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TMCS1107A4BQDRQ1
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Texas Instruments Current Sensors, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# TMCS1107A4BQDRQ1++**Texas Instruments** · Current Sensors · SOIC-8++TMCS1107A4BQDRQ1 from Texas Instruments, in a SOIC-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 | IN+ | input | Positive input current pin of the isolated primary conductor (tied internally to pin 2); current flowing into IN+ is treated as positive, and the IN+ to IN- voltage relative to GND is rated at -420 V to 420 VPK. |+| 2 | IN+ | input | Second positive input current pin, internally connected to pin 1, carrying the input current through the 1.8 mΩ lead-frame conductor; the input voltage relative to GND is rated at -420 V to 420 VPK. |+| 3 | IN- | input | Negative input current pin of the isolated primary conductor (tied internally to pin 4); the return path for the measured current, with the input voltage relative to GND rated at -420 V to 420 VPK. |+| 4 | IN- | input | Second negative input current pin, internally connected to pin 3; it should be paired with IN+ using merged copper input leads as recommended in the layout guidance. |+| 5 | GND | power_in | Ground reference for the low-voltage (sensor and output) side of the device; all input voltage ratings and the VOUT swing are referenced to this pin. |+| 6 | NC | unconnected | No internal connection; the pin can tolerate capacitive or resistive connection to GND or VS (shorting to GND is recommended where acceptable), and its absolute maximum voltage range is GND - 0.3 V to VS + 0.3 V. |+| 7 | VOUT | output | Analog voltage output proportional to the input current; the output swing is limited to about 0.1 V to 0.02 V from the supply rail and 5 mV to 10 mV above GND into a 10 kΩ load, and it can drive at most 1 nF capacitive load without sustained oscillation. |+| 8 | VS | power_in | Low-voltage analog supply pin; for the TMCS1107A4B-Q1 the operating supply range is 4.5 V to 5.5 V (absolute maximum GND - 0.3 V to 6 V), with a 0.1 µF low-ESR decoupling capacitor recommended close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Magnetic Sensors |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `TMCS1107A4BQDRQ1`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `tmcs1107a4bqdrq1-etched.step` / `tmcs1107a4bqdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tmcs1107a4bqdrq1.step` / `tmcs1107a4bqdrq1.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/tmcs1107-q1) (44 pp, sha256 `7f52fb186d147cc2`, 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/tmcs1107a4bqdrq1-datasheet.pdf)
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current flowing into IN+ is treated as positive, and the IN+ to IN- voltage relative to GND is rated at -420 V to 420 VPK."+ },+ {+ "number": "2",+ "name": "IN+",+ "type": "input",+ "description": "Second positive input current pin, internally connected to pin 1, carrying the input current through the 1.8 mΩ lead-frame conductor; the input voltage relative to GND is rated at -420 V to 420 VPK."+ },+ {+ "number": "3",+ "name": "IN–",+ "type": "input",+ "description": "Negative input current pin of the isolated primary conductor (tied internally to pin 4); the return path for the measured current, with the input voltage relative to GND rated at -420 V to 420 VPK."+ },+ {+ "number": "4",+ "name": "IN–",+ "type": "input",+ "description": "Second negative input current pin, internally connected to pin 3; it should be paired with IN+ using merged copper input leads as recommended in the layout guidance."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the low-voltage (sensor and output) side of the device; all input voltage ratings and the VOUT swing are referenced to this pin."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection; the pin can tolerate capacitive or resistive connection to GND or VS (shorting to GND is recommended where acceptable), and its absolute maximum voltage range is GND - 0.3 V to VS + 0.3 V."+ },+ {+ "number": "7",+ "name": "VOUT",+ "type": "output",+ "description": "Analog voltage output proportional to the input current; the output swing is limited to about 0.1 V to 0.02 V from the supply rail and 5 mV to 10 mV above GND into a 10 kΩ load, and it can drive at most 1 nF capacitive load without sustained oscillation."+ },+ {+ "number": "8",+ "name": "VS",+ "type": "power_in",+ "description": "Low-voltage analog supply pin; for the TMCS1107A4B-Q1 the operating supply range is 4.5 V to 5.5 V (absolute maximum GND - 0.3 V to 6 V), with a 0.1 µF low-ESR decoupling capacitor recommended close to the pin."+ }+ ],+ "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 pin table (page 3) and absolute maximum ratings (page 4) define pin 6 as NC (no connection), but; Operating supply range for the A4 variant is 4.5 V to 5.5 V (page 4), narrower than the 3 V to 5.5 V; Datasheet provided is the Chinese translation (ZHCSN96) of SBOSA71; the English version is authorita"+ ],+ "pages_sent": 25,+ "cost_usd": 0.121,+ "at": "2026-10-08T18:09:24"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tmcs1107-q1",+ "pages": 44,+ "sha256": "7f52fb186d147cc2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tmcs1107a4bqdrq1.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tmcs1107a4bqdrq1-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "aea3e34458eb3b72c6ae2e37e4f52b48f9b53a5db9446bd82358921413a9549a",+ "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]"+ }+}