Jumper And Button; Current Scaling Iref Jumper Jp1 And Jp2; Clock Selection Jumper Jp3 - Analog Devices TMCM-1290-EVAL Instruction Manual

TMCM-1290-EVAL Evaluation Board • Hardware Version V1.00 | Rev 0, 01/24

3.2 Jumper and Button

3.2.1 Current Scaling IREF Jumper JP1 and JP2

The IREF pin of TMCM-1290 is connected to a resistance network on the evalboard. This feature is targeted
for a quick change of the reference resistor and de nes the maximum motor phase current.
IREF_R2 IREF_R3 [ Ω]
LOW LOW
HIGH LOW
LOW HIGH
HIGH HIGH
Table 13: IREF Selection and Resulting Maximum Current Setting, AP179 = 3 (Default)
NOTE

3.2.2 Clock Selection Jumper JP3

The TMCM-1290 clock is selected by jumper JP3.
Pin
INT
EXT
TMCM-1290-CAN-EVAL
VS (power supply)
+VS
R
OVP
GND (power supply)
Figure 5: Example Brake: Shunt Resistor
R_REF [ Ω]
48k
24k
16k
12k
The jumper con guration must be set in the
the current values in the TMCL-IDE V3.X.
Description
Internal clock 12.5Mhz
External clock 16Mhz
Table 14: Motor Driver Enable JP2
OVP
Gate Driver
Voltage Threshold
TMCM-1290
Max. FS current [ A]
0.75
1.5
2.25
3
Settings tool
Max. rms current [A]
0.5
1.1
1.6
2.1
for correct display of
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