TPS40422RHAR

{
  "slug": "tps40422rhar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps40422rhar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps40422rhar.kicad_sym",
    "tps40422rhar.kicad_mod",
    "tps40422rhar.glb",
    "tps40422rhar.step",
    "tps40422rhar.lbr",
    "docs/hero.png",
    "docs/tps40422rhar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps40422rhar-hero.glb",
    "tps40422rhar-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS40422RHAR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps40422",
    "parts": {
      "symbol": "tps40422rhar.kicad_sym",
      "footprint": "tps40422rhar.kicad_mod",
      "model_3d": "tps40422rhar-hero.glb",
      "model_3d_plain": "tps40422rhar.glb",
      "model_3d_step": "tps40422rhar-etched.step",
      "model_3d_step_plain": "tps40422rhar.step",
      "lbr": "tps40422rhar.lbr"
    },
    "distributor_links": {
      "lcsc": "C702246",
      "digikey": "296-TPS40422RHARTR-ND",
      "mouser": "595-TPS40422RHAR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:21:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS40422RHARTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS40422RHAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RT",
        "type": "input",
        "description": "Frequency programming pin; connect a resistor from RT to AGND to set the oscillator frequency."
      },
      {
        "number": "2",
        "name": "FB1",
        "type": "input",
        "description": "Inverting input of the CH1 error amplifier; connect a voltage divider between DIFFO1 and AGND to program the CH1 output voltage."
      },
      {
        "number": "3",
        "name": "COMP1",
        "type": "output",
        "description": "Output of the CH1 error amplifier and connection node for loop feedback components."
      },
      {
        "number": "4",
        "name": "CNTL1",
        "type": "input",
        "description": "Logic-level input controlling CH1 startup and shutdown as set by PMBus options; when floating it is pulled up to BP6 by an internal 6-µA current source."
      },
      {
        "number": "5",
        "name": "CNTL2",
        "type": "input",
        "description": "Logic-level input controlling CH2 startup and shutdown as set by PMBus options; when floating it is pulled up to BP6 by an internal 6-µA current source."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Low-noise ground connection to the controller; power-level currents should not flow through the AGND path."
      },
      {
        "number": "7",
        "name": "COMP2",
        "type": "output",
        "description": "Output of the CH2 error amplifier and loop feedback connection; for two-phase operation, connect COMP2 to COMP1."
      },
      {
        "number": "8",
        "name": "FB2",
        "type": "input",
        "description": "Inverting input of the CH2 error amplifier; connect a voltage divider between VOUT2 and GND to program the CH2 output, or connect to BP6 for two-phase operation."
      },
      {
        "number": "9",
        "name": "ADDR1",
        "type": "input",
        "description": "High-order PMBus address pin; one of eight resistor values from this pin to AGND selects the high-order octal digit of the address."
      },
      {
        "number": "10",
        "name": "ADDR0",
        "type": "input",
        "description": "Low-order PMBus address pin; one of eight resistor values from this pin to AGND selects the low-order octal digit of the address."
      },
      {
        "number": "11",
        "name": "DATA",
        "type": "bidirectional",
        "description": "Data input/output for the PMBus interface; pull up to 3.3 V with a resistor."
      },
      {
        "number": "12",
        "name": "CLK",
        "type": "input",
        "description": "Clock input for the PMBus interface; pull up to 3.3 V with a resistor."
      },
      {
        "number": "13",
        "name": "SMBALRT",
        "type": "output",
        "description": "Alert output for the PMBus interface; pull up to 3.3 V with a resistor."
      },
      {
        "number": "14",
        "name": "GSNS2",
        "type": "input",
        "description": "Negative terminal of the CH2 differential remote sense amplifier."
      },
      {
        "number": "15",
        "name": "VSNS2",
        "type": "input",
        "description": "Positive terminal of the CH2 differential remote sense amplifier."
      },
      {
        "number": "16",
        "name": "TSNS2",
        "type": "input",
        "description": "External temperature sense input for CH2."
      },
      {
        "number": "17",
        "name": "CS2N",
        "type": "input",
        "description": "Negative terminal of the CH2 current sense amplifier."
      },
      {
        "number": "18",
        "name": "CS2P",
        "type": "input",
        "description": "Positive terminal of the CH2 current sense amplifier."
      },
      {
        "number": "19",
        "name": "PG2",
        "type": "output",
        "description": "Open-drain power-good indicator for the CH2 output voltage."
