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LT9890 - 150A Current Monitor

Description

The LT9890 is a high-precision current monitor with an internal current-sense element supporting up to 150 A of load current.

Factory calibration of the current-sense element and a zero temperature coefficient architecture results in less than 1.3% total unadjusted error (TUE).

Features

  • Integrated current sense element.
  • 150 A current range.
  • 26,600:1 input-to-output current ratio (5 mA at 133 A).
  • ±1.3% TUE maximum (ISENSE = 45 A to 150 A).
  • 3.2 MHz small-signal bandwidth (ISENSE = 150 A).
  • 150 μΩ current path resistance.
  • Powered from 2.7 V to 65 V.
  • Intel Psys compatible.
  • Available in 108-terminal, 10 mm × 20 mm × 2.75 mm, LGA package.

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Full PDF Text Transcription

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Data Sheet LT9890 150 A Current Monitor for Intel Psys Applications FEATURES ► Integrated current sense element ► 150 A current range ► 26,600:1 input-to-output current ratio (5 mA at 133 A) ► ±1.3% TUE maximum (ISENSE = 45 A to 150 A) ► 3.2 MHz small-signal bandwidth (ISENSE = 150 A) ► 150 μΩ current path resistance ► Powered from 2.7 V to 65 V ► Intel Psys compatible ► Available in 108-terminal, 10 mm × 20 mm × 2.75 mm, LGA package APPLICATIONS ► Computers and network servers ► Intel central processing unit (CPU) motherboards ► Network storage ► Communication equipment ► Electric vehicles ► Photovoltaics TYPICAL APPLICATION CIRCUIT FUNCTIONAL BLOCK DIAGRAM Figure 2. Functional Block Diagram (RS Is the Sense Resistor, and RG Is the Gain Resistor.
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