component
STLD1TR
Public Made by Adomby adom
STMicroelectronics Buffers, Drivers, Receivers, Transceivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+61@@ -0,0 +1,61 @@+# STLD1TR++**STMicroelectronics** · Buffers, Drivers, Receivers, Transceivers · QFN-24-EP(4x4)++STLD1TR from STMicroelectronics, in a QFN-24-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 | PGND | power_in | Power amplifier ground; must be connected to PGND for the power amplifier return current. |+| 2 | PA2_OUT | output | Power amplifier 2 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_2 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential. |+| 3 | PA2_OUT | output | Power amplifier 2 output (second pin of the PA2_OUT pair, shared in the datasheet pin table with pin 2); same Hi-Z and output limits apply. |+| 4 | PA1_OUT | output | Power amplifier 1 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_1 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential. |+| 5 | PA1_OUT | output | Power amplifier 1 output (second pin of the PA1_OUT pair, shared in the datasheet pin table with pin 4); same Hi-Z and output limits apply. |+| 6 | PGND | power_in | Power amplifier ground; must be connected to PGND for the power amplifier return current. |+| 7 | PVCC | power_in | 8-18 V power amplifier supply input. |+| 8 | VCC | power_in | 8-18 V analog supply input for the 5 V internal regulator and analog circuitry; must be externally shorted to PVCC. |+| 9 | AGND | power_in | Analog ground; must be externally shorted to PGND. |+| 10 | CSF_OUT | output | Power amplifier current feedback output, proportional to the line driver output current and converted to voltage by an external resistor. |+| 11 | AVDD_5V | power_out | 5 V internal regulator output; requires a bypass capacitor of at least 10 µF to AGND. |+| 12 | RSV0 | passive | Reserved; connect to AGND. |+| 13 | PA1_INN | input | Power amplifier 1 negative input. |+| 14 | PA1_INP | input | Power amplifier 1 positive input. |+| 15 | PA2_INP | input | Power amplifier 2 positive input. |+| 16 | PA2_INN | input | Power amplifier 2 negative input. |+| 17 | RSV1 | unconnected | Reserved; leave floating. |+| 18 | RSV2 | passive | Reserved; connect to AGND. |+| 19 | RSV3 | passive | Reserved; connect to AGND. |+| 20 | THERM | output | Thermal feedback current output, equal to 0 to 4 times IBIAS_IN current depending on junction temperature level. |+| 21 | IBIAS_IN | input | Reference current input (typically 16 or 32 µA) that sets the bias and the thermal feedback current scale. |+| 22 | TX_ON_2 | input | Enable for power amplifier 2 (active high); forcing it low sets PA2_OUT to Hi-Z (approx. 30 kΩ). |+| 23 | TX_ON_1 | input | Enable for power amplifier 1 (active high); forcing it low sets PA1_OUT to Hi-Z (approx. 30 kΩ). |+| 24 | PVCC | power_in | Power amplifier supply input, 8-18 V. |+| 25 | Exposed pad | power_in | Must be connected to an AGND ground plane on the PCB. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | QFN-24-EP(4x4) |+| Category | Logic |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `STLD1TR`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `stld1tr-etched.step` / `stld1tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stld1tr.step` / `stld1tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915991652798464) (13 pp, sha256 `ecbb0aba385320bb`, retrieved 2026-10-08, tier: lcsc)+- **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/stld1tr-datasheet.pdf)
page.jsonadded+302@@ -0,0 +1,302 @@+{+ "slug": "stld1tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Buffers, Drivers, Receivers, Transceivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "stld1tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stld1tr.kicad_sym",+ "stld1tr.kicad_mod",+ "stld1tr.glb",+ "stld1tr.step",+ "stld1tr.lbr",+ "docs/hero.png",+ "docs/stld1tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "stld1tr-hero.glb",+ "stld1tr-hero.overlay.json"+ ],+ "component": {+ "mpn": "STLD1TR",+ "manufacturer": "STMicroelectronics",+ "package": "QFN-24-EP(4x4)",+ "pin_count": 25,+ "category": "Logic",+ "subcategory": "Buffers, Drivers, Receivers, Transceivers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915991652798464",+ "parts": {+ "symbol": "stld1tr.kicad_sym",+ "footprint": "stld1tr.kicad_mod",+ "model_3d": "stld1tr-hero.glb",+ "model_3d_plain": "stld1tr.glb",+ "model_3d_step": "stld1tr-etched.step",+ "model_3d_step_plain": "stld1tr.step",+ "lbr": "stld1tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C503096",+ "digikey": "497-18224-2-ND",+ "mouser": "511-STLD1TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T01:59:18Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-18224-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-STLD1TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PGND",+ "type": "power_in",+ "description": "Power amplifier ground; must be connected to PGND for the power amplifier return current."