AMT49413GEVATR

{
  "schema_version": 1,
  "type": "component",
  "slug": "amt49413gevatr",
  "title": "AMT49413GEVATR",
  "brief": "Allegro MicroSystems LLC Brushless DC (BLDC) Motor Driver, QFN-48-EP(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "amt49413gevatr"
  ],
  "component": {
    "mpn": "AMT49413GEVATR",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893370328080384",
    "parts": {
      "symbol": "amt49413gevatr.kicad_sym",
      "footprint": "amt49413gevatr.kicad_mod",
      "model_3d": "amt49413gevatr-etched.glb",
      "model_3d_plain": "amt49413gevatr.glb",
      "model_3d_step": "amt49413gevatr-etched.step",
      "model_3d_step_plain": "amt49413gevatr.step",
      "lbr": "amt49413gevatr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie per application notes."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "input",
        "description": "Reset / sleep-mode control input. Logic-level input rated -0.3 V to 6 V absolute max; drives the device into low-current sleep mode when asserted low."
      },
      {
        "number": "3",
        "name": "V5BD",
        "type": "output",
        "description": "Internal 5 V regulator base drive. Connects to the external NPN pass-transistor base used with the on-chip 5 V regulator that powers the Hall sensors."
      },
      {
        "number": "4",
        "name": "V5",
        "type": "power_out",
        "description": "+5 V regulator reference / Hall sensor supply output. Decouple to AGND; also serves as the reference for the internal 5 V regulator."
      },
      {
        "number": "5",
        "name": "FF2",
        "type": "output",
        "description": "Fault flag output 2. Open-drain style diagnostic output; combined with FF1 to encode fault conditions (UVLO, TSD, short-to-supply, short-to-ground, shorted winding, low load)."
      },
      {
        "number": "6",
        "name": "FF1",
        "type": "output",
        "description": "Fault flag output 1. Open-drain style diagnostic output; combined with FF2 to encode fault conditions."
      },
      {
        "number": "7",
        "name": "TACHO",
        "type": "output",
        "description": "Tachometer / speed output. Digital pulse output indicating commutation events; usable as motor speed feedback."
      },
      {
        "number": "8",
        "name": "BRAKE",
        "type": "input",
        "description": "Brake input. Logic-level input rated -0.3 V to 7 V absolute max; when asserted, forces a dynamic brake state on the outputs."
      },
      {
        "number": "9",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input. Logic-level input selecting motor rotation direction (forward/reverse)."
      },
      {
        "number": "10",
        "name": "H1",
        "type": "input",
        "description": "Hall-effect sensor input 1. Digital input from the motor's Hall sensor for phase commutation decoding."
      },
      {
        "number": "11",
        "name": "H2",
        "type": "input",
        "description": "Hall-effect sensor input 2. Digital input from the motor's Hall sensor for phase commutation decoding."
      },
      {
        "number": "12",
        "name": "H3",
        "type": "input",
        "description": "Hall-effect sensor input 3. Digital input from the motor's Hall sensor for phase commutation decoding."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "14",
        "name": "PWM",
        "type": "input",
        "description": "PWM control input. Logic-level input used for speed/torque control; can chop the drive to set effective duty cycle while the internal current limit sets peak current."
      },
      {
        "number": "15",
        "name": "MODE",
        "type": "input",
        "description": "Decay mode control input. Selects fast/slow current-decay mode for the internal PWM current regulator."
      },
      {
        "number": "16",
        "name": "RC",
        "type": "passive",
        "description": "PWM oscillator RC timing pin. Connect an external RC (RT, CT) network to set the fixed PWM current-control frequency; tie directly to AGND to disable the internal PWM oscillator."
      },
      {
        "number": "17",
        "name": "TEST",
        "type": "input",
        "description": "Factory test pin. Must be tied to AGND in normal operation."
      },
      {
        "number": "18",
        "name": "RDEAD",
        "type": "passive",
        "description": "Dead-time setting pin. External resistor to AGND sets the cross-conduction / dead-time between high- and low-side gate transitions."
      },
      {
        "number": "19",
        "name": "CSOUT",
        "type": "output",
        "description": "Current-sense amplifier output. Buffered analog output of the internal current-sense amplifier for monitoring load current. Rated -0.3 V to 6.5 V absolute max."
      },
      {
        "number": "20",
        "name": "REF",
        "type": "input",
        "description": "Current-limit reference input. Analog reference voltage that, together with the external sense resistor, sets the peak load current limit."
      },
      {
        "number": "21",
        "name": "CSN",
        "type": "input",
        "description": "Negative differential current-sense input. Connect across the external low-side sense resistor together with CSP. Rated -4 V to 6.5 V absolute max."
      },
      {
        "number": "22",
        "name": "CSP",
        "type": "input",
        "description": "Positive differential current-sense input. Connect across the external low-side sense resistor together with CSN. Rated -4 V to 6.5 V absolute max."
      },
      {
        "number": "23",
        "name": "VDSTH",
        "type": "input",
        "description": "VDS fault threshold voltage input. Analog input that sets the threshold used by the MOSFET VDS monitor for short-circuit / desat detection. Rated -0.3 V to 6.5 V absolute max."
      },
      {
        "number": "24",
        "name": "VDRAIN",
        "type": "input",
        "description": "High-side MOSFET drain voltage sense input. Connect to the common drain node of the high-side FETs (motor supply); used for VDS monitoring and drain reference. Rated -0.3 V to 55 V absolute max."
