component
BQ25306RTER
Public Made by Adomby adom
Texas Instruments Battery Management, WQFN-16(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 @@+# BQ25306RTER++**Texas Instruments** · Battery Management · WQFN-16(3x3)++BQ25306RTER from Texas Instruments, in a WQFN-16(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 | VBUS | power_in | Charger input voltage source with 4.1V to 17V operating range and 28V absolute maximum rating |+| 2 | REGN | power_out | Low-side FET driver positive supply output with 4.2V to 5.4V regulated voltage |+| 3 | STAT | output | Charge status indication open-drain output reporting charging (LOW), complete (OPEN), or fault conditions (BLINKING) |+| 4 | ICHG | input | Charge current program input regulated at 993mV to 1003mV where charging current is set as ICHG=KICHG/RICHG |+| 5 | POL | input | EN pin polarity selection input; keep floating for standalone charger operation |+| 6 | EN | input | Device enable/disable input with input thresholds of 0.40V low and 1.3V high |+| 7 | TS | input | Battery temperature voltage input for NTC thermistor connection to enable cold/hot temperature monitoring and charging suspension |+| 8 | FB_GND | input | Battery voltage feedback ground input for resistor divider low-side connection with high impedance when charger disabled |+| 9 | FB | input | Battery voltage feedback input where charging voltage is programmed as VBATREG=1.1(1+R1/R2) with 1.094V to 1.104V reference |+| 10 | BAT | input | Battery voltage sensing input connected to positive terminal of battery pack with 3.4V to 9.0V programmable range |+| 11 | GND | power_in | Ground reference connected directly to thermal pad for electrical and heat dissipation performance |+| 12 | GND | power_in | Ground reference for single-point analog and power ground connection near IC |+| 13 | SW | passive | Switching node connected to output inductor with internal connection to HSFET source and LSFET drain |+| 14 | SW | passive | Switching node connected to output inductor with internal connection to HSFET source and LSFET drain |+| 15 | BTST | passive | High-side FET driver supply internally connected to bootstrap diode cathode with 2.7V to 3.3V refresh threshold |+| 16 | PMID | passive | Intermediate power node connected to RBFET drain and HSFET drain with 10µF capacitor to GND recommended |+| 17 | Thermal Pad | power_in | Ground reference and exposed thermal pad for low thermal-impedance path from die to PCB via vias |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-16(3x3) |+| Category | Power Management (PMIC) |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `BQ25306RTER`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: WQFN-16(3x3) (KiCad packages3D, STEP)+- 3D model files: `bq25306rter-etched.step` / `bq25306rter-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq25306rter.step` / `bq25306rter.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](http://www.ti.com/cn/lit/gpn/bq25306) (42 pp, sha256 `8009786e6366720f`, retrieved 2026-09-22, 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-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/bq25306rter-datasheet.pdf)
page.jsonadded+195@@ -0,0 +1,195 @@+{+ "slug": "bq25306rter",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, WQFN-16(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq25306rter",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq25306rter.kicad_sym",+ "bq25306rter.kicad_mod",+ "bq25306rter.glb",+ "bq25306rter.step",+ "bq25306rter.lbr",+ "docs/hero.png",+ "docs/bq25306rter-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ25306RTER",+ "manufacturer": "Texas Instruments",+ "package": "WQFN-16(3x3)",+ "pin_count": 17,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "http://www.ti.com/cn/lit/gpn/bq25306",+ "parts": {+ "symbol": "bq25306rter.kicad_sym",+ "footprint": "bq25306rter.kicad_mod",+ "model_3d": "bq25306rter-etched.glb",+ "model_3d_plain": "bq25306rter.glb",+ "model_3d_step": "bq25306rter-etched.step",+ "model_3d_step_plain": "bq25306rter.step",+ "lbr": "bq25306rter.lbr"+ },+ "distributor_links": {+ "lcsc": "C3682611"+ },+ "pins": [+ {+ "number": "1",+ "name": "VBUS",+ "type": "power_in",+ "description": "Charger input voltage source with 4.1V to 17V operating range and 28V absolute maximum rating"+ },+ {+ "number": "2",+ "name": "REGN",+ "type": "power_out",+ "description": "Low-side FET driver positive supply output with 4.2V to 5.4V regulated voltage"+ },+ {+ "number": "3",+ "name": "STAT",+ "type": "output",+ "description": "Charge status indication open-drain output reporting charging (LOW), complete (OPEN), or fault conditions (BLINKING)"+ },+ {+ "number": "4",+ "name": "ICHG",+ "type": "input",+ "description": "Charge current program input regulated at 993mV to 1003mV where charging current is set as ICHG=KICHG/RICHG"+ },+ {+ "number": "5",+ "name": "POL",+ "type": "input",+ "description": "EN pin polarity selection input; keep floating for standalone charger operation"+ },+ {+ "number": "6",+ "name": "EN",+ "type": "input",+ "description": "Device enable/disable input with input thresholds of 0.40V low and 1.3V high"+ },+ {+ "number": "7",+ "name": "TS",+ "type": "input",+ "description": "Battery temperature voltage input for NTC thermistor connection to enable cold/hot temperature monitoring and charging suspension"+ },+ {+ "number": "8",+ "name": "FB_GND",+ "type": "input",+ "description": "Battery voltage feedback ground input for resistor divider low-side connection with high impedance when charger disabled"+ },+ {+ "number": "9",+ "name": "FB",+ "type": "input",+ "description": "Battery voltage feedback input where charging voltage is programmed as VBATREG=1.1(1+R1/R2) with 1.094V to 1.104V reference"+ },+ {+ "number": "10",+ "name": "BAT",+ "type": "input",+ "description": "Battery voltage sensing input connected to positive terminal of battery pack with 3.4V to 9.0V programmable range"+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference connected directly to thermal pad for electrical and heat dissipation performance"+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for single-point analog and power ground connection near IC"+ },+ {+ "number": "13",+ "name": "SW",+ "type": "passive",+ "description": "Switching node connected to output inductor with internal connection to HSFET source and LSFET drain"+ },+ {+ "number": "14",+ "name": "SW",+ "type": "passive",+ "description": "Switching node connected to output inductor with internal connection to HSFET source and LSFET drain"+ },+ {+ "number": "15",+ "name": "BTST",+ "type": "passive",+ "description": "High-side FET driver supply internally connected to bootstrap diode cathode with 2.7V to 3.3V refresh threshold"+ },+ {+ "number": "16",+ "name": "PMID",+ "type": "passive",+ "description": "Intermediate power node connected to RBFET drain and HSFET drain with 10µF capacitor to GND recommended"+ },+ {+ "number": "17",+ "name": "Thermal Pad",+ "type": "power_in",+ "description": "Ground reference and exposed thermal pad for low thermal-impedance path from die to PCB via vias"+ }+ ],+ "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": [],+ "pages_sent": 42,+ "cost_usd": 0.4064,+ "at": "2026-09-22T21:53:05"+ },+ "datasheet": {+ "url": "http://www.ti.com/cn/lit/gpn/bq25306",+ "pages": 42,+ "sha256": "8009786e6366720f",+ "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]"+ }+}