      },
      {
        "number": "20",
        "name": "BOOT2",
        "type": "input",
        "description": "Bootstrapped supply for the CH2 high-side FET driver; connect a 100 nF (typical) capacitor from BOOT2 to SW2."
      },
      {
        "number": "21",
        "name": "HDRV2",
        "type": "output",
        "description": "Bootstrapped gate drive output for the CH2 high-side N-channel MOSFET."
      },
      {
        "number": "22",
        "name": "SW2",
        "type": "input",
        "description": "Return of the CH2 high-side gate driver; connect to the CH2 switched node."
      },
      {
        "number": "23",
        "name": "LDRV2",
        "type": "output",
        "description": "Gate drive output for the CH2 low-side synchronous rectifier N-channel MOSFET."
      },
      {
        "number": "24",
        "name": "BPEXT",
        "type": "input",
        "description": "External voltage input for BP6 switchover; if unused, connect to PGND via a 10-kΩ resistor, otherwise use a 100-nF or larger capacitor to PGND (maximum suggested 10 µF)."
      },
      {
        "number": "25",
        "name": "BP6",
        "type": "power_out",
        "description": "Output bypass for the internal 6.5-V regulator; connect a low-ESR 1 µF or larger ceramic capacitor to PGND (maximum suggested 10 µF)."
      },
      {
        "number": "26",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "27",
        "name": "LDRV1",
        "type": "output",
        "description": "Gate drive output for the CH1 low-side synchronous rectifier N-channel MOSFET."
      },
      {
        "number": "28",
        "name": "SW1",
        "type": "input",
        "description": "Return of the CH1 high-side gate driver; connect to the CH1 switched node."
      },
      {
        "number": "29",
        "name": "HDRV1",
        "type": "output",
        "description": "Bootstrapped gate drive output for the CH1 high-side N-channel MOSFET."
      },
      {
        "number": "30",
        "name": "BOOT1",
        "type": "input",
        "description": "Bootstrapped supply for the CH1 high-side FET driver; connect a 100 nF (typical) capacitor from BOOT1 to SW1."
      },
      {
        "number": "31",
        "name": "VDD",
        "type": "power_in",
        "description": "Power input to the controller; connect a low-ESR 100 nF or larger ceramic capacitor from VDD to AGND, with operating input voltage 4.5 V to 20 V."
      },
      {
        "number": "32",
        "name": "BP3",
        "type": "power_out",
        "description": "Output bypass for the internal 3.3-V regulator; connect a 100 nF or larger capacitor to AGND (maximum suggested 10 µF)."
      },
      {
        "number": "33",
        "name": "PG1",
        "type": "output",
        "description": "Open-drain power-good indicator for the CH1 output voltage."
      },
      {
        "number": "34",
        "name": "CS1P",
        "type": "input",
        "description": "Positive terminal of the CH1 current sense amplifier."
      },
      {
        "number": "35",
        "name": "CS1N",
        "type": "input",
        "description": "Negative terminal of the CH1 current sense amplifier."
      },
      {
        "number": "36",
        "name": "TSNS1",
        "type": "input",
        "description": "External temperature sense input for CH1."
      },
      {
        "number": "37",
        "name": "VSNS1",
        "type": "input",
        "description": "Positive terminal of the CH1 differential remote sense amplifier."
      },
      {
        "number": "38",
        "name": "GSNS1",
        "type": "input",
        "description": "Negative terminal of the CH1 differential remote sense amplifier."
      },
      {
        "number": "39",
        "name": "DIFFO1",
        "type": "output",
        "description": "Output of the CH1 differential remote sense amplifier, which feeds the CH1 feedback divider."
      },
      {
        "number": "40",
        "name": "SYNC",
        "type": "input",
        "description": "Logic-level input for external clock synchronization; when an external clock is applied, the switching frequency is one half of the clock frequency, and the pin is tied to AGND when unused."
      },
      {
        "number": "41",
        "name": "PWPD",
        "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: Package hint mismatch: the MPN TPS40422RHAR is the VQFN (RHA) 40-pin 6 mm x 6 mm, 0.5 mm pitch packa; The exposed thermal pad of the RHA package is not given a pin number in Table 6-1 or the pin figures; Pin types are mapped from the datasheet I/O column to KiCad ERC classes: AGND, PGND and VDD are powe",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1188,
        "at": "2026-10-08T04:21:05"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps40422",
        "pages": 77,
        "sha256": "5149865e86388b29",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps40422rhar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps40422rhar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4390de856a3a2de2f72df7b217b62b2d3351ebdd4efedce79e95033f7018c895",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}