LM5056A

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3 至 80V、12 位 PMBus 輸出電流/電壓/功率/溫度監(jiān)控器

產(chǎn)品詳情

Common-mode voltage (max) (V) 80 Common-mode voltage (min) (V) 10 Digital interface I2C, PMBus, SMBus Resolution (Bits) 12 Input offset (±) (max) (μV) 300 Voltage gain (V/V) 0.5, 1 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 4.5 Iq (max) (mA) 6.8 Gain error (%) 1.25 Features Digital Temp Monitor Power measurement accuracy (%) 1.75 Rating Catalog Operating temperature range (°C) -40 to 125
Common-mode voltage (max) (V) 80 Common-mode voltage (min) (V) 10 Digital interface I2C, PMBus, SMBus Resolution (Bits) 12 Input offset (±) (max) (μV) 300 Voltage gain (V/V) 0.5, 1 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 4.5 Iq (max) (mA) 6.8 Gain error (%) 1.25 Features Digital Temp Monitor Power measurement accuracy (%) 1.75 Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 28 62.08 mm2 9.7 x 6.4
  • Input Voltage Range: 10 V to 80 V
  • Real-Time Monitoring of VIN, IIN, PIN, VOUT, and VAUX with 12-bit resolution, 1-kHz sampling rate
  • True input Power Measurement using simultaneous sampling of Vin and Iin
  • Remote Temperature Sensing with programmable warning thresholds
  • Power Measurement Accuracy
    • LM5056A: ±1.75%
    • LM5056: ±2.25%
  • Current Measurement Accuracy
    • LM5056A: ±1.25%
    • LM5056: ±1.5%
  • 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
  • Black-Box Capture of Telemetry Measurements and Device Status Triggered by WARN or FAULT Condition
  • I2C/SMBus Interface and PMBus Compliant Command Structure

PMBus is a trademark of Texas Instruments.

  • Input Voltage Range: 10 V to 80 V
  • Real-Time Monitoring of VIN, IIN, PIN, VOUT, and VAUX with 12-bit resolution, 1-kHz sampling rate
  • True input Power Measurement using simultaneous sampling of Vin and Iin
  • Remote Temperature Sensing with programmable warning thresholds
  • Power Measurement Accuracy
    • LM5056A: ±1.75%
    • LM5056: ±2.25%
  • Current Measurement Accuracy
    • LM5056A: ±1.25%
    • LM5056: ±1.5%
  • 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
  • Black-Box Capture of Telemetry Measurements and Device Status Triggered by WARN or FAULT Condition
  • I2C/SMBus Interface and PMBus Compliant Command Structure

PMBus is a trademark of Texas Instruments.

The LM5056/LM5056A combines high-performance analog and digital technology with a PMBus 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.

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.

The LM5056/LM5056A combines high-performance analog and digital technology with a PMBus 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.

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.
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* 數(shù)據(jù)表 LM5056/LM5056A High Voltage System Power Measurement Device with PMBus 數(shù)據(jù)表 (Rev. A) 2013年 4月 1日
應(yīng)用手冊(cè) 將印刷電路板覆銅線跡用作電流檢測(cè) 分流電阻器 PDF | HTML 英語版 PDF | HTML 2022年 6月 8日
用戶指南 AN-2270 LM5056 Evaluation Board 2012年 12月 5日

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The Texas Instruments LM5056EVM evaluation module (EVM) provides the design engineer with a telemetry measurement IC board with a PMBus? compliant SMBus/I2C interface. This application note describes the various functions of the board, how to test and evaluate it, and how to use the companion (...)
用戶指南: PDF
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用戶指南: PDF
英語版 (Rev.A): PDF
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