CC2544RHBR

{
  "slug": "cc2544rhbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RF Transceiver ICs, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "cc2544rhbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc2544rhbr.kicad_sym",
    "cc2544rhbr.kicad_mod",
    "cc2544rhbr.glb",
    "cc2544rhbr.step",
    "cc2544rhbr.lbr",
    "docs/hero.png",
    "docs/cc2544rhbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cc2544rhbr-hero.glb",
    "cc2544rhbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "CC2544RHBR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cc2544",
    "parts": {
      "symbol": "cc2544rhbr.kicad_sym",
      "footprint": "cc2544rhbr.kicad_mod",
      "model_3d": "cc2544rhbr-hero.glb",
      "model_3d_plain": "cc2544rhbr.glb",
      "model_3d_step": "cc2544rhbr-etched.step",
      "model_3d_step_plain": "cc2544rhbr.step",
      "lbr": "cc2544rhbr.lbr"
    },
    "distributor_links": {
      "lcsc": 2151515,
      "digikey": "296-39982-2-ND",
      "mouser": "595-CC2544RHBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:30:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-39982-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CC2544RHBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "USB_P",
        "type": "bidirectional",
        "description": "USB D+ line of the full-speed USB 2.0 module, with internal pull-up for D+."
      },
      {
        "number": "2",
        "name": "USB_N",
        "type": "bidirectional",
        "description": "USB D- line of the full-speed USB 2.0 module."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "4",
        "name": "DCPL2",
        "type": "passive",
        "description": "3.3-V regulator decoupling pin."
      },
      {
        "number": "5",
        "name": "VBUS",
        "type": "power_in",
        "description": "5-V power input for the optional on-chip 5 V to 3.3 V regulator, operating range 4 V to 5.45 V."
      },
      {
        "number": "6",
        "name": "P1_0",
        "type": "bidirectional",
        "description": "General-purpose I/O port 1 bit 0 with 20 mA drive strength."
      },
      {
        "number": "7",
        "name": "P1_1",
        "type": "bidirectional",
        "description": "General-purpose I/O port 1 bit 1 with 20 mA drive strength."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "IOVDD digital I/O supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "9",
        "name": "P0_0",
        "type": "bidirectional",
        "description": "General-purpose I/O port 0 bit 0."
      },
      {
        "number": "10",
        "name": "P0_1",
        "type": "bidirectional",
        "description": "General-purpose I/O port 0 bit 1."
      },
      {
        "number": "11",
        "name": "VSS",
        "type": "power_in",
        "description": "Optional IOVSS ground pin."
      },
      {
        "number": "12",
        "name": "VDD",
        "type": "power_in",
        "description": "IOVDD digital I/O supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "13",
        "name": "P0_2",
        "type": "bidirectional",
        "description": "General-purpose I/O port 0 bit 2."
      },
      {
        "number": "14",
        "name": "P0_3",
        "type": "bidirectional",
        "description": "General-purpose I/O port 0 bit 3."
      },
      {
        "number": "15",
        "name": "RESET_N",
        "type": "input",
        "description": "Active-low reset input."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "17",
        "name": "XOSC1",
        "type": "input",
        "description": "32-MHz crystal oscillator pin 1 or external-clock input."
      },
      {
        "number": "18",
        "name": "XOSC2",
        "type": "passive",
        "description": "32-MHz crystal oscillator pin 2."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "20",
        "name": "RF_P",
        "type": "bidirectional",
        "description": "Positive RF input to the LNA during RX and positive RF output from the PA during TX."
      },
      {
        "number": "21",
        "name": "RF_N",
        "type": "bidirectional",
        "description": "Negative RF input to the LNA during RX and negative RF output from the PA during TX."
      },
      {
        "number": "22",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD analog supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "25",
        "name": "RBIAS",
        "type": "passive",
        "description": "External precision bias resistor connection for reference current."
      },
      {
        "number": "26",
        "name": "VDD",
        "type": "power_in",
        "description": "AVDD_GUARD supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Optional IOVSS ground pin."
      },
      {
        "number": "28",
        "name": "P1_2",
        "type": "bidirectional",
        "description": "General-purpose I/O port 1 bit 2, also the debug clock."
      },
      {
        "number": "29",
        "name": "P1_3",
        "type": "bidirectional",
        "description": "General-purpose I/O port 1 bit 3, also the debug data."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "IOVDD digital I/O supply pin, 2 V to 3.6 V, must be at the same voltage as all other VDD pins."
      },
      {
        "number": "31",
        "name": "DCPL1",
        "type": "passive",
        "description": "1.8-V regulator decoupling pin."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "USB ground pin."
      },
      {
        "number": "33",
        "name": "VSS",
        "type": "power_in",
        "description": "Exposed thermal pad, must be connected to a solid ground plane as the main ground connection for the chip."
      }
    ],
    "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: Pin 17 (XOSC1) description states 'or external-clock input' indicating dual-mode capability: passive; Exposed thermal ground pad listed in PIN DESCRIPTIONS table without numeric pin number; designated a",
          "exposed pad 33 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1425,
        "at": "2026-10-03T05:30:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cc2544",
        "pages": 31,
        "sha256": "553344b3091742a9",
        "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"
    }
  }
}