The DS2740BU+T&R from Maxim Integrated is a high-precision coulomb counter designed for battery fuel gauging in portable devices. This advanced monitoring IC provides detailed information about the charge and discharge states of lithium-ion (Li+) batteries, enabling precise battery management for extending the life and reliability of battery-powered applications.

Key Features

• High-Accuracy Measurement: The DS2740BU+T&R offers high-accuracy current and voltage measurement capabilities, which are essential for calculating the remaining battery capacity and predicting battery life with precision.
• Battery Monitoring: This IC continuously monitors the battery's voltage, temperature, and charge/discharge current, providing critical data for battery health and safety management.
• Low Power Consumption: Designed with power efficiency in mind, it operates with minimal impact on the battery life, making it an ideal choice for portable and handheld devices.
• Serial Interface: The device features a 1-Wire® serial interface, which simplifies the communication with microcontrollers and requires only a single data line plus ground for operation.
• Memory Features: It includes 16 bytes of user-programmable EEPROM and 2 bytes of user-programmable SRAM, allowing for flexible usage and storage of critical data.

Applications

The DS2740BU+T&R is suitable for a wide range of applications where accurate battery monitoring is crucial. These include:

• Portable Consumer Electronics
• Handheld Computers and PDAs
• Battery Backup Systems
• Medical Devices
• Industrial Equipment

Package and Supply

Supplied in a convenient tape and reel (T&R) package, the DS2740BU+T&R is optimized for automated assembly processes, ensuring efficient handling and placement during the manufacturing phase. The device operates over a wide temperature range, making it suitable for various environmental conditions.

Conclusion

Maxim Integrated's DS2740BU+T&R is an indispensable component for developers looking to implement sophisticated battery management systems. With its precision measurement capabilities and robust feature set, it stands out as a top choice for ensuring the optimal performance and longevity of lithium-ion battery-powered devices.