component
TPS61187RTJR
Public Made by Adomby adom
Texas Instruments LED Drivers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+58@@ -0,0 +1,58 @@+# TPS61187RTJR++**Texas Instruments** · LED Drivers · QFN-20-EP(4x4)++TPS61187RTJR from Texas Instruments, in a QFN-20-EP(4x4). 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 | VDDIO | power_out | Internal pre-regulator output; connect a 1.0 µF ceramic capacitor to VDDIO, which is specified at 3.0 V to 3.6 V (3.3 V typical) at 5 mA load. |+| 2 | EN | input | Enable input with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum, with an internal pull-down of 400 kΩ to 1600 kΩ. |+| 3 | FSLCT | input | Switching frequency selection pin; a resistor on this pin sets the switching frequency between 300 kHz and 1.0 MHz. |+| 4 | ISET | input | Full-scale LED current set pin; a resistor connected to this pin programs the LED current level (ISET voltage 1.229 V typical). |+| 5 | FPO | output | Fault protection output that indicates fault conditions including OVP, OC, and OT; logic-low voltage is 0.4 V maximum at 0.5 mA source current. |+| 6 | IFB1 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 7 | IFB2 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 8 | IFB3 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 9 | GND | power_in | Analog ground of the device. |+| 10 | IFB4 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 11 | IFB5 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 12 | IFB6 | input | Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum. |+| 13 | RFPWM/MODE | input | Dimming frequency program pin set by an external resistor, and mode selection pin; see the Application Information section for details. |+| 14 | OVC | input | Over-voltage clamp pin and voltage feedback pin; see the Application Information section for details. |+| 15 | PGND | power_in | Power ground of the device. |+| 16 | SW | output | Drain connection of the internal power FET; absolute maximum rating is -0.3 V to 40 V. |+| 17 | NC | unconnected | No connection. |+| 18 | FAULT | output | Fault pin used to drive an external isolation FET; voltage range is -0.3 V to 24 V absolute maximum. |+| 19 | VIN | power_in | Supply input pin; operating input voltage range is 4.5 V to 24 V. |+| 20 | PWM | input | PWM signal input for dimming, with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-20-EP(4x4) |+| Category | LED Drivers |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS61187RTJR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: QFN-20-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `tps61187rtjr-etched.step` / `tps61187rtjr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps61187rtjr.step` / `tps61187rtjr.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/tps61187) (29 pp, sha256 `66cb4f8defa22d56`, 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/tps61187rtjr-datasheet.pdf)
page.jsonadded+279@@ -0,0 +1,279 @@+{+ "slug": "tps61187rtjr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments LED Drivers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "led drivers",+ "tps61187rtjr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps61187rtjr.kicad_sym",+ "tps61187rtjr.kicad_mod",+ "tps61187rtjr.glb",+ "tps61187rtjr.step",+ "tps61187rtjr.lbr",+ "docs/hero.png",+ "docs/tps61187rtjr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps61187rtjr-hero.glb",+ "tps61187rtjr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS61187RTJR",+ "manufacturer": "Texas Instruments",+ "package": "QFN-20-EP(4x4)",+ "pin_count": 21,+ "category": "LED Drivers",+ "subcategory": "LED Drivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps61187",+ "parts": {+ "symbol": "tps61187rtjr.kicad_sym",+ "footprint": "tps61187rtjr.kicad_mod",+ "model_3d": "tps61187rtjr-hero.glb",+ "model_3d_plain": "tps61187rtjr.glb",+ "model_3d_step": "tps61187rtjr-etched.step",+ "model_3d_step_plain": "tps61187rtjr.step",+ "lbr": "tps61187rtjr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2865124",+ "digikey": "296-36817-2-ND",+ "mouser": "595-TPS61187RTJR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:15:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-36817-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS61187RTJR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDDIO",+ "type": "power_out",+ "description": "Internal pre-regulator output; connect a 1.0 µF ceramic capacitor to VDDIO, which is specified at 3.0 V to 3.6 V (3.3 V typical) at 5 mA load."+ },+ {+ "number": "2",+ "name": "EN",+ "type": "input",+ "description": "Enable input with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum, with an internal pull-down of 400 kΩ to 1600 kΩ."+ },+ {+ "number": "3",+ "name": "FSLCT",+ "type": "input",+ "description": "Switching frequency selection pin; a resistor on this pin sets the switching frequency between 300 kHz and 1.0 MHz."+ },+ {+ "number": "4",+ "name": "ISET",+ "type": "input",+ "description": "Full-scale LED current set pin; a resistor connected to this pin programs the LED current level (ISET voltage 1.229 V typical)."+ },+ {+ "number": "5",+ "name": "FPO",+ "type": "output",+ "description": "Fault protection output that indicates fault conditions including OVP, OC, and OT; logic-low voltage is 0.4 V maximum at 0.5 mA source current."+ },+ {+ "number": "6",+ "name": "IFB1",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "7",+ "name": "IFB2",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "8",+ "name": "IFB3",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground of the device."+ },+ {+ "number": "10",+ "name": "IFB4",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "11",+ "name": "IFB5",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "12",+ "name": "IFB6",+ "type": "input",+ "description": "Regulated LED current sink input; each of the six current sinks is rated 30 mA maximum."+ },+ {+ "number": "13",+ "name": "RFPWM/MODE",+ "type": "input",+ "description": "Dimming frequency program pin set by an external resistor, and mode selection pin; see the Application Information section for details."+ },+ {+ "number": "14",+ "name": "OVC",+ "type": "input",+ "description": "Over-voltage clamp pin and voltage feedback pin; see the Application Information section for details."+ },+ {+ "number": "15",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground of the device."+ },+ {+ "number": "16",+ "name": "SW",+ "type": "output",+ "description": "Drain connection of the internal power FET; absolute maximum rating is -0.3 V to 40 V."+ },+ {+ "number": "17",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "18",+ "name": "FAULT",+ "type": "output",+ "description": "Fault pin used to drive an external isolation FET; voltage range is -0.3 V to 24 V absolute maximum."+ },+ {+ "number": "19",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input pin; operating input voltage range is 4.5 V to 24 V."+ },+ {+ "number": "20",+ "name": "PWM",+ "type": "input",+ "description": "PWM signal input for dimming, with logic-high threshold of 2.1 V minimum and logic-low threshold of 0.8 V maximum."+ },+ {+ "number": "21",+ "name": "EP",+ "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 (PowerPAD) of the RTJ QFN is not given a pin number or connection descriptio; Pin-to-channel mapping for IFB1 to IFB6 is taken from the pin table listing 'IFB1 to IFB6 6,7,8,10,1; Pin 13 (RFPWM/MODE) and pin 14 (OVC) have dual functions described only as 'see Application Informat",+ "exposed pad 21 added from the footprint"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0726,+ "at": "2026-10-08T20:14:45"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps61187",+ "pages": 29,+ "sha256": "66cb4f8defa22d56",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 21,+ "described": 21,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tps61187rtjr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tps61187rtjr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3e4a4168302af5e88d6ca0a845a515ad8cd723bbf0bdb4816ae80b1d0bcaf3a9",+ "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]"+ }+}