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Electrical characteristics of the evm motor board, Characteristics of the bldc motor, Freescale semiconductor, inc – Motorola M68HC08 User Manual

Page 71

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Hardware Design

Low-Voltage Evaluation Motor Hardware Set Components

DRM028 — Rev 0

Designer Reference Manual

MOTOROLA

Hardware Design

71

4.5.1.1 Electrical Characteristics of the EVM Motor Board

The electrical characteristics in

Table 4-4

apply to operation at 25

°C and

a 12-Vdc power supply voltage.

4.5.2 3-phase Low Voltage EVM BLDC Motor

The EVM Motor Board is shipped with an MCG IB23810-H1 brushless
dc motor. Motor-brake specifications are listed in

Table 2-3

,

Section 2.

Other detailed motor characteristics are in

Table 4-5

this section. They

apply to operation at 25

°C.

Table 4-4. Electrical Characteristics of the EVM Motor Board

Characteristic

Symbol

Min

Typ

Max

Units

Power Supply Voltage

Vdc

10

12

16

V

Quiescent Current

I

CC

50

mA

Min Logic 1 Input Voltage

V

IH

2.4

V

Max Logic 0 Input Voltage

V

IL

0.8

V

Input Resistance

R

In

10

k

Analog Output Range

V

Out

0

3.3

V

Bus Current Sense Voltage

I

Sense

412

mV/A

Bus Voltage Sense Voltage

V

Bus

206

mV/V

Power MOSFET On Resistance

R

DS(On)

32

40

M

RMS Output Current

I

M

6

A

Total Power Dissipation

P

diss

5

W

Table 4-5. Characteristics of the BLDC motor

Characteristic

Symbol

Min

Typ

Max

Units

Terminal Voltage

V

t

60

V

Speed @ V

t

5000

RPM

Torque Constant

K

t

0.08

Nm/A

F

re

e

sc

a

le

S

e

m

ic

o

n

d

u

c

to

r,

I

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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