Does ADO1047 have any loading concern ?
I setup 0.1ms to load ADP1047 I2C , It will shuntdown until the time up to 250ms !!
Anything I miss ?
What source of supply frequencies does the ADP1047 support? Is it limited to 50/60 Hz, or will it also handle PFC for a 400 Hz supply frequency?
I now try to operate and test ADP1047 300W Evaluation Kit (ADP1047-300-EVALZ), PRD-1334 V1.3 document Page2 VIN Typ. 115 or 230, Efficiency@95%, but this document not have any Efficiency test waveform can you to provide this information…
I do a PFC stage for 650w which use ADP1047
switch freq = 60K
Choke = 370uH
When I checked the duty cycle during the VAC pin valley @Vin=230V
Why the duty close to 95% ? Is it right ? (see the attachment , yellow for duty cycle , green for ADP1047…
You can take a look at ADP1047/8, which are digital PFC controller. In your application, you have to use three of them for three phase input voltage.
The link is http://www.analog.com/en/power-management/digital-power-management/adp1047/products/product…
I just download and install the latest version of ADP1047/8 GUI software (Version 2.2.9)
And I have problem every times I try to into the Voltage Fast Loop page no matter the ADP1047 EVB is connected or not.
My OS is windows 8.1, and I also test…
ADP1047/8 supports READ_VIN and READ_VOUT commands (see registers 0x88 to 0x8B in datasheet). It also supports READ_PIN command (see register 0x97 in datasheet).
This is how PWM and PWM2 will look in ADP1047 (see attachment).
Can you please advise me of the output voltage if the input before the bridge is 380Vrms? What is your end application?
It depend on the topology of three phase PFC. ADP1047/8 can be used as the digital controller of three-phase single-switch PFC topology. The 6th hamonic enjection can also be implemented. More information is available upon request.