Intelligent Motion Systems Ultra Miniature High Performance Microstepping Drpive 用户手册
SECTION 4
ELECTRICAL SPECIFICATIONS
Table 1
Test Parameters: T
A
= 25
o
C,+V = 48v
TEST CONDITION MIN TYP MAX UNITS
INPUT VOLTAGE ....................................................................................... 12 ....... 45 ........ 48
*
.......... V
PHASE OUTPUT CURRENT ......................................
RMS
.......................0.14 ...................1.5 .......... A
PHASE OUTPUT CURRENT .....................................
PEAK
..................................................2.3 .......... A
QUIESCENT CURRENT (+v, pin 12) ..........
INPUTS/OUTPUTS FLOATING
..................... 25 ...................... mA
QUIESCENT CURRENT (+5vdc, pin 14) ....
INPUTS/OUTPUTS FLOATING
................................... 40 ........ mA
ACTIVE POWER DISSIPATION ..........................
I
OUT
= 1A RMS
............................................2.0 ......... W
LOW LEVEL INPUT VOLTAGE .............................
ALL INPUTS
..................... .......................0.8 .......... V
HIGH LEVEL INPUT VOLTAGE ...................
ALL INPUTS EXCEPT RESET
......................2.0 ........................ V
HIGH LEVEL INPUT VOLTAGE ................................
RESET
...................................2.3 ......................... V
INPUT PULL-UP RESISTANCE .................
FAULT IN, RES SEL 0-3, ENABLE
.......4.4 ......4.7 ........5.0 ........k
Ω
INPUT PULL-UP RESISTANCE .....................
STEP CLOCK, DIRECTION
...........2.1 ......2.2 ........2.3 ........k
Ω
INPUT PULL-UP RESISTANCE ................................
RESET
.......................0.9 ......1.0 ........1.1 ........k
Ω
LOW LEVEL OUTPUT CURRENT .....................
FAULT, FULLSTEP
................ 24 .................................. mA
HIGH LEVEL OUTPUT CURRENT ....................
FAULT, FULLSTEP
.................-2 .................................. mA
LOW LEVEL OUTPUT VOLTAGE ..........................
I
OL
=24 mA
...............................................0.4 .......... V
HIGH LEVEL OUTPUT VOLTAGE ..........................
I
OH
= -2 mA
....................4.5 .................................... V
*
INCLUDES BACK EMF OF MOTOR
SECTION 5
THERMAL SPECIFICATIONS
Table 2
STORAGE TEMPERATURE ................................................ -40 TO +125
O
C
OPERATING TEMPERATURE ................................................0 TO +50
O
C
‡REAR MOUNTING SURFACE (MAX) ....................................... +70
O
C
‡ADDITIONAL COOLING MAY BE REQUIRED TO LIMIT REAR MOUNTING SURFACE
4
Care should be taken when choosing a heatsink to ensure that there is good thermal flow,
otherwise hot spots may occur in the IM481H which will reduce the effectivness of the
thermal protection.
otherwise hot spots may occur in the IM481H which will reduce the effectivness of the
thermal protection.
An optional thermal pad ( Part # TI-481 ) and heat sink ( Part # H-481 ) is available
for the IM481H
for the IM481H
W A R N I N G ! Rear mounting surface of driver contains
different voltages and must be keep isolated when attached
to a conductive surface !
different voltages and must be keep isolated when attached
to a conductive surface !
NOTE: