TPS51222RTVR

{
  "slug": "tps51222rtvr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps51222rtvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps51222rtvr.kicad_sym",
    "tps51222rtvr.kicad_mod",
    "tps51222rtvr.glb",
    "tps51222rtvr.step",
    "tps51222rtvr.lbr",
    "docs/hero.png",
    "docs/tps51222rtvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps51222rtvr-hero.glb",
    "tps51222rtvr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS51222RTVR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51222",
    "parts": {
      "symbol": "tps51222rtvr.kicad_sym",
      "footprint": "tps51222rtvr.kicad_mod",
      "model_3d": "tps51222rtvr-hero.glb",
      "model_3d_plain": "tps51222rtvr.glb",
      "model_3d_step": "tps51222rtvr-etched.step",
      "model_3d_step_plain": "tps51222rtvr.step",
      "lbr": "tps51222rtvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650310",
      "digikey": "296-24130-2-ND",
      "mouser": "595-TPS51222RTVR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:27:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24130-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51222RTVR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DRVH1",
        "type": "output",
        "description": "High-side MOSFET gate driver output for channel 1, rated source 1.7 Ω and sink 1.0 Ω, SW-node referenced floating driver whose drive voltage is VBST to SW."
      },
      {
        "number": "2",
        "name": "V5SW",
        "type": "input",
        "description": "Switchover supply input for VREG5; switchover is enabled when EN1 is high, PGOOD1 indicates good and V5SW is above 4.8 V, and VREG5 then sits approximately at the V5SW voltage."
      },
      {
        "number": "3",
        "name": "RF",
        "type": "bidirectional",
        "description": "Frequency setting pin: connect a frequency-setting resistor to signal GND, or connect an external clock for synchronization."
      },
      {
        "number": "4",
        "name": "EN1",
        "type": "input",
        "description": "Channel 1 and channel 2 SMPS enable pin: apply greater than 0.55 V and less than 6 V to turn on, connect to GND to disable, and attach the adjustable soft-start capacitance here."
      },
      {
        "number": "5",
        "name": "PGOOD1",
        "type": "output",
        "description": "Channel 1 powergood window comparator output; the recommended applied voltage is less than 6 V and the recommended pull-up resistance is 100 kΩ to 1 MΩ."
      },
      {
        "number": "6",
        "name": "SKIPSEL1",
        "type": "input",
        "description": "Skip mode selection: GND selects continuous conduction mode, VREF2 selects Auto Skip, VREG3 selects OOA Auto Skip with maximum 7 skips (suitable for fsw < 400 kHz), and VREG5 selects OOA Auto Skip with maximum 15 skips (suitable for fsw ≥ 400 kHz)."
      },
      {
        "number": "7",
        "name": "CSP1",
        "type": "bidirectional",
        "description": "Channel 1 current sense comparator non-inverting input; an RC network with a high-quality X5R or X7R ceramic capacitor extracts the DCR voltage drop, with 0.1 µF given as a good starting value."
      },
      {
        "number": "8",
        "name": "CSN1",
        "type": "input",
        "description": "Channel 1 current sense comparator inverting input; it also serves as the power supply for the current sense circuit at 5 V or higher output voltage settings and as the output discharge terminal."
      },
      {
        "number": "9",
        "name": "VFB1",
        "type": "input",
        "description": "Channel 1 SMPS voltage feedback input; connect the feedback resistor divider, referenced to signal GND."
      },
      {
        "number": "10",
        "name": "COMP1",
        "type": "input",
        "description": "Channel 1 error amplifier output for current mode loop compensation; connect R (and C if required) from this pin to VREF2."
      },
      {
        "number": "11",
        "name": "IMON1",
        "type": "output",
        "description": "Channel 1 current monitor output, with an RC filter recommended; the monitor output is 3.00 V typical at VCSP-VCSN = 60 mV (3.25 V max, 2.75 V min at 25°C)."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable pin for the VREF2 and VREG5 linear regulators: apply greater than 1.2 V and less than 6 V to turn on, and connect to GND to disable."
      },
      {
        "number": "13",
        "name": "VREF2",
        "type": "power_out",
        "description": "2-V reference output; bypass to signal GND with 0.22 µF of ceramic capacitance."
      },
      {
        "number": "14",
        "name": "IMON2",
        "type": "output",
        "description": "Channel 2 current monitor output, with an RC filter recommended."
      },
      {
        "number": "15",
        "name": "COMP2",
        "type": "input",
        "description": "Channel 2 error amplifier output for current mode loop compensation; connect R (and C if required) from this pin to VREF2."
