DRV8886AT Datasheet, PDF (8/40 Pages) Texas Instruments – 2-A Stepper Motor Driver With Integrated Current Sense and AutoTune Technology

DRV8886AT
SLVSDO1 – JANUARY 2017
6.6 Indexer Timing Requirements
at T_A = -40 to 125°C, V_VM = 8 to 37 V (unless otherwise noted)
NO.
MIN
1
ƒ_STEP
Step frequency
2
t_WH(STEP)
Pulse duration, STEP high
970
3
t_WL(STEP)
Pulse duration, STEP low
970
4
t_{SU(DIR, Mx)}
Setup time, DIR or USMx to STEP rising
200
5
t_{H(DIR, Mx)}
Hold time, DIR or USMx to STEP rising
200
(1) STEP input can operate up to 500 kHz, but system bandwidth is limited by the motor load.
1
2
3
STEP
DIR, Mx
45
Figure 1. Timing Diagram
www.ti.com
MAX
500 ⁽¹⁾
UNIT
kHz
ns
ns
ns
ns
8
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