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TPS2372-3RGWR
Public Made by Adomby adom
Texas Instruments Power Over Ethernet (PoE) Controllers, 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 @@+# TPS2372-3RGWR++**Texas Instruments** · Power Over Ethernet (PoE) Controllers · VQFN-20(5x5)++TPS2372-3RGWR 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 | VDD | power_in | Positive PoE input power rail connection; bypass to VSS with 0.1µF capacitor. |+| 2 | DEN | bidirectional | Detection and enable; connect 24.9kΩ resistor to VDD for PoE detection characteristic; pull to VSS during powered operation to disable hotswap MOSFET. |+| 3 | CLSA | output | First classification current output; connect external resistor to VSS to set classification current for IEEE 802.3bt class definition. |+| 4 | VSS | power_in | Negative power supply rail connection from PoE source. |+| 5 | VSS | power_in | Negative power supply rail connection from PoE source. |+| 6 | CLSB | output | Second classification current output; connect external resistor to VSS to set classification current for third and subsequent IEEE 802.3bt classes. |+| 7 | REF | output | Internal 1.5V voltage reference; connect 49.9kΩ ±1% resistor between REF and VSS. |+| 8 | AMPS_CTL | output | Automatic MPS control output; connect external resistor to VSS (rated for MPS current support) to set MPS pulse current amplitude; leave open to disable automatic MPS. |+| 9 | MPS_DUTY | input | MPS duty cycle selection input referenced to VSS, internally driven by precision current source (voltage limited to ~5.5V); external resistor to VSS determines duty cycle (5.4% open, 8.1% at ~60.4kΩ, or 12.5% shorted). |+| 10 | AUTCLS | input | Autoclass enable input referenced to VSS; internally pulled to 5.5V during classification; pull low to enable Autoclass during classification, otherwise leave open to minimize power consumption. |+| 11 | RTN | power_in | Drain of PoE hotswap MOSFET providing return path from load to controller; reference for RTN-based voltage measurements. |+| 12 | RTN | power_in | Drain of PoE hotswap MOSFET providing return path from load to controller; reference for RTN-based voltage measurements. |+| 13 | PG | tri_state | Power Good output, open-drain active-high referenced to RTN; pulled low during hotswap MOSFET inrush phase, high-impedance when inrush complete to enable downstream DC/DC converter startup. |+| 14 | NC | unconnected | No connection; leave unconnected. |+| 15 | NC | unconnected | No connection; leave unconnected. |+| 16 | IRSHDL_EN | input | PSE inrush delay enable input referenced to RTN, internally pulled to 5.5V internal rail; keep open to enable ~81.5ms inrush delay, connect to RTN to disable delay. |+| 17 | TPL | tri_state | PSE allocated power indicator output, binary-encoded open-drain low-level active referenced to RTN; indicates PSE power allocation class in combination with TPH and BT. |+| 18 | TPH | tri_state | PSE type indicator output, open-drain active-high referenced to RTN; indicates PSE type (1-2 or 3-4) and allocated power class in combination with TPL and BT. |+| 19 | BT | tri_state | IEEE 802.3bt PSE type indicator, open-drain low-level active output referenced to RTN; indicates PSE support for IEEE 802.3bt standard in combination with TPH and TPL. |+| 20 | NC | unconnected | No connection; keep open. |+| 21 | PAD | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-20(5x5) |+| Category | Power Management (PMIC) |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS2372-3RGWR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm`+- 3D model: VQFN-20(5x5) (KiCad packages3D, STEP)+- 3D model files: `tps2372-3rgwr-etched.step` / `tps2372-3rgwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps2372-3rgwr.step` / `tps2372-3rgwr.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/tps2372) (38 pp, sha256 `c83bfda2432136d5`, retrieved 2026-10-06, 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/tps2372-3rgwr-datasheet.pdf)
page.jsonadded+238@@ -0,0 +1,238 @@+{+ "slug": "tps2372-3rgwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Over Ethernet (PoE) Controllers, VQFN-20(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "tps2372-3rgwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tps2372-3rgwr.kicad_sym",+ "tps2372-3rgwr.kicad_mod",+ "tps2372-3rgwr.glb",+ "tps2372-3rgwr.step",+ "tps2372-3rgwr.lbr",+ "docs/hero.png",+ "docs/tps2372-3rgwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tps2372-3rgwr-hero.glb",+ "tps2372-3rgwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TPS2372-3RGWR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-20(5x5)",+ "pin_count": 21,+ "category": "Power Management (PMIC)",+ "subcategory": "Power Over Ethernet (PoE) Controllers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tps2372",+ "parts": {+ "symbol": "tps2372-3rgwr.kicad_sym",+ "footprint": "tps2372-3rgwr.kicad_mod",+ "model_3d": "tps2372-3rgwr-hero.glb",+ "model_3d_plain": "tps2372-3rgwr.glb",+ "model_3d_step": "tps2372-3rgwr-etched.step",+ "model_3d_step_plain": "tps2372-3rgwr.step",+ "lbr": "tps2372-3rgwr.lbr"+ },+ "distributor_links": {+ "lcsc": 2876734,+ "digikey": "296-51871-2-ND",+ "mouser": "595-TPS2372-3RGWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T02:24:44Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-51871-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TPS2372-3RGWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive PoE input power rail connection; bypass to VSS with 0.1µF capacitor."