User Manual

TMCM-1276 Hardware Manual • Hardware Version V1.10 | Document Revision V1.00 • 2018-JUN-25
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6 Operational Ratings and Characteristics
6.1 Absolute Maximum Ratings
Parameter Min Max Unit
Supply voltage +10 +30 V
Working temperature -30 +40 ° C
Motor coil current / sine wave peak 4.2 A
Continuous motor current (RMS) 3 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 specification is not implied. Exposure to maximum rating
conditions for extended periods may affect device reliability.
6.2 Electrical Characteristics (Ambient Temperature 25° C)
Parameter Symbol Min Typ Max Unit
Supply voltage V DD 10 24 30 V
Motor coil current / sine wave peak (chopper reg-
ulated, adjustable in software)
I
COILpeak
0 4.2 A
Continuous motor current (RMS) I
COILRMS
0 3 A
Power supply current I
DD
 I
COIL
1.7∗I
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 1.5 V
High level voltage V
H
3.5 5 V
Table 10: I/O ratings
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