28
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
Supply rejection ±2 mA, V
BAT
change 9 to 18 V or 18 to 32 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
= 28V and F
DITH
>200 Hz
V
BAT
= 28 V and F
DITH
<167 Hz
5 ohm + 10 mH
5 ohm + 20 mH
10 ohm + 30 mH
20 ohm + 60 mH
Protection over load, SCB, SCG
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
= 28V
without clamping diode
12 Ohm / 8 mH, 28 Ohm / 33 mH
48 Ohm / 28 mH
Protection over load, SCB, SCG
Diagnostics no
I/O
T
A
= -40 °C to +70 °C (unless otherwise specified)
Parameter Remark
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