STM32 230V TRIAC Soft Starter

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STD STM32 230V TRIAC Soft Starter

License: MIT

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Update time： 2024-08-18 16:51:14

Creation time： 2018-05-06 15:26:55

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](https://aliexpress.ru/item/32408565688.html) * Heatsink TO220 23x16x20 L298N ![IMG_20181227_012131_result.jpg](//image.easyeda.com/pullimage/mYt73KXZk6M2ufdaCw7BMLm6Q7RanqoHDZuOXlLS.jpeg) ![IMG_20181227_012212_result.jpg](//image.easyeda.com/pullimage/TDykBoPo2smotPGZX8YutPBXUEKdELqcZFBN5BAC.jpeg) ![IMG_20181227_012108_result.jpg](//image.easyeda.com/pullimage/W0GJVAStgLvMlyQh25WWNEM1vJ96K2mEpk34RqQD.jpeg) ![IMG_20181227_011727_result.jpg](//image.easyeda.com/pullimage/9Q9kho8TC4VaQO4t4QciTxalaOUSpvRCe0GXwhbM.jpeg) ![Setup.png](//image.easyeda.com/pullimage/dORVqMVAxMM70g9UIregV7TxYcfdrodlgJ2ij5jM.png)

Design Drawing

schematic diagram

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Zero Crossing Detector
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Power Control
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Current sensor
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Mains
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PCB

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PCB
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BOM

BOM download Purchase Parts

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