SLVUDM2 October   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Quick Setup – Motor Run Mode
    2. 2.2 Quick Setup – OTP Programming Mode
    3. 2.3 Hardware Overview
      1. 2.3.1 Motor PCB connection to MC121EVM
      2. 2.3.2 External Analog Speed Input
      3. 2.3.3 Onboard 12V Boost Circuit
    4. 2.4 MSP430FR2355 Microcontroller
  8. 3Software
    1. 3.1 EVM Firmware
    2. 3.2 GUI Installation
    3. 3.3 Getting Started With Motorstudio for MC121
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  10. 5Additional Information
    1.     Trademarks

4.3 Bill of Materials (BOM)

The bill of materials for MC121EVM is listed in Table 4-1

Table 4-1 Bill of Materials
Designator Quantity Value Description PackageReference PartNumber Manufacturer
!PCB1 1 Printed Circuit Board MC121EVM Any
C1, C4 2 10µF CL21 Series 0805 10uF 16V ±10% Tolerance X7S Multilayer Ceramic Chip Capacitor 0805 CL21Y106KOQ4PNE Samsung
C2, C3, C5, C6 4 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X8R, AEC-Q200 Grade 0, 0603 0603 CGA3E3X8R1H104K080AB TDK
C7, C8, C10, C11, C13 5 0.1uF CAP, CERM, 0.1 uF, 10 V, +/- 10%, X7R, 0603 0603 0603ZC104KAT2A AVX
C9, C26 2 1uF CAP, CERM, 1 µF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603 0603 EMK107B7105KAHT Taiyo Yuden
C12 1 4.7uF CAP, CERM, 4.7 uF, 10 V, +/- 20%, X7R, 0603 0603 GRM188Z71A475ME15D MuRata
C14, C20 2 1000pF CAP, CERM, 1000 pF, 16 V, +/- 10%, X7R, 0603 0603 8.85012E+11 Wurth Elektronik
C15 1 1uF CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, 0805 0805 8.85012E+11 Wurth Elektronik
C16 1 2.2uF CAP, CERM, 2.2 uF, 16 V, +/- 10%, X7R, 0603 0603 EMK107BB7225KA-T Taiyo Yuden
C17 1 1uF CAP, CERM, 1 uF, 100 V, +/- 10%, X7R, 1206 1206 CL31B105KCHNNNE Samsung
C18, C19, C24 3 0.1uF CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7S, AEC-Q200 Grade 1, 0603 0603 CGA3E3X7S2A104K080AB TDK
C21 1 0.01uF CAP, CERM, 0.01 uF, 16 V, +/- 10%, X7R, 0603 0603 8.85012E+11 Wurth Elektronik
C22 1 WCAP-CSGP Multilayer Ceramic Chip Capacitor, General Purpose, size 0402, NP0, 47pF, 10VDC Wurth Elektronik
C23 1 100pF Chip Multilayer Ceramic Capacitors for General Purpose, 0201, 100pF, C0G, 30ppm/°C, 2%, 50V 0201 GRM0335C1H101GA01D Murata
C25 1 1000pF CAP, CERM, 1000 pF, 25 V,+/- 5%, C0G/NP0, 0402 0402 C0402C102J3GACTU Kemet
C27 1 220pF CAP, CERM, 220 pF, 10 V, +/- 10%, X7R, 01005 01005 GRM022R71A221KA01 MuRata
D1 1 40V Diode, Schottky, 40 V, 3 A, SOD-128 SOD-128 RBR3LAM40ATR Rohm
D2, D4 2 Bright Green LED, Bright Green, SMD LED_0805 150080VS75000 Wurth Elektronik
D3, D12 2 5.6V Diode, Zener, 5.6 V, 300 mW, SOT-23 SOT-23 AZ23C5V6-TP Micro Commercial Components
D5 1 40V Diode, Schottky, 40 V, 0.75 A, AEC-Q101, SOD-323 SOD-323 BAT165E6327HTSA1 Infineon Technologies
D6 1 Red LED, Red, SMD Red LED, 1.6x0.8x0.8mm LTST-C190KRKT Lite-On
D7 1 Green LED, Green, SMD 1.6x0.8x0.8mm LTST-C190KGKT Lite-On
D8 1 10V Diode, Zener, 10 V, 300 mW, AEC-Q101, SOD-323 SOD-323 SZMM3Z10VST1G ON Semiconductor
D9 1 Blue LED, Blue, SMD LED_0603 150060BS75000 Wurth Elektronik
D13 1 RGB LED, RGB, TH 1.6x1.6mm 19-337/R6GHBHC-A01/2T Everlight
