Rohm BD63 EFV-EKV-001 Series User Manual Download Page 14 | Manualshive

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© 2019 ROHM Co., Ltd.

No.64UG012E Rev.002

April.2021

User’s Guide

BD63xxxEFV-EVK-001

Figure 12. Evaluation board ( Mid Layer2 )

Figure 13. Evaluation board ( Bottom Layer )

Evaluation board Layout

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Summary of Contents for BD63 EFV-EKV-001 Series

Page 1: ...odes The input interface adopts CLK IN drive type and the excitation mode supports FULL STEP HALF STEP QUATER STEP 1 8 STEP 1 16 STEP mode by built in DAC Lineup of Board support model 1 2 Application...

Page 2: ...01 1 3 Appearance of Evaluation Board Figure 1 BD63725BEFV EVK 001 Evaluation Board SW1 SW2 SW3 SW4 SW5 SW6 OUTPUT Terminal SW1 SW2 SW3 SW4 SW5 SW6 DC Supply for VCC DC supply for setting to control v...

Page 3: ...l 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 Curre...

Page 4: ...r testing 4 RNF1S Input terminal of current detection comparator 18 MODE0 Motor excitation mode setting terminal 5 OUT1A H bridge output terminal 19 MODE1 Motor excitation mode setting terminal 6 NC N...

Page 5: ...FV 9 70x6 40x1 00 1 C0 1nF Murata GCM21BR71H104KA37L 1608 1 Chopping frequency setting C1 100uF Nichicon UVZ1J101MPD1TD 10x12 5 1 Power supply stabilization C2 100nF Murata GCM188R71H102KA3D 2012 1 Po...

Page 6: ...to OFF 4 If input CLK Signal MODE0 Signal CW_CCW Signal ENABLE Signal and MODE1 Signal via CN2 set SW6 SW3 SW5 and SW2 to OPEN Please set TEST Terminal to OPEN 5 Connect Oscillator to CLK Terminal Set...

Page 7: ...to HI please note that there is a delay of 40 s Max before it is returned from standby state to normal state and the motor output becomes ACTIVE The electrical angle initial electrical angle of each e...

Page 8: ...set the output current value The output current value max value can be set by VREF voltage R20 R21 C4 and current detecting resistor RNF resistor R1 R2 R7 R8 This board does not implement R20 R21 C4...

Page 9: ...inal is repeatedly charged and discharged between the VCRH and VCRL levels The output of the current detection comparator is masked while charging from VCRL to VCRH As mentioned above this period defi...

Page 10: ...increases and there is a risk that the output current may exceed the setting value due to the internal L and R components of the output motor coil Also ensure that the chopping period tCHOP is not se...

Page 11: ...decay reducing distortion of the output current waveform However fast decay yields a much larger output current ripple which decreases the overall average current running through the motor This causes...

Page 12: ...re 8 CR voltage and output current at MIX DECAY MTH terminal input voltage V Current decay mode 0 0 to 0 3 SLOW DECAY 0 4 to 1 0 MIX DECAY 1 5 to 3 5 FAST DECAY FAST DECAY SLOW DECAY CR Voltage Curren...

Page 13: ...1 User s Guide BD63xxxEFV EVK 001 Figure 11 Evaluation board Mid Layer1 Figure 9 Evaluation board Silkscreen Figure 10 Evaluation board Top Layer 6 Evaluation Board Layout Board size 80mm x 80mm x 1 6...

Page 14: ...14 16 2019 ROHM Co Ltd No 64UG012E Rev 002 April 2021 User s Guide BD63xxxEFV EVK 001 Figure 12 Evaluation board Mid Layer2 Figure 13 Evaluation board Bottom Layer Evaluation board Layout continued...

Page 15: ...16 HALF STEP B CLK 1200Hz Figure 17 QUARTER STEP CLK 2400Hz Figure 18 1 8 STEP CLK 4800Hz Figure 19 1 16 STEP CLK 9600Hz 7 Driving Waveforms Conditions VCC 24 V VREF 0 5 V MTH 0 5 V CR 39 k 1000 pF R...

Page 16: ...16 16 2019 ROHM Co Ltd No 64UG012E Rev 002 April 2021 User s Guide BD63xxxEFV EVK 001 Revision History Date Revision Changes 26 Apr 2021 002 New Release...

Page 17: ...ch technical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified...

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