Datasheet > LM5056APMHE/NOPB

LM5056APMHE/NOPB

更新时间： 2024-10-01 12:02:39

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High-Voltage System Power Management Device with PMBusâ¢

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LM5056APMHE/NOPB 数据手册

LM5056, LM5056A

www.ti.com

SNVS827A – OCTOBER 2012–REVISED APRIL 2013

High-Voltage System Power Management Device with PMBus™

Check for Samples: LM5056, LM5056A

FEATURES

APPLICATIONS

•

Input Voltage Range: 10 V to 80 V

•

Server Backplane Systems

Real-Time Monitoring of VIN, IIN, PIN, VOUT,

and VAUX with 12-bit resolution, 1-kHz

sampling rate

Base Station Power Distribution Systems

Industrial Telemetry Applications

•

True input Power Measurement using

simultaneous sampling of Vin and Iin

DESCRIPTION

The LM5056/LM5056A combines high-performance

analog and digital technology with

a PMBus™

Remote Temperature Sensing with

programmable warning thresholds

compliant SMBus™ and I²C interface to accurately

measure the electrical operating conditions of

systems connected to a backplane power bus. The

LM5056/LM5056A continuously supplies real-time

power, voltage, current, temperature and fault data to

the system management host via the SMBus

interface.

Power Measurement Accuracy

–

LM5056A: ±1.75%

LM5056: ±2.25%

•

Current Measurement Accuracy

–

LM5056A: ±1.25%

LM5056: ±1.5%

The LM5056/LM5056A monitoring block computes

both the real time and average values of subsystem

operating parameters (VIN, IIN, PIN, VOUT) as well

as the peak power. Accurate power averaging is

accomplished by averaging the product of the input

voltage and current. A black-box (telemetry and fault

snapshot) function captures and stores telemetry data

and device status in the event of a warning or a fault.

•

Voltage Measurement Accuracy: ±1.0%

Averaging of VIN, IIN, PIN, and VOUT with

Programmable Interval Ranging from 0.001 s

to 4 s

•

Programmable WARN and FAULT Thresholds

with SMBA Notification

SPACER

BETWEEN

COLUMN

AND

Black-Box Capture of Telemetry

Measurements and Device Status Triggered by

WARN or FAULT Condition

APPLICATION DIAGRAM

•

I²C/SMBus Interface and PMBus Compliant

Command Structure

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PMBus is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...46

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与LM5056APMHE/NOPB相关器件

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LM5056APMHX/NOPB	TI	获取价格	High-Voltage System Power Management Device w
LM5056PMH/NOPB	TI	获取价格	High-Voltage System Power Management Device w
LM5056PMHE/NOPB	TI	获取价格	High-Voltage System Power Management Device w
LM5056PMHX/NOPB	TI	获取价格	High-Voltage System Power Management Device w
LM5060	NSC	获取价格	High-Side Protection Controller with Low Quiescent Current
LM5060	TI	获取价格	LM5060 High-Side Protection Controller with Low Quiescent Current
LM5060_14	TI	获取价格	High-Side Protection Controller with Low Quiescent Current
LM5060EVAL	NSC	获取价格	Evaluation Board Output Current Range: 0A to 5.0A
LM5060MM	NSC	获取价格	High-Side Protection Controller with Low Quiescent Current
LM5060MM/NOPB	TI	获取价格	5.5-V to 65-V high side protection controller 10-VSSOP -40 to 125

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