ADP1052ACPZ-R7 datasheet(1/113 Pages) AD

номер детали	ADP1052ACPZ-R7

подробное описание детали	Digital Controller for Isolated Power Supply with PMBus Interface

PDF	113 Pages

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производитель	AD [Analog Devices]

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Digital Controller for Isolated

Power Supply with PMBus Interface

Data Sheet

ADP1052

Rev. B

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Tel: 781.329.4700

Technical Support

www.analog.com

FEATURES

Peak data telemetry recording

High speed input voltage feedforward control

6 pulse-width modulation (PWM) logic outputs with 625 ps

resolution

Switching frequency: 49 kHz to 625 kHz

Frequency synchronization as master and slave device

Multiple energy saving modes

Adaptive dead time compensation for efficiency optimization

Low power consumption: 100 mW typical

Direct parallel control for power supplies without OR’ing devices

Accurate droop current share

Prebias startup

Reverse current protection

Conditional overvoltage protection

Extensive fault detection and protection

PMBus compliant

Graphical user interface (GUI) for ease of programming

On-board EEPROM for programming and data storage

Available in a 24-lead, 4 mm × 4 mm LFCSP

−40°C to +125°C operating temperature

APPLICATIONS

High density isolated dc-to-dc power supplies

Intermediate bus converters

High availability parallel power systems

Server, storage, industrial, networking, and communications

infrastructure

GENERAL DESCRIPTION

The ADP1052 is an advanced digital controller with a PMBus™

interface targeting high density, high efficiency, dc-to-dc power

conversion. This controller implements voltage mode control with

high speed, input line feedforward for enhanced transient and

improved noise performance. The ADP1052 has six programmable

pulse-width modulation (PWM) outputs capable of controlling

most high efficiency power supply topologies, with added control

of synchronous rectification (SR). The device includes adaptive

dead time compensation to improve efficiency over the load range,

and programmable light load mode operation, combined with

low power consumption, to reduce system standby power losses.

The ADP1052 implements several features to enable a robust

system of parallel and redundant operation for customers that

require high availability or parallel connection. The device provides

synchronization, reverse current protection, prebias startup,

accurate current sharing between power supplies, and conditional

overvoltage techniques to identify and safely shut down an

erroneous power supply in parallel operation mode.

The ADP1052 is based on flexible state machine architecture

and is programmed using an intuitive GUI. The easy to use

interface reduces design cycle time and results in a robust,

hardware coded system loaded into the built-in EEPROM. The

small size (4 mm × 4 mm) LFCSP package makes the ADP1052

ideal for ultracompact, isolated dc-to-dc power module or

embedded power designs.

TYPICAL APPLICATIONS CIRCUIT

RES

RTD

ADD

VCORE

PG/ALT

CTRL SDA

SCL

AGND

OUTA

OUTB

OUTC

OUTD

CS1

SR1

SR2

VF

OVP

SYNI/FLGI

VDD

DRIVER

LOAD

VS+

DC

INPUT

PMBus

CS2– CS2+

VS–

ADP1052

Coupler®

i

Figure 1.

Аналогичный номер детали - ADP1052ACPZ-R7

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Analog Devices	ADP1050	1Mb / 93P	Versatile digital voltage mode controller Rev. A
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