component
BQ29419PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# BQ29419PWR++**Texas Instruments** · Battery Management · TSSOP-8++BQ29419PWR from Texas Instruments, in a TSSOP-8. 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 | VC1 | input | Sense voltage input for the most positive cell; recommended VC1 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V. |+| 2 | VC2 | input | Sense voltage input for the second most positive cell; recommended VC2 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V. |+| 3 | VC3 | input | Sense voltage input for the third most positive cell; recommended VC3 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V. |+| 4 | GND | power_in | Ground pin; all device voltages are specified with respect to this ground, except the cell-to-cell differential voltages. |+| 5 | VC4 | input | Sense voltage input for the least positive cell; the VC4-to-GND input is limited to 0 V to 5 V in recommended operation, with an absolute maximum of -0.3 V to 28 V. |+| 6 | CD | passive | External capacitor connection that sets the programmable overvoltage delay; the CD pin must reach 1.2 V to activate OUT, has an absolute maximum of -0.3 V to 28 V, and is clamped to GND when no overvoltage is present. |+| 7 | VDD | power_in | Power supply input with a recommended range of 4 V to 25 V and an absolute maximum of -0.3 V to 28 V. |+| 8 | OUT | output | Overvoltage protection output that transitions high when the CD pin reaches 1.2 V to activate the external NCH FET that blows the battery fuse; absolute maximum is -0.3 V to 28 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `BQ29419PWR`+- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`+- 3D model: TSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `bq29419pwr-etched.step` / `bq29419pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq29419pwr.step` / `bq29419pwr.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/lit/ds/symlink/bq29419.pdf) (21 pp, sha256 `ba3496ab8d0bc500`, retrieved 2026-10-08, tier: manufacturer)+- **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/bq29419pwr-datasheet.pdf)
page.jsonadded+200@@ -0,0 +1,200 @@+{+ "slug": "bq29419pwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq29419pwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq29419pwr.kicad_sym",+ "bq29419pwr.kicad_mod",+ "bq29419pwr.glb",+ "bq29419pwr.step",+ "bq29419pwr.lbr",+ "docs/hero.png",+ "docs/bq29419pwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "bq29419pwr-hero.glb",+ "bq29419pwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "BQ29419PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/lit/ds/symlink/bq29419.pdf",+ "parts": {+ "symbol": "bq29419pwr.kicad_sym",+ "footprint": "bq29419pwr.kicad_mod",+ "model_3d": "bq29419pwr-hero.glb",+ "model_3d_plain": "bq29419pwr.glb",+ "model_3d_step": "bq29419pwr-etched.step",+ "model_3d_step_plain": "bq29419pwr.step",+ "lbr": "bq29419pwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864763",+ "digikey": "296-22030-2-ND",+ "mouser": "595-BQ29419PWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T16:37:11Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-22030-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BQ29419PWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VC1",+ "type": "input",+ "description": "Sense voltage input for the most positive cell; recommended VC1 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V."+ },+ {+ "number": "2",+ "name": "VC2",+ "type": "input",+ "description": "Sense voltage input for the second most positive cell; recommended VC2 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V."+ },+ {+ "number": "3",+ "name": "VC3",+ "type": "input",+ "description": "Sense voltage input for the third most positive cell; recommended VC3 input range is 0 V to 25 V, with an absolute maximum of -0.3 V to 28 V."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin; all device voltages are specified with respect to this ground, except the cell-to-cell differential voltages."+ },+ {+ "number": "5",+ "name": "VC4",+ "type": "input",+ "description": "Sense voltage input for the least positive cell; the VC4-to-GND input is limited to 0 V to 5 V in recommended operation, with an absolute maximum of -0.3 V to 28 V."+ },+ {+ "number": "6",+ "name": "CD",+ "type": "passive",+ "description": "External capacitor connection that sets the programmable overvoltage delay; the CD pin must reach 1.2 V to activate OUT, has an absolute maximum of -0.3 V to 28 V, and is clamped to GND when no overvoltage is present."+ },+ {+ "number": "7",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input with a recommended range of 4 V to 25 V and an absolute maximum of -0.3 V to 28 V."+ },+ {+ "number": "8",+ "name": "OUT",+ "type": "output",+ "description": "Overvoltage protection output that transitions high when the CD pin reaches 1.2 V to activate the external NCH FET that blows the battery fuse; absolute maximum is -0.3 V to 28 V."+ }+ ],+ "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: The TSSOP (PW) pin numbers were taken from the Terminal Functions table (PW column), which is the au"+ ],+ "pages_sent": 21,+ "cost_usd": 0.0884,+ "at": "2026-10-08T16:36:53"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/bq29419.pdf",+ "pages": 21,+ "sha256": "ba3496ab8d0bc500",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "bq29419pwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "bq29419pwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "e2719907ea414c011e850f77b294c72ebcab90dedb90a23b16e7e941a84628c9",+ "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]"+ }+}