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TLE4728G Datasheet, PDF (20/25 Pages) Infineon Technologies AG – 2-Phase Stepper-Motor Driver | |||
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TLE 4728 G
V Osc
2.3 V
1.3 V Oscillator
High Imped.
0V
Phase 1 H
L
Î Rsense 1
0
Phase change-over
t
t
t
V Q11
+ V S High
Impedance
V Q12
+ V S High
Impedance
Î set
Î Phase 1
slow current decay
T1
Operating conditions:
V S = 14 V
L phase 1 = 1 mH
Rphase 1 = 4 â¦
Î11 = H for t < T 1
Î11 = L for t > T 1
Î10 = Î 2X = H
t
t
fast current
decay
t
- Î set
slow current decay
IED01779
Figure 15 Phase Reversal and Inhibit
Data Sheet
20
2004-03-01
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