      },
      {
        "number": "25",
        "name": "SC",
        "type": "input",
        "description": "Motor phase-C connection / high-side source sense. Connect to the source of the phase-C high-side MOSFET (and drain of the low-side FET); reference for the phase-C bootstrap capacitor and floating high-side driver. Rated -5 V to 55 V absolute max."
      },
      {
        "number": "26",
        "name": "GHC",
        "type": "output",
        "description": "High-side gate drive output, phase C. Drives the gate of the phase-C high-side N-channel MOSFET. Output range VSC to VSC+15 V."
      },
      {
        "number": "27",
        "name": "CC",
        "type": "passive",
        "description": "Phase-C bootstrap capacitor pin. Connect a bootstrap capacitor between CC and SC to supply the floating high-side gate driver for phase C. Voltage range VSC + 15 V max."
      },
      {
        "number": "28",
        "name": "SB",
        "type": "input",
        "description": "Motor phase-B connection / high-side source sense. Connect to the source of the phase-B high-side MOSFET (and drain of the low-side FET); reference for the phase-B bootstrap capacitor. Rated -5 V to 55 V absolute max."
      },
      {
        "number": "29",
        "name": "GHB",
        "type": "output",
        "description": "High-side gate drive output, phase B. Drives the gate of the phase-B high-side N-channel MOSFET. Output range VSB to VSB+15 V."
      },
      {
        "number": "30",
        "name": "CB",
        "type": "passive",
        "description": "Phase-B bootstrap capacitor pin. Connect a bootstrap capacitor between CB and SB to supply the floating high-side gate driver for phase B."
      },
      {
        "number": "31",
        "name": "SA",
        "type": "input",
        "description": "Motor phase-A connection / high-side source sense. Connect to the source of the phase-A high-side MOSFET (and drain of the low-side FET); reference for the phase-A bootstrap capacitor. Rated -5 V to 55 V absolute max."
      },
      {
        "number": "32",
        "name": "GHA",
        "type": "output",
        "description": "High-side gate drive output, phase A. Drives the gate of the phase-A high-side N-channel MOSFET. Output range VSA to VSA+15 V."
      },
      {
        "number": "33",
        "name": "CA",
        "type": "passive",
        "description": "Phase-A bootstrap capacitor pin. Connect a bootstrap capacitor between CA and SA to supply the floating high-side gate driver for phase A."
      },
      {
        "number": "34",
        "name": "GLC",
        "type": "output",
        "description": "Low-side gate drive output, phase C. Drives the gate of the phase-C low-side N-channel MOSFET, referenced to LSS. Rated -5 V to 16 V absolute max."
      },
      {
        "number": "35",
        "name": "GLB",
        "type": "output",
        "description": "Low-side gate drive output, phase B. Drives the gate of the phase-B low-side N-channel MOSFET, referenced to LSS. Rated -5 V to 16 V absolute max."
      },
      {
        "number": "36",
        "name": "GLA",
        "type": "output",
        "description": "Low-side gate drive output, phase A. Drives the gate of the phase-A low-side N-channel MOSFET, referenced to LSS. Rated -5 V to 16 V absolute max."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "38",
        "name": "LSS",
        "type": "power_in",
        "description": "Low-side MOSFET source / common return. Connect to the common source of the low-side power MOSFETs and to the top of the external current-sense resistor; reference for the low-side gate drivers. Rated -4 V to 6.5 V absolute max."
      },
      {
        "number": "39",
        "name": "ESF",
        "type": "input",
        "description": "Enable-stop-on-fault input. Logic-level input; when enabled, causes the driver to disable outputs on latched fault conditions."
      },
      {
        "number": "40",
        "name": "VREG",
        "type": "power_out",
        "description": "Internal gate-drive regulator output. Regulated supply for the low-side gate drivers and bootstrap top-up; decouple to AGND with a ceramic capacitor."
      },
      {
        "number": "41",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground. Reference for the analog circuitry, timing network, and current-sense amplifier; connect to the exposed thermal pad and to system ground per PCB guidance."
      },
      {
        "number": "42",
        "name": "CP1",
        "type": "passive",
        "description": "Charge-pump flying capacitor terminal 1. Connect an external ceramic capacitor between CP1 and CP2 for the on-chip charge-pump regulator (provides >10 V gate drive down to 7 V VBB)."
      },
      {
        "number": "43",
        "name": "CP2",
        "type": "passive",
        "description": "Charge-pump flying capacitor terminal 2. Connect the external charge-pump capacitor between CP1 and CP2."
      },
      {
        "number": "44",
        "name": "DIRO",
        "type": "output",
        "description": "Direction indicator output. Logic-level output reporting the currently selected motor rotation direction."
      },
      {
        "number": "45",
        "name": "VBB",
        "type": "power_in",
        "description": "Load / battery supply voltage input. Main power supply pin; operating range 5.5 V to 50 V (absolute max -0.3 V to 50 V). Decouple with bulk and local ceramic capacitors."
      },
      {
        "number": "46",
        "name": "COAST",
        "type": "input",
        "description": "Coast input. Logic-level input; when asserted, disables all gate drives so the motor coasts (all FETs off)."
      },
      {
        "number": "47",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "48",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "49",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on package underside. Tie to AGND and to a copper ground plane with thermal vias for heat dissipation; RθJP = 2 °C/W."
      }
    ],
    "provenance": {
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        "sha256": "8ce78a6c34f09a58",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "QFN-48-EP(7x7)",
      "Category": "Motor Driver ICs",
      "Pins": "49"
    }
  },
  "variants": [
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      "mpn": "AMT49413GEVATR",
      "kind": "packaging"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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