DRV8842MPWPREP

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8842mpwprep",
  "title": "DRV8842MPWPREP",
  "brief": "Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "drv8842mpwprep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8842MPWPREP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28-EP",
    "pin_count": 29,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8842-ep",
    "parts": {
      "symbol": "drv8842mpwprep.kicad_sym",
      "footprint": "drv8842mpwprep.kicad_mod",
      "model_3d": "drv8842mpwprep-hero.glb",
      "model_3d_plain": "drv8842mpwprep.glb",
      "model_3d_step": "drv8842mpwprep-etched.step",
      "model_3d_step_plain": "drv8842mpwprep.step",
      "lbr": "drv8842mpwprep.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872637",
      "digikey": "296-40082-1-ND",
      "mouser": "595-DRV8842MPWPREP"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:23:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-40082-1-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8842MPWPREP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CP1",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor pin; connect a 0.01-μF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "2",
        "name": "CP2",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor pin; connect a 0.01-μF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "3",
        "name": "VCP",
        "type": "bidirectional",
        "description": "High-side gate drive voltage; connect a 0.1-μF 16-V ceramic capacitor and a 1-MΩ resistor to VM."
      },
      {
        "number": "4",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input for bridge A, 8.2 to 45 V; both VM pins must be connected to the same supply and bypassed to GND."
      },
      {
        "number": "5",
        "name": "OUT1",
        "type": "output",
        "description": "H-bridge output 1 connects to the motor winding; both OUT1 pins must be connected together on the PCB."
      },
      {
        "number": "6",
        "name": "ISEN",
        "type": "bidirectional",
        "description": "Bridge ground / current-sense pin connects to the current sense resistor; both ISEN pins must be connected together on the PCB."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "H-bridge output 2 connects to the motor winding; both OUT2 pins must be connected together on the PCB."
      },
      {
        "number": "8",
        "name": "OUT2",
        "type": "output",
        "description": "H-bridge output 2 connects to the motor winding; both OUT2 pins must be connected together on the PCB."
      },
      {
        "number": "9",
        "name": "ISEN",
        "type": "bidirectional",
        "description": "Bridge ground / current-sense pin connects to the current sense resistor; both ISEN pins must be connected together on the PCB."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "H-bridge output 1 connects to the motor winding; both OUT1 pins must be connected together on the PCB."
      },
      {
        "number": "11",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input for bridge A, 8.2 to 45 V; both VM pins must be connected to the same supply and bypassed to GND."
      },
      {
        "number": "12",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage for winding current set, recommended 1 to 3.5 V (accuracy degraded below 1 V); both VREF pins must be connected together on the PCB."
      },
      {
        "number": "13",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage for winding current set, recommended 1 to 3.5 V (accuracy degraded below 1 V); both VREF pins must be connected together on the PCB."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "15",
        "name": "V3P3OUT",
        "type": "power_out",
        "description": "3.3-V regulator output (3.1 to 3.5 V, up to 1 mA load) that can supply VREF; bypass to GND with a 0.47-μF 6.3-V ceramic capacitor."
      },
      {
        "number": "16",
        "name": "nRESET",
        "type": "input",
        "description": "Active-low reset input that initializes the logic and disables the H-bridge outputs; internal pulldown of approximately 100 kΩ and must be driven high for operation."
      },
      {
        "number": "17",
        "name": "nSLEEP",
        "type": "input",
        "description": "Logic high enables the device and logic low enters low-power sleep mode; internal pulldown of approximately 100 kΩ and must be driven high for operation."
      },
      {
        "number": "18",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault output that is driven low during over-temperature or overcurrent faults; output low voltage is 0.5 V max at 5 mA."
      },
      {
        "number": "19",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode select: logic low gives slow decay, open gives mixed decay, logic high gives fast decay; internal pullup of about 130 kΩ and pulldown of about 80 kΩ."
      },
      {
        "number": "20",
        "name": "IN2",
        "type": "input",
        "description": "Logic input that directly controls the state of OUT2; internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "21",
        "name": "IN1",
        "type": "input",
        "description": "Logic input that directly controls the state of OUT1; internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "Labeled NC (no connection) on the datasheet top view; no function is described for this pin."
      },
      {
        "number": "23",
        "name": "I0",
        "type": "input",
        "description": "Current set input bit 0 that scales winding current as a percentage of full-scale (I[4:0] sets 0% to 100%); internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "24",
        "name": "I1",
        "type": "input",
        "description": "Current set input bit 1 that scales winding current as a percentage of full-scale (I[4:0] sets 0% to 100%); internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "25",
        "name": "I2",
        "type": "input",
        "description": "Current set input bit 2 that scales winding current as a percentage of full-scale (I[4:0] sets 0% to 100%); internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "26",
        "name": "I3",
        "type": "input",
        "description": "Current set input bit 3 that scales winding current as a percentage of full-scale (I[4:0] sets 0% to 100%); internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "27",
        "name": "I4",
        "type": "input",
        "description": "Current set input bit 4 that scales winding current as a percentage of full-scale (I[4:0] sets 0% to 100%); internal pulldown of approximately 100 kΩ."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "29",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The datasheet pin table does not list pin 22. It is labeled NC on the top view, and its number was i; The exposed thermal pad (GND PPAD) has no numbered lead. It is not included as a pin; it should be t; nFAULT is open-drain. The ERC class list has no open-drain type, so it is mapped to 'output'; an ext",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1078,
        "at": "2026-10-12T10:22:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8842-ep",
        "pages": 25,
        "sha256": "2d8387d8c2ec0336",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8842mpwprep-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4e889f17c1923591eeba930716cf56b802cd7196ee7a1189cde51148853a59e1",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-28-EP",
      "Category": "Motor Driver ICs",
      "Pins": "29"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "drv8842mpwprep"
  ],
  "discovery_pitch": "DRV8842MPWPREP (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}