DS2760BE

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PMIC - Battery Management includes products and services related to the monitoring, controlling, and protection of battery-powered systems. The DS2760BE is a stand-alone, precision, high-accuracy battery monitor and protector with predictive alert, which provides superior protection and resolves cell balancing issues in battery powered applications. DS2760BE features include a high sampling rate, a wide temperature range, low quiescent current, rechargeable battery protection, and voltage accuracy of ±2%.

Overview of DS2760BE

The DS2760BE provides an analog and digital output for microprocessors, controllers, and any other relevant control systems for efficient monitoring of battery performance and protection. The integrated processor at the core of the DS2760BE performs multiple calculations and sophisticated temperature computations that enable the device to accurately monitor and estimate the battery remaining energy level, determine the authentic capacity, and protect against overcharge or overdischarge. Additionally, the DS2760BE incorporates a leak current detection performance to protect against unexpected current leakage from the battery.

Features and Benefits of DS2760BE

Accuracy: The DS2760BE battery monitor and protector is highly accurate due to its advanced hardware and software algorithms. With a wide temperature range (-30 to +85°C) and high sampling rate (200 Hz), it can accurately measure the voltage of both individual and packs of rechargeable cells. The voltage accuracy of the device is ±2% while its current monitoring accuracy is ±5%.

High accuracy current limit: The DS2760BE features adjustable current limit with high accuracy to protect battery packs from overcharge, overdischarge, and unexpected current leakage. The current limit of the device can be adjusted between 0mA and 30mA.

Tight voltage regulation: The DS2760BE provides tight voltage regulation to protect the battery pack from overcharging. It can be programmed to alert system designers to initiate a disconnect event before an overcharge occurs.

Low quiescent current: The DS2760BE features an ultra-low quiescent current of 2uA, which enables excellent battery life for portable devices.

High flexibility: The DS2760BE is designed with a range of adjustable parameters that can be used to enable multiple loading types. The range of adjustable parameters includes the load protection limits, load limit, current limit, cell voltage range, and cell temperature range.

Applications of DS2760BE

The DS2760BE battery monitor and protector is designed for use in portable devices and applications where long battery life is a primary concern. Examples of such applications include smartphones, laptops, tablets, digital cameras, wearables, medical devices, power tools, and robotics.

The features and benefits of the DS2760BE make it an ideal solution for portable system designers to accurately monitor and protect battery-powered systems. The device’s analog and digital output provides reliable, accurate status of the battery packs and accurately predicts remaining capacity, which is essential for any battery-powered system.

Working Principle of DS2760BE

The DS2760BE integrates a processor, battery protection circuitry, a temperature monitor, and programmable current, voltage, and temperature protection limits. The device utilizes two current measurement modes, the accumulative integration of shunt current, and a low pass filter to accurately measure the micro currents. The software algorithms of the device calculate the remaining battery capacity and protect against overcharge, overdischarge, and unexpected leakage. Additionally, the DS2760BE monitors cell temperature and provides adjustable current limit with high accuracy.

The DS2760BE also provides an analog output, programmable from 0 to 2.5V, which serves to indicate the remaining battery capacity or battery voltage. When the battery voltage reaches the programmed overcharge protection threshold, the device initiates a disconnection event and sends an alert signal to the system.

In short, the DS2760BE battery monitor and protector is an efficient solution for monitoring the performance of battery powered systems, providing superior protection and resolving cell balancing issues.

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