TPS40322RHBR

{
  "slug": "tps40322rhbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps40322rhbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps40322rhbr.kicad_sym",
    "tps40322rhbr.kicad_mod",
    "tps40322rhbr.glb",
    "tps40322rhbr.step",
    "tps40322rhbr.lbr",
    "docs/hero.png",
    "docs/tps40322rhbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps40322rhbr-hero.glb",
    "tps40322rhbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS40322RHBR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps40322",
    "parts": {
      "symbol": "tps40322rhbr.kicad_sym",
      "footprint": "tps40322rhbr.kicad_mod",
      "model_3d": "tps40322rhbr-hero.glb",
      "model_3d_plain": "tps40322rhbr.glb",
      "model_3d_step": "tps40322rhbr-etched.step",
      "model_3d_step_plain": "tps40322rhbr.step",
      "lbr": "tps40322rhbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650257",
      "digikey": "296-48742-2-ND",
      "mouser": "595-TPS40322RHBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T00:24:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48742-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS40322RHBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Bidirectional synchronization pin; outputs 2x free running clock in master mode or syncs to external clock (±20% range) in slave mode with 50% duty cycle, must be left floating when unused."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "input",
        "description": "Connect resistor from this pin to AGND to set oscillator frequency from 100 kHz to 1 MHz."
      },
      {
        "number": "3",
        "name": "EN1/SS1",
        "type": "input",
        "description": "Logic level enable input for CH1 (float=on, low=off); soft-start programming pin charged by internal 10 μA current source."
      },
      {
        "number": "4",
        "name": "FB1",
        "type": "input",
        "description": "Inverting input to error amplifier CH1; voltage equals internal 0.600 V reference under normal operation."
      },
      {
        "number": "5",
        "name": "COMP1",
        "type": "output",
        "description": "Output of error amplifier 1 and connection node for loop compensation network components."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Low noise analog ground connection to controller."
      },
      {
        "number": "7",
        "name": "COMP2",
        "type": "output",
        "description": "Output of error amplifier 2 and connection node for loop compensation network components."
      },
      {
        "number": "8",
        "name": "FB2",
        "type": "input",
        "description": "Inverting input to error amplifier CH2; voltage equals internal 0.600 V reference; connecting to BP6 enables two-phase mode."
      },
      {
        "number": "9",
        "name": "DIFFO",
        "type": "output",
        "description": "Differential amplifier output; must float or tie to BP6 in dual-channel mode."
      },
      {
        "number": "10",
        "name": "EN2/SS2/GSNS",
        "type": "input",
        "description": "Logic level enable input for CH2 (float=on, low=off) with 10 μA soft-start charging current; functions as GSNS (negative sense terminal) in two-phase mode."
      },
      {
        "number": "11",
        "name": "ILIM2/VSNS",
        "type": "input",
        "description": "Set CH2 overcurrent limit using 10 μA from this pin to AGND; functions as VSNS (positive sense terminal) in two-phase mode."
      },
      {
        "number": "12",
        "name": "CS2–",
        "type": "input",
        "description": "Negative terminal of current sense amplifier for CH2; typical voltage drop < 50 mV."
      },
      {
        "number": "13",
        "name": "CS2+",
        "type": "input",
        "description": "Positive terminal of current sense amplifier for CH2; typical voltage drop < 50 mV."
      },
      {
        "number": "14",
        "name": "PG2",
        "type": "output",
        "description": "Open-drain power good indicator for CH2; pulls low if output ±12.5% from nominal or soft-start active."
      },
      {
        "number": "15",
        "name": "BOOT2",
        "type": "power_out",
        "description": "Bootstrap supply for high-side FET driver CH2; connect 0.1 μF capacitor from BOOT2 to SW2 with ripple <100 mV."
      },
      {
        "number": "16",
        "name": "HDRV2",
        "type": "output",
        "description": "Bootstrapped gate drive output for high-side N-channel MOSFET CH2; 2 Ω series resistor recommended in noisy environments."
      },
      {
        "number": "17",
        "name": "SW2",
        "type": "input",
        "description": "Connect to switched node voltage of CH2 converter; provides return path for high-side gate driver HDRV2."
      },
      {
        "number": "18",
        "name": "LDRV2",
        "type": "output",
        "description": "Gate drive output for low-side synchronous rectifier N-channel MOSFET CH2."
      },
      {
        "number": "19",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground connection for CH2; separate PCB layout from PGND1 reduces channel-to-channel interference."
      },
      {
        "number": "20",
        "name": "BP6",
        "type": "power_out",
        "description": "Internal regulator 3.3 V bypass output; connect 3.3 μF minimum low-ESR ceramic capacitor to power ground plane."
      },
      {
        "number": "21",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground connection for CH1; separate PCB layout from PGND2 reduces channel-to-channel interference."
      },
      {
        "number": "22",
        "name": "LDRV1",
        "type": "output",
        "description": "Gate drive output for low-side synchronous rectifier N-channel MOSFET CH1."
      },
      {
        "number": "23",
        "name": "SW1",
        "type": "input",
        "description": "Connect to switched node voltage of CH1 converter; provides return path for high-side gate driver HDRV1."
      },
      {
        "number": "24",
        "name": "HDRV1",
        "type": "output",
        "description": "Bootstrapped gate drive output for high-side N-channel MOSFET CH1; 2 Ω series resistor recommended in noisy environments."
      },
      {
        "number": "25",
        "name": "BOOT1",
        "type": "power_out",
        "description": "Bootstrap supply for high-side FET driver CH1; connect 0.1 μF capacitor from BOOT1 to SW1 with ripple <100 mV."
      },
      {
        "number": "26",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input (3 V to 20 V); connect 0.1 μF minimum low-ESR bypass capacitor closely to AGND."
      },
      {
        "number": "27",
        "name": "PG1",
        "type": "output",
        "description": "Open-drain power good indicator for CH1; pulls low if output ±12.5% from nominal or soft-start active."
      },
      {
        "number": "28",
        "name": "CS1+",
        "type": "input",
        "description": "Positive terminal of current sense amplifier for CH1; typical voltage drop < 50 mV."
      },
      {
        "number": "29",
        "name": "CS1–",
        "type": "input",
        "description": "Negative terminal of current sense amplifier for CH1; typical voltage drop < 50 mV."
      },
      {
        "number": "30",
        "name": "ILIM1",
        "type": "input",
        "description": "Set CH1 overcurrent limit using 10 μA from this pin to AGND."
      },
      {
        "number": "31",
        "name": "UVLO",
        "type": "input",
        "description": "Undervoltage lockout threshold set by resistor divider from VIN; typical on threshold 8.0 V, hysteresis 1 V."
      },
      {
        "number": "32",
        "name": "PHSET",
        "type": "input",
        "description": "Master/slave mode and phase angle selection; master outputs 50% duty 2x clock, slave selects 0°/180° or 90°/270° phase shift."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: BOOT1 and BOOT2 pins are marked as input (I) in the datasheet Pin Functions table (page 4-5), but th; BP6 classified as power_out (internal regulator output); verify this matches intended ERC classifica",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.2309,
        "at": "2026-10-06T00:24:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps40322",
        "pages": 48,
        "sha256": "54a13b8f7fb2a2af",
        "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"
    }
  }
}