BTS 6480SF Infineon Technologies, BTS 6480SF Datasheet - Page 21
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BTS 6480SF
Manufacturer Part Number
BTS 6480SF
Description
Manufacturer
Infineon Technologies
Datasheet
1.BTS_6480SF.pdf
(73 pages)
Specifications of BTS 6480SF
Packages
PG-DSO-36
Channels
4.0
Channel Mix
2*4,5mohm+2*11mohm
Led Mode
Yes
Cranking Mode
No
Pwm Engine Integrated
Yes
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6.5
Two external smart power drivers can be driven by the SPOC - BTS6480SF via the external driver control block.
For each external driver there are two control outputs available: one output for controlling the input (EDOx) and
one output for diagnosis enable input (EDDx). The current sense output of the external smart power drivers can
be connected to the IS pin. For details please refer to
The external driver outputs can be used only with applied
pulled down. The external drivers can be activated via SPI-bits OUT.OUT4 and OUT.OUT5 or via the input pin
IN3 in assigned drive mode. They will be served as well by the integrated automatic PWM-generation. Therefore,
the according PWM-frequency and duty cycle needs to be programmed.
For performing diagnosis on the external drivers they can be selected via the SPI register DCR.MUX. For being
compliant to PROFET+ diagnostic functions, it is possible to configure pin EDD0 as DEN and EDD1 as DSEL.
Therefore, the bit IECR.PRO+ needs to be set. The DSEL will be set depending on the multiplexer setting
DCR.MUX.
Table 3
Note: The usable duty cycle range and diagnostic timings for the external drivers depend on the external driver’s
Data Sheet
MUX Setting
DCR.MUX
100
101
b
b
characteristics.
External Driver Control
PROFET+ Compliancy
EDD0 used as DEN
1
1
EDD1 used as DSEL
0
1
Figure
21
V
DD
30.
voltage. The external driver outputs are internally
SPOC - BTS6480SF
Rev. 1.0, 2010-04-12
Power Stages
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