component
BQ25619RTWR
Public Made by Adomby adom
Texas Instruments Battery Management, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# BQ25619RTWR++**Texas Instruments** · Battery Management · WQFN-24-EP(4x4)++BQ25619RTWR from Texas Instruments, in a WQFN-24-EP(4x4). 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 | VAC | input | Input voltage sensing pin that must be tied to VBUS. |+| 2 | PSEL | input | Power source selection input; HIGH for 500-mA limit, LOW for 2.4-A limit. |+| 3 | PMID_GOOD | output | Open-drain active-high PMID good indicator; HIGH when PMID < 5.2V and Q1 current below 110% IINDPM. |+| 4 | STAT | output | Open-drain charging status indicator; LOW during charge, HIGH when complete, 1Hz blink for fault. |+| 5 | SCL | input | I2C clock input connected to logic rail through 10-kΩ pull-up resistor. |+| 6 | SDA | bidirectional | I2C data line connected to logic rail through 10-kΩ pull-up resistor. |+| 7 | /INT | output | Open-drain interrupt output generating 256-μs active-low pulse for status notification. |+| 8 | NC | unconnected | Not connected pin. |+| 9 | /CE | input | Charge enable input; LOW enables battery charging when CHG_CONFIG bit is 1. |+| 10 | BATSNS | input | Battery voltage sensing input connected as close as possible to battery positive terminal. |+| 11 | TS | input | Battery temperature input with NTC thermistor; resistor divider from REGN to TS to GND. |+| 12 | /QON | input | BATFET enable/reset control input with 200-kΩ pull-up to VBAT and 6.5V internal clamp. |+| 13 | BAT | power_in | Positive battery terminal connection point; 10-μF ceramic capacitor required. |+| 14 | BAT | power_in | Positive battery terminal connection point; internal current sensing resistor between SYS and BAT. |+| 15 | SYS | power_out | Converter output connection point; minimum 10-μF ceramic capacitor to ground required. |+| 16 | SYS | power_out | Converter output connection point; minimum 10-μF ceramic capacitor to ground required. |+| 17 | PGND | power_in | Power ground connection for device operation. |+| 18 | PGND | power_in | Power ground connection for device operation. |+| 19 | SW | passive | Switching node connected to output inductor; 0.047-μF bootstrap capacitor from SW to BTST. |+| 20 | SW | passive | Switching node connected to output inductor; 0.047-μF bootstrap capacitor from SW to BTST. |+| 21 | BTST | passive | Bootstrap supply for PWM high-side gate drive; 0.047-μF capacitor from SW to BTST required. |+| 22 | REGN | power_out | Low-side driver positive supply output at 4.7V typical; 4.7-μF ceramic capacitor to ground required. |+| 23 | PMID | power_out | Boost mode output providing 4.6V to 5.15V regulated voltage; 1-2μF plus 1-nF capacitor recommended. |+| 24 | VBUS | power_in | Input power supply from 4V to 13.5V; 1-μF ceramic capacitor to ground required. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `BQ25619RTWR`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: WQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `bq25619rtwr-etched.step` / `bq25619rtwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq25619rtwr.step` / `bq25619rtwr.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/bq25619) (68 pp, sha256 `d58774ff9dc19ace`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/bq25619rtwr-datasheet.pdf)
page.jsonadded+260@@ -0,0 +1,260 @@+{+ "slug": "bq25619rtwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq25619rtwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq25619rtwr.kicad_sym",+ "bq25619rtwr.kicad_mod",+ "bq25619rtwr.glb",+ "bq25619rtwr.step",+ "bq25619rtwr.lbr",+ "docs/hero.png",+ "docs/bq25619rtwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ25619RTWR",+ "manufacturer": "Texas Instruments",+ "package": "WQFN-24-EP(4x4)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq25619",+ "parts": {+ "symbol": "bq25619rtwr.kicad_sym",+ "footprint": "bq25619rtwr.kicad_mod",+ "model_3d": "bq25619rtwr-etched.glb",+ "model_3d_plain": "bq25619rtwr.glb",+ "model_3d_step": "bq25619rtwr-etched.step",+ "model_3d_step_plain": "bq25619rtwr.step",+ "lbr": "bq25619rtwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864534",+ "digikey": "296-BQ25619RTWRTR-ND",+ "mouser": "595-BQ25619RTWR"+ },+ "distributor_check": {+ "checked_at": "2026-09-24T23:24:44Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-BQ25619RTWRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BQ25619RTWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VAC",+ "type": "input",+ "description": "Input voltage sensing pin that must be tied to VBUS."