{
  "family": "Power",
  "name": "L.1T",
  "rev": "b",
  "tile_id": 6,
  "json_version": "0.6",
  "updated_at": "2026-03-07T11:55:31.661Z",
  "headline": "single-cell Li-Ion charge controller with 1.8V LDO",
  "description": "Perfect for wearables and compact battery-powered devices, the Power.L1.T tile integrates a single-cell Lithium-Ion battery charger with a max charge current of 500mA with a programmable LDO output and a 12-bit ADC for battery and system monitoring.",
  "application_notes": [
    {
      "sort": 0,
      "details": "When a battery is first connected, the IC will enter the ultra-low-current ship mode, which it will exit when voltage is first applied to the SUPPLY pads.  Ship mode can be re-entered either programmatically or by disconnecting/reconnecting the battery.",
      "heading": "Existing Ship Mode",
      "image_url": ""
    },
    {
      "sort": 1,
      "details": "When the SW pad is floating, the LDO output will be connected.  Connect SW to GND/SUPPLY- to turn off the output.",
      "heading": "Normally-On Operation",
      "image_url": ""
    },
    {
      "sort": 2,
      "details": "In the default low-power mode, the I2C interface is disabled.  To exit low-power mode, drive the LP to greater than 1.35V.",
      "heading": "Low-Power Mode",
      "image_url": ""
    }
  ],
  "package": {
    "pads": 10,
    "type": "T44",
    "size_x": 4000,
    "size_y": 4000,
    "size_z": 0
  },
  "power": [
    {
      "max": 1.8,
      "min": 1.8,
      "type": "",
      "notes": "",
      "gnd_pad": [
        "1"
      ],
      "function": "",
      "direction": "output",
      "is_required": true,
      "max_current": "",
      "positive_pad": [
        "10"
      ]
    },
    {
      "max": 5.5,
      "min": 3.4,
      "type": "charge",
      "notes": "",
      "gnd_pad": [
        "9"
      ],
      "function": "",
      "direction": "input",
      "is_required": false,
      "max_current": "500mA",
      "positive_pad": [
        "8"
      ]
    },
    {
      "max": 4.6,
      "min": 3.6,
      "type": "rechargeable battery",
      "notes": "",
      "gnd_pad": [
        "6"
      ],
      "function": "single-cell Li-Ion battery",
      "direction": "input",
      "is_required": false,
      "max_current": "500mA (charge)",
      "positive_pad": [
        "7"
      ]
    }
  ],
  "components": [
    {
      "url": "https://www.ti.com/product/BQ25150",
      "part": "BQ25150",
      "datasheet": "https://mosaic-component-datasheets.s3.eu-north-1.amazonaws.com/6/Texas_Instruments-BQ25150.pdf",
      "manufacturer": "Texas Instruments"
    }
  ],
  "pads": [
    {
      "pad": "1",
      "geometry": {
        "size_x": 1000,
        "size_y": 400,
        "center_x": -1500,
        "center_y": 1600
      },
      "functions": [
        {
          "type": "power",
          "function": "GND",
          "direction": "output"
        }
      ]
    },
    {
      "pad": "2",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": -1600,
        "center_y": 800
      },
      "functions": [
        {
          "note": "drive greater than 1.35V to exit low-power mode when in battery-powered mode (internal 900k pull-down).",
          "type": "digital",
          "function": "LP",
          "direction": "input"
        }
      ]
    },
    {
      "pad": "3",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": -1600,
        "center_y": 0
      },
      "functions": [
        {
          "note": "connect to GND to disable the LDO output (battery charging will be unaffected).",
          "type": "digital",
          "function": "SW",
          "direction": "input"
        }
      ]
    },
    {
      "pad": "4",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": -1600,
        "center_y": -800
      },
      "functions": [
        {
          "note": "",
          "type": "interface",
          "function": "I2C.CLK",
          "direction": "bidirectional",
          "is_default": true
        }
      ]
    },
    {
      "pad": "5",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": -1600,
        "center_y": -1600
      },
      "functions": [
        {
          "note": "",
          "type": "interface",
          "function": "I2C.DAT",
          "direction": "bidirectional",
          "is_default": true
        }
      ]
    },
    {
      "pad": "6",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": 1600,
        "center_y": -1600
      },
      "functions": [
        {
          "note": "",
          "type": "power",
          "function": "BATT-",
          "direction": "bidirectional",
          "is_default": true
        }
      ]
    },
    {
      "pad": "7",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": 1600,
        "center_y": -800
      },
      "functions": [
        {
          "note": "",
          "type": "power",
          "function": "BATT+",
          "direction": "bidirectional",
          "is_default": true
        }
      ]
    },
    {
      "pad": "8",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": 1600,
        "center_y": 0
      },
      "functions": [
        {
          "note": "3.15-5.5V, up to 500mA",
          "type": "power",
          "function": "SUPPLY+",
          "direction": "input",
          "is_default": true
        }
      ]
    },
    {
      "pad": "9",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": 1600,
        "center_y": 800
      },
      "functions": [
        {
          "note": "",
          "type": "power",
          "function": "SUPPLY-",
          "direction": "input",
          "is_default": true
        }
      ]
    },
    {
      "pad": "10",
      "geometry": {
        "size_x": 800,
        "size_y": 400,
        "center_x": 1600,
        "center_y": 1600
      },
      "functions": [
        {
          "note": "1.8V, up to 10mA",
          "type": "power",
          "function": "V+",
          "direction": "output"
        }
      ]
    }
  ],
  "interfaces": [
    {
      "name": "I2C",
      "type": "I2C",
      "parameters": {
        "modes": [
          "slave"
        ],
        "addresses": [
          {
            "address": "0x6B",
            "is_default": true
          }
        ],
        "data_bits": [
          8
        ],
        "address_bits": [
          7
        ],
        "max_clock_speed": ""
      },
      "pad_assignments": [
        {
          "pad": "4",
          "function": "I2C.CLK",
          "is_required": true
        },
        {
          "pad": "5",
          "function": "I2C.DAT",
          "is_required": true
        }
      ]
    }
  ]
}