component
BQ29410DCT3R
Public Made by Adomby adom
Texas Instruments Battery Management, MSOP-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 @@+# BQ29410DCT3R++**Texas Instruments** · Battery Management · MSOP-8++BQ29410DCT3R from Texas Instruments, in a MSOP-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 | OUT | output | Overvoltage protection output that goes high when the CD pin reaches 1.2 V and returns low after all cells fall to V(PROTECT) minus Vhys; absolute maximum output voltage is 28 V. |+| 2 | VDD | power_in | Power supply input, recommended 4 V to 25 V with a 0.1 µF filter capacitor and up to 1 kΩ filter resistor, absolute maximum 28 V. |+| 3 | CD | passive | Connection for the external delay capacitor (0.22 µF typical in the datasheet example) that sets the overvoltage detection delay; the pin reaches 1.2 V to activate OUT, and absolute maximum voltage is 28 V. |+| 4 | VC4 | input | Sense voltage input for the least positive cell; recommended input range is 0 V to 25 V, and the VC4 to GND difference is limited to 0 V to 5 V. |+| 5 | GND | power_in | Ground reference pin for the device; all voltages are referenced to this pin except the cell-to-cell differential voltages. |+| 6 | VC3 | input | Sense voltage input for the third most positive cell; recommended input range is 0 V to 25 V, and the VC3 to VC4 difference is limited to 0 V to 5 V. |+| 7 | VC2 | input | Sense voltage input for the second most positive cell; recommended input range is 0 V to 25 V, and the VC2 to VC3 difference is limited to 0 V to 5 V. |+| 8 | VC1 | input | Sense voltage input for the most positive cell; recommended input range is 0 V to 25 V, and the VC1 to VC2 difference is limited to 0 V to 5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `BQ29410DCT3R`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `bq29410dct3r-etched.step` / `bq29410dct3r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq29410dct3r.step` / `bq29410dct3r.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/bq29411) (21 pp, sha256 `ba3496ab8d0bc500`, retrieved 2026-10-07, 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/bq29410dct3r-datasheet.pdf)
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absolute maximum output voltage is 28 V."+ },+ {+ "number": "2",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input, recommended 4 V to 25 V with a 0.1 µF filter capacitor and up to 1 kΩ filter resistor, absolute maximum 28 V."+ },+ {+ "number": "3",+ "name": "CD",+ "type": "passive",+ "description": "Connection for the external delay capacitor (0.22 µF typical in the datasheet example) that sets the overvoltage detection delay; the pin reaches 1.2 V to activate OUT, and absolute maximum voltage is 28 V."+ },+ {+ "number": "4",+ "name": "VC4",+ "type": "input",+ "description": "Sense voltage input for the least positive cell; recommended input range is 0 V to 25 V, and the VC4 to GND difference is limited to 0 V to 5 V."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin for the device; all voltages are referenced to this pin except the cell-to-cell differential voltages."+ },+ {+ "number": "6",+ "name": "VC3",+ "type": "input",+ "description": "Sense voltage input for the third most positive cell; recommended input range is 0 V to 25 V, and the VC3 to VC4 difference is limited to 0 V to 5 V."+ },+ {+ "number": "7",+ "name": "VC2",+ "type": "input",+ "description": "Sense voltage input for the second most positive cell; recommended input range is 0 V to 25 V, and the VC2 to VC3 difference is limited to 0 V to 5 V."+ },+ {+ "number": "8",+ "name": "VC1",+ "type": "input",+ "description": "Sense voltage input for the most positive cell; recommended input range is 0 V to 25 V, and the VC1 to VC2 difference is limited to 0 V to 5 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: Package naming is inconsistent in the datasheet: the ordering table says MSOP (DCT), while the packa; The PW (TSSOP-8) variant has a different pin numbering (VC1=1, VC2=2, VC3=3, GND=4, VC4=5, CD=6, VDD; The datasheet does not give a pin type for CD; 'passive' was chosen because the pin is an external c"+ ],+ "pages_sent": 21,+ "cost_usd": 0.0947,+ "at": "2026-10-07T22:50:40"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq29411",+ "pages": 21,+ "sha256": "ba3496ab8d0bc500",+ "source_tier": "lcsc"+ },+ "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": "bq29410dct3r.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "bq29410dct3r-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.9,+ 3,+ 0.95+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d0792e4de7a957a5077f1f3560c5d76348cebd79d1e757920e33aba0de917b08",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}