F1 1 Fuse, 2 A, 125 VAC, 63 VDC, SMD 1206 C1Q 2 Bel Fuse
FID1, FID2, FID3 3 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead Screw NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon Standoff 1902C Keystone
H9, H10 2 Rectangular Housing Connector, 4 Pos, 2.54mm 50-57-9404 Molex
J1, J8 2 Header(shrouded), 2.54mm, 4x1, Tin, TH Header(shrouded), 2.54mm, 4x1, TH 70543-0038 Molex
J2 1 Receptacle, USB 2.0, Micro B, 5 Position, R/A, SMT Receptacle, USB 2.0, Micro B, 5 Pos, 0.65mm Pitch, R/A, SMT 1051640001 Molex
J3, J5, J9, J13, J19 5 Header, 100mil, 3x1, Gold, TH PBC03SAAN PBC03SAAN Sullins Connector Solutions
J4 1 Header, 100mil, 4x1, Gold, TH 4x1 Header TSW-104-07-G-S Samtec
J6 1 Header, 100mil, 16x2, Gold, TH 16x2 Header TSW-116-07-G-D Samtec
J7 1 Terminal Block, 5.08 mm, 3x1, Brass, TH 3x1 5.08 mm Terminal Block ED120/3DS On-Shore Technology
J10 1 Terminal Block, 5.08 mm, 2x1, Brass, TH 2x1 5.08 mm Terminal Block ED120/2DS On-Shore Technology
J11, J12 2 Header, 100mil, 1pos, Gold, TH Testpoint TSW-101-07-G-S Samtec
J15, J16, J18 3 Header, 100mil, 2x1, Gold, TH Header, 100mil, 2x1, TH HTSW-102-07-G-S Samtec
K1 1 SSR RELAY SPST-NO 500MA 0-60V SOP4 AQY282SX Panasonic
L1 1 10uH Inductor, Wirewound, Ferrite, 10 uH, 3.4 A, 0.047 ohm, SMD 6x6m VLS6045EX-100M TDK
L3 1 Inductor, Ferrite Bead, Ferrite, 3 A, 120 ohm, AEC-Q200 Grade 1, SMD 0603 BLM18SG121TZ1D MuRata
LBL1 1 PCB Label 0.650 x 0.200 inch THT-14-423-10 Brady
Q1 1 P-Channel 40 V 6A (Ta) 15W (Tc) Surface Mount DFN2020MD-6 SOT1220 BUK6D43-40PX Nexperia
Q2 1 12 V Transistor, NPN, 12 V, 0.5 A, SOT-416 SOT-416 2SC5585TL Rohm
R1 1 0 0 Ohms Jumper 0.5W, 1/2W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Metal Foil 0805 HCJ0805ZT0R00 Stackpole
R2, R10, R17, R18 4 2.00k RES, 2.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 0402 ERJ-2RKF2001X Panasonic
R3, R5, R12, R13, R22, R43 6 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 ERJ-3GEY0R00V Panasonic
R4 1 117k RES, 117 k, 0.5%, 0.1 W, 0603 0603 RT0603DRE07117KL Yageo America
R6 1 100k RES, 100 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603100KJNEA Vishay-Dale
R7 1 13.3k RES, 13.3 k, 0.5%, 0.1 W, 0603 0603 RT0603DRE0713K3L Yageo America
R8, R9, R15, R16 4 150k RES, 150 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603150KFKEA Vishay-Dale
R11, R14, R19, R20, R39, R40 6 5.00k RES, 5.00 k, 0.1%, 0.05 W, 0402 0402 PNM0402E5001BST1 Vishay-Dale
R21, R23 2 10 10 Ohms ±0.1% 0.05W, 1/20W Chip Resistor 0402 (1005 Metric) RF, High Frequency Thin Film 0402 FC0402E10R0BST0 Vishay Dale
R24, R49 2 100 100 Ohms ±0.1% 0.05W, 1/20W Chip Resistor 0402 (1005 Metric) RF, High Frequency Thin Film 0402 FC0402E1000BST0 Vishay Dale
R25 1 2.00k RES, 2.00 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04022K00FKED Vishay-Dale
R26, R29, R30, R38 4 100 100 Ohms ±5% 0.2W, 1/5W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding Thick Film 0603 SG73S1JTTD101J KOA Speer
R27 1 50m 50 mOhms ±1% 2W Chip Resistor 2512 (6432 Metric) Current Sense, Flame Retardant Coating, Safety Metal Element 2512 MCS3264R050FER Ohmite
R28 1 500 500 Ohms ±0.1% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Thin Film 0603 RT0603BRC07500RL YAGEO
