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Jana
Jana
Associate II
May 19, 2020
Question

48V BLDC motor controller for EV application

  • May 19, 2020
  • 2 replies
  • 3088 views

hi, i am working for finding BLDC motor control evaluation board for my EV application.

from ST -- > found STEVAL-SPIN3202 from the website. i would like to know the details of the STEVAL-SPIN3202 -- max peak current withstanding capability and any demo project for the BLDC motor controller with trapezoidal and FOC available.

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2 replies

Cristiana SCARAMEL
Cristiana SCARAMEL
ST Employee
May 19, 2020

The STEVAL-SPIN3202 three-phase brushless DC motor driver board is an evaluation board based on the STSPIN32F0A and STD140N6F7 MOSFETs. It provides an affordable and easy-to-use solution for the implementation of low voltage motor driving applications.

In particular this board is designed for sensored or sensorless vector control - FOC and six-step algorithms with single shunt sensing.

Ratings: Input voltage from 7 V to 45 V, Output current up to 15 Arms

​Hi you can find all the info about STEVAL-SPIN3202 in the dedicate page.

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Jana
JanaAuthor
Associate II
May 20, 2020

Thanks for the info.

i would like to have any demo or guidance for implementation. shall i use the same for 48V motor operation ?

is any modular concept that shall i replace the MOSFET for higher current rating.

Cristiana SCARAMEL
Cristiana SCARAMEL
ST Employee
May 21, 2020

​The limit of 45 V is due to the STSPIN32F0A voltage ratings.

I can suggest to use the STSPIN32F0251 (link of datasheet) a 250 V three-phase controller with MCU.

You can evaluate the device with the EVSPIN32F0251S1 board.

The board has a single-shunt sensing topology, and both the field-oriented control (FOC) and sensored or sensorless 6‑step control can be implemented.

Ratings: Input voltage from 20 V to 120 V DC/AC, STD17NF25 MOSFETs power stage (VDS = 250 V, RDS(on) max.= 0.165 Ω).

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Jana
JanaAuthor
Associate II
May 22, 2020

Thanks for the reply... i was checking data sheet and his is AC voltage input to the board.

my end application is battery operated electric vehicle. where as i have to use battery instead of AC line... are you suggesting this will help for my application.

and one more observation it can support 16A peak... but my operating current itself 20A... is any possibility to have high current rating board with battery input.

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