component
BQ24074RGTT
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+54@@ -0,0 +1,54 @@+# BQ24074RGTT++**Texas Instruments** · Battery Management · VQFN-16-EP(3x3)++BQ24074RGTT from Texas Instruments, in a VQFN-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; connect to the NTC thermistor in battery pack to monitor 10kΩ thermistor. |+| 2 | BAT | bidirectional | Charger Power Stage Output and Battery Voltage Sense Input; connect to positive terminal of battery and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 3 | BAT | bidirectional | Charger Power Stage Output and Battery Voltage Sense Input; connect to positive terminal of battery and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor. |+| 4 | CE | input | Charge Enable Active-Low Input; connect high to disable battery charging with OUT remaining active, connect low to enable charger, internally pulled down with ≈285 kΩ. |+| 5 | EN2 | input | Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ. |+| 6 | EN1 | input | Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ. |+| 7 | PGOOD | output | Open-drain Power Good Status Indication Output; pulls to VSS when valid input source is detected, high-impedance when input power outside specified limits. |+| 8 | VSS | power_in | Ground; connect to thermal pad and ground rail of circuit with internal electrical connection to exposed thermal pad. |+| 9 | CHG | output | Open-Drain Charging Status Indication Output; pulls to VSS when battery is charging, high-impedance when charging complete or charger disabled. |+| 10 | OUT | output | System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor. |+| 11 | OUT | output | System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor. |+| 12 | ILIM | input | Adjustable Current Limit Programming Input; connect 1100-Ω to 8-kΩ resistor from ILIM to VSS to program maximum input current (EN2=1, EN1=0), leaving unconnected disables charging. |+| 13 | IN | input | Input Power Connection; connect to external DC supply with input operating range 4.35 V to 10.5 V for BQ24074, bypass with 1 μF to 10 μF capacitor to VSS. |+| 14 | TMR | input | Timer Programming Input; controls pre-charge and fast-charge safety timers, connect to VSS to disable or 18-kΩ to 72-kΩ resistor to program desired length. |+| 15 | ITERM | input | Termination Current Programming Input; connect 0-Ω to 15-kΩ resistor from ITERM to VSS to program termination current, leave unconnected for default 10% termination threshold. |+| 16 | ISET | bidirectional | Fast Charge Current Programming Input; connect 590-Ω to 8.9-kΩ resistor from ISET to VSS to program fast charge current level, voltage at ISET reflects actual charging current. |+| 17 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `BQ24074RGTT`+- 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: `bq24074rgtt-etched.step` / `bq24074rgtt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq24074rgtt.step` / `bq24074rgtt.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/bq24075) (55 pp, sha256 `43e87bbb1254f71b`, retrieved 2026-10-05, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/bq24074rgtt-datasheet.pdf)
page.jsonadded+215@@ -0,0 +1,215 @@+{+ "slug": "bq24074rgtt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq24074rgtt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq24074rgtt.kicad_sym",+ "bq24074rgtt.kicad_mod",+ "bq24074rgtt.glb",+ "bq24074rgtt.step",+ "bq24074rgtt.lbr",+ "docs/hero.png",+ "docs/bq24074rgtt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "bq24074rgtt-hero.glb",+ "bq24074rgtt-hero.overlay.json"+ ],+ "component": {+ "mpn": "BQ24074RGTT",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq24075",+ "parts": {+ "symbol": "bq24074rgtt.kicad_sym",+ "footprint": "bq24074rgtt.kicad_mod",+ "model_3d": "bq24074rgtt-hero.glb",+ "model_3d_plain": "bq24074rgtt.glb",+ "model_3d_step": "bq24074rgtt-etched.step",+ "model_3d_step_plain": "bq24074rgtt.step",+ "lbr": "bq24074rgtt.lbr"+ },+ "distributor_links": {+ "lcsc": 2861252,+ "digikey": "296-23798-2-ND",+ "mouser": "595-BQ24074RGTT"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T19:56:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-23798-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BQ24074RGTT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "TS",+ "type": "input",+ "description": "External NTC Thermistor Input; connect to the NTC thermistor in battery pack to monitor 10kΩ thermistor."+ },+ {+ "number": "2",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Charger Power Stage Output and Battery Voltage Sense Input; connect to positive terminal of battery and 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; connect to positive terminal of battery and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."+ },+ {+ "number": "4",+ "name": "CE",+ "type": "input",+ "description": "Charge Enable Active-Low Input; connect high to disable battery charging with OUT remaining active, connect low to enable charger, internally pulled down with ≈285 kΩ."+ },+ {+ "number": "5",+ "name": "EN2",+ "type": "input",+ "description": "Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ."+ },+ {+ "number": "6",+ "name": "EN1",+ "type": "input",+ "description": "Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ."+ },+ {+ "number": "7",+ "name": "PGOOD",+ "type": "output",+ "description": "Open-drain Power Good Status Indication Output; pulls to VSS when valid input source is detected, high-impedance when input power outside specified limits."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground; connect to thermal pad and ground rail of circuit with internal electrical connection to exposed thermal pad."+ },+ {+ "number": "9",+ "name": "CHG",+ "type": "output",+ "description": "Open-Drain Charging Status Indication Output; pulls to VSS when battery is charging, high-impedance when charging complete or charger disabled."+ },+ {+ "number": "10",+ "name": "OUT",+ "type": "output",+ "description": "System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor."+ },+ {+ "number": "11",+ "name": "OUT",+ "type": "output",+ "description": "System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor."+ },+ {+ "number": "12",+ "name": "ILIM",+ "type": "input",+ "description": "Adjustable Current Limit Programming Input; connect 1100-Ω to 8-kΩ resistor from ILIM to VSS to program maximum input current (EN2=1, EN1=0), leaving unconnected disables charging."+ },+ {+ "number": "13",+ "name": "IN",+ "type": "input",+ "description": "Input Power Connection; connect to external DC supply with input operating range 4.35 V to 10.5 V for BQ24074, bypass with 1 μF to 10 μF capacitor to VSS."+ },+ {+ "number": "14",+ "name": "TMR",+ "type": "input",+ "description": "Timer Programming Input; controls pre-charge and fast-charge safety timers, connect to VSS to disable or 18-kΩ to 72-kΩ resistor to program desired length."+ },+ {+ "number": "15",+ "name": "ITERM",+ "type": "input",+ "description": "Termination Current Programming Input; connect 0-Ω to 15-kΩ resistor from ITERM to VSS to program termination current, leave unconnected for default 10% termination threshold."+ },+ {+ "number": "16",+ "name": "ISET",+ "type": "bidirectional",+ "description": "Fast Charge Current Programming Input; connect 590-Ω to 8.9-kΩ resistor from ISET to VSS to program fast charge current level, voltage at ISET reflects actual charging current."+ },+ {+ "number": "17",+ "name": "Thermal Pad",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Thermal pad present in VQFN package with internal electrical connection to VSS pin per datasheet, bu",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 16,+ "cost_usd": 0.1755,+ "at": "2026-10-05T19:56:29"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq24075",+ "pages": 55,+ "sha256": "43e87bbb1254f71b",+ "source_tier": "lcsc"+ },+ "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]"+ }+}