TPS40428RHAR

{
  "slug": "tps40428rhar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps40428rhar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps40428rhar.kicad_sym",
    "tps40428rhar.kicad_mod",
    "tps40428rhar.glb",
    "tps40428rhar.step",
    "tps40428rhar.lbr",
    "docs/hero.png",
    "docs/tps40428rhar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps40428rhar-hero.glb",
    "tps40428rhar-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS40428RHAR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps40428",
    "parts": {
      "symbol": "tps40428rhar.kicad_sym",
      "footprint": "tps40428rhar.kicad_mod",
      "model_3d": "tps40428rhar-hero.glb",
      "model_3d_plain": "tps40428rhar.glb",
      "model_3d_step": "tps40428rhar-etched.step",
      "model_3d_step_plain": "tps40428rhar.step",
      "lbr": "tps40428rhar.lbr"
    },
    "distributor_links": {
      "lcsc": "C2658024",
      "digikey": "296-TPS40428RHARTR-ND",
      "mouser": "595-TPS40428RHAR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T23:59:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS40428RHARTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS40428RHAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Synchronization pin for an external clock; the external SYNC frequency must be 4 times the desired switching frequency in 1-, 2-, or 4-phase operation and 3 times in 3-phase operation."
      },
      {
        "number": "2",
        "name": "PHSET",
        "type": "bidirectional",
        "description": "Phase set pin for multiphase mode, tied to the PHSET bus in 3- and 4-phase configurations to set the phase shift between devices."
      },
      {
        "number": "3",
        "name": "CNTL1",
        "type": "input",
        "description": "Logic-level input that starts or stops channel 1; an internal 6-µA current source pulls it up to VBP5 when the pin is floating."
      },
      {
        "number": "4",
        "name": "CNTL2",
        "type": "input",
        "description": "Logic-level input that starts or stops channel 2; an internal 6-µA current source pulls it up to VBP5 when the pin is floating."
      },
      {
        "number": "5",
        "name": "SMBALERT",
        "type": "output",
        "description": "PMBus alert pin for the SMBALERT response protocol; pull up to BP3 via a 100 kΩ resistor when unused."
      },
      {
        "number": "6",
        "name": "PMBDATA",
        "type": "bidirectional",
        "description": "PMBus data pin; pull up to BP3 via a 100 kΩ resistor when unused."
      },
      {
        "number": "7",
        "name": "PMBCLK",
        "type": "input",
        "description": "PMBus clock pin supporting both 100-kHz and 400-kHz bus speeds; pull up to BP3 via a 100 kΩ resistor when unused."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin for analog signals; connect directly to the thermal pad."
      },
      {
        "number": "9",
        "name": "AVSDATA",
        "type": "input",
        "description": "AVS data line for the high-speed AVSBUS; must connect to the AVS host when the AVS interface is used, and may float or connect to GND if AVS mode is disabled."
      },
      {
        "number": "10",
        "name": "AVSCLK",
        "type": "input",
        "description": "AVS clock line for the high-speed AVSBUS; must connect to the AVS host when the AVS interface is used, and may float or connect to GND if AVS mode is disabled."
      },
      {
        "number": "11",
        "name": "ADDR1",
        "type": "input",
        "description": "High-order digit pin of the PMBus address; connect a resistor to AGND as given in Table 3."
      },
      {
        "number": "12",
        "name": "ADDR0",
        "type": "input",
        "description": "Low-order digit pin of the PMBus address; connect a resistor to AGND as given in Table 3."
      },
      {
        "number": "13",
        "name": "GSNS2",
        "type": "input",
        "description": "Negative pin of the voltage sense signal for channel 2; connect to GND (connection to the output voltage is also allowed in dual-output mode)."
      },
      {
        "number": "14",
        "name": "VSNS2",
        "type": "input",
        "description": "Positive pin of the voltage sense signal for channel 2."
      },
      {
        "number": "15",
        "name": "COMP2",
        "type": "output",
        "description": "Output of error amplifier 2 and connection node for the loop feedback components."
      },
      {
        "number": "16",
        "name": "FB2",
        "type": "input",
        "description": "Inverting input to error amplifier 2, which in normal operation equals the internal 0.6 V reference; connect to BP5 to set the channel as a slave."
      },
      {
        "number": "17",
        "name": "FLT2",
        "type": "bidirectional",
        "description": "Fault signal of channel 2, pulled to BP3 through an internal 100 kΩ resistor."
      },
      {
        "number": "18",
        "name": "CS2N",
        "type": "input",
        "description": "Negative pin of the channel 2 current sense amplifier; an internal 4 kΩ resistor pulls it to 1.24 V in smart power mode to bias the smart power stage."
