LTC2947
30A Power/Energy Monitor
with Integrated Sense Resistor
Features Description Measures Current, Voltage, Power, Charge, Energy
nn В±30A Current Range with Low 9mA Offset
nn Integrated 300ВµО© Sense Resistor
nn 0V to 15V Input Range Independent of Supply Voltage
nn Instantaneous Multiplication of Voltage and Current
nn 0.5% Voltage Accuracy
nn 1% Current and Charge Accuracy
nn 1.2% Power and Energy Accuracy
nn Alerts When Thresholds Exceeded
nn Stores Maximum and Minimum Values
nn Shutdown Mode with I < 10ОјA
Q
nn I2C/SPI Compatible Interface
nn Available in 32-Lead 4mm Г— 6mm QFN Package The LTCВ®2947 is a high precision power and energy monitor with an internal sense resistor supporting up to В±30A.
Three internal No Latency Δ∑™ ADCs ensure accurate
measurement of voltage and current, while high-bandwidth
analog multiplication of voltage and current provides accurate power measurement in a wide range of applications.
Internal or external clocking options enable precise charge
and energy measurements. Applications All measured quantities are stored in internal registers accessible via the selectable I2C/SPI interface. The LTC2947
features programmable high and low thresholds for all …