48-V BLDC Motor Drive Reference Design For Automotive Functions

Are you planning to construct your personal e-scooter/e-bike and are searching for a motor drive? So, this reference design from Texas Devices will simplify your work and make it easier to construct a 1kW BLDC motor drive. The design has been verified by TI and is appropriate to be used in low-powered automotive functions.

(Picture supply: Texas Devices)

This reference design from Texas Devices is for a 3-Section Brushless DC Motor (BLDC) drive for 48-V automotive functions. This reference design is specifically made for 2Wheeler and 3Wheeler functions. The motor drive design makes use of the 48-V battery solely to drive the motor and is remoted from the 12-V battery. The motor drive stage delivers 48-V energy to the three phases of the BLDC motor as a pulse-width modulated (PWM) voltage. The reference design is appropriate for operating motors within the vary of 1kW and might deal with present as much as 30A. The reference design’s LV aspect can take enter from 4.5 V to 30V and is suitable with 12V automotive batteries. It’s suitable with the LaunchPad microcontroller platform and options accessible electrical take a look at factors all through the design. The reference design employs a sensible diode controller to allow reverse battery safety.

The design is mechanically secure for bench assessments and has been designed to successfully dissipate excessive currents and warmth with out lively cooling. It employs PWM method to drive a motor and has a PWM switching frequency vary from 15 kHz to 50 kHz. The design consists of analog circuits working together with a C2000 LaunchPad™ to spin a 3- Section BLDC motor with out the necessity for place suggestions from Corridor Impact sensors or quadrature encoder.

This reference design can be utilized in functions resembling motor drives of an e-scooter, radiator fan, HVAC blower, oil pump, and many others.

Design Options

  • Velocity Management of 3-Section BLDC motors with out place sensors
  • Accessible take a look at factors to verify key motor alerts
  • Remoted CAN Interface Connects to Automotive Networks on 12-V Battery System
  • Crucial Elements Slot in a 5-inch Diameter Round PCB

Safety Options

  • Overvoltage Safety
  • Undervoltage Safety
  • Overtemperature Safety
  • Overcurrent Safety
  • Transient Safety
  • Reverse Polarity Safety on 12-V Battery

All of the useful resource recordsdata for this reference design could be downloaded from right here.

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