ADP1043AACPZ-RL datasheet(2/72 Pages) AD

Numer części	ADP1043AACPZ-RL

Szczegółowy opis	Digital Controller for Isolated Power Supply Applications

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ADP1043A

Rev. 0 | Page 2 of 72

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Typical Application Circuit ............................................................. 1

Revision History ............................................................................... 3

Functional Block Diagram .............................................................. 4

Specifications..................................................................................... 5

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

Soldering........................................................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Theory of Operation ...................................................................... 12

Current Sense.............................................................................. 12

Voltage Sense and Control Loop .............................................. 13

ADCs............................................................................................ 13

Digital Filter ................................................................................ 14

PWM and Sync Rect Outputs (OUTA, OUTB, OUTC,

OUTD, OUTAUX, SR1, SR2) ................................................... 14

Synchronous Rectification ........................................................ 15

Adaptive Dead Time Control.................................................... 15

Light Load Mode ........................................................................ 15

Modulation Limit ....................................................................... 15

OrFET Control (GATE) ............................................................ 15

VDD ............................................................................................. 18

VDD/VCORE OVLO ................................................................ 18

Power Good................................................................................. 18

Soft Start ...................................................................................... 19

Current Sharing (Share) ............................................................ 20

Power Supply System and Fault Monitoring............................... 22

Flags.............................................................................................. 22

Monitoring Functions................................................................ 22

Voltage Readings ........................................................................ 22

Current Readings........................................................................ 22

Power Readings........................................................................... 23

Power Monitoring Accuracy..................................................... 23

First Flag Fault ID and Value Registers ................................... 23

External Flag Input (FLAGIN Pin) .......................................... 23

Temperature Readings (RTD Pin)............................................ 23

Overtemperature Protection (OTP) ........................................ 23

Overcurrent Protection (OCP) ................................................ 24

Constant Current Mode ............................................................ 25

Overvoltage Protection (OVP)................................................. 25

Undervoltage Protection (UVP) .............................................. 25

AC Sense (ACSNS)..................................................................... 26

Volt-Second Balance .................................................................. 26

Load Line..................................................................................... 26

Power Supply Calibration and Trim ............................................ 27

CS1 Trim...................................................................................... 27

CS2 Trim...................................................................................... 27

Voltage Calibration and Trim ................................................... 27

Output Voltage Setting (VS3+, VS3− Trim) ........................... 28

VS1 Trim...................................................................................... 28

VS2 Trim...................................................................................... 28

RTD/OTP Trim .......................................................................... 28

Layout Guidelines....................................................................... 28

Communication.............................................................................. 29

I2C Interface ................................................................................ 29

EEPROM ..................................................................................... 31

Software GUI .............................................................................. 32

Register Listing ............................................................................... 33

Detailed Register Descriptions ..................................................... 35

Fault Registers............................................................................. 35

Value Registers............................................................................ 38

Current Sense and Current Limit Registers............................ 41

Voltage Sense Registers.............................................................. 46

ID Registers ................................................................................. 49

PWM and Synchronous Rectifier Timing Registers ............. 50

Digital Filter Programming Registers...................................... 58

Adaptive Dead Time Registers ................................................. 60

EEPROM Registers .................................................................... 64

Resonant Mode Operation............................................................ 65

Resonant Mode Enable.............................................................. 65

PWM Timing in Resonant Mode............................................. 65

Synchronous Rectification in Resonant Mode ....................... 65

Adjusting the Timing of the PWM Outputs........................... 66

Frequency Limit Setting ............................................................ 66

Feedback Control in Resonant Mode ...................................... 66

Soft Start in Resonant Mode ..................................................... 66

Podobny numer części - ADP1043AACPZ-RL

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	ADP1043	141Kb / 8P	Digital Controller for Isolated Power Supply Applications Rev. PrA

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