IC manufacturers ROHM

IC manufacturers (103)

ROHM BD9G101G | Demoboard STEPMO_EVK_20E

Simple Step-down Switching Regulators with Built-in Power MOSFET

Overview

TopologyBuck Converter
Input voltage7 V
Switching frequency1300-1700 kHz
Output 10.5 A
IC revision007

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

  • Automotive Applications
  • Battery powered equipment
  • OA instruments
  • Industrial distributed power applications

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
Samples
WCAP-CSGP MLCCs 25 V(DC), 10 nF, ±10%
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 
WCAP-CSGP MLCCs 50 V(DC), 15 nF, ±10%
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Capacitance15 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
WCAP-CSGP MLCCs 50 V(DC), 4.7 µF, ±10%
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 
WCAP-CSGP MLCCs 16 V(DC), 10 µF, ±10%
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 
WE-MAPI SMT Power Inductor, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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