component
DRV8436PWPR
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Texas Instruments Stepper Motor Driver, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+66@@ -0,0 +1,66 @@+# DRV8436PWPR++**Texas Instruments** · Stepper Motor Driver · HTSSOP-28++DRV8436PWPR from Texas Instruments, in a HTSSOP-28. 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 | VCP | power_out | Charge pump output (VM + 5V) for high-side gate drive; connect 0.22µF 16V X7R capacitor to VM. |+| 2 | VM | power_in | Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND. |+| 3 | PGND | power_in | Power ground internally shorted to pin 12; connect to system ground on PCB. |+| 4 | NC | unconnected | No connection; do not connect this pin. |+| 5 | AOUT1 | output | Winding A motor phase output with maximum 1.1A RMS continuous current. |+| 6 | AOUT2 | output | Winding A motor phase output with maximum 1.1A RMS continuous current. |+| 7 | NC | unconnected | No connection; do not connect this pin. |+| 8 | NC | unconnected | No connection; do not connect this pin. |+| 9 | BOUT2 | output | Winding B motor phase output with maximum 1.1A RMS continuous current. |+| 10 | BOUT1 | output | Winding B motor phase output with maximum 1.1A RMS continuous current. |+| 11 | NC | unconnected | No connection; do not connect this pin. |+| 12 | PGND | power_in | Power ground internally shorted to pin 3; connect to system ground on PCB. |+| 13 | VM | power_in | Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND. |+| 14 | GND | power_in | Device ground; connect to system ground. |+| 15 | DVDD | power_out | Regulated 5V logic power supply output with 2mA maximum load; bypass to GND with 0.47µF to 1µF X7R capacitor rated 6.3V or 10V. |+| 16 | nFAULT | tri_state | Open-drain fault indicator output pulled low on fault condition; requires external pull-up resistor to 3.3V or 5V. |+| 17 | VREF | power_in | Current setting reference input voltage 0.05V to 3.3V maximum for PWM current control. |+| 18 | M0 | input | Microstepping mode setting input with internal pull-down resistor; used with M1 to select stepping resolution from full-step to 1/256 step. |+| 19 | TOFF | input | Four-level PWM off-time input selecting chopping duration of 7µs, 16µs, 24µs, or 32µs during current regulation. |+| 20 | DECAY1 | input | Decay mode selection input with internal pull-down resistor used with DECAY0 to configure current decay mode. |+| 21 | DECAY0 | input | Decay mode selection input with internal pull-down resistor used with DECAY1 to configure current decay mode. |+| 22 | M1 | input | Microstepping mode setting input with internal pull-down resistor; used with M0 to select stepping resolution from full-step to 1/256 step. |+| 23 | STEP | input | Step command input with internal pull-down resistor; rising edge advances indexer one step; maximum frequency 500kHz. |+| 24 | DIR | input | Direction control input with internal pull-down resistor; logic level selects motor stepping direction. |+| 25 | ENABLE | input | Output enable input with internal pull-up to DVDD; logic low disables motor outputs, logic high enables; selects OCP response mode. |+| 26 | nSLEEP | input | Sleep mode control input with internal pull-down resistor; logic high enables device operation, logic low enters low-power 2µA sleep mode. |+| 27 | CPL | passive | Charge pump flying capacitor return node; connect 0.022µF VM-rated X7R ceramic capacitor between CPL and CPH. |+| 28 | CPH | passive | Charge pump switching node; connect 0.022µF VM-rated X7R ceramic capacitor between CPH and CPL for charge pump operation. |+| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-28 |+| Category | Motor Driver ICs |+| Pins | 29 |++## CAD (KiCad official)++- Symbol: `DRV8436PWPR`+- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`+- 3D model: HTSSOP-28 (KiCad packages3D, STEP)+- 3D model files: `drv8436pwpr-etched.step` / `drv8436pwpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv8436pwpr.step` / `drv8436pwpr.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/drv8436) (52 pp, sha256 `8c817610402342b6`, retrieved 2026-10-03, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/drv8436pwpr-datasheet.pdf)
page.jsonadded+287@@ -0,0 +1,287 @@+{+ "slug": "drv8436pwpr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Stepper Motor Driver, HTSSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "motor driver ics",+ "drv8436pwpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv8436pwpr.kicad_sym",+ "drv8436pwpr.kicad_mod",+ "drv8436pwpr.glb",+ "drv8436pwpr.step",+ "drv8436pwpr.lbr",+ "docs/hero.png",+ "docs/drv8436pwpr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "drv8436pwpr-hero.glb",+ "drv8436pwpr-hero.overlay.json"+ ],+ "component": {+ "mpn": "DRV8436PWPR",+ "manufacturer": "Texas Instruments",+ "package": "HTSSOP-28",+ "pin_count": 29,+ "category": "Motor Driver ICs",+ "subcategory": "Stepper Motor Driver",+ "datasheet": "https://www.ti.com/cn/lit/gpn/drv8436",+ "parts": {+ "symbol": "drv8436pwpr.kicad_sym",+ "footprint": "drv8436pwpr.kicad_mod",+ "model_3d": "drv8436pwpr-hero.glb",+ "model_3d_plain": "drv8436pwpr.glb",+ "model_3d_step": "drv8436pwpr-etched.step",+ "model_3d_step_plain": "drv8436pwpr.step",+ "lbr": "drv8436pwpr.lbr"+ },+ "distributor_links": {+ "lcsc": 3681263,+ "digikey": "296-DRV8436PWPRTR-ND",+ "mouser": "595-DRV8436PWPR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T07:52:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-DRV8436PWPRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-DRV8436PWPR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCP",+ "type": "power_out",+ "description": "Charge pump output (VM + 5V) for high-side gate drive; connect 0.22µF 16V X7R capacitor to VM."