TPS2456ARHHR

{
  "slug": "tps2456arhhr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Monitors & Reset Circuits, VQFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tps2456arhhr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2456arhhr.kicad_sym",
    "tps2456arhhr.kicad_mod",
    "tps2456arhhr.glb",
    "tps2456arhhr.step",
    "tps2456arhhr.lbr",
    "docs/hero.png",
    "docs/tps2456arhhr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps2456arhhr-hero.glb",
    "tps2456arhhr-hero.overlay.json",
    "tps2456arhhr-etched.glb"
  ],
  "component": {
    "mpn": "TPS2456ARHHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps2456arhhr.pdf",
    "parts": {
      "symbol": "tps2456arhhr.kicad_sym",
      "footprint": "tps2456arhhr.kicad_mod",
      "model_3d": "tps2456arhhr-hero.glb",
      "model_3d_plain": "tps2456arhhr-etched.glb",
      "model_3d_step": "tps2456arhhr-etched.step",
      "model_3d_step_plain": "tps2456arhhr.step",
      "lbr": "tps2456arhhr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678367",
      "digikey": "2156-TPS2456ARHHR-296-ND",
      "mouser": "595-TPS2456ARHHR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:33:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TPS2456ARHHR-296-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2456ARHHR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SENPA",
        "type": "input",
        "description": "Input voltage sense for channel A, connected to the source side of RSENSEA; used for fast trip, UVLO (trips when SENPA is below 8.5 V for more than 440 ns nominal) and blocking."
      },
      {
        "number": "2",
        "name": "SETA",
        "type": "input",
        "description": "Connect RSETA from the input supply to SETA to program the channel A current limit together with RSENSEA and RMONA."
      },
      {
        "number": "3",
        "name": "SENMA",
        "type": "input",
        "description": "Connect to the load side of RSENSEA; the fast-trip threshold equals 100 mV / RSENSEA."
      },
      {
        "number": "4",
        "name": "VINT",
        "type": "bidirectional",
        "description": "Internal bias rail (about 2.35 V) that requires a bypass capacitor to GND and is not designed as a general-purpose bias rail."
      },
      {
        "number": "5",
        "name": "MONA",
        "type": "bidirectional",
        "description": "Connect RMONA from MONA to GND to set the channel A current limit together with RSENSEA and RSETA; the current limit acts at VMONA = 675 mV."
      },
      {
        "number": "6",
        "name": "ORENA",
        "type": "input",
        "description": "Active-high blocking transistor enable; pulling it low disables blocking by holding GAT2A low, and an internal 200 kΩ resistor pulls it to VINT."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "9",
        "name": "MONB",
        "type": "bidirectional",
        "description": "Connect RMONB from MONB to GND to set the channel B current limit together with RSENSEB and RSETB; the current limit acts at VMONB = 675 mV."
      },
      {
        "number": "10",
        "name": "CTB",
        "type": "bidirectional",
        "description": "Connect a capacitor from CTB to GND to set the fault timer period; the channel shuts down and declares a fault when VCTB reaches 1.35 V."
      },
      {
        "number": "11",
        "name": "GAT2B",
        "type": "output",
        "description": "Gate drive for the channel B blocking MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above OUTB."
      },
      {
        "number": "12",
        "name": "OUTB",
        "type": "bidirectional",
        "description": "Output voltage monitor and bias input for channel B, used by the biasing, blocking and power-good circuits."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "14",
        "name": "ORENB",
        "type": "input",
        "description": "Active-high blocking transistor enable; pulling it low disables blocking by holding GAT2B low, and an internal 200 kΩ resistor pulls it to VINT."
      },
      {
        "number": "15",
        "name": "GAT1B",
        "type": "output",
        "description": "Gate drive for the channel B protection MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above INB."
      },
      {
        "number": "16",
        "name": "SENMB",
        "type": "input",
        "description": "Connect to the load side of RSENSEB; the fast-trip threshold equals 100 mV / RSENSEB."
