ADP1055-EVALZ datasheet(2/140 Pages) AD

부품명	ADP1055-EVALZ

상세설명	Digital Controller for Power Supply Applications with PMBus Interface

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2 / 140 page

ADP1055

Data Sheet

Rev. A | Page 2 of 140

TABLE OF CONTENTS

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

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

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

Typical Application Diagram .......................................................... 1

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

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

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

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

Soldering...................................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 13

Controller Architecture ................................................................. 16

Start-Up and Power-Down Sequencing ...................................... 17

VDD and VCORE Pins.............................................................. 17

Power-Up and Power-Down Commands ............................... 17

Power Sequencing ...................................................................... 17

Power-Up and Soft Start Routine............................................. 17

Soft Stop Routine........................................................................ 17

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

Control Loop and PWM Operation............................................. 19

Voltage Sense, Feedback, and Control Loop............................. 19

Output Voltage Sense ................................................................. 19

Digital Filter ................................................................................ 19

Digital Filter Programming Registers...................................... 20

Digital Compensation Filters During Soft Start..................... 20

Filter Transition .......................................................................... 20

PWM and Synchronous Rectifier Outputs (OUTA, OUTB,

OUTC, OUTD, SR1, SR2) ......................................................... 21

Synchronous Rectification ........................................................ 21

Modulation Limit ....................................................................... 22

Switching Frequency Programming ........................................ 22

ADCs and Telemetry...................................................................... 23

ADCs for Current Sensing ........................................................ 23

ADCs for Voltage Sensing ......................................................... 24

ADCs for Temperature Sensing................................................ 24

Theory of Operation ...................................................................... 25

Accurate Primary Overcurrent Protection ............................... 25

Primary Fast Overcurrent Protection...................................... 25

Matched Cycle-by-Cycle Current Limit (OCP Equalization)... 25

Low Temperature Filter ............................................................. 25

Voltage Loop Autocorrection ................................................... 25

Nonlinear Gain/Response ......................................................... 26

Integrator Windup and Output Voltage Regulation Loss

(Overshoot Protection) ............................................................. 26

Accurate Secondary Overcurrent Protection ......................... 26

Secondary Fast Overcurrent Protection.................................. 27

Secondary Fast Reverse Current Protection............................... 27

Feedforward and Input Voltage Sense ..................................... 27

Accurate Overvoltage and Undervoltage Protection............. 28

Fast Overvoltage Protection...................................................... 28

External Frequency Synchronization ...................................... 28

Temperature Sensing ................................................................. 29

GPIO and PGOOD Signals....................................................... 29

GPIO3 and GPIO4 as Snubber PWM Outputs...................... 31

Average Constant Current Mode ............................................. 32

32-Bit Key Code ......................................................................... 32

SR Phase-In, SR Transition, and SR Fast Phase-In ................ 33

Output Voltage Slew Rate.......................................................... 33

Adaptive Dead Time Compensation ....................................... 33

SR Delay....................................................................................... 34

Current Sharing (ISHARE Pin) ................................................ 34

Droop Sharing ............................................................................ 36

Light Load Mode and Deep Light Load Mode....................... 37

Pulse Skipping............................................................................. 37

Soft Stop....................................................................................... 37

Duty Cycle Double Update Rate .............................................. 37

Duty Balance, Volt-Second Balance, and Flux Balancing..... 38

Fault Responses and State Machine Mechanics ......................... 39

Priority of Faults ......................................................................... 39

Flags ............................................................................................. 39

First Fault ID (FFID) ................................................................. 39

Fault Condition During Soft Start and Soft Stop ................... 40

Watchdog Timer......................................................................... 40

Standard PMBus Flags............................................................... 42

Black Box Feature ........................................................................... 43

Black Box Operation.................................................................. 43

Black Box Contents .................................................................... 43

Black Box Timing ....................................................................... 44

유사한 부품 번호 - ADP1055-EVALZ

제조업체	부품명	데이터시트	상세설명
Analog Devices	ADP1050	1Mb / 93P	Versatile digital voltage mode controller
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	ADP1050ACPZ-RL	1Mb / 93P	Versatile digital voltage mode controller
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	ADP1051	785Kb / 17P	Digital Controller for Isolated Power Supply with PMBus Interface Rev. PrA

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유사한 설명 - ADP1055-EVALZ

제조업체	부품명	데이터시트	상세설명
Analog Devices	ADP1051	785Kb / 17P	Digital Controller for Isolated Power Supply with PMBus Interface Rev. PrA
Analog Devices	ADP1052	2Mb / 113P	Digital Controller for Isolated Power Supply with PMBus Interface Rev. B
Maxim Integrated Produc...	MAX8688	407Kb / 38P	Digital Power-Supply Controller/Monitor with PMBus Interface Rev 1; 12/09
Maxim Integrated Produc...	MAX8688	463Kb / 38P	Digital Power-Supply Controller/Monitor with PMBus Interface Rev 2; 2/11
Monolithic Power System...	MP2953B	2Mb / 30P	Digital Multi-Phase Controller with PMBus Interface for VR12.5
Linear Technology	LTC7510	78Kb / 2P	Digital DC/DC Controller with PMBus Interface
Analog Devices	ADM1293	777Kb / 48P	Digital Power Monitor with PMBus Interface
	ADP1043	141Kb / 8P	Digital Controller for Isolated Power Supply Applications Rev. PrA
	ADP1043A	1Mb / 72P	Digital Controller for Isolated Power Supply Applications REV. 0
	ADP1046A	1Mb / 88P	Digital Controller for Isolated Power Supply Applications REV. 0

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