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BQ7791502PWR
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Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+61@@ -0,0 +1,61 @@+# BQ7791502PWR++**Texas Instruments** · Battery Management · TSSOP-24++BQ7791502PWR from Texas Instruments, in a TSSOP-24. 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 | VDD | power_in | Supply voltage input operating from 3 to 25 V. |+| 2 | AVDD | power_out | Analog supply output; connect only to capacitor, output voltage 2.1 to 3.6 V. |+| 3 | VC5 | input | Cell voltage sense input for highest cell in 5-series configuration, input range 0 to 5 V. |+| 4 | VC4 | input | Cell voltage sense input for 4-series cell measurement, input range 0 to 5 V. |+| 5 | VC3 | input | Cell voltage sense input for 3-series cell measurement, input range 0 to 5 V. |+| 6 | VC2 | input | Cell voltage sense input for 2-series cell measurement, input range 0 to 5 V. |+| 7 | VC1 | input | Cell voltage sense input for 1-series cell measurement, input range 0 to 5 V. |+| 8 | VC0 | input | Cell voltage sense input for lowest cell measurement, input range 0 to 3.6 V. |+| 9 | VSS | power_in | Analog ground reference pin. |+| 10 | SRP | input | Current sense input connected to battery-side of sense resistor, input range -0.2 to 0.8 V. |+| 11 | SRN | input | Current sense input connected to pack-side of sense resistor, input range -0.2 to 0.8 V. |+| 12 | DSG | output | DSG FET driver output with 0 to 16 V range and fast switching to control discharge FET. |+| 13 | CHG | output | CHG FET driver output with -30 to 20 V absolute rating and body diode protection capability. |+| 14 | LD | input | Load removal detection input from PACK- terminal, absolute range -30 to 20 V. |+| 15 | LPWR | output | HIBERNATE mode communication pin output; connect to PRES of lower device in stack, output range -30 to 3.6 V. |+| 16 | CBI | input | Cell balancing input; drive low to enable cell balancing or leave floating to disable, input range 0 to 3.6 V. |+| 17 | OCDP | input | OCD1/2 fault detection delay programming input; connect external resistor to VSS (10-MΩ for upper devices), input range 0 to 3.6 V. |+| 18 | TS | input | Thermistor measurement input for temperature protection using 103AT NTC thermistor, input range 0 to VTB. |+| 19 | VTB | output | Thermistor bias output driving 10-kΩ pullup resistor to thermistor, output range 0 to 3 V. |+| 20 | CCFG | input | Cell in-series configuration input for selecting 3-, 4-, or 5-series cell count, input range 0 to 3.6 V. |+| 21 | CBO | output | Cell balancing output for stacked device connectivity; connect via 10-kΩ resistor to upper device CBI pin, output range 0 to VDD. |+| 22 | PRES | input | HIBERNATE mode input; drive high (>1.5 V) for normal operation or leave floating for low-power hibernation, input range 0 to 36 V. |+| 23 | CTRC | input | CHG FET driver override input for external control or upper device CHG cascade connection, input range 0 to VDD+5 V. |+| 24 | CTRD | input | DSG FET driver override input for external control or upper device DSG cascade connection, input range 0 to VDD+5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-24 |+| Category | Power Management (PMIC) |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `BQ7791502PWR`+- Footprint: `Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm`+- 3D model: TSSOP-24 (KiCad packages3D, STEP)+- 3D model files: `bq7791502pwr-etched.step` / `bq7791502pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq7791502pwr.step` / `bq7791502pwr.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/bq77915) (56 pp, sha256 `0b1cab63aa1e53ef`, retrieved 2026-09-27, 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/bq7791502pwr-datasheet.pdf)
page.jsonadded+252@@ -0,0 +1,252 @@+{+ "slug": "bq7791502pwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq7791502pwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq7791502pwr.kicad_sym",+ "bq7791502pwr.kicad_mod",+ "bq7791502pwr.glb",+ "bq7791502pwr.step",+ "bq7791502pwr.lbr",+ "docs/hero.png",+ "docs/bq7791502pwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ7791502PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-24",+ "pin_count": 24,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq77915",+ "parts": {+ "symbol": "bq7791502pwr.kicad_sym",+ "footprint": "bq7791502pwr.kicad_mod",+ "model_3d": "bq7791502pwr-etched.glb",+ "model_3d_plain": "bq7791502pwr.glb",+ "model_3d_step": "bq7791502pwr-etched.step",+ "model_3d_step_plain": "bq7791502pwr.step",+ "lbr": "bq7791502pwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2865574",+ "digikey": "296-BQ7791502PWRTR-ND",+ "mouser": "595-BQ7791502PWR"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T08:40:53Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-BQ7791502PWRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BQ7791502PWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Supply voltage input operating from 3 to 25 V."