User Manual

TMCM-1140 V1.3 Hardware Manual (Rev. 1.04 / 2015-JAN-05) 19
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7 Operational Ratings
The operational ratings show the intended or the characteristic ranges and should be used as design
values.
In no case shall the maximum values be exceeded!
Symbol
Parameter
Min
Typ
Max
Unit
VDD
Power supply voltage for operation
9
12… 24
28
V
I
COIL_peak
Motor coil current for sine wave peak
(chopper regulated, adjustable via software)
0
2.8
A
I
COIL_RMS
Continuous motor current (RMS)
0
2.0
A
I
DD
Power supply current
<< I
COIL
1.4 * I
COIL
A
T
ENV
Environment temperature at rated current (no
forced cooling required)
-30
+50
°C
T
ENV_1A
Environment temperature at 1A RMS motor
current / half max. current (no forced cooling
required)
-30
+70
°C
Table 7.1 General operational ratings of module
OPERATIONAL RATINGS OF MULTIPURPOSE I/OS
Symbol
Parameter
Min
Typ
Max
Unit
V
OUT_0
Voltage at open drain output OUT_0
0
+VDD
V
I
OUT_0
Output sink current of open drain output
OUT_0
1
A
V
OUT_1
Voltage at output OUT_1 (when switched on)
+5
V
I
OUT_1
Output source current for OUT_1
100
mA
V
IN_1/2/3
Input voltage for IN_1, IN_2, IN_3 (digital
inputs)
0
+VDD
V
V
IN_L 1/2/3
Low level voltage for IN_1, IN_2 and IN_3
0
1.1
V
V
IN_H 1/2/3
High level voltage for IN_1, IN_2 and IN_3
3.4
+VDD
V
V
IN_0
Measurement range for analog input IN_0
0
+10*)
V
Table 7.2 Operational ratings of multipurpose I/Os
*) approx. 0…+10.56V at the analog input IN_0 is translated to 0..4095 (12bit ADC, raw values). Above
approx. +10.56V the analog input will saturate but, not being damaged (up-to VDD).
OPERATIONAL RATINGS OF RS485 INTERFACE
Symbol
Parameter
Min
Typ
Max
Unit
N
RS485
Number of nodes connected to single RS485
network
256
f
RS485
Maximum bit rate supported on RS485
connection
9600
115200
1000000*)
bit/s
Table 7.3: Operational ratings of RS485 interface
*) hardware revision V1.2: max. 115200 bit/s, hardware revision V1.3: max. 1Mbit/s