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ROHM BD9G101G | Demoboard STEPMO_EVK_20F
ROHM Stepper Motor Driver IC Evaluation Kit based on Arduino/Genuino Platform
Overview
| Topology | Buck Converter |
| Input voltage | 7 V |
| Switching frequency | 1300-1700 kHz |
| Output 1 | 7 V / 0.5 A |
| IC revision | 007 |
Description
This EVK supports a variety of pin-compatible ROHM stepper motor driver ICs from standard, microstep, low voltage and high voltage families with CLK-IN (clock input) or PARA-IN (parallel input) control. They integrate PWM constant-current drive with adjustable decay ratio and the ability for full, half and microstepping. The ICs feature single supply operation by integrating the voltage regulator for the low power logic together with highly efficient DMOS output power stages. These do not require an internal charge pump so the motor drivers achieve low EMI performance. The motor drivers integrate various protection functions such as Ghost Supply Prevention (GSP), Thermal Shutdown (TSD), Over-Current Protection (OCP), Under / Over Voltage Lockout (UVLO / OVLO) high ESD resistance and Pin Short Protection for robust and reliable operation. The ICs are housed in compact HTSSOP-B28 power packages. For further details, please also consult the relevant product datasheets at http://www.rohm.com.
Features
- Designed as plug-in Shield for Arduino platform
- Recommended: Arduino Uno
- Several model variants covering wide range of pin-compatible stepper driver ICs
- Support of bipolar or unipolar stepper motors
- Adjustable current limit
- Adjustable current decay mode
- Single supply operation
- Stackable design to allow controlling two motors at the same time
- Reverse power supply protection
- Software library for Arduino IDE
- Arduino example programs (Sketches)
Typical applications
- Industrial distributed power applications
- Automotive Applications
- Battery powered equipment
- OA instruments
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | Technical Reference | VDC(V) | VBR(V) | IPeak(A) | PDiss(W) | VClamp max.(V) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 10 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | Technical ReferenceX7R0603103K025DFCT10000 | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 4.7 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance4.7 µF | Capacitance±10% | Rated Voltage50 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance0.02 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height2.5 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | Technical ReferenceX7R1210475K050DFCT10000 | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 10 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance10 µF | Capacitance±10% | Rated Voltage16 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height2 mm | Pad Dimension0.75 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | Technical ReferenceX7R1210106K016DFCT10000 | – | – | – | – | – | |||||
 | WE-MAPI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | – | Size4020 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length4 mm | Width4 mm | Height2 mm | – | – | Inductance5.6 µH | Performance Rated Current3.85 A | Saturation Current @ 30%5.5 A | DC Resistance68 mΩ | Self Resonant Frequency20 MHz | Operating Voltage80 V | MountSMT | – | – | – | – | – | – | ||||
 | WE-TVSP Power TVS Diode, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TVSP Power TVS Diode | – | – | – | SizeDO-214AB | Operating Temperature -65 °C up to +150 °C | – | – | – | Length6.86 mm | Width5.91 mm | Height2.5 mm | – | – | – | – | – | – | – | – | MountSMT | Technical ReferenceSMCJ40A | DC Operating Voltage40 V | (Reverse) Breakdown Voltage46.75 V | (Reverse) Peak Pulse Current23.3 A | Power Dissipation1500 W | Clamping Voltage [max.]64.5 V |