component
ONET1131ECRSMR
Public Made by Adomby adom
Texas Instruments Laser Drivers, VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+70@@ -0,0 +1,70 @@+# ONET1131ECRSMR++**Texas Instruments** · Laser Drivers · VQFN-32(4x4)++ONET1131ECRSMR from Texas Instruments, in a VQFN-32(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 | LOL | tri_state | Loss of lock indicator with open-drain output asserts high when transmitter CDR is out of lock; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant. |+| 2 | MONB | output | Bias current monitor analog output. |+| 3 | GND | power_in | Circuit ground supply connection. |+| 4 | DIN+ | input | Non-inverted transmitter data input with on-chip 100 Ω differential termination to DIN- and AC coupling requirement. |+| 5 | DIN- | input | Inverted transmitter data input with on-chip 100 Ω differential termination to DIN+ and AC coupling requirement. |+| 6 | GND | power_in | Circuit ground supply connection. |+| 7 | PD | input | Photodiode input capable of sourcing or sinking current dependent on register setting. |+| 8 | MONP | output | Photodiode current monitor analog output. |+| 9 | LF | passive | Transmitter loop filter capacitor connection. |+| 10 | BIAS | passive | Analog pin that sinks or sources bias current for the laser in both APC and open loop modes. |+| 11 | VCC | power_in | 2.5 V ± 5% supply voltage for analog circuitry. |+| 12 | OUT- | output | Inverted transmitter data output internally terminated in single-ended operation mode. |+| 13 | OUT+ | output | Non-inverted transmitter data output CML interface. |+| 14 | VCC | power_in | 2.5 V ± 5% supply voltage for analog circuitry. |+| 15 | VDD | power_in | 2.5 V ± 5% supply voltage for the digital circuitry. |+| 16 | AMP | input | Output amplitude control analog input accepting 0 to 2 V to adjust output amplitude; leave open when not used. |+| 17 | SDA | bidirectional | 2-wire interface serial data input/output requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant. |+| 18 | SCK | input | 2-wire interface serial clock input requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant. |+| 19 | GND | power_in | Circuit ground supply connection. |+| 20 | NC | unconnected | Do not connect. |+| 21 | NC | unconnected | Do not connect. |+| 22 | GND | power_in | Circuit ground supply connection. |+| 23 | COMP | passive | Compensation pin for APC loop bandwidth control; connect 0.01 µF capacitor to ground. |+| 24 | NC | unconnected | Do not connect. |+| 25 | NC | unconnected | Do not connect. |+| 26 | NC | unconnected | Do not connect. |+| 27 | VCC | power_in | 2.5 V ± 5% supply voltage for analog circuitry. |+| 28 | NC | unconnected | Do not connect. |+| 29 | NC | unconnected | Do not connect. |+| 30 | VCC | power_in | 2.5 V ± 5% supply voltage for analog circuitry. |+| 31 | FLT | tri_state | Transmitter fault detection flag with open-drain output asserts high when fault occurs; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant. |+| 32 | DIS | input | Bias current disable input with internal 250 kΩ pull-up and external 4.7 kΩ to 10 kΩ pull-up requirement; disables bias when high; toggle to reset fault condition; 3.3 V tolerant. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32(4x4) |+| Category | LED Drivers |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ONET1131ECRSMR`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm`+- 3D model: VQFN-32(4x4) (KiCad packages3D, STEP)+- 3D model files: `onet1131ecrsmr-etched.step` / `onet1131ecrsmr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `onet1131ecrsmr.step` / `onet1131ecrsmr.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/onet1131ec) (49 pp, sha256 `65452def5c526f68`, retrieved 2026-10-03, 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-4-5-20251001` (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/onet1131ecrsmr-datasheet.pdf)
page.jsonadded+310@@ -0,0 +1,310 @@+{+ "slug": "onet1131ecrsmr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Laser Drivers, VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "led drivers",+ "onet1131ecrsmr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "onet1131ecrsmr.kicad_sym",+ "onet1131ecrsmr.kicad_mod",+ "onet1131ecrsmr.glb",+ "onet1131ecrsmr.step",+ "onet1131ecrsmr.lbr",+ "docs/hero.png",+ "docs/onet1131ecrsmr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "onet1131ecrsmr-hero.glb",+ "onet1131ecrsmr-hero.overlay.json"+ ],+ "component": {+ "mpn": "ONET1131ECRSMR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-32(4x4)",+ "pin_count": 33,+ "category": "LED Drivers",+ "subcategory": "Laser Drivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/onet1131ec",+ "parts": {+ "symbol": "onet1131ecrsmr.kicad_sym",+ "footprint": "onet1131ecrsmr.kicad_mod",+ "model_3d": "onet1131ecrsmr-hero.glb",+ "model_3d_plain": "onet1131ecrsmr.glb",+ "model_3d_step": "onet1131ecrsmr-etched.step",+ "model_3d_step_plain": "onet1131ecrsmr.step",+ "lbr": "onet1131ecrsmr.lbr"+ },+ "distributor_links": {+ "lcsc": 2651273,+ "digikey": "296-51483-2-ND",+ "mouser": "595-ONET1131ECRSMR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T05:02:50Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-51483-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-ONET1131ECRSMR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "LOL",+ "type": "tri_state",+ "description": "Loss of lock indicator with open-drain output asserts high when transmitter CDR is out of lock; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."