component
DRV8849RHHR
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Texas Instruments Stepper Motor Driver, VQFN-36(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+73@@ -0,0 +1,73 @@+# DRV8849RHHR++**Texas Instruments** · Stepper Motor Driver · VQFN-36(6x6)++DRV8849RHHR from Texas Instruments, in a VQFN-36(6x6). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | MODE12 | input | Microstep mode setting input for Stepper 2 (0 to 5.5 V logic). |+| 2 | OUT1A | tri_state | H-Bridge 1 output A motor driver, -1 to VM+1 V continuous operation. |+| 3 | PGND1 | power_in | Power ground for H-Bridge 1, ±0.5 V continuous tolerance. |+| 4 | OUT1B | tri_state | H-Bridge 1 output B motor driver, -1 to VM+1 V continuous operation. |+| 5 | VM1 | power_in | Supply voltage input, 4.5 to 38 V, connect close to VM2. |+| 6 | OUT2B | tri_state | H-Bridge 2 output B motor driver, -1 to VM+1 V continuous operation. |+| 7 | PGND2 | power_in | Power ground for H-Bridge 2, ±0.5 V continuous tolerance. |+| 8 | OUT2A | tri_state | H-Bridge 2 output A motor driver, -1 to VM+1 V continuous operation. |+| 9 | ENABLE2 | input | Enable input for Stepper 2 (0 to 5.5 V logic), logic low disables Hi-Z outputs. |+| 10 | STEP2 | input | Step input signal for Stepper 2, supports 0 to 500 kHz frequency. |+| 11 | nSLEEP | input | Sleep mode input (-0.3 to 5.75 V), logic low enables 1.3 μA sleep mode. |+| 12 | nFAULT1 | output | Open-drain fault diagnostics output for Stepper 1, 0 to 10 mA. |+| 13 | VREF1 | input | Reference voltage input for Stepper 1 (0 to 3.3 V), sets full-scale chopping current. |+| 14 | nFAULT2 | output | Open-drain fault diagnostics output for Stepper 2, 0 to 10 mA. |+| 15 | VREF2 | input | Reference voltage input for Stepper 2 (0 to 3.3 V), sets full-scale chopping current. |+| 16 | GND | power_in | Analog ground pin, ±0.5 V continuous tolerance. |+| 17 | DECAY2 | input | Decay mode setting for Stepper 2 (0 to 5.5 V logic), selects 8/16/32 μs off-time. |+| 18 | STEP1 | input | Step input signal for Stepper 1, supports 0 to 500 kHz frequency. |+| 19 | DECAY1 | input | Decay mode setting for Stepper 1 (0 to 5.5 V logic), selects 8/16/32 μs off-time. |+| 20 | OUT4A | tri_state | H-Bridge 4 output A motor driver, -1 to VM+1 V continuous operation. |+| 21 | PGND4 | power_in | Power ground for H-Bridge 4, ±0.5 V continuous tolerance. |+| 22 | OUT4B | tri_state | H-Bridge 4 output B motor driver, -1 to VM+1 V continuous operation. |+| 23 | VM2 | power_in | Supply voltage input, 4.5 to 38 V, connect close to VM1. |+| 24 | OUT3B | tri_state | H-Bridge 3 output B motor driver, -1 to VM+1 V continuous operation. |+| 25 | PGND3 | power_in | Power ground for H-Bridge 3, ±0.5 V continuous tolerance. |+| 26 | OUT3A | tri_state | H-Bridge 3 output A motor driver, -1 to VM+1 V continuous operation. |+| 27 | MODE02 | input | Microstep mode setting input for Stepper 2 (0 to 5.5 V logic). |+| 28 | ENABLE1 | input | Enable input for Stepper 1 (0 to 5.5 V logic), logic low disables Hi-Z outputs. |+| 29 | MODE01 | input | Microstep mode setting input for Stepper 1 (0 to 5.5 V logic). |+| 30 | GND | power_in | Analog ground pin, ±0.5 V continuous tolerance. |+| 31 | VCP | passive | Charge pump reservoir capacitor terminal (-0.3 to VM+7 V). |+| 32 | CP1 | passive | Charge pump positive capacitor terminal (-0.3 to VM+7 V). |+| 33 | CP2 | passive | Charge pump negative capacitor terminal (-0.3 to VM V). |+| 34 | DIR1 | input | Direction control input for Stepper 1 (0 to 5.5 V logic). |+| 35 | MODE11 | input | Microstep mode setting input for Stepper 1 (0 to 5.5 V logic). |+| 36 | DIR2 | input | Direction control input for Stepper 2 (0 to 5.5 V logic). |+| 37 | PAD | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-36(6x6) |+| Category | Motor Driver ICs |+| Pins | 37 |++## CAD (KiCad official)++- Symbol: `DRV8849RHHR`+- Footprint: `Package_DFN_QFN:QFN-36-1EP_6x6mm_P0.5mm_EP3.7x3.7mm`+- 3D model: VQFN-36(6x6) (KiCad packages3D, STEP)+- 3D model files: `drv8849rhhr-etched.step` / `drv8849rhhr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8849rhhr.step` / `drv8849rhhr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010808855216128) (37 pp, sha256 `59630c118f041257`, retrieved 2026-10-03, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/drv8849rhhr-datasheet.pdf)
