TLE7184F Datasheet, PDF (32/35 Pages) Infineon Technologies AG – System IC for B6 motor drives

TLE7184F
Application Description
10
Application Description
In the automotive sector there are more and more applications requiring high performance motor drives, such as
HVAC fans, engine cooling fans, pumps etc.. In these applications 3 phase motors, synchronous and
asynchronous, are used, combining high output performance, low space requirements and high reliability.
µC
GND
R
1,2kΩ
R_VDH1
R_VDH2
R
1,6kΩ
R_VS
10 Ω
C_VS
C_VS
100 nF 2µF
R
2,2kΩ
KL 15
R
L
33Ω
2,2µH
interface
L
2,2µH _VBAT
C_BR
4,7mF
PGND
C_BR
1µF
PGND
R
10kΩ
R
10kΩ
___
INH IFMA
VDHS
VS VREG
VDH
BH1
R_OV1
R_OV2
IOV
GH1
SH1
BH2
C_REG
2µF
R_VDH
C_BS1
470nF
R_GH1
C_BS2
470nF
T_HS1
IFuC
____
RGS
____
INHD
____
ERR
TEMP
GH2
SH2
BH3
TLE GH3
7184
SH3
R_GH2
C_BS3
470nF
R_GH3
T_HS2
T _HS3
IL1
___
IH1
GL1
R_GL1
T_LS1
IL2
___
IH2
IL3
GL2
___
IH3
R_GL2
T_LS2
R_SC1
R_SC2
SCDL
GL3
R_GL3
T_LS3
+ _{CVDD1 CVDD2}
100nF 2.2nF
VDD
DT
R_DT
R_fb2
SL
ISP
R_fb3
R_S
AGND
ISN
ISO
R_S
GND AGND
R_fb1
C_TP
Shunt
AGND
GND
GND AGND
PGND
Figure 13 Application Circuit TLE7184F
Note: This is a simplified example of an application circuit. The function must be verified in the real application
Data Sheet
32
Rev. 1.0, 2008-12-04