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LT2940IMS#PBF The LT2940IMS#PBF is a Power and Current Monitor IC from LT. It features four-quadrant power measurement and a wide supply voltage range.
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LT2940IMS#PBF

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Mfr Name: LT
LT
The LT2940IMS#PBF is a Power and Current Monitor IC from LT. It features four-quadrant power measurement and a wide supply voltage range.
✓ Total Stock: 696 pcs

LT2940IMS#PBF Available from 1 distributor

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696 pcs
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696 pcs On Request 1 On Request On Request 19+ On Request On Request
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LT2940IMS#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LT2940IMS#PBF Description

Short technical summary and product information.

The LT2940IMS#PBF is a versatile Power and Current Monitor IC manufactured by LT. This component is designed for applications requiring precise measurement of power and current, handling bidirectional high-side currents and bipolar voltage differences. It offers four-quadrant power measurement with an accuracy of ±5% and current measurement accuracy of ±3%.

 

The device operates with a high-side sense voltage range from 4V to 80V (100V max) and a supply voltage range of 6V to 80V (100V max). It provides current mode outputs for both power and current, simplifying scaling and filtering. An integrated comparator with open-collector outputs allows for power level monitoring and alarms, such as the 60W alarm mentioned in typical applications.

 

The LT2940IMS#PBF is available in compact 12-pin DFN (3mm x 3mm) and 12-lead MSOP packages, both suitable for surface mounting. Its output bandwidth exceeds 500kHz, making it suitable for dynamic power monitoring tasks. This IC is ideal for board-level power and current monitoring, line card and server power monitoring, and power control loops.

LT2940IMS#PBF Quick Information

Product Type: Power and Current Monitor IC
Canonical Name: LT2940 Power and Current Monitor IC
Subcategory: Current Regulation/Management

LT2940IMS#PBF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LT2940IMS#PBF Features

  • Measures high side current and differential voltage.
  • Outputs current proportional to instantaneous power.
  • Handles bidirectional currents and bipolar voltages.
  • ±5% power measurement accuracy.
  • Available in DFN and MSOP packages.

LT2940IMS#PBF Applications

  • Board level power and current monitoring.
  • Line card and server power monitoring.
  • Power sense circuit breaker.
  • Power control loops.
  • Power/energy meters.

LT2940IMS#PBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

6V to 80V.

What is the high side sense voltage range?

4V to 100V.

What is the power measurement accuracy?

±5%.

What is the current measurement accuracy?

±3%.

What is the output bandwidth?

500kHz.

What packages are available?

12-Pin DFN (3mm × 3mm) and 12-Lead MSOP.

What is the maximum comparator output current?

22mA.

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