BLDC Motor Driver Unit (STM32)

This BLDC Driver is a driving unit specifically designed for Brushless DC Motors (BLDC), using an STM32 as the primary control chip. It provides precise control over the DRV11873PWPR motor drive chip through I2C communication, facilitating PWM speed control adjustment, monitoring, and direction-switching.

This drive chip features a control interface and integrated stall protection, which leads to efficient and low-noise operation of three-phase small brushless DC motors. The onboard STM32 upgrade interface provides firmware updates and functional expansions, making it useful for projects involving industrial automation, smart robotics, precision instruments, and other fields.

Features

• STM32 Main Control
• I2C Communication (0x65)
• DRV11873 Drive control
• BLDC (brushless DC motor）
• PWM speed configuration, control, direction switching and other functions
• Blocking Rotation Protection
• Firmware Upgradeable

Specifications

Resources	Parameters
Motor Driver Chip	DRV11873PWPR
Type of Motor	Three-phase sensorless, brushless direct current (BLDC) motor
Motor Drive Voltage	5V (Powered by Grove port)
I2C Communication Address	0x65
Output Load Capacity	DC5V/508mA
Power Dissipation	Standby current: DC5V/ 10.62mA
	Working current: DC5V/13.20mA
Operating Temperature	0-40°C
Product Size	32 x 24 x 11.3mm
Package Size	136 x 92 x 13.7mm
Product Weight	4.3g
Package Weight	12.5g

Resources

• Product Wiki

Package Contents

• 1x Unit BLDC Driver
• 1x HY2.0 4-pin Cable
• 1x VH3.96 4-pin