      },
      {
        "number": "17",
        "name": "SETB",
        "type": "input",
        "description": "Connect RSETB from the input supply to SETB to program the channel B current limit together with RSENSEB and RMONB."
      },
      {
        "number": "18",
        "name": "SENPB",
        "type": "input",
        "description": "Input voltage sense for channel B, connected to the source side of RSENSEB; used for fast trip, UVLO (trips when SENPB is below 8.5 V for more than 440 ns nominal) and blocking."
      },
      {
        "number": "19",
        "name": "INB",
        "type": "power_in",
        "description": "Control power input for channel B, connected to the input supply; recommended VINx range is 8.5 V to 15 V."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "21",
        "name": "FLTB",
        "type": "output",
        "description": "Active-low open-drain fault output for channel B, asserted when the B fault timer runs out; may be left open if not used."
      },
      {
        "number": "22",
        "name": "PGB",
        "type": "output",
        "description": "Active-low open-drain power-good output for channel B, asserting when VOUTB exceeds 10.63 V and releasing below 10.50 V."
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "26",
        "name": "PGA",
        "type": "output",
        "description": "Active-low open-drain power-good output for channel A, asserting when VOUTA exceeds 10.63 V and releasing below 10.50 V."
      },
      {
        "number": "27",
        "name": "FLTA",
        "type": "output",
        "description": "Active-low open-drain fault output for channel A, asserted when the A fault timer runs out; may be left open if not used."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "29",
        "name": "ENB",
        "type": "input",
        "description": "Active-high enable for channel B; a low level turns the channel off by pulling GAT1B and GAT2B low, and an internal 200 kΩ resistor pulls it to VINT."
      },
      {
        "number": "30",
        "name": "GAT1A",
        "type": "output",
        "description": "Gate drive for the channel A protection MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above INA."
      },
      {
        "number": "31",
        "name": "ENA",
        "type": "input",
        "description": "Active-high enable for channel A; a low level turns the channel off by pulling GAT1A and GAT2A low, and an internal 200 kΩ resistor pulls it to VINT."
      },
      {
        "number": "32",
        "name": "GND",
        "type": "power_in",
        "description": "Connect pin to ground."
      },
      {
        "number": "33",
        "name": "OUTA",
        "type": "bidirectional",
        "description": "Output voltage monitor and bias input for channel A, used by the biasing, blocking and power-good circuits."
      },
      {
        "number": "34",
        "name": "GAT2A",
        "type": "output",
        "description": "Gate drive for the channel A blocking MOSFET; sources 30 µA to turn the MOSFET on and is clamped no more than 14.5 V above OUTA."
      },
      {
        "number": "35",
        "name": "CTA",
        "type": "bidirectional",
        "description": "Connect a capacitor from CTA to GND to set the fault timer period; the channel shuts down and declares a fault when VCTA reaches 1.35 V."
      },
      {
        "number": "36",
        "name": "INA",
        "type": "power_in",
        "description": "Control power input for channel A, connected to the input supply; recommended VINx range is 8.5 V to 15 V."
      },
      {
        "number": "37",
        "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 device pinout figure on page 7 ('DEVICE PINOUT (TOP VIEW)') is an image with no extractable text; Pin 20 is listed in the table with a dash for the name and is described only as 'No connection'. It ; The VINT bypass capacitor value conflicts within the datasheet: the pin table says 'e.g., 0.01µF', w",
          "exposed pad 37 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0703,
        "at": "2026-10-31T00:32:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps2456arhhr.pdf",
        "pages": 32,
        "sha256": "d647865d5e23c5c8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps2456arhhr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2456arhhr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c5210838224c43d374d51d80e154595dcd36dde10b95a3330ed225e7e59983dd",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RHH0036B",
      "source_page": 29,
      "D": {
        "nom_mm": 6.0,
        "range_mm": [
          5.9,
          6.1
        ]
      },
      "E1": {
        "nom_mm": 6.0,
        "range_mm": [
          5.9,
          6.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.9,
        "range_mm": [
          0.8,
          1.0
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tps2456arhhr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}