Technosoft iPOS4808 BX-CAN, Technical Reference

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Technosoft 2015 24 iPOS4808 BX-CAN Technical Reference
On-state voltage drop
for nominal output current; including typical
mating connector contact resistance
±0.3 ±0.5 V
Off-state leakage current ±0.5 ±1 mA
Motor inductance (phase-to-
phase)
Recommended value, for
ripple ±5% of
measurement range;
+V
MOT
= 48 V
F
PWM
= 20 kHz 330
µ
H
F
PWM
= 40 kHz 150
F
PWM
= 60 kHz 120
F
PWM
= 80 kHz 80
F
PWM
= 100 kHz 60
Absolute minimum value,
limited by short-circuit
protection; +V
MOT
= 48 V
F
PWM
= 20 kHz 120
µ
H
F
PWM
= 40 kHz 40
F
PWM
= 60 kHz 30
F
PWM
= 80 kHz 15
F
PWM
= 100 kHz 8
Motor electrical time-constant
(L/R)
Recommended value, for
±5% current measurement
error due to ripple
F
PWM
= 20 kHz 250
µs
F
PWM
= 40 kHz 125
F
PWM
= 60 kHz 100
F
PWM
= 80 kHz 63
F
PWM
= 100 kHz 50
Current measurement accuracy FS = Full Scale ±4 ±8 %FS