CP2000DC54 datasheet(5/8 Pages) LINEAGEPOWER

Part #	CP2000DC54

Description	Compact Power Line Input: -40 to -72 Vdc; Outputs: 짹54 Vdc at 2000W; 5 Vdc at 4W

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Manufacturer	LINEAGEPOWER [Lineage Power Corporation]

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Data Sheet

Compact Power Line

CP2000DC54-PE DC/DC Converter

Lineage Power

5

Status and Control

The PEM provides two means for monitor/control:

analog or I

2C.

Details of analog controls are provided in this data

sheet under Signal Definitions. Lineage Power will

provide separate application notes on the I

2C

protocol for users to interface to the CPL PEMs.

Contact your local Lineage Power representative

for details.

Hot Plug

When rapidly extracting and reinserting modules

care should be taken to allow for discharging the

internal bias supply so that a predictable restart

could be achieved. The way to ensure that the

circuit sufficiently discharges is to observe the

spinning of the fans after an extraction. The unit

should not be reinserted until the fans stop

spinning.

Without bleeding down internal bias the module

may remember its last assigned address and may

not configure itself properly if reinserted into

another slot.

Control Definitions

All signals are referenced to Logic_GRD unless

otherwise noted. See the Signal Definitions Table

at the end of this document for further description

of all the signals.

Input Signals

Margining:

Set point of the PEM can be changed

via this input pin. Programming can be either a

voltage source or a resistance divider. The

margining pin is connected to 3.3Vdc via a 10kΩ

resistor inside the PEM. See graphs below.

-58

-46

0.1

3.3Vdc

Vcontrol

-44

0

An open circuit on this pin reverts the voltage level

back to the original setting.

Software commanded margining overrides the

hardware set point indefinitely or until the default

setting is reinstated for example if input power and

bias power have been removed from the module.

Module Present Signal:

The power supply alerts

the system when it is properly plugged in via a

500Ω resistor in series between this signal and

Logic GRD.

Protocol Select:

This pin must remain a no-

connect. Do not connect to either output or

Logic_GRD.

Enable:

On/Off control when I

2C communications

are utilized as configured by the Protocol pin. This

pin must be pulled low to turn ON the power

supply. The power supply will turn OFF if either the

Enable

or the ON/OFF pin is released. This signal

is referenced to Logic_GRD.

ON/OFF:

This is a short pin utilized for hot-plug

applications to ensure that the power supply turns

OFF

before the power pins are disengaged. It also

ensures that the power supply turns ON only after

the power pins have been engaged. Must be

connected to V_OUT (-DC).

Output Signals

Power_OK:

This signal is HI when the main output

is present and goes LO when the main output is not

present.

I_limit:

This signal is HI when the main output is

not in current limit and goes LO when current limit

has activated.

Alert #:

I

2C interrupt signal.

Fault:

This signal goes LO for any failure that

requires PEM replacement. Some of these faults

may be due to:

 Fan failure

 Over-temperature condition

 Over-temperature shutdown

 Over-voltage shutdown

 Internal PEM Fault

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