能量监视器

除其他关键参数之外,ADI公司的能量监视器还提供精确的板级电能计量。内部累加器可提供充电能量和时间的准确读数,并可以选择使用便捷的内部晶体或更精确的外部晶体作为时基。该产品系列中的能量监视器使用内部分流调节器为高达100 V或以上的电源轨提供电流、电压、功率、电量和电能读数,而其他能量监视器最高提供±30 A电源轨的参数读数和便捷的检测电阻器监控,偏置仅为9 mA(高动态范围)。
产品选型表

能量监视器

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SortOrderPart#Number of SuppliesVin RangeFeaturesADCInterfaceCommentsPrice (1000+)
($ US)
1LTC2949 12 ±6.14V Current Monitor, Energy Monitor, I2C Interface, Power Monitor, Voltage Monitor 20-Bit I²C, IsoSPI, SPI Current, Voltage, Temperature and Charge Monitor for High Voltage Battery Packs $11.41 (LTC2949ILXE#3ZZPBF)
2LTC2947-65 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)
3LTC2947 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)
4LTC2946 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)