component
LTC2945CMS#PBF - Wide Range I2C Power Monitor
Public Made by Adomby adom
Analog Devices (Linear Technology) LTC2945CMS#PBF: wide range I2C power monitor, 0 V to 80 V current and voltage sensing, 12-bit ADC, 24-bit power, min/max and alerts, split SDA for opto-isolation, 0 C to 70 C, MSOP-12. KiCad, Fusion and Altium libraries, 3D model and datasheet.
main
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{
"plan": {
"schema": "adom/mark-plan@1",
"mpn": "LTC2945CMS#PBF",
"step": "/home/adom/project/uta-dynos/work/pages/ltc2945cms-pbf/work/etch/ltc2945cms-pbf.step",
"footprint": "/home/adom/project/uta-dynos/work/pages/ltc2945cms-pbf/work/etch/ltc2945cms-pbf.kicad_mod",
"standUp": [],
"standUpSource": "as-is (Z up)",
"inputs": {
"up": "auto",
"face": "auto",
"along": null,
"upSupplied": false,
"faceSupplied": false,
"faceSource": "inferred: top face"
},
"face": "top",
"pin1": {
"source": "footprint pad 1",
"xyMm": [
-2.107,
1.625
],
"corner": "left/lower"
},
"existingMarks": [],
"vendorMarking": {
"present": false,
"glyphFaces": 0
},
"faceNormal": [
0,
0,
1
],
"longAxis": {
"axis": "y",
"vector": [
0.0,
1.0,
0.0
],
"why": "two pin rows (6 + 6 pins, 4.21 mm apart): parallel to the pin rows (band 2.78 mm along, 2.71 mm across)",
"source": "pin-rows",
"override": null,
"pinRows": {
"axis": "y",
"pinsPerRow": [
6,
6
],
"rowSpacingMm": 4.214,
"exposed": 0
}
},
"readingDirection": {
"vector": [
-0.0,
-1.0,
0.0
],
"angleDeg": 270,
"textUp": [
1.0,
-0.0,
0.0
],
"rule": "pin 1 / pad 1 at the start (left) of the text, and below it when it sits on a side"
},
"band": {
"regionMm": [
-1.3538,
-1.8733,
1.3538,
0.9033
],
"zMm": 0.95,
"lengthMm": 2.7766,
"heightMm": 2.7076,
"why": "highest flat face over the body centre",
"terminationsExcludedBy": null,
"trimmedEnds": [],
"keepouts": [
[
-0.9038,
0.9233,
-0.4038,
1.4233
]
],
"sideTurn": null,
"margins": {
"lengthEachSide": 0.12,
"heightEachSide": 0.15
}
},
"text": {
"lines": [
"LTC2945",
"CMS#PBF"
],
"chars": 14,
"capHeightMm": 0.3795,
"smallestLineMm": 0.3795,
"heightPctOfBand": 32.2,
"why": "two lines: the smaller line (0.380 mm) beats one line (0.187 mm) by 2.03x",
"alternative": {
"lines": [
"LTC2945CMS#PBF"
],
"capHeightMm": 0.1867,
"smallestLineMm": 0.1867
},
"font": "service-step2glb /laser-etch (single-stroke outline font)"
},
"etch": {
"poseQuarterTurnsZ": 1,
"service": "/laser-etch?mode=flat",
"note": "turn so the reading direction is +X, etch, fit the mark into the band, turn back"
},
"outline": {
"upAxis": "z",
"poseRotZDeg": 180,
"rot": 90,
"recipe": "adom-aiflow-etch outline <part.step> --footprint <part.kicad_mod> --mpn LTC2945CMS#PBF (stands the STEP up (as-is (Z up)), turns it 180 deg about Z and draws LTC2945 / CMS#PBF on the planned band, rot 90)",
"why": "iso camera looks from +X+Y+Z: text along +Y (rot 90) or -X (rot 180) reads left to right with pin 1 toward the viewer"
},
"widget": {
"px": 320,
"pxPerMm": 48.2,
"capHeightPx": 14.9
},
"hints": [],
"warnings": [],
"summary": "Mark along the 2.78 mm axis (-Y), 0.38 mm text (2 lines), upright with pin 1 left lower, outline rot 90 after a 180 deg pose turn; ~15 px caps at 320 px"
},
"etch": {
"out": "/home/adom/project/uta-dynos/work/pages/ltc2945cms-pbf/work/etch/ltc2945cms-pbf-etched.step",
"mpn": "LTC2945CMS#PBF",
"lines": [
"LTC2945",
"CMS#PBF"
],
"removedOldMarks": [],
"turns": [
{
"axis": "z",
"quarterTurns": 1
}
],
"serviceMarkTurnedQuarter": 0,
"line2Scaled": true,
"fit": {
"scale": 0.8432,
"capMm": 0.3702,
"markMm": [
2.1102,
0.8749
],
"bandMm": [
2.7766,
2.7076
],
"zMm": 0.955
}
}
}