vl670/bom

VL670 Development Board - BOM

Don't trust the price data too much.

PCB

Component	Quantity	Price	Total Low Qty. Price
JLCPCB, 4-layer, JLC2313 stack-up, ENIG	1	4.72	23.58
		= 4.72	= 23.58

Assembly

Component	Quantity	Price	Total Low Qty. Price
JLCPCB, stencil, etch-polishing	1	0.000	14.48
		= 0.000	= 14.48

Capacitors

Component	Quantity	Price	Total Price	Total Low Qty. Price
0603 X7R 220nF	8	0.0115	0.092	0.575
0603 NP0 18pF	2	0.0051	0.0102	0.255
0603 X7R 1uF	10	0.0254	0.3048	0.508
0603 X7R 10uF	2	TBD	TBD	TBD
0603 X7R 470nF	9	0.0198	0.1782	0.99
0402 X7R 470nF	12	0.0124	0.1488	0.62
			= 0.7344	= 3.618

Resistors

Component	Quantity	Price	Total Price	Total Low Qty. Price
0603 5% 0.5	2	TBD	TBD	TBD
0603 5% 10K	7	0.0046	0.0322	0.23
0603 5% 470	1	0.0013	0.0013	0.13
0603 1% 11.3K	1	0.0014	0.0014	0.14
0603 1% 1.8M	2	0.0016	0.0032	0.16
0603 5% 200K	1	0.0459	0.0459	0.46
0603 -% 0	6	0.0015	0.0090	0.15
0402 5% 100K	2	0.0117	0.0234	0.59
			= 0.4062	= 1.86

Inductors & Ferrites

Component	Value	Vendor	Quantity	Price	Total Price	Total Low Qty. Price
SPH252012H4R7MT	0603 4.7uF	Sunlord	1	0.1178	0.1178	1.18
BLM18KG221SN1D	0606 220R/2.2A	Murata	1	TBD	TBD	TBD
					= 0.1178	= 1.18

ESD Suppression Diodes

Component	Vendor	Quantity	Price	Total Price	Total Low Qty. Price
UDFN ESD7104	OnSemi	5	0.0987	0.4935	1.2326 (shortage!)
SOD-523 ESD5B5.0ST1G-N	Born Semiconductor	12	0.0368	0.4416	0.74
				= 0.9351	= 1.9726

Connectors

Component	Value	Vendor	Quantity	Price	Total Price	Total Low Qty. Price
USB 3 Type-C	U262-241N-4BV60	XKB	1	0.5266	0.5266	0.53
USB 3 Type-A	U231-091N-4BLRA00-S-1	XKB	1	0.1722	0.1722	0.1722
2.54mm header	01x02, 01x07	-	1	0.0244	0.0244	0.0244
					= 0.7232	= 0.7266

Misc

Component	Value	Vendor	Quantity	Price	Total Price	Total Low Qty. Price
0603 Blue LED	Blue	-	1	0.0294	0.0294	0.59
3225 25MHZ XTAL	25 MHz, Cl=10pF	-	1	0.0098	0.0098	0.49
					= 0.0392	= 1.08

ICs

Component	Vendor	Quantity	Price	Total Price	Total Low Qty. Price
QFN-48 VL67X	VIA Labs	1	3.0817	3.0817	4.6225
WQFN-30 HD3SS3220	TI	1	1.7907	1.7907	3.4515 (shortage!)
VSSOP-8 74LVC2G66	Nexperia, TI	2	0.2337	0.4674	0.4674
SOIC-8 GD25D05	GigaDevice	1	0.4097	0.4097	2.00
SOT-23-5 TPS2061C-PXLI	TI	1	0.7682	0.7682	0.7682
				= 6.5177	= 11.3096

Total:

Component	Total Price	Total Low Qty. Price
PCB	4.72	23.58
Capacitors	0.7344	3.618
Resistors	0.4062	1.86
Inductors	0.1178	1.18
ESD Suppression Diodes	0.9351	1.9726
Connectors	0.7232	0.7266
Misc	0.0392	1.08
ICs	6.5177	11.3096
	= 14.196	= 46.50
+ assembly		= 60.99

Note: the "Total Low Qty. Price" is only for my personal reference, the method is not rigorous and seems to overestimates the sample board cost. The "true" cost is probably $20.