component
BQ24074RGTR
Public Made by Adomby adom
Texas Instruments Battery Management, QFN-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 @@+# BQ24074RGTR++**Texas Instruments** · Battery Management · QFN-16-EP(3x3)++BQ24074RGTR from Texas Instruments, in a QFN-16-EP(3x3). 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 | TS | input | External NTC thermistor input for battery temperature monitoring; nominal 10 kΩ thermistor. |+| 2 | BAT | bidirectional | Battery positive terminal providing charging current output and battery voltage sensing input; bypass with 4.7 μF to 47 μF ceramic capacitor. |+| 3 | BAT | bidirectional | Battery positive terminal providing charging current output and battery voltage sensing input; bypass with 4.7 μF to 47 μF ceramic capacitor. |+| 4 | CE | input | Charge enable active-low control input; connect low to enable charging, high to disable with internal 285 kΩ pulldown. |+| 5 | EN2 | input | Input current limit configuration input; use with EN1 to set USB compliance mode with internal 285 kΩ pulldown. |+| 6 | EN1 | input | Input current limit configuration input; use with EN2 to set USB compliance mode with internal 285 kΩ pulldown. |+| 7 | PGOOD | tri_state | Open-drain power good status output; pulls to VSS when valid input source detected (4.35 V < VIN < 10.8 V for BQ24074). |+| 8 | VSS | power_in | Ground connection; connect to circuit ground and thermal pad at all times. |+| 9 | CHG | tri_state | Open-drain charging status output; pulls to VSS when battery is charging, high impedance when complete. |+| 10 | OUT | power_out | System regulated power supply output; 4.4 V when valid input present; bypass with 4.7 μF to 47 μF ceramic capacitor. |+| 11 | OUT | power_out | System regulated power supply output; 4.4 V when valid input present; bypass with 4.7 μF to 47 μF ceramic capacitor. |+| 12 | ILIM | input | Adjustable input current limit programming input; connect 1.1 kΩ to 8 kΩ resistor to VSS for 200 mA to 1.5 A limit. |+| 13 | IN | power_in | Power input connection; 4.35 V to 10.5 V operating range, accepts up to 26 V without damage; bypass with 1 μF to 10 μF capacitor. |+| 14 | TMR | input | Pre-charge and fast-charge timer programming input; connect 18 kΩ to 72 kΩ resistor to VSS for desired timer duration. |+| 15 | ITERM | input | Termination current programming input (BQ24074 only); connect 0 Ω to 15 kΩ resistor to VSS to set termination threshold. |+| 16 | ISET | bidirectional | Fast charge current programming input; connect 590 Ω to 8.9 kΩ resistor to VSS; voltage output monitors actual charge current. |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-16-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `BQ24074RGTR`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: QFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `bq24074rgtr-etched.step` / `bq24074rgtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq24074rgtr.step` / `bq24074rgtr.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/bq24074.pdf) (55 pp, sha256 `4fe4e4f9855501f8`, retrieved 2026-09-24, 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/bq24074rgtr-datasheet.pdf)
page.jsonadded+198@@ -0,0 +1,198 @@+{+ "slug": "bq24074rgtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq24074rgtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq24074rgtr.kicad_sym",+ "bq24074rgtr.kicad_mod",+ "bq24074rgtr.glb",+ "bq24074rgtr.step",+ "bq24074rgtr.lbr",+ "docs/hero.png",+ "docs/bq24074rgtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ24074RGTR",+ "manufacturer": "Texas Instruments",+ "package": "QFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/lit/ds/symlink/bq24074.pdf",+ "parts": {+ "symbol": "bq24074rgtr.kicad_sym",+ "footprint": "bq24074rgtr.kicad_mod",+ "model_3d": "bq24074rgtr-etched.glb",+ "model_3d_plain": "bq24074rgtr.glb",+ "model_3d_step": "bq24074rgtr-etched.step",+ "model_3d_step_plain": "bq24074rgtr.step",+ "lbr": "bq24074rgtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C54313"+ },+ "pins": [+ {+ "number": "1",+ "name": "TS",+ "type": "input",+ "description": "External NTC thermistor input for battery temperature monitoring; nominal 10 kΩ thermistor."+ },+ {+ "number": "2",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Battery positive terminal providing charging current output and battery voltage sensing input; bypass with 4.7 μF to 47 μF ceramic capacitor."+ },+ {+ "number": "3",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Battery positive terminal providing charging current output and battery voltage sensing input; bypass with 4.7 μF to 47 μF ceramic capacitor."+ },+ {+ "number": "4",+ "name": "CE",+ "type": "input",+ "description": "Charge enable active-low control input; connect low to enable charging, high to disable with internal 285 kΩ pulldown."+ },+ {+ "number": "5",+ "name": "EN2",+ "type": "input",+ "description": "Input current limit configuration input; use with EN1 to set USB compliance mode with internal 285 kΩ pulldown."+ },+ {+ "number": "6",+ "name": "EN1",+ "type": "input",+ "description": "Input current limit configuration input; use with EN2 to set USB compliance mode with internal 285 kΩ pulldown."+ },+ {+ "number": "7",+ "name": "PGOOD",+ "type": "tri_state",+ "description": "Open-drain power good status output; pulls to VSS when valid input source detected (4.35 V < VIN < 10.8 V for BQ24074)."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground connection; connect to circuit ground and thermal pad at all times."+ },+ {+ "number": "9",+ "name": "CHG",+ "type": "tri_state",+ "description": "Open-drain charging status output; pulls to VSS when battery is charging, high impedance when complete."+ },+ {+ "number": "10",+ "name": "OUT",+ "type": "power_out",+ "description": "System regulated power supply output; 4.4 V when valid input present; bypass with 4.7 μF to 47 μF ceramic capacitor."+ },+ {+ "number": "11",+ "name": "OUT",+ "type": "power_out",+ "description": "System regulated power supply output; 4.4 V when valid input present; bypass with 4.7 μF to 47 μF ceramic capacitor."+ },+ {+ "number": "12",+ "name": "ILIM",+ "type": "input",+ "description": "Adjustable input current limit programming input; connect 1.1 kΩ to 8 kΩ resistor to VSS for 200 mA to 1.5 A limit."+ },+ {+ "number": "13",+ "name": "IN",+ "type": "power_in",+ "description": "Power input connection; 4.35 V to 10.5 V operating range, accepts up to 26 V without damage; bypass with 1 μF to 10 μF capacitor."+ },+ {+ "number": "14",+ "name": "TMR",+ "type": "input",+ "description": "Pre-charge and fast-charge timer programming input; connect 18 kΩ to 72 kΩ resistor to VSS for desired timer duration."+ },+ {+ "number": "15",+ "name": "ITERM",+ "type": "input",+ "description": "Termination current programming input (BQ24074 only); connect 0 Ω to 15 kΩ resistor to VSS to set termination threshold."+ },+ {+ "number": "16",+ "name": "ISET",+ "type": "bidirectional",+ "description": "Fast charge current programming input; connect 590 Ω to 8.9 kΩ resistor to VSS; voltage output monitors actual charge current."+ },+ {+ "number": "17",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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": [+ "exposed pad 17 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 55,+ "cost_usd": 0.5996,+ "at": "2026-09-24T05:30:34"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/bq24074.pdf",+ "pages": 55,+ "sha256": "4fe4e4f9855501f8",+ "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]"+ }+}