STM32 Temperature Fan Controller

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STD STM32 Temperature Fan Controller

License: MIT

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Update time： 2021-05-26 03:00:20

Creation time： 2018-05-16 12:01:12

Description

PCB is used to control 3 typical CPU fans with mounted high-power LED chips according to temperature and tach sensors Relays are used to power-off LED drivers in case of fan failure or overtemperature condition

Design Drawing

schematic diagram

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Schematics
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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	4.7k	R_OWP1,R4,R8,R11,R_OWP2	0603	5
2	4.7u	CM2,CM5	0805	2
3	10k	R3,R2,R9,R10,R12,R13	0603	6
4	1u	CM4	0603-CAP	1
5	1k	R5,R14,R15,R1,R6,R16	0603	6
6	2A 250VA	F1	FUSEHOLDER5X20_HORIZ_OPEN_INLINE_TYPE-I_REVC_DATE24FEB2011	1
7	1M	R20,R7,R17	0603	3
8	100n	CM3,CM1	0402-CAP	2
9	10u	CM6	0603-CAP	1
10	14D471K	MOV_INPUT	PS-RES-16.5*5.87	1
11	BZT52C3V3	Z4,Z5,Z6	SOD-123	3
12	1nF	C1,C2,C3	C0603	3
13	B7B-ZR (LF)(SN)	DEBUGHEADER1	CONN-TH-7P-P1.50_B7B-ZR(LF)(SN)	1
14	HLK-PW12	G1	HLK-PM12	1
15	FCM1608KF-601T05	L1	L0603	1
16	BSS138	Q7	SOT-23(SOT-23-3)	1
17	600Ω	L2,L3	L0603	2
18	LL4148	D1,D2,D3	LL-34	3
19	WJ301V-5.0-2P	P3,P7,P8,P9	WJ301V-5.00-2P	4
20	MMBT2222ALT1G	Q1,Q2,Q3	SOT-23(SOT-23-3)	3
21	12->5	U3	SOT-223	1
22	47053-1000	P1,P5,P6	CONN-TH_47053-1000	3
23	SRD-12VDC-SL-B	RELAY1,RELAY2,RELAY3	RELAY-TH_SRD-12VDC-SL-B	3
24	BZT52C11	Z1,Z2,Z3	SOD-123	3
25	B3B-XH-A(LF)(SN)	P2,P4,P10	CONN-TH_3P-P2.50_B3B-XH-A(LF)(SN)	3
26	AO3400A	Q4,Q5,Q6	SOT-23(SOT-23-3)	3
27	SC662K-3.3V	LDO1	SOT-23(SOT-23-3)	1
28	STM32F030F4P6	U1	TSSOP-20	1