+ },+ {+ "number": "2",+ "name": "AVDD",+ "type": "power_out",+ "description": "Analog supply output; connect only to capacitor, output voltage 2.1 to 3.6 V."+ },+ {+ "number": "3",+ "name": "VC5",+ "type": "input",+ "description": "Cell voltage sense input for highest cell in 5-series configuration, input range 0 to 5 V."+ },+ {+ "number": "4",+ "name": "VC4",+ "type": "input",+ "description": "Cell voltage sense input for 4-series cell measurement, input range 0 to 5 V."+ },+ {+ "number": "5",+ "name": "VC3",+ "type": "input",+ "description": "Cell voltage sense input for 3-series cell measurement, input range 0 to 5 V."+ },+ {+ "number": "6",+ "name": "VC2",+ "type": "input",+ "description": "Cell voltage sense input for 2-series cell measurement, input range 0 to 5 V."+ },+ {+ "number": "7",+ "name": "VC1",+ "type": "input",+ "description": "Cell voltage sense input for 1-series cell measurement, input range 0 to 5 V."+ },+ {+ "number": "8",+ "name": "VC0",+ "type": "input",+ "description": "Cell voltage sense input for lowest cell measurement, input range 0 to 3.6 V."+ },+ {+ "number": "9",+ "name": "VSS",+ "type": "power_in",+ "description": "Analog ground reference pin."+ },+ {+ "number": "10",+ "name": "SRP",+ "type": "input",+ "description": "Current sense input connected to battery-side of sense resistor, input range -0.2 to 0.8 V."+ },+ {+ "number": "11",+ "name": "SRN",+ "type": "input",+ "description": "Current sense input connected to pack-side of sense resistor, input range -0.2 to 0.8 V."+ },+ {+ "number": "12",+ "name": "DSG",+ "type": "output",+ "description": "DSG FET driver output with 0 to 16 V range and fast switching to control discharge FET."+ },+ {+ "number": "13",+ "name": "CHG",+ "type": "output",+ "description": "CHG FET driver output with -30 to 20 V absolute rating and body diode protection capability."+ },+ {+ "number": "14",+ "name": "LD",+ "type": "input",+ "description": "Load removal detection input from PACK- terminal, absolute range -30 to 20 V."+ },+ {+ "number": "15",+ "name": "LPWR",+ "type": "output",+ "description": "HIBERNATE mode communication pin output; connect to PRES of lower device in stack, output range -30 to 3.6 V."+ },+ {+ "number": "16",+ "name": "CBI",+ "type": "input",+ "description": "Cell balancing input; drive low to enable cell balancing or leave floating to disable, input range 0 to 3.6 V."+ },+ {+ "number": "17",+ "name": "OCDP",+ "type": "input",+ "description": "OCD1/2 fault detection delay programming input; connect external resistor to VSS (10-MΩ for upper devices), input range 0 to 3.6 V."+ },+ {+ "number": "18",+ "name": "TS",+ "type": "input",+ "description": "Thermistor measurement input for temperature protection using 103AT NTC thermistor, input range 0 to VTB."+ },+ {+ "number": "19",+ "name": "VTB",+ "type": "output",+ "description": "Thermistor bias output driving 10-kΩ pullup resistor to thermistor, output range 0 to 3 V."+ },+ {+ "number": "20",+ "name": "CCFG",+ "type": "input",+ "description": "Cell in-series configuration input for selecting 3-, 4-, or 5-series cell count, input range 0 to 3.6 V."+ },+ {+ "number": "21",+ "name": "CBO",+ "type": "output",+ "description": "Cell balancing output for stacked device connectivity; connect via 10-kΩ resistor to upper device CBI pin, output range 0 to VDD."+ },+ {+ "number": "22",+ "name": "PRES",+ "type": "input",+ "description": "HIBERNATE mode input; drive high (>1.5 V) for normal operation or leave floating for low-power hibernation, input range 0 to 36 V."+ },+ {+ "number": "23",+ "name": "CTRC",+ "type": "input",+ "description": "CHG FET driver override input for external control or upper device CHG cascade connection, input range 0 to VDD+5 V."+ },+ {+ "number": "24",+ "name": "CTRD",+ "type": "input",+ "description": "DSG FET driver override input for external control or upper device DSG cascade connection, input range 0 to VDD+5 V."+ }+ ],+ "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": [],+ "pages_sent": 56,+ "cost_usd": 0.5198,+ "at": "2026-09-27T08:40:32"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq77915",+ "pages": 56,+ "sha256": "0b1cab63aa1e53ef",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 24,+ "described": 24,+ "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]"+ }+}