TLE4728G Datasheet, PDF (16/25 Pages) Infineon Technologies AG – 2-Phase Stepper-Motor Driver

TLE 4728 G
100 nF
Microcontroller
1
Ι 10
2 _Ι11
3 _{Phase 1}
21 _{Error 1}
14 _{Error 2}
24 _Ι20
23 _Ι21
22 _{Phase 2}
OSC
4
2.2 nF
TLE 4728G
11
V_S
Q11 ⁹
Q12 ¹²
Q21 ¹⁶
Q22 ¹³
GND
15
10
5, 6, 7, 8,
R₂
R₁
17, 18, 19, 20
1Ω
1Ω
IES01223
Figure 10 Application Circuit
+12 V
100 µF
M
Stepper
Motor
100 µF 100 nF
Ι_S
+V _S
V_S
V_satu
V _Fu
ΙXX, Phase X
Ι_Ι
TLE 4728 G
Output
Ι_Q
V_Ι
Error X
Ι _Err
V _Err
Osc
GND
R _sense
Ι _OSC Ι _SL Ι _GND
Ι _Rsense
V _OSC
2.2 nF
V_C
1Ω
Figure 11 Test Circuit
Ι _Rl
Ι _Ru
V _satl
V _Fl
IES01836
Data Sheet
16
2004-03-01