The DS2781E+ is an integrated circuit (IC) component developed by Maxim Integrated. It is primarily designed for monitoring and managing the power usage of lithium-ion/polymer battery packs used in portable devices like smartphones, tablets, and medical devices. Here is an overview of the DS2781E+ and its key features:
1. High Accuracy Monitoring: The DS2781E+ offers precise monitoring of important battery parameters such as voltage, current, temperature, and state of charge. With its high accuracy, it provides reliable data for effective power management.
2. Coulomb Counter: It incorporates a built-in coulomb counter, enabling accurate measurement and monitoring of the amount of charge that enters or exits the battery. This feature helps in estimating battery capacity and predicting remaining battery life.
3. Battery Authentication: The IC includes a highly secure 64-bit unique identification (ID) feature that allows the host device to authenticate the battery pack. This provides an added layer of security against counterfeit or unauthorized batteries.
4. Temperature Monitoring: The DS2781E+ includes a temperature sensor to measure battery temperature accurately. This information is essential for maintaining safe operating conditions and preventing overheating, which could damage the battery.
5. Programmable Voltage and Current Thresholds: It allows users to program their own voltage and current thresholds to trigger specific actions or alerts when battery parameters deviate from the set limits. This helps in protecting the battery from overcharging, over-discharging, and excessive current draw
