component
BQ7790509PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-20. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+194−8@@ -1,13 +1,204 @@ {+ "schema_version": 1,+ "type": "component", "slug": "bq7790509pwr",+ "title": "BQ7790509PWR",+ "brief": "Texas Instruments Battery Management, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments Battery Management, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "power management (pmic)", "bq7790509pwr" ],+ "component": {+ "mpn": "BQ7790509PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-20",+ "pin_count": 20,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq77905",+ "parts": {+ "symbol": "bq7790509pwr.kicad_sym",+ "footprint": "bq7790509pwr.kicad_mod",+ "model_3d": "bq7790509pwr.glb",+ "model_3d_step": "bq7790509pwr.step",+ "lbr": "bq7790509pwr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Supply voltage input. Powers the device from the top of the cell stack it monitors. Absolute max per-cell input rating is 36 V."+ },+ {+ "number": "2",+ "name": "AVDD",+ "type": "power_out",+ "description": "Analog supply regulator output. Connect only to a decoupling capacitor; do not load externally."+ },+ {+ "number": "3",+ "name": "VC5",+ "type": "input",+ "description": "Cell 5 voltage sense input. On the 4-cell BQ77904 variant this pin must be tied to pin 4 (VC4); on the BQ77905 it connects to the top of cell 5."+ },+ {+ "number": "4",+ "name": "VC4",+ "type": "input",+ "description": "Cell 4 voltage sense input. Connects to the top of cell 4 through a series input resistor."+ },+ {+ "number": "5",+ "name": "VC3",+ "type": "input",+ "description": "Cell 3 voltage sense input. Connects to the top of cell 3 through a series input resistor."+ },+ {+ "number": "6",+ "name": "VC2",+ "type": "input",+ "description": "Cell 2 voltage sense input. Connects to the top of cell 2 through a series input resistor."+ },+ {+ "number": "7",+ "name": "VC1",+ "type": "input",+ "description": "Cell 1 voltage sense input. Connects to the top of cell 1 through a series input resistor."+ },+ {+ "number": "8",+ "name": "AVSS",+ "type": "power_in",+ "description": "Analog ground reference for the internal analog circuitry."+ },+ {+ "number": "9",+ "name": "SRP",+ "type": "input",+ "description": "Current sense positive input. Connect to the battery side of the external sense resistor. Used to measure charge/discharge overcurrent and short-circuit conditions (thresholds in the -85 mV to +340 mV range depending on fault type)."+ },+ {+ "number": "10",+ "name": "SRN",+ "type": "input",+ "description": "Current sense negative input. Connect to the PACK- side of the external sense resistor. Reference for the current-sense comparators."+ },+ {+ "number": "11",+ "name": "DSG",+ "type": "output",+ "description": "Discharge FET gate driver output. Drives the gate of the external low-side NMOS discharge FET."+ },+ {+ "number": "12",+ "name": "CHGU",+ "type": "output",+ "description": "CHG FET signal for stacked configurations. Used on the upper device of a stack to feed its CHG signal to the CTRC pin of the device below."+ },+ {+ "number": "13",+ "name": "CHG",+ "type": "output",+ "description": "Charge FET gate driver output. Used on a single device or on the bottom device of a stack to drive the external low-side NMOS charge FET."+ },+ {+ "number": "14",+ "name": "LD",+ "type": "input",+ "description": "PACK- load removal detection input. Senses the PACK- node to determine when the load has been removed for fault recovery."+ },+ {+ "number": "15",+ "name": "TS",+ "type": "input",+ "description": "Thermistor temperature-sense input. Connect a 103AT NTC thermistor between TS and VSS; connect a 10-k\u03a9 bias resistor from VTB to TS. Tie a 10-k\u03a9 resistor from TS to AVSS if temperature protection is not used."+ },+ {+ "number": "16",+ "name": "VTB",+ "type": "output",+ "description": "Thermistor bias output. Provides the bias voltage for the external thermistor divider on the TS pin."+ },+ {+ "number": "17",+ "name": "CCFG",+ "type": "input",+ "description": "Cell in series configuration input. Sets the number of cells the device is configured to monitor."+ },+ {+ "number": "18",+ "name": "CTRC",+ "type": "input",+ "description": "CHG override input. In a stacked configuration, receives the CHGU signal from the device above to force the CHG driver state."+ },+ {+ "number": "19",+ "name": "CTRD",+ "type": "input",+ "description": "DSG override input. In a stacked configuration, receives the DSG signal from the device above to force the DSG driver state."+ },+ {+ "number": "20",+ "name": "DVSS",+ "type": "power_in",+ "description": "Digital ground reference for the internal digital circuitry."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq77905",+ "pages": 48,+ "sha256": "f04162b24e7e7c22",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 20,+ "described": 20,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "TSSOP-20",+ "Category": "Power Management (PMIC)",+ "Pins": "20"+ }+ },+ "variants": [+ {+ "mpn": "BQ7790509PWR",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "bq7790509pwr"+ ],+ "discovery_pitch": "BQ7790509PWR (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +216,5 @@ "docs/bq7790509pwr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }