A Flexible Brushless DC Motor Drive Solution



Texas Instruments A Flexible Brushless DC Motor Drive Solution

Texas Instruments and National Semiconductor's brushless DC motor drive solution

Texas Instruments and National Semiconductor's brushless DC motor drive solution provides programmable processing for multiple BLDC motor applications, coupled with 100 V MOSFET drivers for advanced control of high torque motors. Together, the LM5101B 100 V MOSFET driver, LM3S8971 Stellaris® integrated motor control/driver, AMC1200 isolation amplifier, and DRV8312 three phase brushless DC motor driver allow for implementation in numerous consumer and industrial applications.

  Features
  • 48 V and 96 V based eBike and light electric vehicles applications
    • Longer range and greater torque
  • Single and three phase motors, sensor and sensor-less applications
    • Programmable processor accommodates many motor configurations
  • Configurable digital engine allows for new levels of performance and system flexibility
    • Different drive profiles, i.e., range vs. acceleration vs. torque can be implemented for any given application

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Digi-Key
Part Number
Description / Device Advantages  
LM5101BMA-ND     LM5101BMA - 100 V MOSFET Driver
  • Current fed push-pull converters / Synchronous buck converters
  • Half and full bridge, and two switch forward power converters / Forward with active clamp converters
LM5101BMA Datasheet
296-24923-ND     LM3S8971 - Stellaris® Integrated Motor Control/Driver
  • Remote monitoring / Network appliances and switches
  • Electronic point-of-sale (POS) machines / Motion control
  • Test and measurement equipment / Factory automation
  • HVAC and building control / Transportation / Power and energy
  • Medical instrumentation / Fire and security / Gaming equipment
LM3S8971 Datasheet
296-28558-1-ND     AMC1200 - Isolation Amplifier
  • Motor Control / Green Energy / Frequency Inverters / Uninterruptible Power Supplies
AMC1200 Datasheet
296-27707-5-ND     DRV8312 - Three Phase Brushless DC Motor Driver
  • Three Phase Permanent Magnet Synchronous Motors / BLDC Motors
  • Inverters and Half Bridge Drivers / Robotic Control Systems
DRV8312 Datasheet