TLE9871QXA20_15 Datasheet, PDF (77/122 Pages) Infineon Technologies AG – Microcontroller with PWM Interface and BLDC MOSFET Driver for Automotive Applications

28
Application Information
TLE9871QXA20
Application Information
28.1
BLDC Driver
Figure 32 shows the TLE9871QXA20 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
PWM
GND
LPFILT
CPFILT 1
CPFILT 1
EMC Filter
DVS
CVS2
CVDDP 2
CVD D P1
CVD D C 1
VDDP VDDC
VS
CVS 1
CPWM_IO
TLE 4946 -2 K
Hall
TLE4946 -2K
Hall
TLE4946 -2K
Hall
RMON
CMON
MON
PWM_IO
GND_PWM
VAREF
CVAR EF
GND_REF
CAD C
RVDDPU ^{CVDD_EXT 2}
RVD D PU
RAD C
CAD C
RVD D PU
RAD C
CAD C
RAD C
CVDD_EXT 1
V DD _E X T
P0.3
P1.4
P0.2
TLE9871
Temp Sensor
P2.2
P1.2
BLDC System
P1.0
Debug Connector
TMS
P0.0
RTMS
GND
CVDDC2
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
DR P
CCPS 1
CCPS 2
TRP
RRP 2
TRPG
RR P1
RVSD
CVSD
CVCP
RVDH
CVDH
RGATE
G
RGS
CGS
CEMCP 1
RGATE
CEMCP 2
RGATE
CEMCP 3
RGATE
G
RGS
CGS
RGATE
RGATE
D
TH1
CPH1
S
G
RGS
CGS
D
TL1
S
G
RGS
CGS
D
TH2
CPH2
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
C PH 3
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