PI2002 datasheet(1/23 Pages) VICOR

部件名	PI2002

功能描述	Active ORing Controller IC with Load Disconnect Feature

PDF	23 Pages

Scroll/Zoom	100%

制造商	VICOR [Vicor Corporation]

网页	http://www.vicorpower.com

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Picor Corporation • picorpower.com

PI2002

Rev1.1 Page 1 of 23

PI2002

Cool-ORingTM Series

Active ORing Controller IC with Load Disconnect Feature

Description

The PI2002 Cool-ORing

TM solution is a high-speed

Active ORing controller IC with a load disconnect

feature designed for use with back-to-back N-

channel MOSFETs in redundant power system

architectures. The PI2002 Cool-ORing controller

enables an extremely low power loss solution with

fast dynamic response to fault conditions, critical for

high availability systems. The PI2002 controls back-

to-back MOSFETs providing true bi-directional

switch capabilities to protect against both power

source and load fault conditions.

The gate drive output turns the MOSFETs on in

normal steady state operation, while achieving high-

speed turn-off during input power source fault

conditions, that cause reverse current flow, with

auto-reset once the fault clears. The PI2002 has the

added benefit of being able to protect against output

load fault conditions that may induce excessive

forward current and device over-temperature by

removing

gate

drive

from

the

back-to-back

MOSFETs with an auto-retry programmable off-time.

The back-to-back MOSFETs drain-to-drain voltage is

monitored to detect normal forward, excessive

forward, light load and reverse current flow. The

PI2002 provides an active low fault flag output to the

system during fault condition.

A temperature

sensing function turns off the MOSFETs and

indicates a fault if the junction temperature exceeds

145

°C.

Features

•

Power Source & Load Fault Protection

•

Fast Dynamic Response, with 120ns reverse &

150ns forward over-current turn-off delay time

•

4A gate discharge current

•

Accurate back-to-back MOSFETs drain-to-drain

voltage sensing to indicate system level fault

conditions

•

Programmable under & over-voltage detection

•

Over temperature fault detection

•

Programmable over-current Gate off time

•

Programmable short circuit load detection

function

•

Active low fault flag output

Applications

•

N+1 Redundant Power Systems

•

Servers & High End Computing

•

Telecom Systems

•

Active ORing with Load Disconnect

•

High current Active ORing

Package Options

The PI2002 is offered in the following packages:

•

3mm x 3mm 10 Lead TDFN package

•

8 Lead SOIC

Typical Applications:

Figure 1a: PI2002 High Side ORing with load disconnect

Figure 1b: PI2002 Low Side Disconnect Switch

类似零件编号 - PI2002

制造商	部件名	数据表	功能描述
Vicor Corporation	PI2002-EVAL1	777Kb / 11P	PI2002-EVAL1 Active ORing With Load Disconnect

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类似说明 - PI2002

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