component
BQ40Z50RSMR-R1
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Texas Instruments Battery Management, VQFN-32-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+276−8@@ -1,13 +1,286 @@ {+ "schema_version": 1,+ "type": "component", "slug": "bq40z50rsmr-r1",+ "title": "BQ40Z50RSMR-R1",+ "brief": "Texas Instruments Battery Management, VQFN-32-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments Battery Management, VQFN-32-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "bq40z50rsmr-r1" ],+ "component": {+ "mpn": "BQ40Z50RSMR-R1",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-32-EP(4x4)",+ "pin_count": 33,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/lit/ds/symlink/bq40z50rsmr-r1.pdf",+ "parts": {+ "symbol": "bq40z50rsmr-r1.kicad_sym",+ "footprint": "bq40z50rsmr-r1.kicad_mod",+ "model_3d": "bq40z50rsmr-r1.glb",+ "model_3d_step": "bq40z50rsmr-r1.step",+ "lbr": "bq40z50rsmr-r1.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "PBI",+ "type": "power_in",+ "description": "Power supply backup input pin. Backup rail that maintains RAM/RTC context when primary supplies are lost."+ },+ {+ "number": "2",+ "name": "VC4",+ "type": "input",+ "description": "Sense voltage input for the most positive cell (Cell 4) and balance current input for that cell."+ },+ {+ "number": "3",+ "name": "VC3",+ "type": "input",+ "description": "Sense voltage input for second-most-positive cell (Cell 3), balance current input, and return path for Cell 4 balance current."+ },+ {+ "number": "4",+ "name": "VC2",+ "type": "input",+ "description": "Sense voltage input for third-most-positive cell (Cell 2), balance current input, and return path for Cell 3 balance current."+ },+ {+ "number": "5",+ "name": "VC1",+ "type": "input",+ "description": "Sense voltage input for the least positive cell (Cell 1), balance current input, and return path for Cell 2 balance current."+ },+ {+ "number": "6",+ "name": "SRN",+ "type": "input",+ "description": "Coulomb-counter negative sense input. Integrates the small voltage across the sense resistor between SRP and SRN."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected. Connect to VSS per the datasheet."+ },+ {+ "number": "8",+ "name": "SRP",+ "type": "input",+ "description": "Coulomb-counter positive sense input; top of the sense resistor. Integrates the small voltage between SRP and SRN."+ },+ {+ "number": "9",+ "name": "VSS",+ "type": "power_in",+ "description": "Device ground reference."+ },+ {+ "number": "10",+ "name": "TS1",+ "type": "input",+ "description": "Temperature sensor 1 thermistor input (NTC). Ratiometric input via internal 18 k\u03a9 pull-up to 1.8 V."+ },+ {+ "number": "11",+ "name": "TS2",+ "type": "input",+ "description": "Temperature sensor 2 thermistor input."+ },+ {+ "number": "12",+ "name": "TS3",+ "type": "input",+ "description": "Temperature sensor 3 thermistor input."+ },+ {+ "number": "13",+ "name": "TS4",+ "type": "input",+ "description": "Temperature sensor 4 thermistor input."+ },+ {+ "number": "14",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected."+ },+ {+ "number": "15",+ "name": "BTP_INT",+ "type": "output",+ "description": "Battery Trip Point interrupt output. Signals the host when configured state-of-charge thresholds are crossed."+ },+ {+ "number": "16",+ "name": "PRES/SHUTDN",+ "type": "input",+ "description": "Host-present input for removable packs, or emergency system-shutdown input for embedded packs. Function is firmware-configurable."+ },+ {+ "number": "17",+ "name": "DISP",+ "type": "input",+ "description": "Display control input for the LED state-of-charge indicator. Asserting this pin activates the LEDCNTLA/B/C outputs."+ },+ {+ "number": "18",+ "name": "SMBD",+ "type": "bidirectional",+ "description": "SMBus data line (open-drain). Compatible with SMBus v1.1; requires external pull-up."+ },+ {+ "number": "19",+ "name": "SMBC",+ "type": "bidirectional",+ "description": "SMBus clock line (open-drain). Compatible with SMBus v1.1; requires external pull-up."+ },+ {+ "number": "20",+ "name": "LEDCNTLA",+ "type": "output",+ "description": "LED display segment A output; drives external LEDs per firmware configuration (fuel gauge display)."+ },+ {+ "number": "21",+ "name": "LEDCNTLB",+ "type": "output",+ "description": "LED display segment B output; drives external LEDs per firmware configuration."+ },+ {+ "number": "22",+ "name": "LEDCNTLC",+ "type": "output",+ "description": "LED display segment C output; drives external LEDs per firmware configuration."+ },+ {+ "number": "23",+ "name": "PTC",+ "type": "input",+ "description": "Safety PTC thermistor input. Tie both PTC and PTCEN to VSS to disable the PTC safety detector."+ },+ {+ "number": "24",+ "name": "PTCEN",+ "type": "input",+ "description": "PTC enable input. Connect to BAT to enable PTC detection; tie both PTC and PTCEN to VSS to disable."+ },+ {+ "number": "25",+ "name": "FUSE",+ "type": "output",+ "description": "Fuse drive output. Drives an external chemical fuse to permanently disable the pack under 2nd-level safety events."+ },+ {+ "number": "26",+ "name": "VCC",+ "type": "power_in",+ "description": "Secondary power supply input (typically PACK-side sourced through a diode) for the internal LDO/regulators."+ },+ {+ "number": "27",+ "name": "PACK",+ "type": "input",+ "description": "Pack-side voltage sense input. Monitors PACK+ node for insertion/removal and pre-charge control."+ },+ {+ "number": "28",+ "name": "DSG",+ "type": "output",+ "description": "High-side N-channel discharge FET gate drive output. Charge-pumped above BAT to fully enhance the external DSG FET."+ },+ {+ "number": "29",+ "name": "NC",+ "type": "unconnected",+ "description": "Not internally connected."+ },+ {+ "number": "30",+ "name": "PCHG",+ "type": "output",+ "description": "P-channel pre-charge FET gate drive output."+ },+ {+ "number": "31",+ "name": "CHG",+ "type": "output",+ "description": "High-side N-channel charge FET gate drive output. Charge-pumped above BAT to fully enhance the external CHG FET."+ },+ {+ "number": "32",+ "name": "BAT",+ "type": "power_in",+ "description": "Primary power supply input pin, connected to the top of the cell stack."+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed thermal pad on the underside of the VQFN package. Solder to the PCB ground plane for thermal and mechanical performance."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/bq40z50rsmr-r1.pdf",+ "pages": 55,+ "sha256": "8fb42a3177aabd62",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "VQFN-32-EP(4x4)",+ "Category": "PMIC",+ "Pins": "33"+ }+ },+ "variants": [+ {+ "mpn": "BQ40Z50RSMR-R1",+ "kind": "packaging"+ },+ {+ "mpn": "BQ40Z50RSMR-R1RSMT",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "bq40z50rsmr-r1"+ ],+ "discovery_pitch": "BQ40Z50RSMR-R1 (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +298,5 @@ "docs/bq40z50rsmr-r1-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }