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Std EditionSTM32 230V TRIAC Soft Starter

License: MIT

Published Time:2018-05-06 23:26:55
  • 5.4k
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Description

Soft starter used to save plastic gears of modern cheap tools by applying less initial force. Angle grinder, Miter saw and other funny jumping during power on universal motor equipment will be happy.

Features:

  • ZC detectors to syncronize TRIAC timings and detect power-on switch status on tool
  • TRIAC to soft start motor from 30% to 100% power
    • NOTE: Do not use smart tools with speed control in handle or other electronics
    • NOTE: Do not apply load to motor before relay latching to prevent vaporizing your coils
    • NOTE: Too frequent start-stops will heat your coils too
  • Relay to feed full mains power to motor after dimming completed
  • Current sensor to check power off by tool's switch and detect overcurrent condition
  • External buttons for soft start/soft stop
  • PCB designed to work with dangerous 230V/50Hz
    • NOTE: If you already ordered this PCB then put it to junkbox upon delivery
    • NOTE: Have fun!

Mount after ultrasonic cleaning:

  • BTA24-800BWRG
  • 14D471K
  • HLK-PM01
  • SLA-5VDC-SL-A
  • Fuse

Non-LCSC BOM:

  • HLK-PM01
  • Heatsink TO220 23x16x20 L298N

IMG_20181227_012131_result.jpg IMG_20181227_012212_result.jpg IMG_20181227_012108_result.jpg IMG_20181227_011727_result.jpg Setup.png

Documents

Zero Crossing Detector

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Power Control

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Current sensor

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ID Name Designator Footprint Quantity
1 220k R1,R2,R11,R21 1206 4
2 22k R3,R6 0805 2
3 1N4148 D5,D1,D4,D7 LL-34 4
4 1k R4,R9,R13 0603 3
5 PC817 U2,U1 DIP-4_W7.62MM 2
6 1nF C2,C3 0603-CAP 2
7 10u C1,C4,CM5 0603-CAP 3
8 MMBT2222ALT1G Q1,Q3,Q4,Q5,Q6 SOT-23(SOT-23-3) 5
9 MB10S-10 D8,D2 MBS-5X4.1 2
10 MOC3052M MOC1 DIP-6_300MIL 1
11 24 RS1,RS2 1206 2
12 180 RT1,RT2 1206 2
13 14D471K MOV_SNUB,MOV_INPUT PS-RES-16.5*5.87 2
14 1M R10,R20 0603 2
15 XH2.54-7P DEBUG_HEADER XH2.54-7P 1
16 100n CM1,CM2,CM6,CM9 0402-CAP 4
17 165 R5 0603 1
18 274 R7,R24,R25 0603 3
19 10nF CM7,CM3 0603-CAP 2
20 Busy BUSY LED-0603 1
21 1uF CM4,CM8 0603-CAP 2
22 600Ω FB1 0603 1
23 LL4148 D9 LL-34 1
24 BTA24-800BWRG T1 HEATSINK_TO220_SPREADED 1
25 1.5k R8 0603 1
26 10k R16,R17,R12,R14 0603 4
27 SLA-5VDC-SL-A K1 SLA-5VDC-SL-A_5P 1
28 BZT52C4V7 D6 SOD-123 1
29 GND TP1 1PIN HEADER COPY 1
30 Busy TP2 1PIN HEADER COPY 1
31 TRIAC TP3 1PIN HEADER COPY 1
32 STM32F030F4P6 U3 TSSOP-20 1
33 22nF C5,C6 1210 2
34 AO3400A Q2 SOT-23(SOT-23-3) 1
35 Header-Female-2.54_1x6 P1 HDR-6X1/2.54 1
36 SC662K-3.3V LDO1 SOT-23(SOT-23-3) 1
37 LMV358A-SR U4 SOIC-8_150MIL 1
38 20 R18 0603 1
39 47k R19,R22,R15 0603 3
40 Current TP5 1PIN HEADER COPY 1
41 ZMCT102.AType CT1 ZMCT102 1
42 10K R23 0603 1
43 ACDC ACDC HLK-PM01 1
44 7A 250VA F1 FUSEHOLDER5X20_HORIZ_OPEN_INLINE_TYPE-I_REVC_DATE24FEB2011 1
45 220nF C_X2 CAP-SC_18X6-P15 1
46 PCB Spade Terminal - 5.08 IN2,IN1,OUT2,OUT1 1287-ST BLADE CONNECTOR 4

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