The DS2762BE+025 from Maxim Integrated is a high-precision lithium-ion (Li+) battery monitor that provides a comprehensive solution for battery management in portable devices. This advanced monitoring IC is designed to ensure the safety, longevity, and efficiency of rechargeable Li+ battery packs, making it an essential component for a wide range of applications such as smartphones, laptops, power tools, and medical devices.
Key features of the DS2762BE+025 include its ability to measure voltage, temperature, current, and accumulated charge with high accuracy. The device incorporates a high-precision analog-to-digital converter (ADC) that enables precise voltage and current measurements, which are critical for monitoring the state of charge (SOC) and state of health (SOH) of the battery.
One of the standout functions of the DS2762BE+025 is its integrated sense resistor, which simplifies the design and reduces external component count, thereby saving space on the PCB. The device's high level of integration also includes an on-chip temperature sensor, further reducing the need for additional components and ensuring accurate temperature monitoring to protect the battery from extreme conditions.
The DS2762BE+025 supports a bidirectional current measurement, which allows for the monitoring of both charge and discharge cycles of the battery. This feature is particularly useful for calculating the remaining battery capacity and predicting the end-of-life for the battery pack. Moreover, the device offers a programmable current accumulation register, enabling customization for various battery capacities and applications.
Communication with the DS2762BE+025 is facilitated through a 1-Wire® interface, which minimizes the wiring requirements and allows for the connection of multiple devices in a microcontroller-based system. The 1-Wire interface also enables the device to be placed at a distance from the host controller, providing flexibility in system design.
Overall, the DS2762BE+025 is a robust and reliable battery monitoring solution from Maxim Integrated that offers high precision and a rich set of features to enhance the performance and safety of Li+ battery-powered systems.