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INA199A2RSWT
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Texas Instruments Current Sense Amplifiers, UQFN-10(1.4x1.8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+47@@ -0,0 +1,47 @@+# INA199A2RSWT++**Texas Instruments** · Current Sense Amplifiers · UQFN-10(1.4x1.8)++INA199A2RSWT from Texas Instruments, in a UQFN-10(1.4x1.8). 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 | NC | unconnected | No internal connection; the pin may be left floating or connected to any voltage between GND and V+. |+| 2 | IN+ | input | Analog input connected to the supply side of the shunt resistor; both IN+ pins (2 and 3) must be connected together, and the absolute maximum input current is 5 mA per pin. |+| 3 | IN+ | input | Analog input connected to the supply side of the shunt resistor; must be connected together with pin 2, and the absolute maximum input current is 5 mA per pin. |+| 4 | IN- | input | Analog input connected to the load side of the shunt resistor; both IN- pins (4 and 5) must be connected together, with common-mode range -0.3 V to 26 V for the INA199Ax version. |+| 5 | IN- | input | Analog input connected to the load side of the shunt resistor; must be connected together with pin 4, with common-mode range -0.3 V to 26 V for the INA199Ax version. |+| 6 | V+ | power_in | Analog supply pin, specified for 2.7 V to 26 V with an absolute maximum supply of 26 V. |+| 7 | NC | unconnected | No internal connection; the pin may be left floating or connected to any voltage between GND and V+. |+| 8 | REF | input | Reference voltage input that must be set between 0 V and V+, and must be buffered by an op amp if driven from a resistor divider. |+| 9 | GND | power_in | Analog ground reference for the device. |+| 10 | OUT | output | Analog voltage output whose swing is limited by the V+ supply and GND, with absolute limits of GND - 0.3 V to (V+) + 0.3 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | UQFN-10(1.4x1.8) |+| Category | Amplifiers/Comparators |+| Pins | 10 |++## CAD (KiCad official)++- Symbol: `INA199A2RSWT`+- Footprint: `Package_DFN_QFN:UQFN-10_1.4x1.8mm_P0.4mm`+- 3D model: UQFN-10(1.4x1.8) (KiCad packages3D, STEP)+- 3D model files: `ina199a2rswt-etched.step` / `ina199a2rswt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina199a2rswt.step` / `ina199a2rswt.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/ina199) (43 pp, sha256 `f48fb5be37c0cf43`, retrieved 2026-10-07, 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/ina199a2rswt-datasheet.pdf)
page.jsonadded+213@@ -0,0 +1,213 @@+{+ "slug": "ina199a2rswt",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Current Sense Amplifiers, UQFN-10(1.4x1.8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "ina199a2rswt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ina199a2rswt.kicad_sym",+ "ina199a2rswt.kicad_mod",+ "ina199a2rswt.glb",+ "ina199a2rswt.step",+ "ina199a2rswt.lbr",+ "docs/hero.png",+ "docs/ina199a2rswt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ina199a2rswt-hero.glb",+ "ina199a2rswt-hero.overlay.json"+ ],+ "component": {+ "mpn": "INA199A2RSWT",+ "manufacturer": "Texas Instruments",+ "package": "UQFN-10(1.4x1.8)",+ "pin_count": 10,+ "category": "Amplifiers/Comparators",+ "subcategory": "Current Sense Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ina199",+ "parts": {+ "symbol": "ina199a2rswt.kicad_sym",+ "footprint": "ina199a2rswt.kicad_mod",+ "model_3d": "ina199a2rswt-hero.glb",+ "model_3d_plain": "ina199a2rswt.glb",+ "model_3d_step": "ina199a2rswt-etched.step",+ "model_3d_step_plain": "ina199a2rswt.step",+ "lbr": "ina199a2rswt.lbr"+ },+ "distributor_links": {+ "lcsc": "C1880270",+ "digikey": "296-INA199A2RSWTTR-ND",+ "mouser": "595-INA199A2RSWT"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T23:51:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-INA199A2RSWTTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-INA199A2RSWT",+ "status": "found",+ "lifecycle": "End of Life"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; the pin may be left floating or connected to any voltage between GND and V+."+ },+ {+ "number": "2",+ "name": "IN+",+ "type": "input",+ "description": "Analog input connected to the supply side of the shunt resistor; both IN+ pins (2 and 3) must be connected together, and the absolute maximum input current is 5 mA per pin."+ },+ {+ "number": "3",+ "name": "IN+",+ "type": "input",+ "description": "Analog input connected to the supply side of the shunt resistor; must be connected together with pin 2, and the absolute maximum input current is 5 mA per pin."+ },+ {+ "number": "4",+ "name": "IN-",+ "type": "input",+ "description": "Analog input connected to the load side of the shunt resistor; both IN- pins (4 and 5) must be connected together, with common-mode range -0.3 V to 26 V for the INA199Ax version."+ },+ {+ "number": "5",+ "name": "IN-",+ "type": "input",+ "description": "Analog input connected to the load side of the shunt resistor; must be connected together with pin 4, with common-mode range -0.3 V to 26 V for the INA199Ax version."+ },+ {+ "number": "6",+ "name": "V+",+ "type": "power_in",+ "description": "Analog supply pin, specified for 2.7 V to 26 V with an absolute maximum supply of 26 V."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; the pin may be left floating or connected to any voltage between GND and V+."+ },+ {+ "number": "8",+ "name": "REF",+ "type": "input",+ "description": "Reference voltage input that must be set between 0 V and V+, and must be buffered by an op amp if driven from a resistor divider."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground reference for the device."+ },+ {+ "number": "10",+ "name": "OUT",+ "type": "output",+ "description": "Analog voltage output whose swing is limited by the V+ supply and GND, with absolute limits of GND - 0.3 V to (V+) + 0.3 V."+ }+ ],+ "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: The part INA199A2RSWT is listed as Obsolete (Call TI) in the package addendum on page 26. The pinout; The pin-to-number mapping comes from Table 5-1 (UQFN column) on page 3. The figure 5-2 text in the e; Pins 1 and 7 are NC and pins 2/3 and 4/5 are duplicated per input. The datasheet (section 7.3.1) sta"+ ],+ "pages_sent": 25,+ "cost_usd": 0.1279,+ "at": "2026-10-07T23:51:15"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ina199",+ "pages": 43,+ "sha256": "f48fb5be37c0cf43",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 10,+ "described": 10,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ina199a2rswt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 1.4,+ 1.8,+ 0.57+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "18e8e52c79f660f6db601c893a3ba62a564efea84c0c6dd95908b6b785ca7f2d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ina199a2rswt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 1.4,+ 1.8,+ 0.57+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d0cddba7fa0218b3d8ec797489fd2ebffd6f7faf9e7c473b58af7d239f9612ad",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}