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TRSF3223EIRGWR
Public Made by Adomby adom
Texas Instruments RS232 ICs, VQFN-20(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+58@@ -0,0 +1,58 @@+# TRSF3223EIRGWR++**Texas Instruments** · RS232 ICs · VQFN-20(5x5)++TRSF3223EIRGWR from Texas Instruments, in a VQFN-20(5x5). 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 | C1+ | passive | Positive terminal of charge-pump capacitor C1. |+| 2 | C1- | passive | Negative terminal of charge-pump capacitor C1. |+| 3 | C2+ | passive | Positive terminal of charge-pump capacitor C2. |+| 4 | C2- | passive | Negative terminal of charge-pump capacitor C2. |+| 5 | V- | power_out | Negative charge-pump output supply, bypassed with a capacitor; absolute maximum is -7 V. |+| 6 | DOUT2 | output | RS-232 driver 2 output, ±15 kV HBM ESD protected, with output swing of at least ±5 V into 3 kΩ. |+| 7 | RIN2 | input | RS-232 receiver 2 input, ±25 V input range, ±15 kV HBM ESD protected, with 3 kΩ to 5 kΩ input resistance. |+| 8 | ROUT2 | output | Logic-level receiver 2 output, high-impedance when EN is high. |+| 9 | INVALID | output | Valid-signal output that is high when any receiver input is beyond ±2.7 V and low when all receiver inputs stay within ±0.3 V for more than 30 µs. |+| 10 | DIN2 | input | Logic input for driver 2, accepting up to 5.5 V. |+| 11 | DIN1 | input | Logic input for driver 1, accepting up to 5.5 V. |+| 12 | FORCEON | input | Logic input that, when high with FORCEOFF high, disables auto-powerdown; low enables auto-powerdown when FORCEOFF is high. |+| 13 | ROUT1 | output | Logic-level receiver 1 output, high-impedance when EN is high. |+| 14 | RIN1 | input | RS-232 receiver 1 input, ±25 V input range, ±15 kV HBM ESD protected, with 3 kΩ to 5 kΩ input resistance. |+| 15 | DOUT1 | output | RS-232 driver 1 output, ±15 kV HBM ESD protected, with output swing of at least ±5 V into 3 kΩ. |+| 16 | GND | power_in | Ground; ±15 kV HBM ESD protected relative to the RS-232 pins. |+| 17 | VCC | power_in | Supply voltage of 3 V to 5.5 V, with 3.3 V ±0.3 V or 5 V ±0.5 V operating ranges; absolute maximum 6 V. |+| 18 | FORCEOFF | input | Active-low logic input that powers off drivers and charge pump when low, reducing supply current to about 1 µA. |+| 19 | EN | input | Active-low receiver enable input that places the receiver outputs in high impedance when high. |+| 20 | V+ | power_out | Positive charge-pump output supply, bypassed with a capacitor; absolute maximum is 7 V. |+| 21 | EP | passive | Exposed thermal pad that must be soldered to the PCB for optimal thermal and mechanical performance; the datasheet does not state its electrical connection. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-20(5x5) |+| Category | Interface |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TRSF3223EIRGWR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm`+- 3D model: VQFN-20(5x5) (KiCad packages3D, STEP)+- 3D model files: `trsf3223eirgwr-etched.step` / `trsf3223eirgwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `trsf3223eirgwr.step` / `trsf3223eirgwr.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/trsf3223e) (31 pp, sha256 `12937657b0efb4a1`, 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-sonnet-5-5` (text+vision), consensus `claude-opus-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/trsf3223eirgwr-datasheet.pdf)
page.jsonadded+279@@ -0,0 +1,279 @@+{+ "slug": "trsf3223eirgwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments RS232 ICs, VQFN-20(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "trsf3223eirgwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "trsf3223eirgwr.kicad_sym",+ "trsf3223eirgwr.kicad_mod",+ "trsf3223eirgwr.glb",+ "trsf3223eirgwr.step",+ "trsf3223eirgwr.lbr",+ "docs/hero.png",+ "docs/trsf3223eirgwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "trsf3223eirgwr-hero.glb",+ "trsf3223eirgwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TRSF3223EIRGWR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-20(5x5)",+ "pin_count": 21,+ "category": "Interface",+ "subcategory": "RS232 ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/trsf3223e",+ "parts": {+ "symbol": "trsf3223eirgwr.kicad_sym",+ "footprint": "trsf3223eirgwr.kicad_mod",+ "model_3d": "trsf3223eirgwr-hero.glb",+ "model_3d_plain": "trsf3223eirgwr.glb",+ "model_3d_step": "trsf3223eirgwr-etched.step",+ "model_3d_step_plain": "trsf3223eirgwr.step",+ "lbr": "trsf3223eirgwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864231",+ "digikey": "296-29655-2-ND",+ "mouser": "595-TRSF3223EIRGWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T02:42:34Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-29655-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TRSF3223EIRGWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "C1+",+ "type": "passive",+ "description": "Positive terminal of charge-pump capacitor C1."