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LTC2946 Datasheet Charge And Energy Monitor

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC2946 Wide Range I2C Power, Charge and Energy Monitor.

General Description

n Rail-to-Rail Input Range: 0V to 100V n Wide Input Supply Range: 2.7V to 100V n Shunt Regulator for Supplies >100V n Δ∑ ADC with Less Than ±0.4% Total Unadjusted Error n 12-Bit Resolution for Current and Voltages n ±1% Accurate Power and Energy Measurements n ±0.6% Accurate Current and Charge Measurements n Additional ADC Input Monitors an External Voltage n Internal ±5% or External Time Bases n Continuous Scan and Snapshot Modes n Stores Minimum and Maximum Values n Alerts When Limits Exceeded n Split SDA Pin Eases Opto-Isolation n Shutdown Mode with IQ < 40µA n Available in 4mm × 3mm DFN and 16-Lead MSOP Packages APPLICATIONS n Telecom Infrastructure n Industrial Equipment n General Purpose Energy Measurement The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy.

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