2
8
IQAN-XA2 Technical Overview
Appendix A
Instruction book, IQAN-XA2
PCNT (Pulse Count input) / DPCNT (Directional Pulse Count input)
Number of PCNT / DPCNT
2 / 1 (configuration may reduce number)
Frequency range
PCNT
DPCNT
0 to 20,000 Hz
0 to 20,000 Hz
Minimum pulse width
TBD for 5 V signal
Logic levels
low
high
<1 V
>4 V
Input hysteresis
typ. 1.0V
Input impedance
62 kohm pull-down in parallel with 470 pF
Diagnostics
Defined in application
Power driver, COUT
Number of COUT
6 dual outputs
COUT range
low
high
100 mA
2000 mA
COUT resolution
0.1 mA
Power driver voltage drop
750 mA load
1500 mA load
typ. 0.45 V @ saturation
typ. 0.90 V @ saturation
Leakage current in OFF state
<2 mA
Maximum COUT saturation
95 % @ 100 Hz dither
Absolute accuracy
±(2% + 15 mA)
Dither frequency, F
DITH
see table
S
upply rejection
±2 mA, V
BAT
change 9 to 1
8
V or 1
8
to
3
2 V
Load rejection
±2 mA, load change ±50 %
Maximum load
V
BAT
= 14 V and F
DITH
>200 Hz
V
BAT
= 14 V and F
DITH
<167 Hz
V
BAT
= 2
8
V and F
DITH
>200 Hz
V
BAT
= 2
8
V and F
DITH
<167 Hz
5 ohm + 10 mH
5 ohm + 20 mH
10 ohm +
3
0 mH
20 ohm + 60 mH
Protection
over load,
S
CB,
S
CG
Diagnostics
open load, over load, saturation
Power driver, PWMOUT
Number of PWMOUT
6 dual outputs
PWMOUT range
0% to 95% MR
PWMOUT resolution
0.1 % MR
Dither frequency, F
DITH
see table
Power driver voltage drop
typ. 0.90 V @ 1.5 A load
Leakage current in OFF state
<2 mA
Maximum load
2 A
Maximum load inductance
V
BAT
= 14 V
V
BAT
= 2
8
V
without clamping diode
12 Ohm /
8
mH, 2
8
Ohm /
33
mH
4
8
Ohm / 2
8
mH
Protection
over load,
S
CB,
S
CG
Diagnostics no
I/O
T
A
= -40 °C to +70 °C (unless otherwise specified)
Parameter
Remark