+ },+ {+ "number": "2",+ "name": "VM",+ "type": "power_in",+ "description": "Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND."+ },+ {+ "number": "3",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground internally shorted to pin 12; connect to system ground on PCB."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; do not connect this pin."+ },+ {+ "number": "5",+ "name": "AOUT1",+ "type": "output",+ "description": "Winding A motor phase output with maximum 1.1A RMS continuous current."+ },+ {+ "number": "6",+ "name": "AOUT2",+ "type": "output",+ "description": "Winding A motor phase output with maximum 1.1A RMS continuous current."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; do not connect this pin."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; do not connect this pin."+ },+ {+ "number": "9",+ "name": "BOUT2",+ "type": "output",+ "description": "Winding B motor phase output with maximum 1.1A RMS continuous current."+ },+ {+ "number": "10",+ "name": "BOUT1",+ "type": "output",+ "description": "Winding B motor phase output with maximum 1.1A RMS continuous current."+ },+ {+ "number": "11",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; do not connect this pin."+ },+ {+ "number": "12",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground internally shorted to pin 3; connect to system ground on PCB."+ },+ {+ "number": "13",+ "name": "VM",+ "type": "power_in",+ "description": "Motor power supply input with range 4.5V to 48V; bypass through 0.01µF ceramic capacitors and bulk capacitor to GND."+ },+ {+ "number": "14",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground; connect to system ground."+ },+ {+ "number": "15",+ "name": "DVDD",+ "type": "power_out",+ "description": "Regulated 5V logic power supply output with 2mA maximum load; bypass to GND with 0.47µF to 1µF X7R capacitor rated 6.3V or 10V."+ },+ {+ "number": "16",+ "name": "nFAULT",+ "type": "tri_state",+ "description": "Open-drain fault indicator output pulled low on fault condition; requires external pull-up resistor to 3.3V or 5V."+ },+ {+ "number": "17",+ "name": "VREF",+ "type": "power_in",+ "description": "Current setting reference input voltage 0.05V to 3.3V maximum for PWM current control."+ },+ {+ "number": "18",+ "name": "M0",+ "type": "input",+ "description": "Microstepping mode setting input with internal pull-down resistor; used with M1 to select stepping resolution from full-step to 1/256 step."+ },+ {+ "number": "19",+ "name": "TOFF",+ "type": "input",+ "description": "Four-level PWM off-time input selecting chopping duration of 7µs, 16µs, 24µs, or 32µs during current regulation."+ },+ {+ "number": "20",+ "name": "DECAY1",+ "type": "input",+ "description": "Decay mode selection input with internal pull-down resistor used with DECAY0 to configure current decay mode."+ },+ {+ "number": "21",+ "name": "DECAY0",+ "type": "input",+ "description": "Decay mode selection input with internal pull-down resistor used with DECAY1 to configure current decay mode."+ },+ {+ "number": "22",+ "name": "M1",+ "type": "input",+ "description": "Microstepping mode setting input with internal pull-down resistor; used with M0 to select stepping resolution from full-step to 1/256 step."+ },+ {+ "number": "23",+ "name": "STEP",+ "type": "input",+ "description": "Step command input with internal pull-down resistor; rising edge advances indexer one step; maximum frequency 500kHz."+ },+ {+ "number": "24",+ "name": "DIR",+ "type": "input",+ "description": "Direction control input with internal pull-down resistor; logic level selects motor stepping direction."+ },+ {+ "number": "25",+ "name": "ENABLE",+ "type": "input",+ "description": "Output enable input with internal pull-up to DVDD; logic low disables motor outputs, logic high enables; selects OCP response mode."+ },+ {+ "number": "26",+ "name": "nSLEEP",+ "type": "input",+ "description": "Sleep mode control input with internal pull-down resistor; logic high enables device operation, logic low enters low-power 2µA sleep mode."+ },+ {+ "number": "27",+ "name": "CPL",+ "type": "passive",+ "description": "Charge pump flying capacitor return node; connect 0.022µF VM-rated X7R ceramic capacitor between CPL and CPH."+ },+ {+ "number": "28",+ "name": "CPH",+ "type": "passive",+ "description": "Charge pump switching node; connect 0.022µF VM-rated X7R ceramic capacitor between CPH and CPL for charge pump operation."+ },+ {+ "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-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": 41,+ "cost_usd": 0.2764,+ "at": "2026-10-03T07:52:30"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/drv8436",+ "pages": 52,+ "sha256": "8c817610402342b6",+ "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]"+ }+}