component
INA253
Public Made by Adomby adom
TI current-sense amplifier with integrated precision shunt, TSSOP-20. -4 to 80 V, 15 A, bidirectional. Datasheet-verified.
← Commit history
ina253: datasheet-first component page (KiCad sym+mod+step+lbr, hero, viewers)
1 file changed
+195−8
page.json+195−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ina253",+ "title": "INA253",+ "brief": "TI current-sense amplifier with integrated precision shunt, TSSOP-20. -4 to 80 V, 15 A, bidirectional. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "TI current-sense amplifier with integrated precision shunt, TSSOP-20. -4 to 80 V, 15 A, bidirectional. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "amplifier",@@ -11,6 +14,195 @@ "tssop-20", "texas-instruments" ],+ "component": {+ "mpn": "INA253",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-20",+ "pin_count": 20,+ "category": "Amplifier",+ "subcategory": "Current-sense amplifier",+ "datasheet": "https://www.ti.com/lit/ds/symlink/ina253.pdf",+ "parts": {+ "symbol": "ina253.kicad_sym",+ "footprint": "ina253.kicad_mod",+ "model_3d": "ina253.glb",+ "model_3d_step": "ina253.step",+ "lbr": "ina253.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "IS-",+ "type": "passive",+ "description": "Load-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to load. Pins 1, 2, and 3 are internally tied together as one side of the shunt."+ },+ {+ "number": "2",+ "name": "IS-",+ "type": "passive",+ "description": "Load-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to load."+ },+ {+ "number": "3",+ "name": "IS-",+ "type": "passive",+ "description": "Load-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to load."+ },+ {+ "number": "4",+ "name": "SH-",+ "type": "output",+ "description": "Kelvin sense output from the load-side of the internal shunt resistor. Connect to IN- directly if no filtering is needed."+ },+ {+ "number": "5",+ "name": "IN-",+ "type": "input",+ "description": "Amplifier differential input from the load side of the shunt resistor. Common-mode range -4 V to +80 V."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference."+ },+ {+ "number": "7",+ "name": "DNC1",+ "type": "unconnected",+ "description": "Do Not Connect. Leave floating; do not tie to any potential."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ },+ {+ "number": "9",+ "name": "VS",+ "type": "power_in",+ "description": "Power supply input, 2.7 V to 5.5 V. Draws up to 2.4 mA quiescent current."+ },+ {+ "number": "10",+ "name": "REF2",+ "type": "input",+ "description": "Reference voltage 2 input, 0 V to VS. Sets the output reference along with REF1 for bidirectional current sensing."+ },+ {+ "number": "11",+ "name": "REF1",+ "type": "input",+ "description": "Reference voltage 1 input, 0 V to VS. Sets the output reference along with REF2 for bidirectional current sensing."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect."+ },+ {+ "number": "13",+ "name": "OUT",+ "type": "output",+ "description": "Analog output voltage proportional to sensed current times the gain (100/200/400 mV/A depending on A1/A2/A3 variant)."+ },+ {+ "number": "14",+ "name": "DNC2",+ "type": "unconnected",+ "description": "Do Not Connect. Leave floating; do not tie to any potential."+ },+ {+ "number": "15",+ "name": "NC",+ "type": "passive",+ "description": "Reserved; connect this pin to GND."+ },+ {+ "number": "16",+ "name": "IN+",+ "type": "input",+ "description": "Amplifier differential input from the supply side of the shunt resistor. Common-mode range -4 V to +80 V."+ },+ {+ "number": "17",+ "name": "SH+",+ "type": "output",+ "description": "Kelvin sense output from the supply-side of the internal shunt resistor. Connect to IN+ directly if no filtering is needed."+ },+ {+ "number": "18",+ "name": "IS+",+ "type": "passive",+ "description": "Supply-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to supply. Pins 18, 19, and 20 are internally tied together as one side of the shunt."+ },+ {+ "number": "19",+ "name": "IS+",+ "type": "passive",+ "description": "Supply-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to supply."+ },+ {+ "number": "20",+ "name": "IS+",+ "type": "passive",+ "description": "Supply-side terminal of the integrated 2-m\u03a9 shunt resistor. Connect to supply."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/ina253.pdf",+ "pages": 36,+ "sha256": "f316d2de54cc0924",+ "source_tier": "mfr"+ },+ "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": {+ "Type": "Current-sense amplifier with integrated shunt",+ "Shunt": "2 mOhm integrated",+ "Common-mode range": "-4 V to 80 V",+ "Continuous current": "15 A",+ "Direction": "Bidirectional (via REF)",+ "Gain": "Fixed (part option)",+ "Supply": "2.7-5.5 V",+ "Package": "TSSOP-20"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ina253",+ "integrated shunt current sensor",+ "current sense amp with resistor",+ "precision current measurement"+ ],+ "discovery_pitch": "TI INA253 current-sense amplifier with integrated shunt (TSSOP-20) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -28,10 +220,5 @@ "docs/ina253-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }