Energy Monitors
Analog Devices energy monitors provide accurate, board level energy measurements in addition to other key parameters. Internal accumulators provide accurate readings of charge energy and time, with the option of using a convenient internal crystal or a more accurate external crystal as a time base. The energy monitors in this portfolio offer current, voltage, power, charge, and energy readings for rails up to 100 V or beyond using an internal shunt regulator, while others provide parametric readings and convenient sense resistor monitoring of up to ±30 A rails with only 9 mA of offset (high dynamic range).
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Energy Monitors
| SortOrder | Part# | Number of Supplies | Vin Range | Features | ADC | Interface | Comments | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|
| 1 | LTC2947-65 | 1 | ±65A Current Range | Charge Monitor, Current Monitor, Energy Monitor, Integrated Rsense, Power Monitor, Voltage Monitor | 18-bit | I²C, SPI | 65A+ Power/Energy Monitor with Integrated Sense Resistor | $6.45 (LTC2947IUHF-65#PBF) |
| 2 | LTC2947 | 1 | 0V to 15V | Charge Monitor, Current Monitor, Energy Monitor, Integrated Rsense, Power Monitor, Voltage Monitor | 18-bit | I²C, SPI | 30A Power/Energy Monitor with Integrated Sense Resistor | $5.95 (LTC2947IUFE#PBF) |
| 3 | LTC2946 | 1 | -100V to +100V (extendable to higher voltages) | Current Monitor, Energy Monitor, I2C Interface, Power Monitor, Voltage Monitor | 12-Bit | I²C | Wide Range I2C Power, Charge and Energy Monitor | $3.95 (LTC2946CDE#PBF) |
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