User Manual

TMCM-1270 Hardware Manual Hardware Version V1.00 | Document Revision V1.20 2017-SEP-27
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6 Operational Ratings and Characteristics
6.1 Absolute Maximum Ratings
Parameter Min Max Unit
Supply voltage +6 +28 V
Working temperature -30 +40 ° C
Motor coil current / sine wave peak 1.7 A
Continuous motor current (RMS) 1.2 A
NOTICE
Stresses above those listed under "Absolute Maximum Ratings" may cause per-
manent damage to the device. This is a stress rating only and functional operation
of the device at those or any other conditions above those indicated in the op-
eration listings of this specication is not implied. Exposure to maximum rating
conditions for extended periods may aect device reliability.
6.2 Electrical Characteristics (Ambient Temperature 25° C)
Parameter Symbol Min Typ Max Unit
Supply voltage V DD 6 24 28 V
Motor coil current / sine wave
peak
(chopper reg-
ulated, adjustable in software)
I
COILpeak
0 0. . . 1.4 1.7 A
Continuous motor current (RMS) I
COILRMS
0 0. . . 1.0 1.2 A
Power supply current I
DD
I
COIL
1.7I
COIL
A
Table 9: Electrical Characteristics
Please note: maximum motor current settings may require appropriate cooling of the unit
6.3 I/O Ratings (Ambient Temperature 25° C)
Parameter Symbol Min Typ Max Unit
Input voltage V
IN
5 5.5 V
Low level voltage V
L
0 1.75 V
High level voltage V
H
3.25 5 V
Table 10: I/O ratings
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