TPS54317RHFR

{
  "slug": "tps54317rhfr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps54317rhfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tps54317rhfr.kicad_sym",
    "tps54317rhfr.kicad_mod",
    "tps54317rhfr.glb",
    "tps54317rhfr.step",
    "tps54317rhfr.lbr",
    "docs/hero.png",
    "docs/tps54317rhfr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54317rhfr-hero.glb",
    "tps54317rhfr-hero.overlay.json"
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  "component": {
    "mpn": "TPS54317RHFR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x5)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54317",
    "parts": {
      "symbol": "tps54317rhfr.kicad_sym",
      "footprint": "tps54317rhfr.kicad_mod",
      "model_3d": "tps54317rhfr-hero.glb",
      "model_3d_plain": "tps54317rhfr.glb",
      "model_3d_step": "tps54317rhfr-etched.step",
      "model_3d_step_plain": "tps54317rhfr.step",
      "lbr": "tps54317rhfr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072236",
      "digikey": "296-50096-2-ND",
      "mouser": "595-TPS54317RHFR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:37:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-50096-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54317RHFR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output; connect the compensation network from COMP to VSENSE, with absolute maximum -0.3 to 7 V and 6 mA sink current."
      },
      {
        "number": "2",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power good output that is high when VSENSE is at or above 90% of Vref and low otherwise, and also low when SS/ENA is low or thermal shutdown is active; absolute maximum -0.3 to 7 V and 10 mA sink current."
      },
      {
        "number": "3",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap input; connect a 0.022 µF to 0.1 µF low-ESR capacitor from BOOT to PH to generate the floating high-side driver supply, with absolute maximum -0.3 to 17 V."
      },
      {
        "number": "4",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "5",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "6",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "7",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "9",
        "name": "PH",
        "type": "bidirectional",
        "description": "Phase input/output at the junction of the internal high- and low-side power MOSFETs and the output inductor; steady-state limit -0.6 to 10 V and transient (<20 ns) limit -2 to 10 V."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "14",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground and high-current return for the low-side driver and power MOSFET; connect with large copper areas to the input and output supply returns and capacitor negative terminals."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator, recommended 3 to 6 V with absolute maximum -0.3 to 7 V; bypass to PGND with a low-ESR 1 µF to 10 µF ceramic capacitor."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator, recommended 3 to 6 V with absolute maximum -0.3 to 7 V; bypass to PGND with a low-ESR 1 µF to 10 µF ceramic capacitor."
      },
      {
        "number": "17",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for the power MOSFET switches and internal bias regulator, recommended 3 to 6 V with absolute maximum -0.3 to 7 V; bypass to PGND with a low-ESR 1 µF to 10 µF ceramic capacitor."
      },
      {
        "number": "18",
        "name": "VBIAS",
        "type": "power_out",
        "description": "Internal bias regulator output supplying internal circuitry; bypass to AGND with a low-ESR 0.1 µF to 1.0 µF ceramic capacitor, with absolute maximum -0.3 to 7 V and 6 mA limit."
      },
      {
        "number": "19",
        "name": "SS/ENA",
        "type": "bidirectional",
        "description": "Slow-start and enable pin: logic enable input (threshold 0.82 to 1.4 V, typical 1.2 V) and slow-start capacitor input that sets start-up time, with absolute maximum -0.3 to 7 V and 10 mA sink current."
      },
      {
        "number": "20",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronization input to lock to an external oscillator or select between two internally set switching frequencies; when synchronizing externally, a resistor must be connected to RT; absolute maximum -0.3 to 7 V."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "22",
        "name": "RT",
        "type": "input",
        "description": "Frequency-setting resistor input; connect a resistor from RT to AGND to set the switching frequency from 280 kHz to 1.6 MHz, with absolute maximum -0.3 to 6 V."
      },
      {
        "number": "23",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground and return for the compensation network, output divider, slow-start capacitor, VBIAS capacitor, RT resistor and SYNC pin; connect directly to the AGND trace."
      },
      {
        "number": "24",
        "name": "VSNS",
        "type": "input",
        "description": "Error amplifier inverting input (VSENSE); absolute maximum -0.3 to 4 V."
      },
      {
        "number": "25",
        "name": "AGND",
        "type": "power_in",
        "description": "Exposed thermal pad (pin 25) that must be connected to AGND for ground and heat dissipation; use 0.013 inch diameter vias from the pad to the analog ground plane."
      }
    ],
    "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 terminal table lists AGND on pins 23 and 25, while the pin-assignment figure labels pin 25 as th; The datasheet lists pins 10 and 21 as NC, not connected internally. Recorded as unconnected.; The MPN TPS54317RHFR is the 3000-piece reel of the RHF 24-pin QFN with PowerPAD. The datasheet gives"
        ],
        "pages_sent": 11,
        "cost_usd": 0.09,
        "at": "2026-10-08T22:36:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54317",
        "pages": 21,
        "sha256": "e397d8e9ee178832",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54317rhfr-etched.step",
        "role": "eda",
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}