TLE9879QXA40_15 Datasheet, PDF (77/122 Pages) Infineon Technologies AG – Microcontroller with LIN and BLDC MOSFET Driver for Automotive Applications

28
Application Information
TLE9879QXA40
Application Information
28.1
BLDC Driver
Figure 32 shows the TLE9879QXA40 in an electric drive application setup controlling a BLDC motor.
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
Rev . Polarity Protection
VBAT
IGN
LIN
GND
LPFILT
CPFILT 1
CPFILT 1
EMC Filter
CVDDP 2
CVD D P1
CVD D C 1
DVS
CVS2
CVS 1
VDDP VDDC
VS
RMON
CMON
MON
LIN
CLIN
GND_LIN
VAREF
CVAR EF
GND_REF
TLE 4946 - 2 K
Hall
TLE4946 -2K
Hall
TLE4946 -2K
Hall
CADC
RVDDPU ^{CVDD_EXT 2}
RVD D PU
RADC
CADC
RVD D PU
RADC
CADC
RADC
CVDD_EXT 1
VDD_EXT
P0.3
P1.4
P0.2
TLE9879
Temp Sensor
P2.2
P1.2
BLDC System
P1.0
Debug Connector
TMS
P0.0
RTMS
GND
CVD D C2
CP1H
CP1L
CP2H
CP2L
VCP
VSD
VDH
GH1
SH1
GH2
SH2
GH3
SH3
GL 1
GL2
GL3
SL
OP2
OP1
P2.0
P2.3
P2.4
P0.1
P0.4
P2.5
P1.3
DRP
CCPS 1
CCPS 2
TRP
RR P 2
TRPG
RRP1
RVSD
CVSD
CVCP
RVDH
CVD H
RGATE
G
RGS
CGS
CEMCP 1
RGATE
CEMCP 2
RGATE
D
TH1
CPH1
S
G
RGS
CGS
D
TH2
CPH2
S
G
RGS
CGS
CEMCP 3
RGATE
G
RGS
CGS
RGATE
RGATE
D
TL1
S
G
RGS
CGS
D
TL2
S
G
RGS
CGS
ROPAFILT
RGATE
COPAFILT
RGATE
ROPAFILT
Input Protection
Circuit
Input Protection
Circuit
RShunt
Input Protection
Circuit
D
TH3
CPH3
S
U
V
W
M
D
TL3
S
Figure 32 Simplified Application Diagram Example
Note: This is a very simplified example of an application circuit and bill of materials. The function must be verified
in the actual application.
Data Sheet
77
Rev. 1.0, 2015-04-30