component

DRV8803DWR

Public Made by Adom

by adom

Texas Instruments Stepper Motor Driver, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DRV8803DWR

Texas Instruments · Stepper Motor Driver · SOIC-20-300mil

DRV8803DWR from Texas Instruments, in a SOIC-20-300mil. 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 VM power_in Device power supply voltage input, operating range 8.2V to 60V for motor or inductive load supply
2 VCLAMP passive Catch diode clamp voltage connection point for inductive load energy dissipation; connect to VM supply or external Zener/TVS diode to VM
3 OUT1 output Low-side switch output for channel 1 connected to load 1; drives low when IN1 = 1, maximum output voltage 65V
4 OUT2 output Low-side switch output for channel 2 connected to load 2; drives low when IN2 = 1, maximum output voltage 65V
5 GND power_in Device ground connection; all ground pins must be grounded
6 GND power_in Device ground connection; all ground pins must be grounded
7 GND power_in Device ground connection; all ground pins must be grounded
8 OUT3 output Low-side switch output for channel 3 connected to load 3; drives low when IN3 = 1, maximum output voltage 65V
9 OUT4 output Low-side switch output for channel 4 connected to load 4; drives low when IN4 = 1, maximum output voltage 65V
10 nENBL input Active-low output enable input; internal pull-down resistor (100kΩ typical); low enables all four output drivers
11 RESET input Active-high reset input to reset internal logic and overcurrent protection circuit; internal pull-down resistor (100kΩ typical)
12 IN4 input Channel 4 logic input; IN4 = 1 drives OUT4 low; internal pull-down resistor (100kΩ typical)
13 IN3 input Channel 3 logic input; IN3 = 1 drives OUT3 low; internal pull-down resistor (100kΩ typical)
14 GND power_in Device ground connection; all ground pins must be grounded
15 GND power_in Device ground connection; all ground pins must be grounded
16 GND power_in Device ground connection; all ground pins must be grounded
17 IN2 input Channel 2 logic input; IN2 = 1 drives OUT2 low; internal pull-down resistor (100kΩ typical)
18 IN1 input Channel 1 logic input; IN1 = 1 drives OUT1 low; internal pull-down resistor (100kΩ typical)
19 NC unconnected No connect pin; leave unconnected
20 nFAULT tri_state Active-low open-drain fault output indicating overcurrent protection trip, thermal shutdown, or UVLO condition; maximum 20mA, external pull-up resistor required

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20-300mil
Category Motor Driver ICs
Pins 20

CAD (KiCad official)

  • Symbol: DRV8803DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: drv8803dwr-etched.step / drv8803dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); drv8803dwr.step / drv8803dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 4c3c25bab67f16dd, retrieved 2026-10-05, 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