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Name	Last commit message	Last updated
docs	drv8813pwpr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
viewers	drv8813pwpr: viewers · Ray	1mo ago
drv8813pwpr-etched.fit.json	drv8813pwpr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
drv8813pwpr-etched.glb	drv8813pwpr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
drv8813pwpr-etched.step	drv8813pwpr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
drv8813pwpr.glb	Publish 0.1.0 · Ray	1mo ago
drv8813pwpr.kicad_mod	Publish 0.1.0 · Ray	1mo ago
drv8813pwpr.kicad_sym	Publish 0.1.0 · Ray	1mo ago
drv8813pwpr.lbr	Publish 0.1.0 · Ray	1mo ago
drv8813pwpr.step	Publish 0.1.0 · Ray	1mo ago
package.json	drv8813pwpr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray	1mo ago
page.json	drv8813pwpr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray	1mo ago
README.md	Initial commit: component/drv8813pwpr · Ray	1mo ago

DRV8813PWPR

Texas Instruments · Stepper Motor Driver · HTSSOP-28-EP

DRV8813PWPR from Texas Instruments, in a HTSSOP-28-EP. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	CP1	bidirectional	Charge pump flying capacitor connection; connect 0.01 µF capacitor between CP1 and CP2.
2	CP2	bidirectional	Charge pump flying capacitor connection; connect 0.01 µF capacitor between CP1 and CP2.
3	VCP	power_out	High-side gate drive voltage output; bypass with 0.1 µF 16 V capacitor to ground and 1 MΩ resistor to VM.
4	VMA	power_in	Bridge A motor power supply input; 8.2 V to 45 V operating range, bypass with 0.1 µF capacitor to ground.
5	AOUT1	output	Bridge A output 1; maximum 2.5 A continuous output current at 24 V, connect to motor winding A.
6	ISENA	bidirectional	Bridge A current sense input/ground; connect current sense resistor between motor winding and this pin to ground.
7	AOUT2	output	Bridge A output 2; maximum 2.5 A continuous output current at 24 V, connect to motor winding A.
8	BOUT2	output	Bridge B output 2; maximum 2.5 A continuous output current at 24 V, connect to motor winding B.
9	ISENB	bidirectional	Bridge B current sense input/ground; connect current sense resistor between motor winding and this pin to ground.
10	BOUT1	output	Bridge B output 1; maximum 2.5 A continuous output current at 24 V, connect to motor winding B.
11	VMB	power_in	Bridge B motor power supply input; 8.2 V to 45 V operating range, bypass with 0.1 µF capacitor to ground.
12	AVREF	input	Bridge A current reference input; 1 V to 3.5 V nominal range, sets full-scale winding current with gain of 5 V/V.
13	BVREF	input	Bridge B current reference input; 1 V to 3.5 V nominal range, sets full-scale winding current with gain of 5 V/V.
14	GND	power_in	Device ground; connect to system ground for power return and reference.
15	V3P3OUT	power_out	3.3 V regulated output; output voltage 3.2 V to 3.4 V at 0 to 1 mA load current, bypass with 0.47 µF 6.3 V capacitor.
16	nRESET	input	Active-low reset input; initializes internal logic and disables H-bridge outputs, internal 100 kΩ pulldown.
17	nSLEEP	input	Sleep mode input; logic high for normal operation, logic low for low-power sleep mode with ~10 µA quiescent current.
18	nFAULT	output	Fault indicator open-drain output; active low during overtemperature (>150°C) or overcurrent (>3 A) fault condition.
19	DECAY	input	Decay mode selection input; low for slow decay, open for mixed decay, high for fast decay, internal 130 kΩ pullup and 80 kΩ pulldown.
20	APHASE	input	Bridge A phase direction control input; logic high sets AOUT1 high and AOUT2 low, internal 100 kΩ pulldown.
21	AENBL	input	Bridge A enable input; logic high to enable bridge A motor driver output, internal 100 kΩ pulldown.
22	BENBL	input	Bridge B enable input; logic high to enable bridge B motor driver output, internal 100 kΩ pulldown.
23	BPHASE	input	Bridge B phase direction control input; logic high sets BOUT1 high and BOUT2 low, internal 100 kΩ pulldown.
24	AI0	input	Bridge A current set input bit 0; with AI1 selects 100%, 71%, 38%, or 0% of full-scale output current.
25	AI1	input	Bridge A current set input bit 1; with AI0 selects 100%, 71%, 38%, or 0% of full-scale output current.
26	BI0	input	Bridge B current set input bit 0; with BI1 selects 100%, 71%, 38%, or 0% of full-scale output current.
27	BI1	input	Bridge B current set input bit 1; with BI0 selects 100%, 71%, 38%, or 0% of full-scale output current.
28	GND	power_in	Device ground; connect to system ground for power return and reference.
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-EP
Category	Motor Driver ICs
Pins	29

CAD (KiCad official)

Symbol: DRV8813PWPR
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: drv8813pwpr-etched.step / drv8813pwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); drv8813pwpr.step / drv8813pwpr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (30 pp, sha256 72c10d5d4a5a164e, retrieved 2026-09-23, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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