TLE7185-1E Datasheet, PDF (19/23 Pages) Infineon Technologies AG – 3-Phase Bridge Driver IC

TLE7185-1E
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.
R_INH1
R_INH2
R_VS
4.7 Ω
C_VS
2.2µF
C_BR
4,7mF
C_BR
1µF
PGND PGND
R_VDH
C_{CB 2.2uF}
GND
C_{CP 1uF}
INH
CB
CL
CH
VS VDH
BH1
GH1
SH1
BH2
GH2
SH2
C_BS1
470nF
R_GH1
C_BS2
470nF
R_GH2
µC
or
digital
ASIC:
e.g.:
XC23xx
R_ERR1
5kΩ
R_ERR2
5kΩ
BH3
GH3
ERR2
SH3
ERR1
TLE7185E _GL1
STOE
SL1
ENA
C_BS3
470nF
R_GH3
R_GL1
IL1
GL2
IH1
R_GL2
IL2
SL2
IH2
IL3
IH3
GL3
5V
R_SCDL1
R_SCDL2
SCDL
DT
SL3
GND
R_DT
GND
KL 15
V_BAT
R_GL3
GND
GND
PGND
Figure 5 Application Circuit
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
Data Sheet
19
Rev. 2.4, 2010-07-16