TPS65149RSHR

{
  "slug": "tps65149rshr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management Specialized - PMIC, VQFN-56-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power supply chip",
    "tps65149rshr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TPS65149RSHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-56-EP(7x7)",
    "pin_count": 57,
    "category": "Power Supply Chip",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65149",
    "parts": {
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      "lbr": "tps65149rshr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862369"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T21:19:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 800 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FBPH",
        "type": "input",
        "description": "A resistor to ground sets the positive charge pump's maximum (cold) output voltage, with 200 µA flowing out of the pin to give the feedback voltage."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "input",
        "description": "Boost converter compensation pin; connect a compensation network (a series RC is adequate for most applications) to ground."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "A capacitor to ground sets the boost converter soft-start; larger values lengthen start-up time and reduce inrush current from VIN."
      },
      {
        "number": "5",
        "name": "RHVS",
        "type": "output",
        "description": "A resistor between this pin and FB sets the boost converter output voltage in high voltage stress mode."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Boost converter feedback pin."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "8",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "9",
        "name": "SW",
        "type": "passive",
        "description": "Boost converter switch node."
      },
      {
        "number": "10",
        "name": "SW",
        "type": "passive",
        "description": "Boost converter switch node."
      },
      {
        "number": "11",
        "name": "FREQ",
        "type": "input",
        "description": "Boost switching frequency select: 1.2 MHz when high, 640 kHz when low; internal pull-up, may be left floating for 1.2 MHz."
      },
      {
        "number": "12",
        "name": "GD",
        "type": "output",
        "description": "Gate drive for the external isolation switch; sinks a constant current when EN=high and is pulled up by a resistor when EN=low."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input (3 V to 6 V); decouple with a 100 nF ceramic capacitor close to the pin."
      },
      {
        "number": "14",
        "name": "XAO",
        "type": "output",
        "description": "Open-drain reset output pulled low when the VDET voltage is below the internal 1.24 V reference."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable input: device enabled when high and disabled when low; the panel discharge function always works regardless of EN."
      },
      {
        "number": "16",
        "name": "VDET",
        "type": "input",
        "description": "Panel discharge detection; discharge mode is entered when the voltage is below the internal reference (1.24 V), which also pulls XAO low."
      },
      {
        "number": "17",
        "name": "HVS",
        "type": "input",
        "description": "High voltage stress mode when high, normal mode when low; internal pull-down, may be left floating in normal operation."
      },
      {
        "number": "18",
        "name": "AVDD",
        "type": "power_in",
        "description": "Must connect to the boost converter output; used as the VCOM reference and for boost overvoltage and short-circuit detection."
      },
      {
        "number": "19",
        "name": "DVRO",
        "type": "input",
        "description": "Current sink programmable via I2C, typically connected to a resistor divider between AVDD and ground to set the external VCOM buffer input voltage."
      },
      {
        "number": "20",
        "name": "RSET",
        "type": "input",
        "description": "A resistor to ground sets the full-scale current of the DVRO current sink; smaller values give larger currents."
      },
      {
        "number": "21",
        "name": "WP",
        "type": "input",
        "description": "EEPROM write protect: data can be overwritten only when WP=high; all EEPROM writes are prevented when low."
      },
      {
        "number": "22",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C interface clock signal."
      },
      {
        "number": "23",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data signal."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating or connect to ground."
      },
      {
        "number": "25",
        "name": "LGND",
        "type": "power_in",
        "description": "Level shifter ground connection."
      },
      {
        "number": "26",
        "name": "DSCHG2",
        "type": "output",
        "description": "Level shifter output (panel discharge signal 2)."
      },
      {
        "number": "27",
        "name": "CLKOUT1",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "28",
        "name": "CLKOUT2",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "29",
        "name": "CLKOUT3",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "30",
        "name": "CLKOUT4",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "31",
        "name": "CLKOUT5",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "32",
        "name": "CLKOUT6",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "33",
        "name": "STVOUT",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "34",
        "name": "RESETOUT",
        "type": "output",
        "description": "Level shifter output."
      },
      {
        "number": "35",
        "name": "DSCHG1",
        "type": "output",
        "description": "Level shifter output (panel discharge signal 1)."
      },
      {
        "number": "36",
        "name": "RESETIN",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "37",
        "name": "STVIN",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "38",
        "name": "CLKIN6",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "39",
        "name": "CLKIN5",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "40",
        "name": "CLKIN4",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "41",
        "name": "CLKIN3",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "42",
        "name": "CLKIN2",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "43",
        "name": "CLKIN1",
        "type": "input",
        "description": "Level shifter input."
      },
      {
        "number": "44",
        "name": "VGH",
        "type": "power_in",
        "description": "Level shifter positive supply; decouple with a 0.1 µF to 10 µF ceramic capacitor close to the pin."
      },
      {
        "number": "45",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating or connect to ground."
      },
      {
        "number": "46",
        "name": "VGL1",
        "type": "power_in",
        "description": "Level shifter negative supply for all channels except DSCHRG2; decouple with a 0.1 µF to 10 µF ceramic capacitor close to the pin."
      },
      {
        "number": "47",
        "name": "VGL2",
        "type": "power_in",
        "description": "Level shifter negative supply for the DSCHRG2 channel; decouple with a 0.1 µF to 10 µF ceramic capacitor close to the pin."
      },
      {
        "number": "48",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating or connect to ground."
      },
      {
        "number": "49",
        "name": "FBN",
        "type": "input",
        "description": "Negative charge pump controller feedback pin."
      },
      {
        "number": "50",
        "name": "VL",
        "type": "output",
        "description": "Accurate reference voltage for the negative charge pump, not for external loads; decouple with a 0.1 µF to 1 µF ceramic capacitor close to the pin."
      },
      {
        "number": "51",
        "name": "DRVN",
        "type": "output",
        "description": "Base drive current for the external NPN transistor regulating VGL1."
      },
      {
        "number": "52",
        "name": "FBP",
        "type": "input",
        "description": "Positive charge pump controller feedback pin."
      },
      {
        "number": "53",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating or connect to ground."
      },
      {
        "number": "54",
        "name": "DRVP",
        "type": "output",
        "description": "Base drive current for the external PNP transistor regulating VGH."
      },
      {
        "number": "55",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating or connect to ground."
      },
      {
        "number": "56",
        "name": "RNTC",
        "type": "input",
        "description": "A thermistor-resistor network on this pin programs the temperature compensation characteristic of the positive charge pump."
      },
      {
        "number": "57",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The top-view pin assignment on page 6 extracted as scrambled text and appears to disagree with the p; I/O types follow the datasheet's I/O column: RHVS is listed as O, and DVRO and RSET as I even though"
        ],
        "pages_sent": 14,
        "cost_usd": 0.189,
        "at": "2026-10-23T21:18:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65149",
        "pages": 50,
        "sha256": "e7765480c38b6fc4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 57,
        "described": 57,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}