+ },+ {+ "number": "2",+ "name": "DEN",+ "type": "bidirectional",+ "description": "Detection and enable; connect 24.9kΩ resistor to VDD for PoE detection characteristic; pull to VSS during powered operation to disable hotswap MOSFET."+ },+ {+ "number": "3",+ "name": "CLSA",+ "type": "output",+ "description": "First classification current output; connect external resistor to VSS to set classification current for IEEE 802.3bt class definition."+ },+ {+ "number": "4",+ "name": "VSS",+ "type": "power_in",+ "description": "Negative power supply rail connection from PoE source."+ },+ {+ "number": "5",+ "name": "VSS",+ "type": "power_in",+ "description": "Negative power supply rail connection from PoE source."+ },+ {+ "number": "6",+ "name": "CLSB",+ "type": "output",+ "description": "Second classification current output; connect external resistor to VSS to set classification current for third and subsequent IEEE 802.3bt classes."+ },+ {+ "number": "7",+ "name": "REF",+ "type": "output",+ "description": "Internal 1.5V voltage reference; connect 49.9kΩ ±1% resistor between REF and VSS."+ },+ {+ "number": "8",+ "name": "AMPS_CTL",+ "type": "output",+ "description": "Automatic MPS control output; connect external resistor to VSS (rated for MPS current support) to set MPS pulse current amplitude; leave open to disable automatic MPS."+ },+ {+ "number": "9",+ "name": "MPS_DUTY",+ "type": "input",+ "description": "MPS duty cycle selection input referenced to VSS, internally driven by precision current source (voltage limited to ~5.5V); external resistor to VSS determines duty cycle (5.4% open, 8.1% at ~60.4kΩ, or 12.5% shorted)."+ },+ {+ "number": "10",+ "name": "AUTCLS",+ "type": "input",+ "description": "Autoclass enable input referenced to VSS; internally pulled to 5.5V during classification; pull low to enable Autoclass during classification, otherwise leave open to minimize power consumption."+ },+ {+ "number": "11",+ "name": "RTN",+ "type": "power_in",+ "description": "Drain of PoE hotswap MOSFET providing return path from load to controller; reference for RTN-based voltage measurements."+ },+ {+ "number": "12",+ "name": "RTN",+ "type": "power_in",+ "description": "Drain of PoE hotswap MOSFET providing return path from load to controller; reference for RTN-based voltage measurements."+ },+ {+ "number": "13",+ "name": "PG",+ "type": "tri_state",+ "description": "Power Good output, open-drain active-high referenced to RTN; pulled low during hotswap MOSFET inrush phase, high-impedance when inrush complete to enable downstream DC/DC converter startup."+ },+ {+ "number": "14",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; leave unconnected."+ },+ {+ "number": "15",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; leave unconnected."+ },+ {+ "number": "16",+ "name": "IRSHDL_EN",+ "type": "input",+ "description": "PSE inrush delay enable input referenced to RTN, internally pulled to 5.5V internal rail; keep open to enable ~81.5ms inrush delay, connect to RTN to disable delay."+ },+ {+ "number": "17",+ "name": "TPL",+ "type": "tri_state",+ "description": "PSE allocated power indicator output, binary-encoded open-drain low-level active referenced to RTN; indicates PSE power allocation class in combination with TPH and BT."+ },+ {+ "number": "18",+ "name": "TPH",+ "type": "tri_state",+ "description": "PSE type indicator output, open-drain active-high referenced to RTN; indicates PSE type (1-2 or 3-4) and allocated power class in combination with TPL and BT."+ },+ {+ "number": "19",+ "name": "BT",+ "type": "tri_state",+ "description": "IEEE 802.3bt PSE type indicator, open-drain low-level active output referenced to RTN; indicates PSE support for IEEE 802.3bt standard in combination with TPH and TPL."+ },+ {+ "number": "20",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; keep open."+ },+ {+ "number": "21",+ "name": "PAD",+ "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 21 added from the footprint"+ ],+ "pages_sent": 32,+ "cost_usd": 0.267,+ "at": "2026-10-06T02:24:30"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps2372",+ "pages": 38,+ "sha256": "c83bfda2432136d5",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}