page.jsonadded+335@@ -0,0 +1,335 @@+{+ "slug": "drv8849rhhr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Stepper Motor Driver, VQFN-36(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "motor driver ics",+ "drv8849rhhr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv8849rhhr.kicad_sym",+ "drv8849rhhr.kicad_mod",+ "drv8849rhhr.glb",+ "drv8849rhhr.step",+ "drv8849rhhr.lbr",+ "docs/hero.png",+ "docs/drv8849rhhr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "drv8849rhhr-hero.glb",+ "drv8849rhhr-hero.overlay.json"+ ],+ "component": {+ "mpn": "DRV8849RHHR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-36(6x6)",+ "pin_count": 37,+ "category": "Motor Driver ICs",+ "subcategory": "Stepper Motor Driver",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010808855216128",+ "parts": {+ "symbol": "drv8849rhhr.kicad_sym",+ "footprint": "drv8849rhhr.kicad_mod",+ "model_3d": "drv8849rhhr-hero.glb",+ "model_3d_plain": "drv8849rhhr.glb",+ "model_3d_step": "drv8849rhhr-etched.step",+ "model_3d_step_plain": "drv8849rhhr.step",+ "lbr": "drv8849rhhr.lbr"+ },+ "distributor_links": {+ "lcsc": 20345377,+ "digikey": "296-DRV8849RHHRTR-ND",+ "mouser": "595-DRV8849RHHR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T05:41:29Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-DRV8849RHHRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-DRV8849RHHR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "MODE12",+ "type": "input",+ "description": "Microstep mode setting input for Stepper 2 (0 to 5.5 V logic)."+ },+ {+ "number": "2",+ "name": "OUT1A",+ "type": "tri_state",+ "description": "H-Bridge 1 output A motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "3",+ "name": "PGND1",+ "type": "power_in",+ "description": "Power ground for H-Bridge 1, ±0.5 V continuous tolerance."+ },+ {+ "number": "4",+ "name": "OUT1B",+ "type": "tri_state",+ "description": "H-Bridge 1 output B motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "5",+ "name": "VM1",+ "type": "power_in",+ "description": "Supply voltage input, 4.5 to 38 V, connect close to VM2."+ },+ {+ "number": "6",+ "name": "OUT2B",+ "type": "tri_state",+ "description": "H-Bridge 2 output B motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "7",+ "name": "PGND2",+ "type": "power_in",+ "description": "Power ground for H-Bridge 2, ±0.5 V continuous tolerance."+ },+ {+ "number": "8",+ "name": "OUT2A",+ "type": "tri_state",+ "description": "H-Bridge 2 output A motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "9",+ "name": "ENABLE2",+ "type": "input",+ "description": "Enable input for Stepper 2 (0 to 5.5 V logic), logic low disables Hi-Z outputs."+ },+ {+ "number": "10",+ "name": "STEP2",+ "type": "input",+ "description": "Step input signal for Stepper 2, supports 0 to 500 kHz frequency."+ },+ {+ "number": "11",+ "name": "nSLEEP",+ "type": "input",+ "description": "Sleep mode input (-0.3 to 5.75 V), logic low enables 1.3 μA sleep mode."+ },+ {+ "number": "12",+ "name": "nFAULT1",+ "type": "output",+ "description": "Open-drain fault diagnostics output for Stepper 1, 0 to 10 mA."+ },+ {+ "number": "13",+ "name": "VREF1",+ "type": "input",+ "description": "Reference voltage input for Stepper 1 (0 to 3.3 V), sets full-scale chopping current."