LTC2947

RECOMMENDED FOR NEW DESIGNS

30A Power/Energy Monitor with Integrated Sense Resistor

Data Sheet (Rev. B)
Part Models
2
1ku List Price
Starting From $7.07
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Part Details

  • Measures Current, Voltage, Power, Charge, Energy
  • ±30A Current Range with Low 9mA Offset
  • Integrated 300µΩ Sense Resistor
  • 0V to 15V Input Range Independent of Supply Voltage
  • Instantaneous Multiplication of Voltage and Current
  • 0.5% Voltage Accuracy
  • 1% Current and Charge Accuracy
  • 1.2% Power and Energy Accuracy
  • Alerts When Thresholds Exceeded
  • Stores Maximum and Minimum Values
  • Shutdown Mode with IQ < 10μA
  • I2C/SPI Compatible Interface
  • Available in 32-Lead 4mm × 6mm QFN Package
LTC2947
30A Power/Energy Monitor with Integrated Sense Resistor
LTC2947 Application Circuit LTC2947 Performance Graph LTC2947 Pin Configuration
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 3

Technical Articles 1

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
LTC2946
RECOMMENDED FOR NEW DESIGNS Wide Range I2C Power, Charge and Energy Monitor
Analog to Digital Converters 1
LTC2945
RECOMMENDED FOR NEW DESIGNS Wide Range I2C Power Monitor
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Tools & Simulations

Linduino 4

Evaluation Kits

eval board
schematic 1
DC2574A-KIT

LTC2947 Standalone Demo Kit | LTC2947 Demo Board (DC2334) + Linduino (DC2026) + LCD Keypad Shield

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Product Details

The DC2574A-KIT is a standalone power/energy monitor that allows users to evaluate the LTC2947 power/energy monitor without a PC. This document describes how to quickly set up and operate the DC2574A-KIT; users should also refer to the DC2334 demo manual and LTC2947 data sheet for more details. The DC2574A-KIT includes all components required for stand-alone operation except for a power supply and load. The DC2574A-KIT operates with any USB compatible power supply and any load compatible with the LTC2947.

eval board
schematic 2
schematic 3
schematic 4
DC2334A

LTC2947 Demo Board | 30A Energy Monitor with Integrated RSENSE (Requires DC590 or DC2026)

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Product Details

Demonstration circuit 2334A features the LTC2947, a high precision power and energy meter with an internal 30A sense resistor. Three internal ΔΣ ADCs ensure accurate measurement of voltage (0V to 15V) and current (–30A to 30A), while high bandwidth analog multiplication of voltage and current provides accurate power measurement (–450W to 450W) in a wide range of applications. Internal or external clocking options enable precise charge and energy measurements.
DC2574A-KIT
LTC2947 Standalone Demo Kit | LTC2947 Demo Board (DC2334) + Linduino (DC2026) + LCD Keypad Shield
DC2574A-KIT - Demo Board Image
DC2334A
LTC2947 Demo Board | 30A Energy Monitor with Integrated RSENSE (Requires DC590 or DC2026)
DC2334A Demo Board DC2334A Demo Board DC2334A - Schematic

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