توضیحات
Description
The LTC294 measures battery charge state, battery voltage, battery current and its own temperature in portable product applications. The wide input voltage range allows use with multicell batteries up to 60V. A precision coulomb counter integrates current through a sense resistor between the battery’s positive terminal and the load or charger. Voltage, current, and temperature are measured with an internal 14-bit No Latency ΔΣ™ ADC. The measurements are stored in internal registers accessible via the onboard I2C/SMBus Interface.
Features
Measures Accumulated Battery Charge and Discharge
3.6V to 60V Operating Range for Multiple Cells
14-Bit ADC Measures Voltage, Current and Temperature
1% Voltage, Current and Charge Accuracy
±50mV Sense Voltage Range n High Side Sense
I 2C Interface/SMBus Interface
General Purpose Measurements for Any Battery Chemistry and Capacity
Configurable Alert Output/Charge Complete Input
Quiescent Current Less Than 150µA
Small 8-Lead 3mm × 3mm DFN Package
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