R31, R44, R45 3 47k RES, 47 k, 5%, 0.1 W, 0603 0603 RC0603JR-0747KL Yageo
R32, R33 2 470 RES, 470, 5%, 0.1 W, 0603 0603 RC0603JR-07470RL Yageo
R34 1 680 RES, 680, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW0402680RJNED Vishay-Dale
R35 1 10k RES, 10 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060310K0JNEA Vishay-Dale
R36 1 0 RES, 0, 5%, 0.25 W, AEC-Q200 Grade 0, 1206 1206 RCA12060000ZSEA Vishay-Dale
R37, R52, R53, R54 4 330 RES, 330, 1%, 0.1 W, 0603 0603 RC0603FR-07330RL Yageo
R41 1 25 kohm Trimmer Potentiometer, 25kohm, 0.5W, TH 9.53x8.89mm 3352T-1-253LF Bourns
R42, R46 2 4.70k RES, 4.70 k, 0.1%, 0.1 W, 0603 0603 RT0603BRD074K7L Yageo America
R48 1 150k RES, 150 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 0402 ERJ-2RKF1503X Panasonic
R50 1 10.0k RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 AC0402FR-0710KL Yageo America
S1, S4 2 Switch, Tactile, SPST, 12 V, SMD SMD, 6x3.9mm 4.34121E+11 Wurth Elektronik
SH-J2, SH-J5, SH-J9, SH-J13, SH-J15, SH-J16, SH-J18, SH-J19, SH-J20, SH-J21, SH-J22, SH-J23, SH-J24, SH-J25, SH-J26, SH-J27, SH-J28, SH-J29, SH-J30, SH-J31, SH-J32, SH-J33, SH-J34, SH-J35 24 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
SW1 1 Switch, Toggle, SPDT 1Pos, TH 7 X 11 X4.5 mm G12AP NKK Switches
TP1, TP23 2 Test Point, Compact, Red, TH Red Compact Testpoint 5005 Keystone
TP2, TP30, TP31, TP32, TP33 5 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone
TP3, TP4 2 Test Point, Compact, Yellow, TH Yellow Compact Testpoint 5009 Keystone Electronics
TP18, TP19, TP20, TP21, TP22 5 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP26, TP27, TP28, TP29 4 1mm Uninsulated Shorting Plug, 10.16mm spacing, TH Shorting Plug, 10.16mm spacing, TH D3082-05 Harwin
TP34 1 Test Point, Compact, Black, TH Black Compact Testpoint 5006 Keystone Electronics
U1, U5, U7, U8 4 1-ch, 2:1 general-purpose analog multiplexer with 1.8-V logic control, DCK0006A (SOT-SC70-6) DCK0006A TMUX1219DCKR Texas Instruments
U2 1 UART Interface IC USB Full Speed to Serial UART IC, Includes Oscillator and EEPROM, SSOP-28 SSOP28 FT232RNL-REEL FTDI
U3 1 4-Channel ESD Protection Array for High-Speed Data Interfaces, DRY0006A (USON-6) DRY0006A TPD4E004DRYR Texas Instruments
U4 1 CPU16 MSP430™ FRAM Microcontroller IC 16-Bit 24MHz 32KB (32K x 8) FRAM 48-LQFP (7x7) LQFP48 MSP430FR2355TPTR Texas Instruments
U6 1 1.6 MHz Boost Converter With 30V Internal FET Switch in SOT-23, DBV0005A (SOT-23-5) DBV0005A LM27313XQMF/NOPB Texas Instruments
U9, U13 2 Dual Bidirectional Bus Buffer, DGK0008A (VSSOP-8) DGK0008A P82B96DGKR Texas Instruments
U10 1 Low-Noise, High PSRR, RF 200-mA Low-Dropout Linear Regulators, DBV0005A (SOT-23-5) DBV0005A TPS73033DBVR Texas Instruments
U11 1 High/Low Side, Bi-Directional Zero-Drift Current Sense Amp w/ Enhanced PWM Rejection, PW0008A (TSSOP-8) PW0008A INA240A2PWR Texas Instruments
U12 1 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifier, DBV0005A (SOT-23-5) DBV0005A LMH6642MF/NOPB Texas Instruments
Y2 1 Resonator, 4 MHz, 39 pF, AEC-Q200 Grade 1, SMD 4.5x1.2x2 mm CSTCR4M00G55B-R0 MuRata