PI2001 datasheet(1/23 Pages) VICOR

部件名	PI2001

功能描述	Universal Active ORing Controller IC

PDF	23 Pages

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制造商	VICOR [Vicor Corporation]

网页	http://www.vicorpower.com

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PI2001

Cool-ORing

TM Series

Universal Active ORing Controller IC

Description

The PI2001 Cool-ORing

TM

solution is a universal

high-speed Active ORing controller IC designed for

use with N-channel MOSFETs in redundant power

system architectures. The PI2001 Cool-ORing

controller enables an extremely low power loss

solution with fast dynamic response to fault

conditions, critical for high availability systems. The

PI2001 controls single or parallel MOSFETs to

address

Active

ORing

applications

protecting

against power source failures. The PI2001 can be

used in either high-side or low-side Active ORing

applications and a master/slave feature allows the

paralleling of IC/MOSFET chipsets for high current

Active ORing.

The gate drive output turns the MOSFET 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 MOSFET

drain-to-source voltage is monitored to detect

normal forward, excessive forward, light load and

reverse current flow. The PI2001 provides an active

low fault flag output to the system during excessive

forward current, reverse current, light load, over-

voltage, under-voltage and over-temperature fault

conditions. There is an internal shunt regulator at

the VC input for high voltage applications and the

under-voltage and over-voltage thresholds are

programmable via external resistor dividers.

Features

•

Fast Dynamic Response to Power Source

failures, with 160ns reverse current turn-off

delay time

•

4A gate discharge current

•

Accurate MOSFET drain-to-source voltage

sensing to indicate system level fault conditions

•

Programmable under & over-voltage detection

•

Over temperature fault detection

•

Adjustable reverse current blanking timer

•

100V for 100ms operation in low side

applications

•

Master/Slave I/O for paralleling (TDFN only)

•

Active low fault flag output

Applications

•

N+1 Redundant Power Systems

•

Servers & High End Computing

•

Telecom Systems

•

Low & High-side Active ORing

•

High current Active ORing

Package Information

The PI2001 is offered in the following packages:

•

10 Lead 3mm x 3mm TDFN package

•

8 Lead SOIC package

Typical Applications:

Figure 1a: PI2001

High Side Active ORing

Figure 1b: PI2001

Low Side Active ORing

Picor Corporation • picorpower.com

PI2001

Rev 1.0

Page 1 of 23

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制造商	部件名	数据表	功能描述
Vicor Corporation	PI2001-EVAL1	659Kb / 11P	PI2001-EVAL1 Active ORing

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