component
BQ76925RGER
Public Made by Adomby adom
Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+62@@ -0,0 +1,62 @@+# BQ76925RGER++**Texas Instruments** · Battery Management · VQFN-24-EP(4x4)++BQ76925RGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 | VC6 | input | Cell 6 voltage sense input for the most positive cell terminal in the battery stack. |+| 2 | VC5 | input | Cell 5 voltage sense input for the second most positive cell terminal. |+| 3 | VC4 | input | Cell 4 voltage sense input for the third most positive cell terminal. |+| 4 | VC3 | input | Cell 3 voltage sense input for the fourth most positive cell terminal. |+| 5 | VC2 | input | Cell 2 voltage sense input for the fifth most positive cell terminal. |+| 6 | VC1 | input | Cell 1 voltage sense input for the least positive cell terminal. |+| 7 | VC0 | input | Cell 0 voltage sense input for the negative terminal of the cell stack with maximum voltage of ±3 V. |+| 8 | VSS | power_in | Ground (0 V) reference for all analog and digital circuits. |+| 9 | NC | unconnected | No connection - leave unconnected. |+| 10 | NC | unconnected | No connection - leave unconnected. |+| 11 | SENSEN | input | Negative sense input for current measurement through external sense resistor with 0 V reference. |+| 12 | SENSEP | input | Positive sense input for current measurement with input voltage range of -125 to +375 mV. |+| 13 | ALERT | tri_state | Open-drain overcurrent alert output sinking 1 mA at maximum 0.4 V with 100 µs response time. |+| 14 | VIOUT | output | Current measurement analog output voltage with range 0.25 to 1.25 V at REF_SEL=0 or 0.5 to 2.5 V at REF_SEL=1. |+| 15 | VCOUT | output | Cell voltage measurement analog output with gain of 0.3 or 0.6 and output range 0 to 1.5 V or 0 to 3 V. |+| 16 | VTB | output | Thermistor bias voltage output supplying 1 mA bias current for external NTC thermistor network. |+| 17 | VREF | power_in | Precision reference voltage output of 1.5 V or 3.0 V selectable via I2C with ±0.1% accuracy after calibration. |+| 18 | SDA | bidirectional | I2C serial data line with open-drain bidirectional output, voltage range 0 to 5.5 V, rates up to 100 kHz. |+| 19 | SCL | input | I2C serial clock input with open-drain pull-down capability, voltage range 0 to 5.5 V, rates up to 100 kHz. |+| 20 | V3P3 | power_out | Regulated 3.3 V output for microcontroller and peripheral supply with maximum output current of 4 mA. |+| 21 | NC | unconnected | No connection - leave unconnected. |+| 22 | NC | unconnected | No connection - leave unconnected. |+| 23 | VCTL | output | 3.3 V regulator control voltage output for external pass transistor gate or direct connection to BAT pin. |+| 24 | BAT | power_in | Main power supply input with operating voltage range of 4.2 to 26.4 V and absolute maximum of 36 V. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `BQ76925RGER`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`+- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `bq76925rger-etched.step` / `bq76925rger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq76925rger.step` / `bq76925rger.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/bq76925) (46 pp, sha256 `33df01178ba0bcfc`, retrieved 2026-09-23, 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/bq76925rger-datasheet.pdf)
page.jsonadded+245@@ -0,0 +1,245 @@+{+ "slug": "bq76925rger",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq76925rger",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq76925rger.kicad_sym",+ "bq76925rger.kicad_mod",+ "bq76925rger.glb",+ "bq76925rger.step",+ "bq76925rger.lbr",+ "docs/hero.png",+ "docs/bq76925rger-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ76925RGER",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24-EP(4x4)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq76925",+ "parts": {+ "symbol": "bq76925rger.kicad_sym",+ "footprint": "bq76925rger.kicad_mod",+ "model_3d": "bq76925rger-etched.glb",+ "model_3d_plain": "bq76925rger.glb",+ "model_3d_step": "bq76925rger-etched.step",+ "model_3d_step_plain": "bq76925rger.step",+ "lbr": "bq76925rger.lbr"+ },+ "distributor_links": {+ "lcsc": "C2859950"+ },+ "pins": [+ {+ "number": "1",+ "name": "VC6",+ "type": "input",+ "description": "Cell 6 voltage sense input for the most positive cell terminal in the battery stack."