rushabhcodes/fidget-counter

BOM.csv

PCB

Schematic

References,Quantity,Value_or_part,Package,Manufacturer_or_source,Assembly,Notes,Manufacturer_part_number,Source_url,JLCPCB_part_number,Sourcing_status
U1,1,nRF52810-QFAA-R,QFN48 6x6mm 0.4mm pitch,Nordic / JLCPCB C141828,FIT,Reference QFAA pin map; LDO mode only,nRF52810-QFAA-R,,C141828,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
U2,1,TMAG3001A2YBGR,WCSP6 YBG 0.4mm pitch,Texas Instruments / JLCPCB C31115089,FIT,Retain current sensor; Standard PCBA and ENIG; confirm availability/preorder; max package height 0.5mm,TMAG3001A2YBGR,,C31115089,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
X1,1,X201632MKB4SI,2016 4-pad crystal,JLCPCB C718072,FIT,32MHz; 8pF load; ±10ppm; same manufacturer pad geometry as reference,X201632MKB4SI,https://jlcpcb.com/partdetail/X201632MKB4SI/C718072,C718072,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
X2,1,ABS07-32.768KHZ-9-T,ABS07 2-pad crystal,Abracon / JLCPCB C179635,FIT,32.768kHz 9pF nominal load,ABS07-32.768KHZ-9-T,,C179635,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
ANT1,1,RFANT3216120A5T,3216 ceramic antenna,Walsin / JLCPCB C127629,FIT,Tune matching in final assembly; catalog fixture notice: confirm fixture necessity/charge in quote,RFANT3216120A5T,,C127629,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
SW1,1,KMR223NG ULC LFG / Y78B22324FP,"KMR2 4.6x2.8mm package, 1.9mm actuator height",C&K / Littelfuse,FIT,1.9mm nominal height; 2N actuation; gold low-current contacts; shared imported KMR2 geometry from C221681; C221681 is 3N and is not this fitted part,KMR223NG ULC LFG / Y78B22324FP,,,Exact MPN assembly sourcing not verified; procurement or consignment required
L1,1,3.9nH,0402,Murata,FIT,3.9nH ±0.1nH; RF matching starting value,LQG15HS3N9B02D,https://www.mouser.com/datasheet/3/76/1/JELF243B-0010.pdf,C5452416,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
L2,1,6.8nH,0402,Murata,FIT,6.8nH ±2%; tune with antenna,LQG15HS6N8G02D,https://www.mouser.com/datasheet/3/76/1/JELF243B-0010.pdf,C521064,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C3,1,0.8pF,0402,Murata,FIT,0.8pF ±0.05pF; 50V C0G high-Q RF shunt,GJM1555C1HR80WB01D,https://www.murata.com/en-us/products/productdetail?partno=GJM1555C1HR80WB01%23,C88902,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C13 C14,2,0.5pF candidate,0402,C0G NP0 capacitor supplier,DNP,Optional RF shunts; pads remain on PCB,,,,Excluded from SMT assembly
C1 C2 C11 C12,4,12pF,0402,Murata,FIT,12pF ±5%; 50V C0G; initial load caps; verify oscillator frequency,GRM1555C1H120JA01D,https://www.murata.com/en-us/products/productdetail?partno=GRM1555C1H120JA01%23,C76948,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C7,1,100pF,0402,Murata,FIT,100pF ±5%; 50V C0G; DEC2 decoupling,GRM1555C1H101JA01D,https://www.murata.com/en-us/products/productdetail?partno=GRM1555C1H101JA01%23,C77177,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C4 C5 C6 C8 C16 C18,6,100nF,0402,Murata,FIT,100nF ±10%; 16V X7R; 0.55mm max height,GRM155R71C104KA88D,https://www.murata.com/en-us/products/productdetail?partno=GRM155R71C104KA88%23,C71629,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C10,1,1uF,0603,Samsung / JLCPCB C730442,FIT,1uF ±10%; 25V X7R; DEC4 decoupling; replaces unresolved Murata part,CL10B105KA8NNWC,https://jlcpcb.com/partdetail/778841-CL10B105KA8NNWC/C730442,C730442,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C9,1,4.7uF,0603,Murata,FIT,4.7uF ±10%; 6.3V X5R; effective capacitance derates with DC bias,GRM188R60J475KE19D,https://www.murata.com/en-us/products/productdetail?partno=GRM188R60J475KE19%23,C71631,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C15,1,22uF,0603,Murata,FIT,22uF ±20%; 6.3V X5R; verify effective capacitance at battery voltage,GRM188R60J226ME15D,https://www.murata.com/en-us/products/productdetail?partno=GRM188R60J226ME15%23,C440187,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
C17,1,10nF,0402,Murata,FIT,10nF ±10%; 16V X7R; cap GPIO filter,GRM155R71C103KA01D,https://www.murata.com/en-us/products/productdetail?partno=GRM155R71C103KA01%23,C85735,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
R1 R2 R3,3,10k ohm,0402,Yageo,FIT,10k ±1%; 0.063W; I2C and Hall INT pull-ups,RC0402FR-0710KL,https://yageogroup.com/component-documentation/download/specsheet/RC0402FR-0710KL,C60490,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
R4 R5,2,100k ohm,0402,Yageo,FIT,100k ±1%; 0.063W; nRESET and cap GPIO pull-ups,RC0402FR-07100KL,https://yageogroup.com/component-documentation/download/specsheet/RC0402FR-07100KL,C60491,Exact JLCPCB library import verified; current assembly stock/preorder must be confirmed in quote
BT1,1,CR2032 holder BS-08-B2AA020-R,SMT holder 24.1x15.7mm / 5.8mm maximum height,MYOUNG / JLCPCB C964787,FIT,Bottom-mounted holder; raw library pin1 positive / pin2 negative; cell positive face toward hatch; battery inserted after reflow,BS-08-B2AA020-R,https://jlcpcb.com/partdetail/MYOUNG-BS_08_B2AA020R/C964787,C964787,Exact JLCPCB library import verified; confirm stock and double-sided assembly process in quote
TP_VDD TP_GND TP_SWDIO TP_SWDCLK TP_RESET,5,SWD pogo land,1.2mm diameter underside pad,PCB copper,BARE PAD,GND land has 0.4mm plated drill; remaining four pads undrilled,,,,Excluded from SMT assembly
BATTERY,1,CR2032 primary lithium cell,20x3.2mm,Battery supplier,MECHANICAL,Positive face toward underside hatch; insert after reflow; replace with PCB and holder fixed,,,,Excluded from SMT assembly
ENCODER_MAGNET,1,Diametric neodymium magnet,6x2mm,Magnet supplier,MECHANICAL,Verify diametric magnetization; calibration with final phone and cell,,,,Excluded from SMT assembly
GPIO_SCL GPIO_SDA GPIO_HALL_INT,3,Signal diagnostic land,0.55mm via land / 0.30mm drill,PCB copper,BARE PAD,Local GPIO escape and fine probe access; no component fitted,,,,Excluded from SMT assembly