      },
      {
        "number": "16",
        "name": "VFB2",
        "type": "input",
        "description": "Channel 2 SMPS voltage feedback input; connect the feedback resistor divider, referenced to signal GND."
      },
      {
        "number": "17",
        "name": "CSN2",
        "type": "input",
        "description": "Channel 2 current sense comparator inverting input; it also serves as the power supply for the current sense circuit at 5 V or higher output voltage settings and as the output discharge terminal."
      },
      {
        "number": "18",
        "name": "CSP2",
        "type": "bidirectional",
        "description": "Channel 2 current sense comparator non-inverting input; an RC network with a high-quality X5R or X7R ceramic capacitor extracts the DCR voltage drop, with 0.1 µF given as a good starting value."
      },
      {
        "number": "19",
        "name": "SKIPSEL2",
        "type": "input",
        "description": "Skip mode selection: GND selects continuous conduction mode, VREF2 selects Auto Skip, VREG3 selects OOA Auto Skip with maximum 7 skips (suitable for fsw < 400 kHz), and VREG5 selects OOA Auto Skip with maximum 15 skips (suitable for fsw ≥ 400 kHz)."
      },
      {
        "number": "20",
        "name": "PGOOD2",
        "type": "output",
        "description": "Channel 2 powergood window comparator output; the recommended applied voltage is less than 6 V and the recommended pull-up resistance is 100 kΩ to 1 MΩ."
      },
      {
        "number": "21",
        "name": "EN2",
        "type": "input",
        "description": "Channel 1 and channel 2 SMPS enable pin: apply greater than 0.55 V and less than 6 V to turn on, connect to GND to disable, and attach the adjustable soft-start capacitance here."
      },
      {
        "number": "22",
        "name": "VREG3",
        "type": "power_out",
        "description": "Always-alive 3.3 V, 10 mA low dropout linear regulator output; bypass to signal GND with more than 1 µF of ceramic capacitance, running from VIN or from VREG5 when switched over to V5SW."
      },
      {
        "number": "23",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input for the 5 V and 3.3 V linear regulators, typically connected to VBAT; recommended supply voltage range is 4.5 V to 32 V."
      },
      {
        "number": "24",
        "name": "DRVH2",
        "type": "output",
        "description": "High-side MOSFET gate driver output for channel 2, rated source 1.7 Ω and sink 1.0 Ω, SW-node referenced floating driver whose drive voltage is VBST to SW."
      },
      {
        "number": "25",
        "name": "SW2",
        "type": "bidirectional",
        "description": "High-side MOSFET gate driver return for channel 2 (switch node reference for DRVH2 and VBST2)."
      },
      {
        "number": "26",
        "name": "VBST2",
        "type": "input",
        "description": "Boot strap supply input for the channel 2 high-side N-channel driver; connect a capacitor of 0.1 µF or greater from this pin to SW2, with an optional Schottky diode from VREG5 to this pin."
      },
      {
        "number": "27",
        "name": "DRVL2",
        "type": "output",
        "description": "Channel 2 low-side MOSFET gate driver output, rated source 1.3 Ω and sink 0.7 Ω, GND referenced."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "29",
        "name": "VREG5",
        "type": "power_out",
        "description": "5 V, 100 mA low dropout linear regulator output, bypassed to power GND with a 10 µF ceramic capacitor; runs from VIN, shuts off with EN, and switches over to V5SW when 4.8 V or above is provided."
      },
      {
        "number": "30",
        "name": "DRVL1",
        "type": "output",
        "description": "Channel 1 low-side MOSFET gate driver output, rated source 1.3 Ω and sink 0.7 Ω, GND referenced."
      },
      {
        "number": "31",
        "name": "VBST1",
        "type": "input",
        "description": "Boot strap supply input for the channel 1 high-side N-channel driver; connect a capacitor of 0.1 µF or greater from this pin to SW1, with an optional Schottky diode from VREG5 to this pin."
      },
      {
        "number": "32",
        "name": "SW1",
        "type": "bidirectional",
        "description": "High-side MOSFET gate driver return for channel 1 (switch node reference for DRVH1 and VBST1)."
      },
      {
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-function table marks these pins as I/O; they are mapped to KiCad 'bidirectional'. The text d; The IMON1 description includes the current monitor electrical spec from the Electrical Characteristi; The 4.5 V to 32 V range is taken from the recommended operating conditions table (page 3), not from ",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0801,
        "at": "2026-10-11T07:26:56"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51222",
        "pages": 45,
        "sha256": "287579365d9552a4",
        "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"
    },
    "models_3d": [
      {
        "file": "tps51222rtvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps51222rtvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "b14fb0a44b12f178b2e46d734936b00225f8726953bd629fb659c703beeecabd",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}