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| TLE6284G Datasheet, PDF (2/15 Pages) Infineon Technologies AG – H-Bridge Driver IC | |||
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Data Sheet TLE6284G
Application Block Diagram
Watchdog
Reset
TLE
I
4278G
Q
CQ
47µF
D
CD = 47nF
R = 10 Ohm
Cs = 47µF
Vs = 12V
RQ
47kOhm
Cs = 47µF
RQ
47kOhm
WD R Vcc
Vs
ER1
ER2
68 kOhm
BCR192W
INH
µC
DT / DIS
RQ
10kOhm
RINH
220k
PWM
DIR
GND
Cs = 1µF
BH1
DH1
GH1
SH1
BH2
DH2
GH2
SH2
CB
220nF
RSCD
RSCD
CB
220nF
DL1
GL1
DL2
GL2
RSCD1
RSCD2
RSCD
RSCD
M
RSCD3
RSCD4
This application block diagram shows one of the possibilities to use this Driver IC. The volt-
age devider networks accross the 4 MOSFETs (resistors RSCD) allow to increas the current
limit threshold for Short Circuit protection. The RSCD resistors also provide a charge path for
the bootstrap capacitors. If RSCD resistors are not used in the application, a 12k Ohm resistor
should be introduced between SH1 to GND and SH2 to GND.
2
2006-01-30
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