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DRV8306HRSMR

TIDRV8306HRSMR

Texas Instruments
Multiphase Motor Driver Power MOSFET Hardwired (HW) 32-VQFN (4x4)
NRND3,675 in stock

Overview

The DRV8306HRSMR is a highly integrated three-phase brushless DC (BLDC) motor gate driver designed for 6V to 38V applications. It features three integrated current sense amplifiers and a built-in 120-degree commutation table to simplify motor control logic via a simple PWM interface.

Why Choose This Part

The device integrates three current sense amplifiers and a 5V/300mA LDO, significantly reducing PCB footprint and BOM count. Its hardwired interface allows for configuration without complex SPI programming, making it ideal for cost-sensitive and robust industrial designs.

Applications

Power Tools
Ideal for cordless drills and drivers requiring efficient 18V or 24V battery operation and high torque control.
Robotic Actuators
Used in small mobile robots and warehouse automation for precise brushless motor commutation.
Industrial Fans and Pumps
Provides a compact solution for driving 24V cooling fans and fluid pumps with integrated protection features.
Consumer Appliances
Suitable for vacuum cleaners and small kitchen appliances that utilize high-speed BLDC motors.

Key Specifications

Function Controller - Commutation, Direction Management
Interface Hardwired (HW)
Technology Power MOSFET
Applications General Purpose
Mounting Type Surface Mount
Package / Case 32-VFQFN Exposed Pad
Voltage - Load 0V ~ 5.5V
Current - Output 300mA
Voltage - Supply 6V ~ 38V
Motor Type - AC, DC Brushless DC (BLDC)
Motor Type - Stepper Multiphase
Output Configuration Half Bridge (3)
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 32-VQFN (4x4)

Getting Started

Evaluation can be performed using the DRV8306EVM development kit, which allows for rapid prototyping of 3-phase BLDC systems. Engineers should focus on proper layout of the 32-VQFN thermal pad and ensure the 0.4mm pitch is handled within PCB manufacturing tolerances.

Also Consider

DRV8313 TITexas Instruments - A good alternative if integrated power MOSFETs are preferred for lower current applications up to 2.5A peak.