      },
      {
        "number": "19",
        "name": "CS2P",
        "type": "input",
        "description": "Positive pin of the channel 2 current sense amplifier."
      },
      {
        "number": "20",
        "name": "TSNS2",
        "type": "input",
        "description": "External temperature sense signal input for channel 2."
      },
      {
        "number": "21",
        "name": "ISH2",
        "type": "input",
        "description": "Current sharing signal of channel 2 for multiphase mode; tie to the ISH bus."
      },
      {
        "number": "22",
        "name": "PG2",
        "type": "output",
        "description": "Open-drain power good indicator for the channel 2 output voltage; pulled to ground internally in slave channel."
      },
      {
        "number": "23",
        "name": "PWM2",
        "type": "output",
        "description": "PWM signal output for channel 2."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Power input to the controller with an input operating voltage of 4.5 V to 20 V; connect a low-ESR ceramic capacitor of 1 µF or greater closely from this pin to AGND."
      },
      {
        "number": "25",
        "name": "BP5",
        "type": "power_out",
        "description": "Output bypass for the internal regulator; connect a low-ESR ceramic capacitor of 1 µF or greater closely from this pin to PGND, with a maximum suggested value of 10 µF."
      },
      {
        "number": "26",
        "name": "BP3",
        "type": "power_out",
        "description": "3.3-V bias power for logic; connect a low-ESR ceramic capacitor of 0.33 µF or greater closely from this pin to AGND, with a maximum suggested value of 10 µF."
      },
      {
        "number": "27",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground used for the BP5 bypass capacitor; connect directly to the thermal pad."
      },
      {
        "number": "28",
        "name": "PWM1",
        "type": "output",
        "description": "PWM signal output for channel 1."
      },
      {
        "number": "29",
        "name": "PG1",
        "type": "output",
        "description": "Open-drain power good indicator for the channel 1 output voltage; pulled to ground internally in slave channel."
      },
      {
        "number": "30",
        "name": "ISH1",
        "type": "input",
        "description": "Current sharing signal of channel 1 for multiphase mode; tie to the ISH bus."
      },
      {
        "number": "31",
        "name": "TSNS1",
        "type": "input",
        "description": "External temperature sense signal input for channel 1."
      },
      {
        "number": "32",
        "name": "CS1P",
        "type": "input",
        "description": "Positive pin of the channel 1 current sense amplifier."
      },
      {
        "number": "33",
        "name": "CS1N",
        "type": "input",
        "description": "Negative pin of the channel 1 current sense amplifier; an internal 4 kΩ resistor pulls it to 1.24 V in smart power mode to bias the smart power stage."
      },
      {
        "number": "34",
        "name": "FLT1",
        "type": "bidirectional",
        "description": "Fault signal of channel 1, pulled to BP3 through an internal 100 kΩ resistor."
      },
      {
        "number": "35",
        "name": "FB1",
        "type": "input",
        "description": "Inverting input to error amplifier 1, which in normal operation equals the internal 0.6 V reference; connect to BP5 to set the channel as a slave."
      },
      {
        "number": "36",
        "name": "COMP1",
        "type": "output",
        "description": "Output of error amplifier 1 and connection node for the loop feedback components."
      },
      {
        "number": "37",
        "name": "VSNS1",
        "type": "input",
        "description": "Positive pin of the voltage sense signal for channel 1."
      },
      {
        "number": "38",
        "name": "GSNS1",
        "type": "input",
        "description": "Negative pin of the voltage sense signal for channel 1."
      },
      {
        "number": "39",
        "name": "DIFFO1",
        "type": "output",
        "description": "Remote sense amplifier output for channel 1."
      },
      {
        "number": "40",
        "name": "RT",
        "type": "input",
        "description": "Connect a resistor from this pin to AGND to set the oscillator frequency."
      },
      {
        "number": "41",
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad is not numbered in the datasheet pin table (pages 3-4). The schematic on pag; The datasheet lists VDD as 'I', BP5 and BP3 as 'O'. These were mapped to KiCad power_in / power_out ; AGND (pin 8) and PGND (pin 27) are datasheet type '—'. They are typed power_in per the GND rule.",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1113,
        "at": "2026-10-10T23:59:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps40428",
        "pages": 93,
        "sha256": "21c3662a008c761c",
        "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": "tps40428rhar.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps40428rhar-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": "ba21014dce8043306013ff7996c36f4c58f837d80b4bb4c332e362d7eb438ed6",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}