TL2844BDR-8

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  "slug": "tl2844bdr-8",
  "title": "TL2844BDR-8",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "TL2844BDR-8",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tl2844bdr-8.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error-amplifier output / compensation node. Loop compensation network is tied between COMP and VFB. Internally drives the current-sense comparator through a two-diode drop and 2R/R divider (approximately (V_COMP - 1.4 V)/3)."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "Inverting input of the internal error amplifier. Compared against the internal 2.5 V reference; typical feedback input voltage is 2.5 V with input bias current of -0.3 uA (max -1 uA on TL284xB)."
      },
      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "Current-sense input to the PWM current-sense comparator. Comparator trip threshold is nominally 1 V at COMP = 5 V. Delay from ISENSE to OUTPUT is 150 ns (typ). Input voltage range 0 to 5.5 V."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "passive",
        "description": "Oscillator timing pin. An external resistor to VREF and capacitor to GND set the oscillator frequency (up to 500 kHz). Trimmed discharge current 8.3 mA (typ) at RT/CT = 2 V. Operating range 0 to 5.5 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground and reference for all voltages. In the 8-pin package this pin also serves as the return for the totem-pole output stage."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "High-current totem-pole gate-drive output for N-channel power MOSFETs. Sources/sinks up to ~200 mA average, with rise/fall time 50 ns (typ) into 1 nF. High-level output 13.5 V typ at IOH = -20 mA; low-level 0.1 V typ at IOL = 20 mA. Held low by UVLO (V_OL = 0.7 V typ at V_CC = 5 V, sinking 10 mA)."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input for both logic and the output stage in the 8-pin package. TL2844B UVLO turn-on 16 V (typ), turn-off 10 V (typ). Start-up current <0.5 mA; operating supply current 11 mA (typ, 17 mA max). Absolute maximum 30 V."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "Internally trimmed 5 V reference output. 5 V typ (4.95-5.05 V for TL2844B), capable of sourcing up to 20 mA of external load. Short-circuit current -100 mA (typ). Commonly used to bias the RT/CT network."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl2844bdr-8.pdf",
        "pages": 26,
        "sha256": "804a10c86a6d4bdb",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "TL2844BDR-8D-8",
      "kind": "packaging"
    },
    {
      "mpn": "TL2844BDR-8",
      "kind": "packaging"
    },
    {
      "mpn": "TL2844BDR-8P",
      "kind": "packaging"
    },
    {
      "mpn": "TL2844BDR-8D",
      "kind": "packaging"
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  ],
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  "discovery_pitch": "TL2844BDR-8 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-25T09:51:57.439Z"
}