SIXpack 2 – Manual (V1.10 / January 29
th
, 2010)
7
2.4
Electrical data
The operational ratings show the intended / the characteristic range for the values and should be used as design
values. In no case shall the maximum values be exceeded.
Symbol
Parameter
Min
Typ
Max
Unit
V
S
Power supply voltage
13
15 ... 48
58
V
I
S
Supply current
<<Sum(Imot)
10
A
I
COIL
Motor coil current for sine wave peak
(chopper
regulated,
adjustable
via
software)
0
0.3 … 2.0
2.0
A
I
MC
Nominal RMS motor current
0
0.2 ... 1.4
1.4
A
f
CHOP
Motor chopper frequency
36.8
kHz
t
SLP
Coil output slope
300
ns
I
S
Power supply current
<< I
COIL
1.4 * I
COIL
A
I
MC
Continuous motor current (
RMS
)
0
0.3... 1.1
1.1
A
U
+5V
Internally gen5V voltage
4.8
5
5.2
V
I
+5V
Load on +5V output (sum of all outputs)
100
mA
R
+5VMC
Internal protection resistor on +5V for
motor outputs
33
Ohm
U
AIN
Analog input voltage range (ratiometric
measurement referred to +5V output)
0 … U
+5V
V
U
REFINLO
Reference input low voltage
0
1.5
V
U
REFINHI
Reference input high voltage (internal
10K pullup to +5V)
3.5
5
V
U
INPROT
Input protection range for REFIN and
AIN (not for normal use)
-24
24
V
I
READY
Output current ready output (Open
collector with internal 1K pullup to +5V)
-100
mA
T
ENV
Environment temperature (operating /
full current)
-25
60
°C
T
ENV
Environment temperature with reduced
current or forced cooling of board
85
°C
Table 2.1: Operational Ratings
