TLE4729G_08 Datasheet, PDF (21/29 Pages) Infineon Technologies AG – 2-Phase Stepper-Motor Driver Bipolar-IC

TLE 4729 G
V _Osc
2.3 V
1.3 V _Oscillator
High Imped.
0V
Phase ^H
L
Ι _{Rsense 1}
0
Phase change-over
t
t
t
V _Q11
+V _{S High}
Impedance
t
V _Q12
+V _{S High}
Impedance
t
Ι _set
Ι _{Phase 1}
fast current
decay
T₁
slow current decay
Operating conditions:
- Ι _set
V _S = 14 V
L _{phase 1} = 1 mH
R_{phase 1} = 4 Ω
Ι11 = L for t < T ₁
Ι11 = H for t > T ₁
Ι10 = Ι _2X = L
t
slow current decay
AED02221
Figure 8 Phase Reversal and Inhibit
Data Sheet
21
V1.2, 2008-03-18