TLE7184F_15 Datasheet, PDF (35/38 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 synchronous and asynchronous 3-phase
motors are used, combining high output performance, low space requirements and high reliability.
µC
GND
R
1,2kΩ
RVDH1
RVDH2
R
1,6kΩ
RVS
10 Ω
CVS
CVS
100 nF 2µF
R
2,2kΩ
KL 15
R
L
33Ω
2,2µH
interface
L
2,2µH _VBAT
CBR
4,7mF
PGND
CBR
1µF
PGND
R
10kΩ
R
10kΩ
___
INH IFMA
VDHS
VS VREG
VDH
BH1
CR EG
2µF
RVD H
CBS1
470nF
ROV1
ROV2
IOV
GH1
SH1
BH2
RGH1
CBS2
470nF
THS1
IFuC
____
RGS
____
INHD
____
ERR
TEMP
GH2
SH2
BH3
TLE GH3
7184
SH3
RGH2
CBS3
470nF
RGH3
TH S2
THS3
IL1
___
GL1
RGL1
TLS1
IH1
IL2
___
IH2
IL3
GL2
___
IH3
RGL 2
TLS2
RSC1
SCDL
GL3
RSC2
C +
VD D1
CVDD2
100nF 2.2nF
VDD
DT
RDT
Rfb2
SL
ISP
RS
Rfb3
RLP
CLP
CISO
AGND
ISN
ISO
RS
GND AGND
Rfb1
RGL3
Shunt
TLS3
AGND AGND
For details of the current sense feature
please see the dedicated chapter
GND
GND AGND
PGND
Figure 14 Application Circuit TLE7184F
Note: This is a simplified example of an application circuit. The function must be verified in the real application
Data Sheet
35
Rev. 1.1, 2011-04-08