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DRV8811PWP
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Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+65@@ -0,0 +1,65 @@+# DRV8811PWP++**Texas Instruments** · Stepper Motor Driver · HTSSOP-28-EP++DRV8811PWP from Texas Instruments, in a HTSSOP-28-EP. 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 | ISENA | input | Bridge A current sense input; connect to sense resistor for winding A current control. |+| 2 | HOMEn | output | Home position output; logic low when stepper motor is at home state, logic high at other states. |+| 3 | DIR | input | Direction control input; logic level sets stepper motor stepping direction. |+| 4 | AOUT1 | tri_state | H-bridge output 1 for connection to bipolar stepper motor winding A. |+| 5 | DECAY | input | Decay mode select input requiring bypass to GND with 0.1-μF ceramic capacitor. |+| 6 | RCA | input | Bridge A blanking and off-time adjust node; connect parallel RC network to GND. |+| 7 | GND | power_in | Device ground connection. |+| 8 | VREF | power_in | Winding current reference voltage input for setting drive current magnitude. |+| 9 | RCB | input | Bridge B blanking and off-time adjust node; connect parallel RC network to GND. |+| 10 | VCC | power_in | Logic power supply (3-5 V) with 0.1-μF bypass capacitor to GND. |+| 11 | BOUT1 | tri_state | H-bridge output 1 for connection to bipolar stepper motor winding B. |+| 12 | USM1 | input | Microstep mode select input bit 1; with USM0 configures full/half/quarter/eighth-step resolution. |+| 13 | USM0 | input | Microstep mode select input bit 0; with USM1 configures full/half/quarter/eighth-step resolution. |+| 14 | ISENB | input | Bridge B current sense input; connect to sense resistor for winding B current control. |+| 15 | VMB | power_in | Bridge B motor power supply (8-38 V); must be connected to same supply as VMA. |+| 16 | SRn | input | Synchronous rectification enable input; active-low with internal pulldown. |+| 17 | RESETn | input | Active-low reset input that initializes indexer logic and disables H-bridge outputs. |+| 18 | BOUT2 | tri_state | H-bridge output 2 for stepper motor winding B with positive current direction BOUT1→BOUT2. |+| 19 | STEP | input | Rising edge step input that advances stepper indexer one position. |+| 20 | VGD | power_in | Low-side gate drive supply with 0.22-μF bypass capacitor to GND. |+| 21 | GND | power_in | Device ground connection. |+| 22 | VCP | power_in | High-side gate drive supply requiring 0.22-μF ceramic capacitor connection to VM. |+| 23 | CP1 | power_in | Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2. |+| 24 | CP2 | power_in | Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2. |+| 25 | AOUT2 | tri_state | H-bridge output 2 for stepper motor winding A with positive current direction AOUT1→AOUT2. |+| 26 | ENABLEn | input | Active-low enable input; logic high disables device outputs. |+| 27 | SLEEPn | input | Sleep mode input; logic low enters low-power sleep mode. |+| 28 | VMA | power_in | Bridge A motor power supply (8-38 V); must be connected to same supply as VMB. |+| 29 | PAD | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-28-EP |+| Category | Motor Driver ICs |+| Pins | 29 |++## CAD (KiCad official)++- Symbol: `DRV8811PWP`+- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`+- 3D model: HTSSOP-28-EP (KiCad packages3D, STEP)+- 3D model files: `drv8811pwp-etched.step` / `drv8811pwp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8811pwp.step` / `drv8811pwp.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/drv8811) (33 pp, sha256 `0b8de04cb904145e`, retrieved 2026-10-06, 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/drv8811pwp-datasheet.pdf)
page.jsonadded+288@@ -0,0 +1,288 @@+{+ "slug": "drv8811pwp",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "motor driver ics",+ "drv8811pwp",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv8811pwp.kicad_sym",+ "drv8811pwp.kicad_mod",+ "drv8811pwp.glb",+ "drv8811pwp.step",+ "drv8811pwp.lbr",+ "docs/hero.png",+ "docs/drv8811pwp-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "drv8811pwp-hero.glb",+ "drv8811pwp-hero.overlay.json"+ ],+ "component": {+ "mpn": "DRV8811PWP",+ "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/drv8811",+ "parts": {+ "symbol": "drv8811pwp.kicad_sym",+ "footprint": "drv8811pwp.kicad_mod",+ "model_3d": "drv8811pwp-hero.glb",+ "model_3d_plain": "drv8811pwp.glb",+ "model_3d_step": "drv8811pwp-etched.step",+ "model_3d_step_plain": "drv8811pwp.step",+ "lbr": "drv8811pwp.lbr"+ },+ "distributor_links": {+ "lcsc": 1556868,+ "digikey": "296-25379-5-ND",+ "mouser": "595-DRV8811PWP"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T00:29:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-25379-5-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-DRV8811PWP",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "ISENA",+ "type": "input",+ "description": "Bridge A current sense input; connect to sense resistor for winding A current control."