+ },+ {+ "number": "2",+ "name": "PSEL",+ "type": "input",+ "description": "Power source selection input; HIGH for 500-mA limit, LOW for 2.4-A limit."+ },+ {+ "number": "3",+ "name": "PMID_GOOD",+ "type": "output",+ "description": "Open-drain active-high PMID good indicator; HIGH when PMID < 5.2V and Q1 current below 110% IINDPM."+ },+ {+ "number": "4",+ "name": "STAT",+ "type": "output",+ "description": "Open-drain charging status indicator; LOW during charge, HIGH when complete, 1Hz blink for fault."+ },+ {+ "number": "5",+ "name": "SCL",+ "type": "input",+ "description": "I2C clock input connected to logic rail through 10-kΩ pull-up resistor."+ },+ {+ "number": "6",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C data line connected to logic rail through 10-kΩ pull-up resistor."+ },+ {+ "number": "7",+ "name": "/INT",+ "type": "output",+ "description": "Open-drain interrupt output generating 256-μs active-low pulse for status notification."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected pin."+ },+ {+ "number": "9",+ "name": "/CE",+ "type": "input",+ "description": "Charge enable input; LOW enables battery charging when CHG_CONFIG bit is 1."+ },+ {+ "number": "10",+ "name": "BATSNS",+ "type": "input",+ "description": "Battery voltage sensing input connected as close as possible to battery positive terminal."+ },+ {+ "number": "11",+ "name": "TS",+ "type": "input",+ "description": "Battery temperature input with NTC thermistor; resistor divider from REGN to TS to GND."+ },+ {+ "number": "12",+ "name": "/QON",+ "type": "input",+ "description": "BATFET enable/reset control input with 200-kΩ pull-up to VBAT and 6.5V internal clamp."+ },+ {+ "number": "13",+ "name": "BAT",+ "type": "power_in",+ "description": "Positive battery terminal connection point; 10-μF ceramic capacitor required."+ },+ {+ "number": "14",+ "name": "BAT",+ "type": "power_in",+ "description": "Positive battery terminal connection point; internal current sensing resistor between SYS and BAT."+ },+ {+ "number": "15",+ "name": "SYS",+ "type": "power_out",+ "description": "Converter output connection point; minimum 10-μF ceramic capacitor to ground required."+ },+ {+ "number": "16",+ "name": "SYS",+ "type": "power_out",+ "description": "Converter output connection point; minimum 10-μF ceramic capacitor to ground required."+ },+ {+ "number": "17",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground connection for device operation."+ },+ {+ "number": "18",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground connection for device operation."+ },+ {+ "number": "19",+ "name": "SW",+ "type": "passive",+ "description": "Switching node connected to output inductor; 0.047-μF bootstrap capacitor from SW to BTST."+ },+ {+ "number": "20",+ "name": "SW",+ "type": "passive",+ "description": "Switching node connected to output inductor; 0.047-μF bootstrap capacitor from SW to BTST."+ },+ {+ "number": "21",+ "name": "BTST",+ "type": "passive",+ "description": "Bootstrap supply for PWM high-side gate drive; 0.047-μF capacitor from SW to BTST required."+ },+ {+ "number": "22",+ "name": "REGN",+ "type": "power_out",+ "description": "Low-side driver positive supply output at 4.7V typical; 4.7-μF ceramic capacitor to ground required."+ },+ {+ "number": "23",+ "name": "PMID",+ "type": "power_out",+ "description": "Boost mode output providing 4.6V to 5.15V regulated voltage; 1-2μF plus 1-nF capacitor recommended."+ },+ {+ "number": "24",+ "name": "VBUS",+ "type": "power_in",+ "description": "Input power supply from 4V to 13.5V; 1-μF ceramic capacitor to ground required."+ },+ {+ "number": "25",+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 68,+ "cost_usd": 0.743,+ "at": "2026-09-24T23:24:27"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq25619",+ "pages": 68,+ "sha256": "d58774ff9dc19ace",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "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]"+ }+}