+ },+ {+ "number": "2",+ "name": "C1-",+ "type": "passive",+ "description": "Negative terminal of charge-pump capacitor C1."+ },+ {+ "number": "3",+ "name": "C2+",+ "type": "passive",+ "description": "Positive terminal of charge-pump capacitor C2."+ },+ {+ "number": "4",+ "name": "C2-",+ "type": "passive",+ "description": "Negative terminal of charge-pump capacitor C2."+ },+ {+ "number": "5",+ "name": "V-",+ "type": "power_out",+ "description": "Negative charge-pump output supply, bypassed with a capacitor; absolute maximum is -7 V."+ },+ {+ "number": "6",+ "name": "DOUT2",+ "type": "output",+ "description": "RS-232 driver 2 output, ±15 kV HBM ESD protected, with output swing of at least ±5 V into 3 kΩ."+ },+ {+ "number": "7",+ "name": "RIN2",+ "type": "input",+ "description": "RS-232 receiver 2 input, ±25 V input range, ±15 kV HBM ESD protected, with 3 kΩ to 5 kΩ input resistance."+ },+ {+ "number": "8",+ "name": "ROUT2",+ "type": "output",+ "description": "Logic-level receiver 2 output, high-impedance when EN is high."+ },+ {+ "number": "9",+ "name": "INVALID",+ "type": "output",+ "description": "Valid-signal output that is high when any receiver input is beyond ±2.7 V and low when all receiver inputs stay within ±0.3 V for more than 30 µs."+ },+ {+ "number": "10",+ "name": "DIN2",+ "type": "input",+ "description": "Logic input for driver 2, accepting up to 5.5 V."+ },+ {+ "number": "11",+ "name": "DIN1",+ "type": "input",+ "description": "Logic input for driver 1, accepting up to 5.5 V."+ },+ {+ "number": "12",+ "name": "FORCEON",+ "type": "input",+ "description": "Logic input that, when high with FORCEOFF high, disables auto-powerdown; low enables auto-powerdown when FORCEOFF is high."+ },+ {+ "number": "13",+ "name": "ROUT1",+ "type": "output",+ "description": "Logic-level receiver 1 output, high-impedance when EN is high."+ },+ {+ "number": "14",+ "name": "RIN1",+ "type": "input",+ "description": "RS-232 receiver 1 input, ±25 V input range, ±15 kV HBM ESD protected, with 3 kΩ to 5 kΩ input resistance."+ },+ {+ "number": "15",+ "name": "DOUT1",+ "type": "output",+ "description": "RS-232 driver 1 output, ±15 kV HBM ESD protected, with output swing of at least ±5 V into 3 kΩ."+ },+ {+ "number": "16",+ "name": "GND",+ "type": "power_in",+ "description": "Ground; ±15 kV HBM ESD protected relative to the RS-232 pins."+ },+ {+ "number": "17",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage of 3 V to 5.5 V, with 3.3 V ±0.3 V or 5 V ±0.5 V operating ranges; absolute maximum 6 V."+ },+ {+ "number": "18",+ "name": "FORCEOFF",+ "type": "input",+ "description": "Active-low logic input that powers off drivers and charge pump when low, reducing supply current to about 1 µA."+ },+ {+ "number": "19",+ "name": "EN",+ "type": "input",+ "description": "Active-low receiver enable input that places the receiver outputs in high impedance when high."+ },+ {+ "number": "20",+ "name": "V+",+ "type": "power_out",+ "description": "Positive charge-pump output supply, bypassed with a capacitor; absolute maximum is 7 V."+ },+ {+ "number": "21",+ "name": "EP",+ "type": "passive",+ "description": "Exposed thermal pad that must be soldered to the PCB for optimal thermal and mechanical performance; the datasheet does not state its electrical connection."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The exposed thermal pad (pin 21) appears only in the package drawing. The datasheet gives no electri; The V+ and V- charge-pump pins are classed as power_out from their function. The datasheet does not ",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 31,+ "cost_usd": 0.4201,+ "at": "2026-10-08T02:42:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/trsf3223e",+ "pages": 31,+ "sha256": "12937657b0efb4a1",+ "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": "trsf3223eirgwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9466f19e7a94c1920e0c82ac10746517bca0b846bd3c01a7053914bd9856799f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "trsf3223eirgwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b6e099fcc217c9c58f004c881ee543cdc2f6516110360edee4d459ed11f1a884",+ "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]"+ }+}