+ },+ {+ "number": "2",+ "name": "PA2_OUT",+ "type": "output",+ "description": "Power amplifier 2 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_2 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential."+ },+ {+ "number": "3",+ "name": "PA2_OUT",+ "type": "output",+ "description": "Power amplifier 2 output (second pin of the PA2_OUT pair, shared in the datasheet pin table with pin 2); same Hi-Z and output limits apply."+ },+ {+ "number": "4",+ "name": "PA1_OUT",+ "type": "output",+ "description": "Power amplifier 1 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_1 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential."+ },+ {+ "number": "5",+ "name": "PA1_OUT",+ "type": "output",+ "description": "Power amplifier 1 output (second pin of the PA1_OUT pair, shared in the datasheet pin table with pin 4); same Hi-Z and output limits apply."+ },+ {+ "number": "6",+ "name": "PGND",+ "type": "power_in",+ "description": "Power amplifier ground; must be connected to PGND for the power amplifier return current."+ },+ {+ "number": "7",+ "name": "PVCC",+ "type": "power_in",+ "description": "8-18 V power amplifier supply input."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "8-18 V analog supply input for the 5 V internal regulator and analog circuitry; must be externally shorted to PVCC."+ },+ {+ "number": "9",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground; must be externally shorted to PGND."+ },+ {+ "number": "10",+ "name": "CSF_OUT",+ "type": "output",+ "description": "Power amplifier current feedback output, proportional to the line driver output current and converted to voltage by an external resistor."+ },+ {+ "number": "11",+ "name": "AVDD_5V",+ "type": "power_out",+ "description": "5 V internal regulator output; requires a bypass capacitor of at least 10 µF to AGND."+ },+ {+ "number": "12",+ "name": "RSV0",+ "type": "passive",+ "description": "Reserved; connect to AGND."+ },+ {+ "number": "13",+ "name": "PA1_INN",+ "type": "input",+ "description": "Power amplifier 1 negative input."+ },+ {+ "number": "14",+ "name": "PA1_INP",+ "type": "input",+ "description": "Power amplifier 1 positive input."+ },+ {+ "number": "15",+ "name": "PA2_INP",+ "type": "input",+ "description": "Power amplifier 2 positive input."+ },+ {+ "number": "16",+ "name": "PA2_INN",+ "type": "input",+ "description": "Power amplifier 2 negative input."+ },+ {+ "number": "17",+ "name": "RSV1",+ "type": "unconnected",+ "description": "Reserved; leave floating."+ },+ {+ "number": "18",+ "name": "RSV2",+ "type": "passive",+ "description": "Reserved; connect to AGND."+ },+ {+ "number": "19",+ "name": "RSV3",+ "type": "passive",+ "description": "Reserved; connect to AGND."+ },+ {+ "number": "20",+ "name": "THERM",+ "type": "output",+ "description": "Thermal feedback current output, equal to 0 to 4 times IBIAS_IN current depending on junction temperature level."+ },+ {+ "number": "21",+ "name": "IBIAS_IN",+ "type": "input",+ "description": "Reference current input (typically 16 or 32 µA) that sets the bias and the thermal feedback current scale."+ },+ {+ "number": "22",+ "name": "TX_ON_2",+ "type": "input",+ "description": "Enable for power amplifier 2 (active high); forcing it low sets PA2_OUT to Hi-Z (approx. 30 kΩ)."+ },+ {+ "number": "23",+ "name": "TX_ON_1",+ "type": "input",+ "description": "Enable for power amplifier 1 (active high); forcing it low sets PA1_OUT to Hi-Z (approx. 30 kΩ)."+ },+ {+ "number": "24",+ "name": "PVCC",+ "type": "power_in",+ "description": "Power amplifier supply input, 8-18 V."+ },+ {+ "number": "25",+ "name": "Exposed pad",+ "type": "power_in",+ "description": "Must be connected to an AGND ground plane on the PCB."+ }+ ],+ "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 datasheet pin table (Table 1) prints no name for pins 3 and 5; they are shown as part of the mer; Exposed pad is listed in Table 1 without a name; named as the exposed pad per the datasheet and type; Reserved pins are typed passive because the datasheet says connect to AGND; pin 17 (RSV1) is typed u"+ ],+ "pages_sent": 13,+ "cost_usd": 0.0618,+ "at": "2026-10-08T01:58:59"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915991652798464",+ "pages": 13,+ "sha256": "ecbb0aba385320bb",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stld1tr.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": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stld1tr-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": "68d2a4d505840237884e6632bdc5115753dd7ee1da3fa51f651a5712b4e6079c",+ "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]"+ }+}