STEVAL-ISF002V1 STMicroelectronics, STEVAL-ISF002V1 Datasheet - Page 38

• Manufacturer Part Number: STEVAL-ISF002V1
• Description: BOARD EVALUATION
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISF002V1

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10422

Digital PFC firmware
6.4
38/62
Digital PFC firmware execution
Figure 29
Figure 29. PFC firmware flowchart
The timing of the PFC is explained in
shows the sequence of events for the digital PFC firmware.
wait for relay stabilization
wait for charging of PFC
by-pass resistor against
enable PFC protections
wait until all PFC inputs
read mains frequency
enable timer for ADC
enable PFC routine
PFC Configuration
output capacitors
have been read
in-rush current
PFC routine
happened?
frequency
protection
No
execution
stop PFC
Ye
software
Is mains
Has any
s
range?
trigger
out of
Doc ID 16854 Rev 1
Figure 30
No
Ye
s
.
happened?
protection
hardware
Ye
Has any
s
No
UM0877