component
DRV8845RHHR
Public Made by Adomby adom
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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{
"schema_version": 1,
"type": "component",
"slug": "drv8845rhhr",
"title": "DRV8845RHHR",
"brief": "Texas Instruments Stepper Motor Driver, VQFN-36(6x6). 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",
"drv8845rhhr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DRV8845RHHR",
"manufacturer": "Texas Instruments",
"package": "VQFN-36(6x6)",
"pin_count": 37,
"category": "Motor Driver ICs",
"subcategory": "Stepper Motor Driver",
"datasheet": "https://www.ti.com/lit/ds/symlink/drv8845.pdf",
"parts": {
"symbol": "drv8845rhhr.kicad_sym",
"footprint": "drv8845rhhr.kicad_mod",
"model_3d": "drv8845rhhr-hero.glb",
"model_3d_plain": "drv8845rhhr-etched.glb",
"model_3d_step": "drv8845rhhr-etched.step",
"model_3d_step_plain": "drv8845rhhr.step",
"lbr": "drv8845rhhr.lbr"
},
"distributor_links": {
"lcsc": "C20345375",
"digikey": "296-DRV8845RHHRTR-ND",
"mouser": "595-DRV8845RHHR"
},
"distributor_check": {
"checked_at": "2026-11-10T07:28:25Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DRV8845RHHRTR-ND",
"status": "found"
},
"mouser": {
"pn": "595-DRV8845RHHR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "I04",
"type": "input",
"description": "Control input for H-Bridge 4; logic input with a 0 V to 5.5 V recommended control input range, and it must be left OPEN when H-Bridges 3 and 4 are paralleled."
},
{
"number": "2",
"name": "OUT1A",
"type": "output",
"description": "H-Bridge 1 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "3",
"name": "SENSE1",
"type": "output",
"description": "Sense resistor terminal for H-Bridge 1; the SENSE1 pin voltage must stay within ±500 mV."
},
{
"number": "4",
"name": "OUT1B",
"type": "output",
"description": "H-Bridge 1 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "5",
"name": "VM1",
"type": "power_in",
"description": "Supply voltage pin with a 4.5 V to 38 V recommended operating range; it should be connected to the VM2 pin close to the device."
},
{
"number": "6",
"name": "OUT2B",
"type": "output",
"description": "H-Bridge 2 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "7",
"name": "SENSE2",
"type": "output",
"description": "Sense resistor terminal for H-Bridge 2; the SENSE2 pin voltage must stay within ±500 mV."
},
{
"number": "8",
"name": "OUT2A",
"type": "output",
"description": "H-Bridge 2 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "9",
"name": "PHASE4",
"type": "input",
"description": "Control input for H-Bridge 4 that sets the output current direction; leave OPEN when H-Bridges 3 and 4 are paralleled."
},
{
"number": "10",
"name": "PHASE3",
"type": "input",
"description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
},
{
"number": "11",
"name": "nSLEEP",
"type": "input",
"description": "Sleep mode input; logic high enables the device and logic low enters low-power sleep mode, with an internal pulldown resistor and a -0.3 V to 5.75 V absolute maximum rating."
},
{
"number": "12",
"name": "VREF1",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 1; 0 V to 1.5 V recommended."
},
{
"number": "13",
"name": "VREF2",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 2; 0 V to 1.5 V recommended."
},
{
"number": "14",
"name": "VREF3",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 3; it alone controls the combined bridge current when H-Bridges 3 and 4 are paralleled."
},
{
"number": "15",
"name": "VREF4",
"type": "input",
"description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 4; it is ignored when H-Bridges 3 and 4 are paralleled and should be left OPEN in that case."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Analog ground; all device voltages are referenced with respect to this pin."
},
{
"number": "17",
"name": "PHASE2",
"type": "input",
"description": "Control input for H-Bridge 2 that sets the output current direction."
},
{
"number": "18",
"name": "PHASE1",
"type": "input",
"description": "Control input for H-Bridge 1 that sets the output current direction."
},
{
"number": "19",
"name": "I14",
"type": "input",
"description": "Control input for H-Bridge 4; leave OPEN when H-Bridges 3 and 4 are paralleled."
},
{
"number": "20",
"name": "OUT4A",
"type": "output",
"description": "H-Bridge 4 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "21",
"name": "SENSE4",
"type": "output",
"description": "Sense resistor terminal for H-Bridge 4; the SENSE4 pin voltage must stay within ±500 mV."
},
{
"number": "22",
"name": "OUT4B",
"type": "output",
"description": "H-Bridge 4 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "23",
"name": "VM2",
"type": "power_in",
"description": "Supply voltage pin with a 4.5 V to 38 V recommended operating range; it should be connected to the VM1 pin close to the device."
},
{
"number": "24",
"name": "OUT3B",
"type": "output",
"description": "H-Bridge 3 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "25",
"name": "SENSE3",
"type": "output",
"description": "Sense resistor terminal for H-Bridge 3; the SENSE3 pin voltage must stay within ±500 mV."
