LTC2944

Part: LTC2943/LTC2943-1/LTC2944 from Linear Technology Corporation

Type: Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement

Key Specs:

• Operating Voltage (LTC2943/LTC2943-1): 3.6V to 20V
• Operating Voltage (LTC2944): 3.6V to 60V
• ADC Resolution (LTC2943/LTC2943-1): 14-bit
• ADC Resolution (LTC2944): 16-bit
• Integrated Sense Resistor (LTC2943-1): 50mΩ
• Maximum Current Measurement (LTC2943-1 with integrated 50mΩ sense resistor): 1A
• Maximum Current Measurement (LTC2943/LTC2944 with 100mΩ sense resistor): 500mA

Features:

• Precision analog coulomb counter
• Measures voltage, current, and temperature
• Internal No Latency ∆∑ ADC
• SMBus/I2C interface
• Programmable high and low thresholds for measured quantities
• Alert reporting via SMBus alert protocol or internal status register flag
• Software-configurable charge complete/alert pin

Applications:

• Multicell battery applications

Package:

• null