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LMP90080QMH
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Texas Instruments Analog Front End (AFE), HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+66@@ -0,0 +1,66 @@+# LMP90080QMH++**Texas Instruments** · Analog Front End (AFE) · HTSSOP-28++LMP90080QMH from Texas Instruments, in a HTSSOP-28. 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 | VA | power_in | Analog power supply pin, specified at +4.75 V to 5.5 V in the Operating Ratings. |+| 2 | VIN0 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 3 | VIN1 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 4 | VIN2 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 5 | VIN3 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 6 | VIN4 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 7 | VIN5 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |+| 8 | VREFP1 | input | Positive reference input for the ADC; reference voltage operating range is +0.5 V to VA. |+| 9 | VREFN1 | input | Negative reference input for the ADC; reference voltage is referenced to GND and must keep VREF within +0.5 V to VA. |+| 10 | VIN6/VREFP2 | input | Analog input pin or, alternatively, the VREFP2 positive reference input. |+| 11 | VIN7/VREFN2 | input | Analog input pin or, alternatively, the VREFN2 negative reference input. |+| 12 | IB2 | output | Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps. |+| 13 | IB1 | output | Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps. |+| 14 | XOUT | output | External crystal oscillator connection output. |+| 15 | XIN/CLK | input | External crystal oscillator connection or external clock input. |+| 16 | GND | power_in | Power supply ground; all voltages are measured with respect to this pin. |+| 17 | CSB | input | Digital chip select input (active low, chip select bar). |+| 18 | SCLK | input | Digital serial clock input for the SPI interface. |+| 19 | SDI | input | Digital serial data input for the SPI interface. |+| 20 | SDO/DRDYB | output | Serial data output and data-ready bar; source/sink current is limited to 3 mA and output is referenced to VIO. |+| 21 | D0 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 22 | D1 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 23 | D2 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 24 | D3 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 25 | D4 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 26 | D5 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 27 | D6/DRDYB | bidirectional | General-purpose digital input/output pin or data-ready bar output, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |+| 28 | VIO | power_in | Digital input/output supply pin, specified at +2.7 V to 5.5 V in the Operating Ratings. |+| 29 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-28 |+| Category | Data Acquisition |+| Pins | 29 |++## CAD (KiCad official)++- Symbol: `LMP90080QMH`+- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`+- 3D model: HTSSOP-28 (KiCad packages3D, STEP)+- 3D model files: `lmp90080qmh-etched.step` / `lmp90080qmh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmp90080qmh.step` / `lmp90080qmh.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/lmp90080-q1) (66 pp, sha256 `89e5daae6bfad4a2`, 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/lmp90080qmh-datasheet.pdf)
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voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "3",+ "name": "VIN1",+ "type": "input",+ "description": "Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "4",+ "name": "VIN2",+ "type": "input",+ "description": "Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "5",+ "name": "VIN3",+ "type": "input",+ "description": "Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "6",+ "name": "VIN4",+ "type": "input",+ "description": "Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "7",+ "name": "VIN5",+ "type": "input",+ "description": "Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings."+ },+ {+ "number": "8",+ "name": "VREFP1",+ "type": "input",+ "description": "Positive reference input for the ADC; reference voltage operating range is +0.5 V to VA."+ },+ {+ "number": "9",+ "name": "VREFN1",+ "type": "input",+ "description": "Negative reference input for the ADC; reference voltage is referenced to GND and must keep VREF within +0.5 V to VA."+ },+ {+ "number": "10",+ "name": "VIN6/VREFP2",+ "type": "input",+ "description": "Analog input pin or, alternatively, the VREFP2 positive reference input."+ },+ {+ "number": "11",+ "name": "VIN7/VREFN2",+ "type": "input",+ "description": "Analog input pin or, alternatively, the VREFN2 negative reference input."+ },+ {+ "number": "12",+ "name": "IB2",+ "type": "output",+ "description": "Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps."+ },+ {+ "number": "13",+ "name": "IB1",+ "type": "output",+ "description": "Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps."+ },+ {+ "number": "14",+ "name": "XOUT",+ "type": "output",+ "description": "External crystal oscillator connection output."+ },+ {+ "number": "15",+ "name": "XIN/CLK",+ "type": "input",+ "description": "External crystal oscillator connection or external clock input."+ },+ {+ "number": "16",+ "name": "GND",+ "type": "power_in",+ "description": "Power supply ground; all voltages are measured with respect to this pin."+ },+ {+ "number": "17",+ "name": "CSB",+ "type": "input",+ "description": "Digital chip select input (active low, chip select bar)."+ },+ {+ "number": "18",+ "name": "SCLK",+ "type": "input",+ "description": "Digital serial clock input for the SPI interface."+ },+ {+ "number": "19",+ "name": "SDI",+ "type": "input",+ "description": "Digital serial data input for the SPI interface."+ },+ {+ "number": "20",+ "name": "SDO/DRDYB",+ "type": "output",+ "description": "Serial data output and data-ready bar; source/sink current is limited to 3 mA and output is referenced to VIO."+ },+ {+ "number": "21",+ "name": "D0",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "22",+ "name": "D1",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "23",+ "name": "D2",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "24",+ "name": "D3",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "25",+ "name": "D4",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "26",+ "name": "D5",+ "type": "bidirectional",+ "description": "General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "27",+ "name": "D6/DRDYB",+ "type": "bidirectional",+ "description": "General-purpose digital input/output pin or data-ready bar output, referenced to the VIO supply (VIO +2.7 V to 5.5 V)."+ },+ {+ "number": "28",+ "name": "VIO",+ "type": "power_in",+ "description": "Digital input/output supply pin, specified at +2.7 V to 5.5 V in the Operating Ratings."+ },+ {+ "number": "29",+ "name": "Thermal Pad",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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 exposed thermal pad is not a numbered pin. The datasheet says to leave the thermal pad floating,; Pin descriptions for pins 1-28 come from the Pin Descriptions table on page 4. The connection diagra; The 'Type' values use KiCad ERC classes inferred from the table's labels (Analog Input -> input, Ana",+ "exposed pad 29 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0622,+ "at": "2026-10-08T16:27:19"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmp90080-q1",+ "pages": 66,+ "sha256": "89e5daae6bfad4a2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 29,+ "described": 29,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lmp90080qmh.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.2,+ 9.7,+ 1.05+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lmp90080qmh-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.2,+ 9.7,+ 1.05+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7b75a640696be29e08c916fbb6b55447655829e47a7ef7c7a1eb7942a8ad3a2c",+ "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]"+ }+}