+ },+ {+ "number": "2",+ "name": "MONB",+ "type": "output",+ "description": "Bias current monitor analog output."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground supply connection."+ },+ {+ "number": "4",+ "name": "DIN+",+ "type": "input",+ "description": "Non-inverted transmitter data input with on-chip 100 Ω differential termination to DIN- and AC coupling requirement."+ },+ {+ "number": "5",+ "name": "DIN–",+ "type": "input",+ "description": "Inverted transmitter data input with on-chip 100 Ω differential termination to DIN+ and AC coupling requirement."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground supply connection."+ },+ {+ "number": "7",+ "name": "PD",+ "type": "input",+ "description": "Photodiode input capable of sourcing or sinking current dependent on register setting."+ },+ {+ "number": "8",+ "name": "MONP",+ "type": "output",+ "description": "Photodiode current monitor analog output."+ },+ {+ "number": "9",+ "name": "LF",+ "type": "passive",+ "description": "Transmitter loop filter capacitor connection."+ },+ {+ "number": "10",+ "name": "BIAS",+ "type": "passive",+ "description": "Analog pin that sinks or sources bias current for the laser in both APC and open loop modes."+ },+ {+ "number": "11",+ "name": "VCC",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for analog circuitry."+ },+ {+ "number": "12",+ "name": "OUT–",+ "type": "output",+ "description": "Inverted transmitter data output internally terminated in single-ended operation mode."+ },+ {+ "number": "13",+ "name": "OUT+",+ "type": "output",+ "description": "Non-inverted transmitter data output CML interface."+ },+ {+ "number": "14",+ "name": "VCC",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for analog circuitry."+ },+ {+ "number": "15",+ "name": "VDD",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the digital circuitry."+ },+ {+ "number": "16",+ "name": "AMP",+ "type": "input",+ "description": "Output amplitude control analog input accepting 0 to 2 V to adjust output amplitude; leave open when not used."+ },+ {+ "number": "17",+ "name": "SDA",+ "type": "bidirectional",+ "description": "2-wire interface serial data input/output requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."+ },+ {+ "number": "18",+ "name": "SCK",+ "type": "input",+ "description": "2-wire interface serial clock input requiring external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground supply connection."+ },+ {+ "number": "20",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "21",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "22",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground supply connection."+ },+ {+ "number": "23",+ "name": "COMP",+ "type": "passive",+ "description": "Compensation pin for APC loop bandwidth control; connect 0.01 µF capacitor to ground."+ },+ {+ "number": "24",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "25",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "26",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "27",+ "name": "VCC",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for analog circuitry."+ },+ {+ "number": "28",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "29",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "30",+ "name": "VCC",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for analog circuitry."+ },+ {+ "number": "31",+ "name": "FLT",+ "type": "tri_state",+ "description": "Transmitter fault detection flag with open-drain output asserts high when fault occurs; requires external 4.7 kΩ to 10 kΩ pull-up resistor to VCC; 3.3 V tolerant."+ },+ {+ "number": "32",+ "name": "DIS",+ "type": "input",+ "description": "Bias current disable input with internal 250 kΩ pull-up and external 4.7 kΩ to 10 kΩ pull-up requirement; disables bias when high; toggle to reset fault condition; 3.3 V tolerant."+ },+ {+ "number": "33",+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.1344,+ "at": "2026-10-03T05:02:27"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/onet1131ec",+ "pages": 49,+ "sha256": "65452def5c526f68",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}