BQ25606RGER

{
  "slug": "bq25606rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25606rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq25606rger.kicad_sym",
    "bq25606rger.kicad_mod",
    "bq25606rger.glb",
    "bq25606rger.step",
    "bq25606rger.lbr",
    "docs/hero.png",
    "docs/bq25606rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ25606RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25606",
    "parts": {
      "symbol": "bq25606rger.kicad_sym",
      "footprint": "bq25606rger.kicad_mod",
      "model_3d": "bq25606rger-etched.glb",
      "model_3d_plain": "bq25606rger.glb",
      "model_3d_step": "bq25606rger-etched.step",
      "model_3d_step_plain": "bq25606rger.step",
      "lbr": "bq25606rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C374063"
    },
    "pins": [
      {
        "number": "1",
        "name": "VAC",
        "type": "input",
        "description": "Input voltage sensing pin for USB/adapter detection monitoring VAC threshold for input present qualification and overvoltage protection in range 3.36V to 14.91V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; this pin must be left floating."
      },
      {
        "number": "3",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive line of USB data pair for BC1.2 and nonstandard adapter detection to determine input current limit; voltage range -0.3V to 7V."
      },
      {
        "number": "4",
        "name": "D–",
        "type": "bidirectional",
        "description": "Negative line of USB data pair for BC1.2 and nonstandard adapter detection to determine input current limit; voltage range -0.3V to 7V."
      },
      {
        "number": "5",
        "name": "STAT",
        "type": "tri_state",
        "description": "Open-drain charger status output indicating LOW during charging, HIGH when complete/disabled, or blinking at 1Hz on fault condition; maximum sink current 6mA."
      },
      {
        "number": "6",
        "name": "OTG",
        "type": "input",
        "description": "Boost mode enable digital input; OTG operation enabled when pulled HIGH to supply 5.15V output from battery; cannot be left floating; voltage range -0.3V to 7V."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "tri_state",
        "description": "Open-drain active-low power good indicator; outputs LOW when input voltage between UVLO and ACOV, above sleep threshold, and input current >30mA; requires 10kΩ pull-up resistor."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Analog input to set input current limit via resistor to ground when unknown adapter detected; IINDPM = KILIM/RILIM with acceptable range 500mA to 3200mA."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Charge enable digital input; battery charging enabled when driven LOW; voltage range -0.3V to 7V with input thresholds VIL=0.4V and VIH=1.3V."
      },
      {
        "number": "10",
        "name": "ICHG",
        "type": "input",
        "description": "Analog input to set charge current limit via resistor to ground; ICHG = KICHG/RICHG with acceptable range 300mA to 3000mA and ±6% regulation accuracy."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Analog temperature input for JEITA profile qualification using negative temperature coefficient thermistor; charging current reduced to 20% and voltage reduced to 4.1V at cool/warm temperatures; voltage range -0.3V to 7V."
      },
      {
        "number": "12",
        "name": "VSET",
        "type": "input",
        "description": "Analog input to set default battery charge voltage via resistor pull-down to GND: >50kΩ yields 4.208V, <500Ω yields 4.352V, 5-25kΩ yields 4.400V; regulation accuracy ±0.5%."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery positive terminal connection point; internal current sensing resistor connected between SYS and BAT with 19.5mΩ on-resistance; connect 10µF capacitor closely to pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery positive terminal connection continuation point; part of internal current sensing and power path network between SYS and BAT for efficient charging."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter regulated output connection point maintaining system voltage typically 50mV above battery or clamped at 3.5V minimum; internal current sensing resistor between SYS and BAT; connect 20µF capacitor close to pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "Converter regulated output connection continuation point; part of narrow VDC power path architecture providing system supply."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground connection point; all ground connections must be tied together and connected to PCB ground plane."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground connection continuation point; must be soldered to PCB ground plane for electrical and thermal performance."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connecting to output inductor; internally connected to source of HSFET and drain of LSFET; connect 0.047µF bootstrap capacitor from SW to BTST; voltage range -2V to 16V."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "passive",
        "description": "Switching node continuation point; part of high-frequency buck converter switching path for efficient power transfer."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "power_in",
        "description": "Bootstrap voltage supply for high-side MOSFET gate drive; internally connected to bootstrap diode cathode; connect 0.047µF capacitor from SW to BTST; voltage range 0-22V absolute, -0.3 to 7V relative to SW."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "Regulated voltage output for gate drive and internal bias circuits; supplies bias rail to TS external resistors; output voltage 5.6-6.65V at 9V input or 4.6-4.9V at 5V input; connect 4.7µF (10V) ceramic capacitor close to IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "passive",
        "description": "Power path mid-point node connected to drain of RBFET and HSFET in buck converter; connect 10µF ceramic capacitor between PMID and GND; voltage range -0.3V to 22V."
      },
      {
        "number": "24",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage from USB/adapter with operating range 3.9V to 13.5V and absolute maximum 22V; internal RBFET connected between VBUS and PMID; place 1µF ceramic capacitor from VBUS to GND close to IC."
      },
      {
        "number": "25",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed pad providing electrical ground connection and low thermal impedance heat dissipation path from die to PCB ground plane; junction-to-board thermal resistance 9.2°C/W; must be soldered to ground with sufficient thermal vias."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 48,
        "cost_usd": 0.4529,
        "at": "2026-09-22T09:47:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25606",
        "pages": 48,
        "sha256": "99f5ade685ee50d1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq25606rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25606rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0e9765570927cdec89010d7de8ac0c65e44b2d2e18bcc5bd330c2c5c5d3969b1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}