+ },+ {+ "number": "2",+ "name": "VC5",+ "type": "input",+ "description": "Cell 5 voltage sense input for the second most positive cell terminal."+ },+ {+ "number": "3",+ "name": "VC4",+ "type": "input",+ "description": "Cell 4 voltage sense input for the third most positive cell terminal."+ },+ {+ "number": "4",+ "name": "VC3",+ "type": "input",+ "description": "Cell 3 voltage sense input for the fourth most positive cell terminal."+ },+ {+ "number": "5",+ "name": "VC2",+ "type": "input",+ "description": "Cell 2 voltage sense input for the fifth most positive cell terminal."+ },+ {+ "number": "6",+ "name": "VC1",+ "type": "input",+ "description": "Cell 1 voltage sense input for the least positive cell terminal."+ },+ {+ "number": "7",+ "name": "VC0",+ "type": "input",+ "description": "Cell 0 voltage sense input for the negative terminal of the cell stack with maximum voltage of ±3 V."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground (0 V) reference for all analog and digital circuits."+ },+ {+ "number": "9",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection - leave unconnected."+ },+ {+ "number": "10",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection - leave unconnected."+ },+ {+ "number": "11",+ "name": "SENSEN",+ "type": "input",+ "description": "Negative sense input for current measurement through external sense resistor with 0 V reference."+ },+ {+ "number": "12",+ "name": "SENSEP",+ "type": "input",+ "description": "Positive sense input for current measurement with input voltage range of -125 to +375 mV."+ },+ {+ "number": "13",+ "name": "ALERT",+ "type": "tri_state",+ "description": "Open-drain overcurrent alert output sinking 1 mA at maximum 0.4 V with 100 µs response time."+ },+ {+ "number": "14",+ "name": "VIOUT",+ "type": "output",+ "description": "Current measurement analog output voltage with range 0.25 to 1.25 V at REF_SEL=0 or 0.5 to 2.5 V at REF_SEL=1."+ },+ {+ "number": "15",+ "name": "VCOUT",+ "type": "output",+ "description": "Cell voltage measurement analog output with gain of 0.3 or 0.6 and output range 0 to 1.5 V or 0 to 3 V."+ },+ {+ "number": "16",+ "name": "VTB",+ "type": "output",+ "description": "Thermistor bias voltage output supplying 1 mA bias current for external NTC thermistor network."+ },+ {+ "number": "17",+ "name": "VREF",+ "type": "power_in",+ "description": "Precision reference voltage output of 1.5 V or 3.0 V selectable via I2C with ±0.1% accuracy after calibration."+ },+ {+ "number": "18",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C serial data line with open-drain bidirectional output, voltage range 0 to 5.5 V, rates up to 100 kHz."+ },+ {+ "number": "19",+ "name": "SCL",+ "type": "input",+ "description": "I2C serial clock input with open-drain pull-down capability, voltage range 0 to 5.5 V, rates up to 100 kHz."+ },+ {+ "number": "20",+ "name": "V3P3",+ "type": "power_out",+ "description": "Regulated 3.3 V output for microcontroller and peripheral supply with maximum output current of 4 mA."+ },+ {+ "number": "21",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection - leave unconnected."+ },+ {+ "number": "22",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection - leave unconnected."+ },+ {+ "number": "23",+ "name": "VCTL",+ "type": "output",+ "description": "3.3 V regulator control voltage output for external pass transistor gate or direct connection to BAT pin."+ },+ {+ "number": "24",+ "name": "BAT",+ "type": "power_in",+ "description": "Main power supply input with operating voltage range of 4.2 to 26.4 V and absolute maximum of 36 V."+ },+ {+ "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-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 46,+ "cost_usd": 0.6249,+ "at": "2026-09-23T01:23:45"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq76925",+ "pages": 46,+ "sha256": "33df01178ba0bcfc",+ "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]"+ }+}