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DC motor speed control (mini)

1 year ago 1276
  • Description
  • Documents
  • BOM
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Description

Features:

  • For high voltage DC motors (100v, 220v) with power from AC.
  • ~ 500W without heatsinks, up to 1500W with heatsinks.
  • Sensorless RPM stabilization (measure RMP via back EMF).

Simplified schematics (small size, few details):

  • no isolation (!!!)
    • use resistor with plastic shaft
    • attach to usb/stlink only when power off

Documents

Schematic

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted LCSC nameAlias
1 STM32F103C8T6 U6 LQFP48-0.5-7X7MM 1 STM32F103C8T6 STMicroelectronics LCSC C8734
2 TSP-12 U3 HLK-PM01 1
3 AMS1117-3.3 U5 SOT-223 1 LD1117AG-33-AA3-A-R UTC LCSC C71121
4 100K 1W R5 2512 1 25121WF1003T4E UniOhm LCSC C52842
5 470 R6 0805 1 0805W8F4700T5E UniOhm LCSC C17710
6 10k R7 0805 1 RC0805FR-0710KL YAGEO LCSC C84376
7 EG3013 (IR2103) U4 SOP-8_150MIL 1 EG3013 EG LCSC C81710
8 1uF C1,C7 0805 2 CL21B105KAFNFNE SAMSUNG LCSC C1712
9 1N4148W D2 SOD-123 1 1N4148W SEMTECH LCSC C81598
10 STTH8L06FP D1 TO-220AC(TO-220-2) 1 STTH8L06FP STMicroelectronics LCSC C77956
11 WEMOS D1 mini U7 WEMOS D1 MINI V2.3.0 1
12 22uF C2,C6 0805 2 CL21A226MAQNNNE SAMSUNG LCSC C45783
13 20 R3 0805 1 CR0805J80200G LIZ LCSC C101961
14 R6030ENZ1C9 Q1 TO-247(AC) 1 R6030ENZ1C9 ROHM LCSC C84999
15 WJ124-3.81-4P P3 KF124-3.81-4P 1 WJ124-3.81-4P ReliaPro LCSC C69809
16 WJ762-7.62-2P P2,P1 WJ762-7.62-2P 2 WJ762-7.62-2P-13-00A ReliaPro LCSC C72333
17 ST-Link P5 DIP-1X6P-2.54MM-M 1 210S-1*6P L=11.6MMGold-plated black Ckmtw LCSC C124380
18 Display P4 DIP-1X7P-2.54MM-M 1
19 100nF C5 0805 1 CL21B104KBFNNNE SAMSUNG LCSC C136621 Capacitance
20 KBPC5010 D3 BRIDGE-KBPC 1 KBPC5010 MDD LCSC C3083
21 5x20 Fuse holder U1 5X20-BLX-A 1 Fuse transparent seat ReliaPro LCSC C58066
22 NTC 3D-20 R2 NTC 3D-9 1 NTC 3D-20 RUILON LCSC C111229
23 1uF C3,C4 CAP-CBB-18.0*10.0 2 MPP105K2191017LC SRD LCSC C109553 Capacitance
24 INA213AIDCKR U2 TSSOP-6 1 INA213AIDCKR TI LCSC C129346
25 0.01Ω R1 2512 1 MS122WF100MT4E UniOhm LCSC C68609 Value

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