TLE4727 Datasheet, PDF (12/22 Pages) Siemens Semiconductor Group – 2-Phase Stepper-Motor Driver

TLE 4727
+5 V
Micro-
Controller
4.7 µF
100 nF
+12 V
100 µF
12
V_L
1
Ι 10
2 _{Ι 11}
3
Phase 1
17
Error
20
Ι 20
19
Ι 21
18
Phase 2
OSC
4
2.2 nF
9
V_S
TLE 4727
Q11 ⁷
Q12 ¹⁰
Q21 ¹⁴
Q22 ¹¹
GND
13
8
5, 6, 15, 16
R₂
R₁
1Ω
1Ω
M
Stepper
Motor
IES01204
Figure 3 Application Circuit
Semiconductor Group
12
1998-12-16