smoothing capacitors in the power supply
（
C1,C2
）
........................................................................................... 9
5. Operation Explanation ................................................................................................................................................................ 9
5.1 Chopping Operation .............................................................................................................................................................. 9
5.2 Current decay mode ............................................................................................................................................................ 11
6. Evaluation board layout ............................................................................................................................................................ 13
7. Waveforms ................................................................................................................................................................................ 15
Revision History ............................................................................................................................................................................ 16