The DS2761AE from Maxim Integrated is a versatile and high-precision battery monitor IC designed for lithium-ion (Li+) batteries. This sophisticated monitoring chip provides a wealth of information to ensure efficient and safe battery management in a compact form factor.

Key Features

• High-Precision Measurement: The DS2761AE offers high-precision voltage, current, and temperature measurements which are critical for monitoring the health and state of charge of lithium-ion batteries.
• On-Chip A/D Converter: It includes an integrated analog-to-digital converter (ADC) that provides 16-bit resolution for voltage and temperature measurements, and 15-bit resolution plus sign for current measurements.
• Current Accumulation: The device features current accumulation capability, which is essential for accurate capacity monitoring and predicting remaining battery life.
• Nonvolatile Memory: It contains 16 bytes of lockable EEPROM and 64 bytes of general-purpose SRAM, which can be used for storing battery history and usage patterns.
• Protection Features: The DS2761AE includes important safety features such as overvoltage, undervoltage, and overcurrent protection to ensure the longevity and reliability of the battery.
• Communication Interface: For seamless system integration, the chip utilizes a 1-Wire interface, allowing for simple and efficient communication with a host controller.

Applications

The DS2761AE is ideal for a wide range of applications that demand accurate battery monitoring and management, including:

• Portable consumer electronics
• Handheld devices
• Smart batteries
• Power tools
• Uninterruptible power supplies (UPS)

Conclusion

Overall, the Maxim Integrated DS2761AE is a comprehensive solution for battery monitoring that combines accuracy, integration, and protection. It is a reliable choice for designers looking to extend battery life, enhance safety, and improve the user experience of their battery-powered devices.