DRV8424P - Hardware details

Pinout

Pin Details

Pin Marking	Pin Name	Description
GND	Power/Ground	Common ground for both logic and motor supply.
VCC	Power Input	Motor voltage supply input (4.5V to 33V).
AIN1	Logic Input	H-bridge A control input 1 – controls motor A direction.
AIN2	Logic Input	H-bridge A control input 2 – controls motor A direction.
BIN1	Logic Input	H-bridge B control input 1 – controls motor B direction.
BIN2	Logic Input	H-bridge B control input 2 – controls motor B direction.
SLEEP	Logic Input	Active-low input. Pull low to enter low-power sleep mode.
FAULT	Logic Output	Open-drain output. Goes low during a fault (e.g., overcurrent, thermal).
Bridge A Output 1	Motor Output	Output terminal 1 of H-bridge A (Motor A).
Bridge A Output 2	Motor Output	Output terminal 2 of H-bridge A (Motor A).
Bridge B Output 1	Motor Output	Output terminal 1 of H-bridge B (Motor B).
Bridge B Output 2	Motor Output	Output terminal 2 of H-bridge B (Motor B).

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Dimensions

• Board dimensions: 28 × 22 mm (1.1 × 0.9 inch)
• Pin hole diameter: 1.5 mm
• Mounting holes: M3 (3.2 mm diameter)
• Compatible with LEGO system 🧱

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Jumper Details

This board contains one solder jumper:

JP1

Jumper	Default State	Function
JP1	NC (closed)	Connects the power indicator LED.

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Hardware repository

Schematics, KiCad project files, Gerber outputs, and more are available in the GitHub repository:

DRV8424P Dual Motor Driver Hardware Repository

Hardware design files for the dual motor H-bridge DRV8424P driver breakout board.

Available files

CAD Files

The project is designed using KiCad, an open-source PCB suite. The .kicad_pro file contains the full schematic and board layout.

Schematic

The schematic diagram in .pdf format can be found in the OUTPUTS folder.

BOM (Bill of Materials)

• A .csv file listing all components, quantities, and part numbers.
• An interactive BOM (.html) with visual identification of components on the board.

3D Model

A .step file of the PCB is provided for use in CAD and mechanical modeling applications.

Gerber Files

Used for manufacturing, the Gerber files include:

• Copper layers (.Cu.gbr)
• Solder mask layers (.Mask.gbr)
• Silkscreen layers (.Silkscreen.gbr)
• Paste layers (.Paste.gbr)
• Drill files (.drl)
• Board outline (.Edge_Cuts.gbr)
• Gerber job file (.gbrjob)

Compliance

Includes necessary documentation to certify safety and legal compliance:

• CE
• UKCA
• Safety Instructions (EN & DE)
• Info.txt – includes SKU, HS code, and manufacturing details