+ },+ {+ "number": "2",+ "name": "HOMEn",+ "type": "output",+ "description": "Home position output; logic low when stepper motor is at home state, logic high at other states."+ },+ {+ "number": "3",+ "name": "DIR",+ "type": "input",+ "description": "Direction control input; logic level sets stepper motor stepping direction."+ },+ {+ "number": "4",+ "name": "AOUT1",+ "type": "tri_state",+ "description": "H-bridge output 1 for connection to bipolar stepper motor winding A."+ },+ {+ "number": "5",+ "name": "DECAY",+ "type": "input",+ "description": "Decay mode select input requiring bypass to GND with 0.1-μF ceramic capacitor."+ },+ {+ "number": "6",+ "name": "RCA",+ "type": "input",+ "description": "Bridge A blanking and off-time adjust node; connect parallel RC network to GND."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground connection."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_in",+ "description": "Winding current reference voltage input for setting drive current magnitude."+ },+ {+ "number": "9",+ "name": "RCB",+ "type": "input",+ "description": "Bridge B blanking and off-time adjust node; connect parallel RC network to GND."+ },+ {+ "number": "10",+ "name": "VCC",+ "type": "power_in",+ "description": "Logic power supply (3-5 V) with 0.1-μF bypass capacitor to GND."+ },+ {+ "number": "11",+ "name": "BOUT1",+ "type": "tri_state",+ "description": "H-bridge output 1 for connection to bipolar stepper motor winding B."+ },+ {+ "number": "12",+ "name": "USM1",+ "type": "input",+ "description": "Microstep mode select input bit 1; with USM0 configures full/half/quarter/eighth-step resolution."+ },+ {+ "number": "13",+ "name": "USM0",+ "type": "input",+ "description": "Microstep mode select input bit 0; with USM1 configures full/half/quarter/eighth-step resolution."+ },+ {+ "number": "14",+ "name": "ISENB",+ "type": "input",+ "description": "Bridge B current sense input; connect to sense resistor for winding B current control."+ },+ {+ "number": "15",+ "name": "VMB",+ "type": "power_in",+ "description": "Bridge B motor power supply (8-38 V); must be connected to same supply as VMA."+ },+ {+ "number": "16",+ "name": "SRn",+ "type": "input",+ "description": "Synchronous rectification enable input; active-low with internal pulldown."+ },+ {+ "number": "17",+ "name": "RESETn",+ "type": "input",+ "description": "Active-low reset input that initializes indexer logic and disables H-bridge outputs."+ },+ {+ "number": "18",+ "name": "BOUT2",+ "type": "tri_state",+ "description": "H-bridge output 2 for stepper motor winding B with positive current direction BOUT1→BOUT2."+ },+ {+ "number": "19",+ "name": "STEP",+ "type": "input",+ "description": "Rising edge step input that advances stepper indexer one position."+ },+ {+ "number": "20",+ "name": "VGD",+ "type": "power_in",+ "description": "Low-side gate drive supply with 0.22-μF bypass capacitor to GND."+ },+ {+ "number": "21",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground connection."+ },+ {+ "number": "22",+ "name": "VCP",+ "type": "power_in",+ "description": "High-side gate drive supply requiring 0.22-μF ceramic capacitor connection to VM."+ },+ {+ "number": "23",+ "name": "CP1",+ "type": "power_in",+ "description": "Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2."+ },+ {+ "number": "24",+ "name": "CP2",+ "type": "power_in",+ "description": "Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2."+ },+ {+ "number": "25",+ "name": "AOUT2",+ "type": "tri_state",+ "description": "H-bridge output 2 for stepper motor winding A with positive current direction AOUT1→AOUT2."+ },+ {+ "number": "26",+ "name": "ENABLEn",+ "type": "input",+ "description": "Active-low enable input; logic high disables device outputs."+ },+ {+ "number": "27",+ "name": "SLEEPn",+ "type": "input",+ "description": "Sleep mode input; logic low enters low-power sleep mode."+ },+ {+ "number": "28",+ "name": "VMA",+ "type": "power_in",+ "description": "Bridge A motor power supply (8-38 V); must be connected to same supply as VMB."+ },+ {+ "number": "29",+ "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 29 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.1753,+ "at": "2026-10-06T00:29:00"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/drv8811",+ "pages": 33,+ "sha256": "0b8de04cb904145e",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 29,+ "described": 29,+ "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]"+ }+}