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ADP1048DC1-EVALZ Fiches technique(PDF) 2 Page - Analog Devices

No de pièce ADP1048DC1-EVALZ
Description  Digital Power Factor Correction Controller
Download  84 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADP1048DC1-EVALZ Fiches technique(HTML) 2 Page - Analog Devices

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ADP1047/ADP1048
Data Sheet
Rev. 0 | Page 2 of 84
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Applications....................................................................................... 1
 
General Description ......................................................................... 1
 
Typical Applications Circuit............................................................ 1
 
Revision History ............................................................................... 4
 
Specifications..................................................................................... 6
 
Absolute Maximum Ratings............................................................ 9
 
Thermal Resistance ...................................................................... 9
 
ESD Caution.................................................................................. 9
 
Pin Configurations and Function Descriptions ......................... 10
 
Functional Block Diagrams........................................................... 11
 
Controller Architecture ................................................................. 12
 
Current Sense.............................................................................. 12
 
RMS Input Overcurrent Protection ......................................... 12
 
Fast Overcurrent Protection (ILIM Pin) ................................. 12
 
Current Balancing (IBAL Pin, ADP1048 Only)..................... 14
 
Voltage Sense............................................................................... 14
 
Overvoltage Protection.............................................................. 15
 
Power Factor Correction Control Loop ...................................... 17
 
Digital Compensation Filters.................................................... 17
 
Pulse-Width Modulation........................................................... 18
 
Duty Cycle Minimum/Maximum Limits................................ 18
 
Auxiliary PWM Output (ADP1047 Only).............................. 18
 
Switching Frequency Programming ........................................ 19
 
Line Fault Protections and Soft Start Sequencing ...................... 20
 
PSON Operation ........................................................................ 20
 
AC Line Detection...................................................................... 20
 
Soft Start Procedure ................................................................... 22
 
Line Fault Protections ................................................................ 22
 
Advanced Input Power Metering.................................................. 24
 
Power Supply System and Fault Monitoring............................... 25
 
Flag Conventions........................................................................ 25
 
Manufacturer-Specific Flags ..................................................... 25
 
Standard PMBus Flags ............................................................... 26
 
PMBus Fault Flag Response...................................................... 27
 
Manufacturer-Specific Flag Response ..................................... 28
 
Monitoring Functions................................................................ 29
 
First Error Fault .......................................................................... 29
 
Overtemperature Protection (OTP) ........................................ 29
 
AC_OK and PGOOD Signals ................................................... 29
 
Advanced Features ......................................................................... 30
 
Frequency Dithering (Spread Spectrum)................................ 30
 
PWM Frequency Synchronization........................................... 30
 
Smart Output Voltage (Load Line) .......................................... 30
 
Smart Switching Frequency ...................................................... 31
 
Current Loop Filter for Light Load.......................................... 31
 
Phase Shedding (ADP1048 Only)............................................ 31
 
Current Loop Feedforward ....................................................... 31
 
Bridgeless Boost Operation (ADP1048 Only)........................ 32
 
Power Supply System Calibration and Trim ............................... 33
 
Output Voltage (VFB) Calibration and Trim ......................... 33
 
Input Voltage (VAC) Gain and Offset Trim............................ 33
 
Current Sense Gain and Offset Trim....................................... 33
 
Input Power Gain and Offset Trim .......................................... 33
 
PMBus Digital Communication................................................... 34
 
Features........................................................................................ 34
 
Overview ..................................................................................... 34
 
PMBus Address .......................................................................... 34
 
Data Transfer............................................................................... 35
 
General Call Support ................................................................. 36
 
Fast Mode .................................................................................... 36
 
Fault Conditions ......................................................................... 36
 
Timeout Condition .................................................................... 36
 
Data Transmission Faults .......................................................... 37
 
Data Content Faults ................................................................... 37
 
EEPROM ......................................................................................... 38
 
Overview ..................................................................................... 38
 
Page Erase Operation................................................................. 38
 
Read Operation (Byte Read and Block Read) ........................ 38
 
Write Operation (Byte Write and Block Write) ..................... 39
 
EEPROM Password.................................................................... 39
 
Downloading EEPROM Settings to Internal Registers......... 39
 
Saving Register Settings into EEPROM .................................. 40
 
EEPROM CRC Checksum ........................................................ 40
 
Software GUI .................................................................................. 41
 
Standard PMBus Commands Supported by the
ADP1047/ADP1048....................................................................... 42
 
Manufacturer-Specific PMBus Commands................................ 43
 
Detailed Register Descriptions ..................................................... 45
 
OPERATION Register............................................................... 45
 


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