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| TLE6284G_07 Datasheet, PDF (2/16 Pages) Infineon Technologies AG – H-Bridge Driver IC Deactivation of dead time and shoot through protection possible | |||
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Data Sheet TLE6284G
Application Block Diagram
Watchdog
Reset
TLE
I
4278G
Q
CQ
CD D
R
10â¦
47µF
47nF
Cs
47µF
Vs = 12V
Cs
1µF
RQ
47kâ¦
RQ
47kâ¦
WD R Vcc
µC
Vs
BH1
ER1
DH1
68kâ¦
ER2
BCR192W
INH
GH1
SH1
BH2
DH2
DT / DIS
GH2
RDT
RINH
SH2
10kâ¦
220k⦠TLE6284G
CB
220nF
RSCDH1
RSCDH2
CB
220nF
PWM
DIR
GND
DL1
GL1
DL2
GL2
RSCDL1
RSCDL2
RSCDH3
RSCDH4
M
RSCDL3
RSCDL4
This application block diagram shows one of the possibilities to use this Driver IC. The volt-
age divider networks accross the 4 MOSFETs (resistors RSCDxx) allow to increase the current
limit threshold for Short Circuit protection. The RSCDLx resistors also provide a charge path for
the bootstrap capacitors. If RSCDLx resistors are not used in the application, a 12k Ohm resis-
tor should be introduced between SH1 to GND and SH2 to GND.
Data Sheet
2
Rev 2.3 2007-01-11
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