component
BQ24078RGTR
Public Made by Adomby adom
Texas Instruments Battery Management, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# BQ24078RGTR++**Texas Instruments** · Battery Management · VQFN-16-EP(3x3)++BQ24078RGTR from Texas Instruments, in a VQFN-16-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | TS | input | External NTC thermistor input monitoring 10-kΩ thermistor in battery pack to prevent dangerous over-temperature conditions during charging. |+| 2 | BAT | bidirectional | Charger power stage output and battery voltage sense input for positive battery terminal; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 3 | BAT | bidirectional | Charger power stage output and battery voltage sense input for positive battery terminal; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 4 | CE | input | Charge enable active-low input with internal 285-kΩ pull-down; drive low to enable charging and high to suspend charging with OUT remaining active. |+| 5 | EN2 | input | Input current limit configuration input with internal 285-kΩ pull-down; use with EN1 to select USB compliance mode and input current limit. |+| 6 | EN1 | input | Input current limit configuration input with internal 285-kΩ pull-down; use with EN2 to select USB compliance mode and input current limit. |+| 7 | PGOOD | output | Open-drain power good status indication output that pulls to VSS when valid input source is detected within VBAT+VIN(DT) < VIN < VOVP range. |+| 8 | VSS | power_in | Ground connection; must connect to thermal pad and circuit ground rail at all times as primary ground input for device. |+| 9 | CHG | output | Open-drain charging status indication output that pulls to VSS during battery charging and goes high-impedance when charging is complete or disabled. |+| 10 | OUT | output | System supply output providing regulated power to external load when input is valid; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 11 | OUT | output | System supply output providing regulated power to external load when input is valid; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 12 | ILIM | input | Adjustable current limit programming input; connect 1100-Ω to 8-kΩ resistor to VSS to program maximum input current when EN2=1 and EN1=0. |+| 13 | IN | power_in | Input power connection from AC adapter or USB port with operating range 4.35 V to 6.6 V; accepts up to 26 V without damage but operation is suspended. |+| 14 | TMR | input | Timer programming input controlling pre-charge and fast-charge safety timers; connect 18-kΩ to 72-kΩ resistor to VSS to program timer duration. |+| 15 | SYSOFF | input | System enable input with internal pull-up to VBAT (~5 MΩ); drive high to disconnect battery from system output and disable charging. |+| 16 | ISET | bidirectional | Fast charge current programming input/output; connect 590-Ω to 8.9-kΩ resistor to VSS to program fast charge current; output voltage monitors charging current. |+| 17 | Thermal Pad | power_in | Exposed thermal pad with internal electrical connection to VSS for IC junction temperature management; connect to circuit board ground plane via matrix. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `BQ24078RGTR`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `bq24078rgtr-etched.step` / `bq24078rgtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq24078rgtr.step` / `bq24078rgtr.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/bq24078.pdf) (43 pp, sha256 `5403169e7534f8c4`, retrieved 2026-09-23, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/bq24078rgtr-datasheet.pdf)
page.jsonadded+197@@ -0,0 +1,197 @@+{+ "slug": "bq24078rgtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, VQFN-16-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq24078rgtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq24078rgtr.kicad_sym",+ "bq24078rgtr.kicad_mod",+ "bq24078rgtr.glb",+ "bq24078rgtr.step",+ "bq24078rgtr.lbr",+ "docs/hero.png",+ "docs/bq24078rgtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ24078RGTR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/lit/ds/symlink/bq24078.pdf",+ "parts": {+ "symbol": "bq24078rgtr.kicad_sym",+ "footprint": "bq24078rgtr.kicad_mod",+ "model_3d": "bq24078rgtr-etched.glb",+ "model_3d_plain": "bq24078rgtr.glb",+ "model_3d_step": "bq24078rgtr-etched.step",+ "model_3d_step_plain": "bq24078rgtr.step",+ "lbr": "bq24078rgtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C473396"+ },+ "pins": [+ {+ "number": "1",+ "name": "TS",+ "type": "input",+ "description": "External NTC thermistor input monitoring 10-kΩ thermistor in battery pack to prevent dangerous over-temperature conditions during charging."+ },+ {+ "number": "2",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Charger power stage output and battery voltage sense input for positive battery terminal; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."+ },+ {+ "number": "3",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Charger power stage output and battery voltage sense input for positive battery terminal; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."+ },+ {+ "number": "4",+ "name": "CE",+ "type": "input",+ "description": "Charge enable active-low input with internal 285-kΩ pull-down; drive low to enable charging and high to suspend charging with OUT remaining active."+ },+ {+ "number": "5",+ "name": "EN2",+ "type": "input",+ "description": "Input current limit configuration input with internal 285-kΩ pull-down; use with EN1 to select USB compliance mode and input current limit."+ },+ {+ "number": "6",+ "name": "EN1",+ "type": "input",+ "description": "Input current limit configuration input with internal 285-kΩ pull-down; use with EN2 to select USB compliance mode and input current limit."+ },+ {+ "number": "7",+ "name": "PGOOD",+ "type": "output",+ "description": "Open-drain power good status indication output that pulls to VSS when valid input source is detected within VBAT+VIN(DT) < VIN < VOVP range."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground connection; must connect to thermal pad and circuit ground rail at all times as primary ground input for device."+ },+ {+ "number": "9",+ "name": "CHG",+ "type": "output",+ "description": "Open-drain charging status indication output that pulls to VSS during battery charging and goes high-impedance when charging is complete or disabled."+ },+ {+ "number": "10",+ "name": "OUT",+ "type": "output",+ "description": "System supply output providing regulated power to external load when input is valid; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."+ },+ {+ "number": "11",+ "name": "OUT",+ "type": "output",+ "description": "System supply output providing regulated power to external load when input is valid; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."+ },+ {+ "number": "12",+ "name": "ILIM",+ "type": "input",+ "description": "Adjustable current limit programming input; connect 1100-Ω to 8-kΩ resistor to VSS to program maximum input current when EN2=1 and EN1=0."+ },+ {+ "number": "13",+ "name": "IN",+ "type": "power_in",+ "description": "Input power connection from AC adapter or USB port with operating range 4.35 V to 6.6 V; accepts up to 26 V without damage but operation is suspended."+ },+ {+ "number": "14",+ "name": "TMR",+ "type": "input",+ "description": "Timer programming input controlling pre-charge and fast-charge safety timers; connect 18-kΩ to 72-kΩ resistor to VSS to program timer duration."+ },+ {+ "number": "15",+ "name": "SYSOFF",+ "type": "input",+ "description": "System enable input with internal pull-up to VBAT (~5 MΩ); drive high to disconnect battery from system output and disable charging."+ },+ {+ "number": "16",+ "name": "ISET",+ "type": "bidirectional",+ "description": "Fast charge current programming input/output; connect 590-Ω to 8.9-kΩ resistor to VSS to program fast charge current; output voltage monitors charging current."+ },+ {+ "number": "17",+ "name": "Thermal Pad",+ "type": "power_in",+ "description": "Exposed thermal pad with internal electrical connection to VSS for IC junction temperature management; connect to circuit board ground plane via matrix."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Thermal pad is referenced as 'EXPOSED PAD 17' in the stencil example (page 42) but shown as '– –' wi; PGOOD (pin 7) and CHG (pin 9) are open-drain outputs; may be more accurately classified as tri_state"+ ],+ "pages_sent": 43,+ "cost_usd": 0.5581,+ "at": "2026-09-23T12:32:31"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/bq24078.pdf",+ "pages": 43,+ "sha256": "5403169e7534f8c4",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}