TLE4726G Datasheet, PDF (18/23 Pages) Infineon Technologies AG – 2-Phase Stepper-Motor Driver

TLE 4726
Inhibit
L
V _{Osc 2.3 V}
Oscillator
High Imped.
1.3 V
0
Phase 1
Ι _GND
L
Ι_N
0
V _Q11 ^{+V S}
High
V _satl
Impedance
V _Q12 ^{+V S} _High
Impedance
Phase Changeover
t
Oscillator
High Imped.
t
t
V _Fu
V_{satu C}
t
V_{satu D}
High
Impe-
dance
V _Fl
t
Ι _{Phase 1}
Slow Current Decay
Operating Conditions:
V _S = 40 V
V_Ι
=5V
L _{phase 1} = 10 mH
R _{phase 1} = 20 Ω
Ι _1X = L; Ι _1X = H
Fast Current Decay
Figure 10 Phase Reversal and Inhibit
Data Sheet
18
t
Slow
Current Decay
t
Fast
Current
Decay by
Inhibit
IED01178
1999-09-15