BTS 6480SF Infineon Technologies, BTS 6480SF Datasheet - Page 30
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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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Figure 9
7.5.2
In case of a reset SPOC device or a SPOC device in stand-by mode the synchronization can be done as follows:
•
•
•
•
•
With the next rising edge of the PWM clock signal
synchronously.
Data Sheet
Set the PWM frequencies, duty cycles, phase shifts of the reset device
Set the device phase shift for the reset SPOC device
Deactivate the automatic PWM generation of all SPOC devices in this daisy chain
With the next SPI transmission activate the automatic PWM generator of all SPOC devices by setting PCR.PST
within one MCS-frame
Activate the channels of the reset SPOC device via the SPI register OUT.OUTn
Phase Shifts between Devices
How to resynchronize a Reset SPOC
OUT.OUT0
OUT.OUT0
OUT.OUT1
PCR.PST
PCR.PST
V
V
V
V
PCLK
OUT0
OUT0
OUT1
t
t
Dev. phase shift1
Dev. phase shift1
DC
t
Ch. phase shift1
PWM0
DC
PWM1
30
f
PWM
the automatic PWM generation will start again
DevicePhaseShift.emf
t
t
t
t
t
t
t
t
t
Automatic PWM Generator
SPOC - BTS6480SF
Device 1
Device 2
Rev. 1.0, 2010-04-12
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