STA3398 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STA3398
STMicroelectronics
'STA3398' PDF : 78 Pages View PDF
STA339BW
Figure 15. OCFG = 11
Half
Bridge
Half
Bridge
Half
Bridge
Half
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
Channel 3
OUT3A
OUT3B
Channel 1
OUT4A
OUT4B
Channel 2
Register description
The STA339BW can be configured to support different output configurations. For each
PWM output channel a PWM slot is defined. A PWM slot is always 1 / (8 * fs) seconds
length. The PWM slot define the maximum extension for PWM rise and fall edge, that is,
rising edge as far as the falling edge cannot range outside PWM slot boundaries.
Figure 16. Output mapping scheme
FFX ™
modulator
FFX1A
FFX1 B
OUT1A
FFX2 A
FFX 2B
FFX3 A
FFX3B
OUT1B
OUT2A
FFX4 A
OUT2B
FFX 4B
REMAP
OUT3A
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
OUT3B
OUT4A
OUT4B
For each configuration the PWM signals from the digital driver are mapped in different ways
to the power stage:
DocID15251 Rev 7
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