TLD5190QV Datasheet, PDF (48/58 Pages) Infineon Technologies AG – H-Bridge DC/DC Controller for High Power LED Lighting

11.5
EMC optimized schematic
H-Bridge DC/DC Controller
TLD5190QV
Infineon FLAT SPECTRUM Featureset
Figure 30 below displays the Application circuit with additional external components for improved EMC behavior.
VIN
DVS
LPI
RIIN
CIN2
Alternative
external
VREG supply
CPI1 CPI2
CPI3 CPI4
CIN1
VIN
IVCC_EXT
IVCC
Rfilter
R1
Cfilter
R2
R3
CCOMP R_COMP
CSOFT_START
RFREQ
µC SYNC signal
Digital dimminig
Advanced monitoring via µC
SYNC of other DCDC
Spread Spectrum ON /OFF
Analog dimminig
CREF
Errorflag monitoring
IIN2
IIN1
EN/INUVLO
INOVLO
BST1
BST2
HSGD1
SWN1
COMP
SOFT_START
LSGD 1
SWCS
FREQ
SGND
SYNC
PWMI
IINMON
IOUTMON
CLKOUT
Spread Spectrum
PGND1
PGND2
LSGD2
SWN2
HSGD2
VFB
VREF
FBH
SET
EF1
FBL
EF2 VSS AGND
DHSG1
M1
RHSG1
DLSG1
M2
RLSG1
CIVCC
D1
D2
RM4
RM1
CBST2
CBST1
CM1
CM4
LOUT
RM2
RM3
CM2
CM3
COUT
M4
RHSG2
M3
RSWCS
DLSG2
RLSG2
DHSG2
CFBH-FBL
CFBH
CFBL
RFB
RVFBH
RVFBL
LPO
CPO1 CPO2
CPO3 CPO4
4LED in
series /
1A
Figure 30 Application Drawing Including Additional Components for an Improved EMC Behavior
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.
Data Sheet
48
Rev. 1.0, 2016-05-20