BTS 6480SF Infineon Technologies, BTS 6480SF Datasheet - Page 45

• Manufacturer Part Number: BTS 6480SF
• Manufacturer: Infineon Technologies

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

9
For diagnosis purpose, the SPOC - BTS6480SF provides a current sense signal at pin IS and the diagnosis word
via SPI. There is a current sense multiplexer implemented that is controlled via SPI. The sense signal can also be
disabled by SPI command. A switch bypass monitor allows to detect a short circuit between the output pin and the
battery voltage.
In OFF-state a current source is able to be switched on for a selected channel with the DCR.CSOL bit. This allows
open load / short circuit detection to
by programming the bit IECR.CSL. Please refer to parameter
Note: Please note: All below stated parameters and functions are valid for the internal channels. The behavior of
Please refer to
Figure 18
Data Sheet
the current sense of the two external channel is restricted to the behavior of the external drivers.
Diagnosis
Block diagram: Diagnosis
Figure 18
load
current
sense
I
IS0
for details on diagnosis function:
R
IS
IS
current sense multiplexer
DCR.MUX
V
BB
in OFF-state. The current value can be configured to a low or a high value
control
ERR0
latch
latch
gate
OR
VBB
temperature
over current
protection
sensor
45
I
T
L(OL)
V
V
(9.8.15).
BB
channel 0
DS(SB)
CSOL
I
L(OL)
DCR.
SBM
Diagnosis_STD .emf
SPOC - BTS6480SF
OUT3
OUT2
OUT1
OUT0
Rev. 1.0, 2010-04-12
Diagnosis