BQ25886RGER

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq25886rger",
  "title": "BQ25886RGER",
  "brief": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "bq25886rger"
  ],
  "component": {
    "mpn": "BQ25886RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 24,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq25886rger.pdf",
    "parts": {
      "symbol": "bq25886rger.kicad_sym",
      "footprint": "bq25886rger.kicad_mod",
      "model_3d": "bq25886rger-etched.glb",
      "model_3d_plain": "bq25886rger.glb",
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      "lbr": "bq25886rger.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative USB data line. D+/D- based USB host/charging port detection including data contact detection (DCD) and secondary detection per BC1.2."
      },
      {
        "number": "2",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status indicator. Connect to pull-up rail via 10kΩ resistor. LOW indicates charge in progress; HIGH indicates charge complete or charge disabled. Blinks at 1Hz when a fault occurs."
      },
      {
        "number": "3",
        "name": "/CE",
        "type": "input",
        "description": "Active-low charge enable. Battery charging is enabled when /CE is LOW. Internally pulled low via 900kΩ resistor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return."
      },
      {
        "number": "5",
        "name": "OTG",
        "type": "input",
        "description": "USB On-the-Go enable input. Pull high to enable OTG (boost) function; pull low to disable."
      },
      {
        "number": "6",
        "name": "VSET",
        "type": "input",
        "description": "Battery charge voltage limit. Resistor pull-down from VSET to GND sets regulation voltage: <18kΩ (short) = 8.2V, 39kΩ = 8.8V, 75kΩ = 8.7V, >150kΩ (floating) = 8.4V (all ±10%)."
      },
      {
        "number": "7",
        "name": "TS",
        "type": "input",
        "description": "Temperature qualification voltage. Connect NTC thermistor (103AT-2 recommended). Program temperature window with a resistor divider from REGN to TS to GND. Charge suspends when TS is out of range."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Input current limit (IINDPM). Resistor to GND sets maximum input current: IINMAX = KILIM / RILIM (KILIM x 0.8V). IINDPM loop regulates ILIM voltage at 0.8V. Do not float. Min limit 500mA not supported."
      },
      {
        "number": "9",
        "name": "/PG",
        "type": "output",
        "description": "Open-drain active-low power good indicator. Connect to pull-up rail via 10kΩ resistor. LOW indicates a good input source when VBUS is within VVBUS_OP (3.9V). Can sink more than IPOORSRC (30mA)."
      },
      {
        "number": "10",
        "name": "ICHGSET",
        "type": "input",
        "description": "Charge current limit. Resistor from ICHGSET to GND programs charge current in the range 30mA (114Ω) to 2.2A (8kΩ). Pre-charge/termination current is 1/10 of fast charge (min pre-charge 30mA, min termination 10mA). Short to GND = min 30mA; floating = disable charge."
      },
      {
        "number": "11",
        "name": "REGN",
        "type": "power_out",
        "description": "Gate drive supply. Bias supply for internal MOSFET drivers and IC. Bypass to GND with a 4.7µF ceramic capacitor. REGN current limit is 50mA."
      },
      {
        "number": "12",
        "name": "BTST",
        "type": "power_in",
        "description": "PWM high-side driver supply. Internally connected to the cathode of the boot-strap diode. Connect a 47nF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery power connection. Connect minimum recommended 10µF (after derating) capacitance closely to BAT pin and GND."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery power connection. Connect minimum recommended 10µF (after derating) capacitance closely to BAT pin and GND."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection. Internal BATFET is between SYS and BAT. Switch-mode converter keeps SYS above minimum system voltage when battery is below that level. Connect 2x22µF (after derating) between SYS and PGND."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection. Internal BATFET is between SYS and BAT. Switch-mode converter keeps SYS above minimum system voltage when battery is below that level. Connect 2x22µF (after derating) between SYS and PGND."
      },
      {
        "number": "17",
        "name": "SW",
        "type": "power_out",
        "description": "Inductor connection. Connect to the switched side of the external inductor."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "power_out",
        "description": "Inductor connection. Connect to the switched side of the external inductor."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return."
      },
      {
        "number": "21",
        "name": "PMID",
        "type": "power_in",
        "description": "Blocking MOSFET connection. Minimum recommended total input low-ESR capacitance on VBUS and PMID (after derating) is 10µF; at least 1µF on VBUS, remainder on PMID (typical 10µF)."
      },
      {
        "number": "22",
        "name": "PMID",
        "type": "power_in",
        "description": "Blocking MOSFET connection. Minimum recommended total input low-ESR capacitance on VBUS and PMID (after derating) is 10µF; at least 1µF on VBUS, remainder on PMID (typical 10µF)."
      },
      {
        "number": "23",
        "name": "VBUS",
        "type": "power_in",
        "description": "Input supply. Connected to the external DC supply (4.3V to 6.2V operating). Bypass VBUS to GND with at least 1µF ceramic capacitor placed as close to the IC as possible."
      },
      {
        "number": "24",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive USB data line. D+/D- based USB host/charging port detection including data contact detection (DCD) and secondary detection per BC1.2."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq25886rger.pdf",
        "pages": 43,
        "sha256": "c62b2e45b2566342",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "seat": "z = 0",
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        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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      {
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24-EP(4x4)",
      "Category": "PMIC",
      "Pins": "24"
    }
  },
  "variants": [
    {
      "mpn": "BQ25886RGER",
      "kind": "packaging"
    },
    {
      "mpn": "BQ25886RGERRGET",
      "kind": "packaging"
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  "discovery_pitch": "BQ25886RGER (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "updated_at": "2026-09-24T18:03:09.772Z"
}