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Details for Texas Instruments


3-Phase BLDC Motor Pre-Driver with Integrated Speed Control and Commutation Logic
Buy Directly from Texas Instruments (5529 in Stock)
$1.4400 per unit
Series Information for DRV8308RHAT - Texas Instruments


  • feature
    5-V Regulator for Hall Sensors
  • feature
    Configurable Motor Current Limiter
  • feature
    Drives 6 N-Channel MOSFETs with Configurable 10- to 130-mA Gate Drive
  • feature
    Flexible Configuration Methods u2013 Read Internal Non-Volatile Memory u2013 Read External EEPROM u2013 Write SPI
  • feature
    Integrated Commutation from Hall Sensors u2013 Timing Can Be Advanced/Delayed u2013 120u00b0 or 180u00b0-sinusoidal current control u2013 Single Input Controls Motor Speed
  • feature
    Integrated Overcurrent, Overvoltage, and
  • feature
    Locked Rotor Detection and Restart
  • feature
    Low-power Standby Mode
  • feature
    Operating Supply Voltage 8.5 to 32 V
  • feature
    Three-Phase Brushless DC Motor Controller u2013 Digital Closed-Loop Speed Control with Programmable Gain and Filters


The DRV8308 controls sensored brushless DC motors with advanced features and a simple input interface. As a predriver, it drives the gates of 6 external N-Channel MOSFETs with a configurable current of 10mA to 130mA for optimal switching characteristics. The 3 motor phases are commutated according to the Hall sensor inputs. Once the motor reaches a consistent speed, the DRV8308 uses just 1 Hall sensor to minimize jitter caused by sensor mismatch. The Hall signal-to-drive timing can be advanced or delayed in 0.1% increments to optimize power efficiency. An optional 180° commutation mode drives sinusoidal current through the motor and minimizes audible noise and torque ripple. Peak motor current can be controlled by sizing a sense resistor. The DRV8308 achieves closed-loop speed control to spin motors to a precise RPM across a wide range of load torques. The system matches motor speed—generated from an FG trace or the Hall sensors—to the reference frequency on pin CLKIN. The DRV8308 can also drive motors open-loop using a duty cycle command, from either a clock or register setting. An assortment of protection features bolster system robustness, as the DRV8308 handles and reports overcurrent, overvoltage, undervoltage, overtemperature, and locked rotors.


Motor Type:
Three Phase DC Brushless
No. of Outputs:
Output Current:
Output Voltage:
Driver Case Style:
No. of Pins:
Supply Voltage Min:
Supply Voltage Max:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Brushless DC Motor Controller 8.5V to 32V 40-Pin VQFN T/R

Avnet America product

Avnet Europe

Brushless DC Motor Controller 8.5V to 32V 40-Pin VQFN T/R

Avnet Europe product

Texas Instruments

3-Phase BLDC Motor Pre-Driver with Integrated Speed Control and Commutation Logic

Texas Instruments product