The Dallas Semiconductor DS2756E+T is a stand-alone, single-cell, Li+ battery fuel gauge IC. This device accurately monitors the capacity and health of a single lithium-ion or lithium-polymer battery cell. It provides crucial information for battery management in portable devices and embedded systems.

Applications

• Portable devices
• Smartphones
• Tablets
• MP3 players
• Handheld gaming consoles
• Embedded systems
• Battery packs

Features

• Single-cell Li+ battery fuel gauge
• Accurate voltage, current, and temperature measurements
• Integrated current-sense resistor
• Internal EEPROM for configuration storage
• I²C interface for communication
• Low operating current
• Small package size

Benefits

• Precise battery capacity monitoring
• Extended battery life through optimized charging and discharging
• Improved system reliability
• Accurate state-of-charge (SOC) information
• Simplified system design
• Reduced component count

Additional Details

The DS2756E+T integrates a precision current-sense resistor, which simplifies circuit design and reduces external component requirements. The internal EEPROM allows for customization of parameters such as battery capacity, charge termination voltage, and other settings. The I²C interface facilitates communication with a host microcontroller, enabling the system to monitor battery status and implement intelligent power management strategies. The IC measures voltage, current, and temperature to accurately estimate the remaining battery capacity and provides this data through the I2C interface. Its small package size makes it suitable for compact portable devices. The DS2756E+T ensures efficient and safe operation of lithium-ion batteries.