DRV8880_15 Datasheet, PDF (19/48 Pages) Texas Instruments – DRV8880 2-A Stepper Motor Driver With AutoTune™

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DRV8880
SLVSD18A – JUNE 2015 – REVISED JULY 2015
Table 6 gives the xISEN trip voltage at a given DAC code and TRQ[1:0] setting for 1/16 step mode. In this table,
VREF = 3.3 V.
Table 6. xISEN Trip Voltages over Torque DAC and Microsteps
1/16 step (Sine
DAC code)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
00 – 100%
500.0 mV
490.0 mV
480.0 mV
460.0 mV
440.0 mV
415.0 mV
385.0 mV
355.0 mV
315.0 mV
280.0 mV
235.0 mV
190.0 mV
145.0 mV
100.0 mV
50.0 mV
0.0 mV
TORQUE DAC TRQ[1:0] SETTING
01 – 75%
10 – 50%
375.0 mV
250.0 mV
367.5 mV
245.0 mV
360.0 mV
240.0 mV
345.0 mV
230.0 mV
330.0 mV
220.0 mV
311.3 mV
207.5 mV
288.8 mV
192.5 mV
266.3 mV
177.5 mV
236.3 mV
157.5 mV
210.0 mV
140.0 mV
176.3 mV
117.5 mV
142.5 mV
95.0 mV
108.8 mV
72.5 mV
75.0 mV
50.0 mV
37.5 mV
25.0 mV
0.0 mV
0.0 mV
11 – 25%
125.0 mV
122.5 mV
120.0 mV
115.0 mV
110.0 mV
103.8 mV
96.3 mV
88.8 mV
78.8 mV
70.0 mV
58.8 mV
47.5 mV
36.3 mV
25.0 mV
12.5 mV
0.0 mV
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