component
LM2907MX
Public Made by Adomby adom
Texas Instruments V/F And F/V Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# LM2907MX++**Texas Instruments** · V/F And F/V Converters · SOIC-14++LM2907MX from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | TACH+ | input | Positive terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator. |+| 2 | CP1 | output | A capacitor on this pin is charged to VCC/2 by a 180 µA typical constant current source at the start of each positive half cycle and discharged at the same rate during negative half cycles. |+| 3 | CP2 | output | The charge pump sources current equal to the absolute value of the CP1 capacitor current, and a parallel resistor and capacitor on this pin filter the pulses into the output voltage. |+| 4 | IN+ | input | Noninverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device. |+| 5 | EMIT | output | Emitter of the bipolar junction output transistor. |+| 6 | NC | unconnected | No connect. |+| 7 | NC | unconnected | No connect. |+| 8 | COL | output | Collector of the bipolar junction output transistor, which may be taken above VCC up to a maximum VCE of 28 V. |+| 9 | V+ | power_in | Supply voltage pin; absolute maximum supply voltage is 28 V. |+| 10 | IN- | input | Inverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device. |+| 11 | TACH- | input | Negative terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator; input voltage limited to 0 V to 28 V on the 14-pin device. |+| 12 | GND | power_in | Ground reference for the device. |+| 13 | NC | unconnected | No connect. |+| 14 | NC | unconnected | No connect. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Data Acquisition |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LM2907MX`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `lm2907mx-etched.step` / `lm2907mx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2907mx.step` / `lm2907mx.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm2917-n) (44 pp, sha256 `7eb159d92fb097b9`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm2907mx-datasheet.pdf)
page.jsonadded+237@@ -0,0 +1,237 @@+{+ "slug": "lm2907mx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments V/F And F/V Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "lm2907mx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2907mx.kicad_sym",+ "lm2907mx.kicad_mod",+ "lm2907mx.glb",+ "lm2907mx.step",+ "lm2907mx.lbr",+ "docs/hero.png",+ "docs/lm2907mx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2907mx-hero.glb",+ "lm2907mx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2907MX",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Data Acquisition",+ "subcategory": "V/F And F/V Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2917-n",+ "parts": {+ "symbol": "lm2907mx.kicad_sym",+ "footprint": "lm2907mx.kicad_mod",+ "model_3d": "lm2907mx-hero.glb",+ "model_3d_plain": "lm2907mx.glb",+ "model_3d_step": "lm2907mx-etched.step",+ "model_3d_step_plain": "lm2907mx.step",+ "lbr": "lm2907mx.lbr"+ },+ "distributor_links": {+ "lcsc": "C2649290",+ "digikey": "LM2907MXTR-ND",+ "mouser": "926-LM2907MX"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:33:39Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM2907MXTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM2907MX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "TACH+",+ "type": "input",+ "description": "Positive terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator."+ },+ {+ "number": "2",+ "name": "CP1",+ "type": "output",+ "description": "A capacitor on this pin is charged to VCC/2 by a 180 µA typical constant current source at the start of each positive half cycle and discharged at the same rate during negative half cycles."+ },+ {+ "number": "3",+ "name": "CP2",+ "type": "output",+ "description": "The charge pump sources current equal to the absolute value of the CP1 capacitor current, and a parallel resistor and capacitor on this pin filter the pulses into the output voltage."+ },+ {+ "number": "4",+ "name": "IN+",+ "type": "input",+ "description": "Noninverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device."+ },+ {+ "number": "5",+ "name": "EMIT",+ "type": "output",+ "description": "Emitter of the bipolar junction output transistor."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ },+ {+ "number": "8",+ "name": "COL",+ "type": "output",+ "description": "Collector of the bipolar junction output transistor, which may be taken above VCC up to a maximum VCE of 28 V."+ },+ {+ "number": "9",+ "name": "V+",+ "type": "power_in",+ "description": "Supply voltage pin; absolute maximum supply voltage is 28 V."+ },+ {+ "number": "10",+ "name": "IN-",+ "type": "input",+ "description": "Inverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device."+ },+ {+ "number": "11",+ "name": "TACH-",+ "type": "input",+ "description": "Negative terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator; input voltage limited to 0 V to 28 V on the 14-pin device."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ },+ {+ "number": "14",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Package selection: the orderable addendum (page 30) lists LM2907MX/NOPB as SOIC (D), 14 pins, 2500 p; Pin type mapping: the datasheet labels COL (pin 8) as 'I'. I mapped it to 'output' because it is the; Pin 2 and pin 3 are labelled 'O' in the datasheet and are mapped to 'output'. The CP1/CP2 nodes are "+ ],+ "pages_sent": 9,+ "cost_usd": 0.0663,+ "at": "2026-10-08T18:33:03"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2917-n",+ "pages": 44,+ "sha256": "7eb159d92fb097b9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm2907mx.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm2907mx-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "ddfb868449eb1c01ce2dc57a4b58cccce89d3c7d5b0d82eb0720de8e0b97c498",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}