TLE7189QK_16 Datasheet, PDF (25/29 Pages) Infineon Technologies AG – 3-Phase Bridge Driver IC

TLE7189QK
Application Description
6
Application Description
In the automotive sector there are more and more applications requiring high performance motor drives, such as
electro-hydraulic or electric power steering. In these applications 3 phase motors, synchronous and
asynchronous, are used, combining high output performance, low space requirements and high reliability.
Reverse
polarity
switch
R _VS
10 Ω *)
C
xxxx µF
P-GND
VS_OA
INH VS VDH
R_VDH
100 Ω
V_Bridge
SCDL
VRI
GH1
SH1
µC
and/or
System
ASIC
GND
C _CP2
1µF
C_CB2
1 µF
ceramic
V_Bridge
C_CP1
1 µF
C_CB1
2.2µF
see 4.1.2: all
pump capacitors
1μF to 4.7μF
R_ERR *)
R_ERR *)
R_O *)
CH2
CL2
CB2
GH2
SH2
GH3
CH1
TLE7189
SH3
CL1
CB1
ENA
ERR1
ERR2
IL1
IH1
IL2
IH2
IL3
IH3
VCT
VO3
VO2
VO1
GND
GL1
SL1
GL2
SL2
GL3
SL3
VRO
ISP3
ISP2
ISP1
ISN3
ISN2
ISN1
>2 Ω
>2 Ω
>2 Ω
>2 Ω
>2 Ω
>2 Ω
Shunt
V_S=12V
capacitors for
shunt signal
conditioning only if
additional filtering
is desired
*) see max. Ratings
P-GND
Figure 5 Application Circuit - TLE7189QK
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
Data Sheet
25
Rev. 2.2, 2016-01-28