TLE7181EM Datasheet, PDF (25/29 Pages) Infineon Technologies AG – H-Bridge and Dual Half Bridge Driver IC

H-Bridge and Dual Half Bridge Driver IC
TLE7181EM
Application Information
6
Application Information
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.
This is the description how the IC is used in its environment…
µC
e.g.: XC878
GND
CVS2
10nF
CVS1
2,2µF
PGND
R_VS
CREG1
CREG2
2,2µF
10nF
PGND
RG
GND
RRPS 4.7kΩ
VS
VREG ^RPP
____
ERR
VDH
BH1
GH1
SH1
ENA
BH2
DRVDIS
PWM
DIR
GH2
SH2
TLE
7181EM
DT
CBS1
330nF _THS1
RGH1
CBS2
330nF
R_DT
CSNH1
CC1 _{+ CB1}
R_SNH1
PGND
THS2
RGH2
VDD
RSC1
RSC2
SCDL
RISO
CISO
100pF
ISO
GND
GND
GL1
TLS 1
RGL 1
CSNL1
RSNL1
GL2
SL
Vref
RREF1
TLS 2
RGL2
ISP
ISN
C_IS^RREF2
50pF
RS2
GND
RS1
RFB
RFB =( RR EF1|| RR E F2)
Shunt
L
2,2µH
V_BAT
CSNH2
RSNH2
CC2
+ ^CB2
PGND
M
C_SNL2
R_SNL2
GND
GND
PGND
Figure 7 Application Diagram 1: DC-Brush motor controlled by TLE7181EM
Note: This are very simplified examples of an application circuit. The function must be verified in the real
application.
Data Sheet
25
Rev 1.1, 2010-09-30