component
INA303A3QPWRQ1
Public Made by Adomby adom
Texas Instruments Current Sense Amplifiers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"manufacturer": "Texas Instruments",
"package": "TSSOP-14",
"pin_count": 14,
"category": "Amplifiers/Comparators",
"subcategory": "Current Sense Amplifiers",
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"digikey": "296-53538-2-ND",
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"pins": [
{
"number": "1",
"name": "VS",
"type": "power_in",
"description": "Analog power supply with a recommended operating range of 2.7 V to 5.5 V (5 V nominal), and an absolute maximum of 6 V."
},
{
"number": "2",
"name": "OUT",
"type": "output",
"description": "Analog output that carries the output voltage; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "3",
"name": "LIMIT1",
"type": "input",
"description": "Analog threshold limit input for ALERT1, set with external resistors as described in the Setting Alert Thresholds section; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "4",
"name": "REF",
"type": "input",
"description": "Analog reference voltage input that must be between 0 V and VS; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Analog ground reference for the device."
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{
"number": "6",
"name": "LATCH1",
"type": "input",
"description": "Digital input selecting transparent or latch mode for ALERT1; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "7",
"name": "LATCH2",
"type": "input",
"description": "Digital input selecting transparent or latch mode for ALERT2; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "9",
"name": "LIMIT2",
"type": "input",
"description": "Analog threshold limit input for ALERT2, set as described in the Setting Alert Thresholds section; absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "10",
"name": "DELAY",
"type": "input",
"description": "Analog delay timing input that sets the delayed alert response for comparator 2 (2 µs to 10 s per the datasheet); absolute limits are GND - 0.3 V to (VS) + 0.3 V."
},
{
"number": "11",
"name": "ALERT2",
"type": "output",
"description": "Open-drain, active-low alert output that is an underlimit alert for the INA303-Q1 (window comparator); absolute maximum is GND - 0.3 V to 6 V."
},
{
"number": "12",
"name": "ALERT1",
"type": "output",
"description": "Open-drain, active-low overlimit alert output; absolute maximum is GND - 0.3 V to 6 V."
},
{
"number": "13",
"name": "IN-",
"type": "input",
"description": "Connect to the load side of the current-sensing resistor; recommended common-mode range is -0.1 V to 36 V and the absolute common-mode limit is GND - 0.3 V to 40 V."
},
{
"number": "14",
"name": "IN+",
"type": "input",
"description": "Connect to the supply side of the current-sensing resistor; recommended common-mode range is -0.1 V to 36 V and the absolute common-mode limit is GND - 0.3 V to 40 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"extractor flagged: The pinout is taken from the shared INA302-Q1/INA303-Q1 PW (TSSOP-14) pin table. The package addendu; Pin type mapping: the datasheet calls the ALERT outputs open-drain. The KiCad type set has no open-d; The ALERT2 function depends on the device: an overlimit alert on INA302-Q1 and an underlimit alert o"
],
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"at": "2026-10-11T07:15:47"
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"pages": 40,
"sha256": "9d26f5e6ff86755e",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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