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INA250A1QPWRQ1
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Texas Instruments Current Sense Amplifiers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# INA250A1QPWRQ1++**Texas Instruments** · Current Sense Amplifiers · TSSOP-16++INA250A1QPWRQ1 from Texas Instruments, in a TSSOP-16. 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 | IN- | input | Analog input that connects to the load side of the current path; datasheet lists IN- pins 1, 2 and 3 together as "Connect to load." |+| 2 | IN- | input | Analog input that connects to the load side of the current path; datasheet lists IN- pins 1, 2 and 3 together as "Connect to load." |+| 3 | IN- | input | Analog input that connects to the load side of the current path; datasheet lists IN- pins 1, 2 and 3 together as "Connect to load." |+| 4 | SH- | output | Kelvin connection to the internal shunt; connect to VIN- if no filtering is needed, and see Figure 7-4 for filter recommendations. |+| 5 | VIN- | power_in | Voltage input from the load side of the shunt resistor. |+| 6 | GND | power_in | Analog ground. |+| 7 | REF | input | Reference voltage input, which must be between 0 V and VS (up to 18 V). |+| 8 | GND | power_in | Analog ground. |+| 9 | OUT | output | Analog output carrying the output voltage. |+| 10 | VS | power_in | Device power supply, 2.7 V to 36 V. |+| 11 | GND | power_in | Analog ground. |+| 12 | VIN+ | power_in | Voltage input from the supply side of the shunt resistor. |+| 13 | SH+ | output | Kelvin connection to the internal shunt; connect to VIN+ if no filtering is needed, and see Figure 7-4 for filter recommendations. |+| 14 | IN+ | input | Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as "Connect to supply." |+| 15 | IN+ | input | Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as "Connect to supply." |+| 16 | IN+ | input | Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as "Connect to supply." |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Amplifiers/Comparators |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `INA250A1QPWRQ1`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `ina250a1qpwrq1-etched.step` / `ina250a1qpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina250a1qpwrq1.step` / `ina250a1qpwrq1.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/ina250-q1) (36 pp, sha256 `6b0b96729787fe24`, retrieved 2026-10-08, 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 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/ina250a1qpwrq1-datasheet.pdf)
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datasheet lists IN- pins 1, 2 and 3 together as \"Connect to load.\""+ },+ {+ "number": "2",+ "name": "IN-",+ "type": "input",+ "description": "Analog input that connects to the load side of the current path; datasheet lists IN- pins 1, 2 and 3 together as \"Connect to load.\""+ },+ {+ "number": "3",+ "name": "IN-",+ "type": "input",+ "description": "Analog input that connects to the load side of the current path; datasheet lists IN- pins 1, 2 and 3 together as \"Connect to load.\""+ },+ {+ "number": "4",+ "name": "SH-",+ "type": "output",+ "description": "Kelvin connection to the internal shunt; connect to VIN- if no filtering is needed, and see Figure 7-4 for filter recommendations."+ },+ {+ "number": "5",+ "name": "VIN-",+ "type": "power_in",+ "description": "Voltage input from the load side of the shunt resistor."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "7",+ "name": "REF",+ "type": "input",+ "description": "Reference voltage input, which must be between 0 V and VS (up to 18 V)."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "9",+ "name": "OUT",+ "type": "output",+ "description": "Analog output carrying the output voltage."+ },+ {+ "number": "10",+ "name": "VS",+ "type": "power_in",+ "description": "Device power supply, 2.7 V to 36 V."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "12",+ "name": "VIN+",+ "type": "power_in",+ "description": "Voltage input from the supply side of the shunt resistor."+ },+ {+ "number": "13",+ "name": "SH+",+ "type": "output",+ "description": "Kelvin connection to the internal shunt; connect to VIN+ if no filtering is needed, and see Figure 7-4 for filter recommendations."+ },+ {+ "number": "14",+ "name": "IN+",+ "type": "input",+ "description": "Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as \"Connect to supply.\""+ },+ {+ "number": "15",+ "name": "IN+",+ "type": "input",+ "description": "Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as \"Connect to supply.\""+ },+ {+ "number": "16",+ "name": "IN+",+ "type": "input",+ "description": "Analog input that connects to the supply side of the current path; datasheet lists IN+ pins 14, 15 and 16 together as \"Connect to supply.\""+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin table (Table 5-1, page 3) gives pin numbers for each name, and together they cover all 16 pins e; The datasheet labels SH+ and SH- as 'Analog output', but they are Kelvin sense taps on the internal ; Table 5-1 says IN- pins 1, 2, 3 and IN+ pins 14, 15, 16 are 'Analog input' with no per-pin distincti"+ ],+ "pages_sent": 7,+ "cost_usd": 0.0518,+ "at": "2026-10-08T15:12:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ina250-q1",+ "pages": 36,+ "sha256": "6b0b96729787fe24",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ina250a1qpwrq1.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ina250a1qpwrq1-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "45fc2a67c4e4c9063079155647795c43515a7e6827fdb0096893ecc874abff7b",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}