Vicor PI2007-EVAL2 User Manual

Picor Corporation • picorpower.com

PI2007-EVAL2 User Guide Rev. 1.1 Page 1 of 9

PI2007-EVAL2 12V/15A High Side Active ORing

Evaluation Board User Guide

Content Page

Introduction ......................................................... 1

Product Description ............................................ 2

Schematic ........................................................... 3

Bill of Material...................................................... 4

Test Procedure .................................................... 5

Recommended Material ...................................... 5

PCB Layout ......................................................... 8

Mechanical Drawing ............................................ 8



PI2007-EVAL2

Cool-ORing® Series

Cool-ORing® Series

PI2007-EVAL2 Evaluation Board
featuring the Cool-ORing PI2007

Active ORing controller.

The PI2007-EVAL2 Evaluation Board is intended to
acquaint the user with the benefits and features of the

Cool-ORing® PI2007 full function Active ORing solution.

It is not designed to be installed in end-use equipment.

Please read this document before setting up the
PI2007-EVAL2 Evaluation Board and refer to the
PI2007 product datasheet for device specifications,
functional description and characteristics.

Introduction

The PI2007-EVAL2 allows the user to test the basic
principle and operational characteristics of an Active ORing
function in a redundant power architecture, while also
experiencing the benefits and value of the PI2007 solution
versus conventional Active ORing solutions. The PI2007­EVAL2 evaluation board is configured to receive two
independent power source inputs, per a typical redundant
power architecture, through two Active ORing channels
that are combined to form a redundant power output.
Each channel contains a PI2007 controller and a 25V N­channel power MOSFET. The MOSFET foot print can take
an SO-8 or Power SO-8 MOSFET package. Each channel is
capable of up to 15A.

The PI2007-EVAL2 evaluation board is designed with
optimized PCB layout and component placement to
represent a realistic high density final design for an

During operation, the power devices and surrounding
structures can be operated safely at high temperatures.

 Remove power and use caution when connecting

and disconnecting test probes and interface lines to
avoid inadvertent short circuits and contact with hot
surfaces.

 When testing electronic products always use

approved safety glasses. Follow good laboratory
practice and procedures.

embedded high side Active ORing solution for 12V Bus
(10V to 14V) applications requiring up to 15A. This
evaluation board is intended as an easy and simple way to
test the electrical and thermal performance of the PI2007
Active ORing controller.

Both dynamic and steady state testing of the PI2007 can be
completed on the PI2007-EVAL2 evaluation board, in
addition to using the key features of the product. Dynamic
testing can be completed under a variety of system level
fault conditions to check for response time to faults.

This document provides basic instructions for initial start­up and configuration of the evaluation board. Further
information on the functionality of the PI2007 can be
found in the PI2007 product data sheet.

Picor Corporation • picorpower.com

PI2007-EVAL2 User Guide Rev. 1.1 Page 2 of 9

Cool-ORing® PI2007 Product Description

Terminals Maximum Rating

Vin1, Vin2,

25V/15A

Vout

25V/30A

1, 2

-0.3V to 17.3V / 10mA

VL1, VL2 (R5=R6=1.5kΩ)*

5.5V

* VL1, VL2 voltage can be higher than 5.5V, but R5 and R6

values have to be increased to accommodate the LEDs

Terminal

Description

Vin1

Power source Input #1 or bus input designed to accommodate up to 15A continuous current.

Vin2

Power source Input #2 or bus input designed to accommodate up to 15A continuous current.

1

PI2007 (U1) Fault pin: Monitors U1 fault conditions.

2

PI2007 (U2) Fault pin: Monitors U2 fault conditions.

VC1

PI2007 (U1) VC input: Leave this pin unconnected unless an alternative controller bias voltage.

VC2

PI2007 (U2) VC input: Leave this pin unconnected unless an alternative controller bias voltage.

VL1

Fault pin 1 LED supply

VL2

Fault pin 2 LED supply

Vout

Output: Q1 and Q2 MOSFETs drain connection, connect to the load high side.

Rtn

Return Connection: Three Rtn connections are available and are connected to a common point, the Ground plane. Input
supplies Vin1, Vin2, and the output load at Vout should all be connected to their respective local Rtn connection.

The Cool-ORing PI2007 with an external industry
standard 25V N-channel MOSFET provides a complete
Active ORing solution designed for use in 12V Bus (10V to
14V) redundant power system architectures. The PI2007
controller with an N-channel MOSFET enables extremely
low power loss with fast dynamic response to fault
conditions, critical for high availability systems.

The PI2007 controller with a low R

N-channel

DS(on)

MOSFET provides very high efficiency and low power loss
during steady state operation. The PI2007 controller
provides an active low fault flag output to the system
during excessive forward current or reverse current, or
under VC under voltage condition.

Figure 1 shows a photo of the PI2007-EVAL2 evaluation
board, with two PI2007 controllers and two N-channel
MOSFET used to form the two Active ORing channels. The
board is built with two identical Active ORing circuits with
options and features that enable the user to fully explore
the capabilities of the PI2007 Active ORing controller.

Figure 1: PI2007-EVAL2 Evaluation Board (1.8” x 1.8”)

Table 1: PI2007-EVAL2 Evaluation Board Terminals Description

Picor Corporation • picorpower.com

PI2007-EVAL2 User Guide Rev. 1.1 Page 3 of 9

Schematic

Figure 2: PI2007-EVAL2 Evaluation Board schematic.