+ },+ {+ "number": "14",+ "name": "nFAULT2",+ "type": "output",+ "description": "Open-drain fault diagnostics output for Stepper 2, 0 to 10 mA."+ },+ {+ "number": "15",+ "name": "VREF2",+ "type": "input",+ "description": "Reference voltage input for Stepper 2 (0 to 3.3 V), sets full-scale chopping current."+ },+ {+ "number": "16",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground pin, ±0.5 V continuous tolerance."+ },+ {+ "number": "17",+ "name": "DECAY2",+ "type": "input",+ "description": "Decay mode setting for Stepper 2 (0 to 5.5 V logic), selects 8/16/32 μs off-time."+ },+ {+ "number": "18",+ "name": "STEP1",+ "type": "input",+ "description": "Step input signal for Stepper 1, supports 0 to 500 kHz frequency."+ },+ {+ "number": "19",+ "name": "DECAY1",+ "type": "input",+ "description": "Decay mode setting for Stepper 1 (0 to 5.5 V logic), selects 8/16/32 μs off-time."+ },+ {+ "number": "20",+ "name": "OUT4A",+ "type": "tri_state",+ "description": "H-Bridge 4 output A motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "21",+ "name": "PGND4",+ "type": "power_in",+ "description": "Power ground for H-Bridge 4, ±0.5 V continuous tolerance."+ },+ {+ "number": "22",+ "name": "OUT4B",+ "type": "tri_state",+ "description": "H-Bridge 4 output B motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "23",+ "name": "VM2",+ "type": "power_in",+ "description": "Supply voltage input, 4.5 to 38 V, connect close to VM1."+ },+ {+ "number": "24",+ "name": "OUT3B",+ "type": "tri_state",+ "description": "H-Bridge 3 output B motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "25",+ "name": "PGND3",+ "type": "power_in",+ "description": "Power ground for H-Bridge 3, ±0.5 V continuous tolerance."+ },+ {+ "number": "26",+ "name": "OUT3A",+ "type": "tri_state",+ "description": "H-Bridge 3 output A motor driver, -1 to VM+1 V continuous operation."+ },+ {+ "number": "27",+ "name": "MODE02",+ "type": "input",+ "description": "Microstep mode setting input for Stepper 2 (0 to 5.5 V logic)."+ },+ {+ "number": "28",+ "name": "ENABLE1",+ "type": "input",+ "description": "Enable input for Stepper 1 (0 to 5.5 V logic), logic low disables Hi-Z outputs."+ },+ {+ "number": "29",+ "name": "MODE01",+ "type": "input",+ "description": "Microstep mode setting input for Stepper 1 (0 to 5.5 V logic)."+ },+ {+ "number": "30",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground pin, ±0.5 V continuous tolerance."+ },+ {+ "number": "31",+ "name": "VCP",+ "type": "passive",+ "description": "Charge pump reservoir capacitor terminal (-0.3 to VM+7 V)."+ },+ {+ "number": "32",+ "name": "CP1",+ "type": "passive",+ "description": "Charge pump positive capacitor terminal (-0.3 to VM+7 V)."+ },+ {+ "number": "33",+ "name": "CP2",+ "type": "passive",+ "description": "Charge pump negative capacitor terminal (-0.3 to VM V)."+ },+ {+ "number": "34",+ "name": "DIR1",+ "type": "input",+ "description": "Direction control input for Stepper 1 (0 to 5.5 V logic)."+ },+ {+ "number": "35",+ "name": "MODE11",+ "type": "input",+ "description": "Microstep mode setting input for Stepper 1 (0 to 5.5 V logic)."+ },+ {+ "number": "36",+ "name": "DIR2",+ "type": "input",+ "description": "Direction control input for Stepper 2 (0 to 5.5 V logic)."+ },+ {+ "number": "37",+ "name": "PAD",+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 37 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 9,+ "cost_usd": 0.1707,+ "at": "2026-10-03T05:41:06"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010808855216128",+ "pages": 37,+ "sha256": "59630c118f041257",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 37,+ "described": 37,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}