},
{
"number": "26",
"name": "OUT3A",
"type": "output",
"description": "H-Bridge 3 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
},
{
"number": "27",
"name": "I13",
"type": "input",
"description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
},
{
"number": "28",
"name": "I12",
"type": "input",
"description": "Control input for H-Bridge 2 (logic input, 0 V to 5.5 V recommended)."
},
{
"number": "29",
"name": "I11",
"type": "input",
"description": "Control input for H-Bridge 1 (logic input, 0 V to 5.5 V recommended)."
},
{
"number": "30",
"name": "PGND",
"type": "power_in",
"description": "Power ground for the device."
},
{
"number": "31",
"name": "VCP",
"type": "power_out",
"description": "Charge pump reservoir capacitor terminal; the VCP operating voltage is VVM + 5 V when VVM is above 6 V."
},
{
"number": "32",
"name": "CP1",
"type": "passive",
"description": "Charge pump capacitor terminal; a ceramic flying capacitor is connected between CP1 and CP2."
},
{
"number": "33",
"name": "CP2",
"type": "passive",
"description": "Charge pump capacitor terminal and negative switching pin; absolute maximum voltage is -0.3 V to VVM."
},
{
"number": "34",
"name": "I01",
"type": "input",
"description": "Control input for H-Bridge 1 (logic input, 0 V to 5.5 V recommended)."
},
{
"number": "35",
"name": "I02",
"type": "input",
"description": "Control input for H-Bridge 2 (logic input, 0 V to 5.5 V recommended)."
},
{
"number": "36",
"name": "I03",
"type": "input",
"description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
},
{
"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-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Package match confirmed: the orderable addendum lists DRV8845RHHR as VQFN (RHH), 36 pins, 6 mm x 6 m; The exposed thermal pad (listed as PAD with no number, shown as '-' in the pin table) is not include; The datasheet's Table 5-1 classifies SENSE1-SENSE4 as 'O' (output). They are typed here as output to",
"exposed pad 37 added from the footprint"
],
"pages_sent": 35,
"cost_usd": 0.1294,
"at": "2026-11-10T07:28:11"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/drv8845.pdf",
"pages": 35,
"sha256": "29a595b6de77a2c7",
"source_tier": "mfr"
},
"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"
},
"models_3d": [
{
"file": "drv8845rhhr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
"checked": "2026-11-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "drv8845rhhr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "2d2e7b31c8f99676c6e32882f426c2ddff71dea56a646ff59b1801b292cf6345",
"checked": "2026-11-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RHH0036H",
"source_page": 32,
"D": {
"nom_mm": 6,
"range_mm": [
5.9,
6.1
]
},
"E1": {
"nom_mm": 6,
"range_mm": [
5.9,
6.1
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.9,
"range_mm": [
0.8,
1
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "drv8845rhhr.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-36(6x6)",
"Category": "Motor Driver ICs",
"Pins": "37"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "29a595b6de77a2c7d4787d99158c2e6b3a33b40a763561688ce13f85a7caeef7",
"rows": [
{
"name": "Power supply voltage (VMx)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Charge pump voltage (VCP, CP1); max printed as VVM + 7",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Charge pump negative switching pin (CP2); max printed as VVM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Sleep mode input voltage (nSLEEP)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.75,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Control input voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.75,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "SENSEx pin voltage (VSENSEx)",
"symbol": "VSENSEx",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "SENSEx pin voltage (VSENSEx) for < 1 us",
"symbol": "VSENSEx",
"kind": "absolute_maximum",
"unit": "V",
"min": -2.5,
"typ": null,
"max": 2.5,
"conditions": "for < 1 μs",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Reference input pin voltage (VREFx)",
"symbol": "VREFx",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.75,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Continuous phase node pin voltage (OUTxA, OUTxB); max printed as VVM + 1",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": null,
"conditions": "Continuous",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Transient 100 ns phase node pin voltage (OUTxA, OUTxB); max printed as VVM + 3",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": null,
"conditions": "100 ns transient",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "A",
"min": 0,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply voltage range for normal (DC) operation",
"symbol": "VVM",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 38,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Control input voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Reference voltage (VREFx)",
"symbol": "VREFx",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 1.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "VM operating supply current, outputs on",
"symbol": "IVM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 9,
"max": 14,
"conditions": "nSLEEP = 1, IOUT = 0 mA, outputs on, PWM = 50 kHz, DC = 50%",
"source_page": 7,
"source": "datasheet"
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{
"name": "VM operating supply current, outputs off",
"symbol": "IVM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.5,
"max": 4.5,
"conditions": "nSLEEP = 1, Outputs off",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VM sleep supply current",
"symbol": "IVM",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1.3,
"max": 3,
"conditions": "nSLEEP = 0",
"source_page": 7,
"source": "datasheet"
},
{
"name": "nSLEEP reset pulse",
"symbol": "tRESET",
"kind": "timing",
"unit": "μs",
"min": 20,
"typ": null,
"max": 40,
"conditions": "nSLEEP low to clear fault",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Wake-up time",
"symbol": "tWAKE",
"kind": "timing",
"unit": "ms",
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