TPS65735RSNR

{
  "slug": "tps65735rsnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management - Specialized, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps65735rsnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "tps65735rsnr.step",
    "tps65735rsnr.lbr",
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    "docs/tps65735rsnr-datasheet.pdf",
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  "component": {
    "mpn": "TPS65735RSNR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps65735",
    "parts": {
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      "footprint": "tps65735rsnr.kicad_mod",
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      "model_3d_step": "tps65735rsnr-etched.step",
      "model_3d_step_plain": "tps65735rsnr.step",
      "lbr": "tps65735rsnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C193623",
      "digikey": "296-28949-2-ND",
      "mouser": "595-TPS65735RSNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:26:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-28949-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS65735RSNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST_EN",
        "type": "input",
        "description": "Boost enable input from an MCU; logic high (VIH 1.2 V min) enables the boost converter."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground pin of the device."
      },
      {
        "number": "3",
        "name": "LCLP",
        "type": "output",
        "description": "Positive (+) H-bridge output terminal for the left LC shutter."
      },
      {
        "number": "4",
        "name": "LCLN",
        "type": "output",
        "description": "Negative (−) H-bridge output terminal for the left LC shutter."
      },
      {
        "number": "5",
        "name": "LCRP",
        "type": "output",
        "description": "Positive (+) H-bridge output terminal for the right LC shutter."
      },
      {
        "number": "6",
        "name": "LCRN",
        "type": "output",
        "description": "Negative (−) H-bridge output terminal for the right LC shutter."
      },
      {
        "number": "7",
        "name": "HBL2",
        "type": "input",
        "description": "H-bridge input 2 for the left LC shutter; logic levels VIL 0.4 V max and VIH 1.2 V min."
      },
      {
        "number": "8",
        "name": "HBR1",
        "type": "input",
        "description": "H-bridge input 1 for the right LC shutter; logic levels VIL 0.4 V max and VIH 1.2 V min."
      },
      {
        "number": "9",
        "name": "HBR2",
        "type": "input",
        "description": "H-bridge input 2 for the right LC shutter; logic levels VIL 0.4 V max and VIH 1.2 V min."
      },
      {
        "number": "10",
        "name": "BST_OUT",
        "type": "output",
        "description": "Boost converter output, adjustable 8 V to 16 V; a boost output capacitor of at least 4.7 µF is recommended."
      },
      {
        "number": "11",
        "name": "BST_SW",
        "type": "output",
        "description": "Boost switch node; the boost inductor (4.7 µH to 10 µH) connects between SYS and this pin."
      },
      {
        "number": "12",
        "name": "PGNDBST",
        "type": "power_in",
        "description": "Boost converter power ground."
      },
      {
        "number": "13",
        "name": "BST_FB",
        "type": "input",
        "description": "Boost feedback node; the feedback network sets the output with a 1.2 V feedback voltage (VFB)."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; connect to the main system ground."
      },
      {
        "number": "15",
        "name": "ISET",
        "type": "bidirectional",
        "description": "Fast-charge current set resistor connection."
      },
      {
        "number": "16",
        "name": "TS",
        "type": "input",
        "description": "Input for a 10 kΩ NTC thermistor; float this pin if the thermistor/TS function is not used."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; connect to the main system ground."
      },
      {
        "number": "18",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Charger power-stage output and battery voltage sense input; recommended operating range 2.5 V to 6.4 V."
      },
      {
        "number": "19",
        "name": "SYS",
        "type": "output",
        "description": "Output to the system; recommended SYS voltage 2.5 V to 6.4 V with up to 100 mA output current."
      },
      {
        "number": "20",
        "name": "VIN",
        "type": "power_in",
        "description": "AC or USB adapter input; recommended range 3.7 V to 28 V (28 V ESD protection) with up to 200 mA input current."
      },
      {
        "number": "21",
        "name": "VLDO",
        "type": "output",
        "description": "LDO output; continuous output current up to 30 mA, with 1 µF to 10 µF external decoupling capacitor."
      },
      {
        "number": "22",
        "name": "VLDO_SET",
        "type": "input",
        "description": "Sets the LDO output voltage (see Table 2-2 of the datasheet); logic levels VIL 0.4 V max, VIH 1.2 V min."
      },
      {
        "number": "23",
        "name": "COMP",
        "type": "output",
        "description": "Scaled battery voltage output for an MCU comparator or ADC input; do not connect if the COMP function is not used."
      },
      {
        "number": "24",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; must always be connected to ground."
      },
      {
        "number": "25",
        "name": "SWITCH",
        "type": "input",
        "description": "On/off switch input for a push-button or slider switch, with behavior selected by SW_SEL."
      },
      {
        "number": "26",
        "name": "SW_SEL",
        "type": "input",
        "description": "Selects the switch type on SWITCH: low (VIL 0.4 V max) for slider switch, high (VIH 1.2 V min) for push-button."
      },
      {
        "number": "27",
        "name": "PSDA",
        "type": "bidirectional",
        "description": "I2C data pin, for TI debug and test only; ground this pin in the application."
      },
      {
        "number": "28",
        "name": "PSCL",
        "type": "bidirectional",
        "description": "I2C clock pin, for TI debug and test only; ground this pin in the application."
      },
      {
        "number": "29",
        "name": "nCHG_STAT",
        "type": "output",
        "description": "Open-drain charger status indication output; connect to ground if the function is not used."
      },
      {
        "number": "30",
        "name": "CHG_EN",
        "type": "input",
        "description": "Charger enable input from an MCU; the datasheet text describes the high level as enabling the boost (see review notes)."
      },
      {
        "number": "31",
        "name": "SLEEP",
        "type": "bidirectional",
        "description": "Sleep enable input from an MCU, edge-triggered and used only for system power-off; a falling edge below VIL (0.4 V) powers the system off after SLEEP was held high (above VIH 1.2 V)."
      },
      {
        "number": "32",
        "name": "HBL1",
        "type": "input",
        "description": "H-bridge input 1 for the left LC shutter; logic levels VIL 0.4 V max and VIH 1.2 V min."
      },
      {
        "number": "33",
        "name": "Thermal PAD",
        "type": "power_in",
        "description": "Exposed thermal pad, internally connected to AGND; must be held at the PCB AGND potential and must not be used as the main ground input."
      }
    ],
    "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: Figure 1-2 (package pin-out drawing) is an image and is not present in the extracted text. Pin numbe; CHG_EN (pin 30) polarity is inconsistent in the text: its description says 'high = boost enabled' wh; Table 1-1 classifies these pins as I/O; they are typed bidirectional here per the datasheet. Confirm",
          "2/33 pins cited to the wrong page (name found elsewhere): ['31:SLEEP@p6', '33:Thermal PAD@p6']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.092,
        "at": "2026-10-08T21:25:56"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps65735",
        "pages": 32,
        "sha256": "a8002731c7cf96b9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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  }
}