DS2778G+T&R

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Power management integrated circuits (PMICs) are an essential element in any electronic device, providing a stable power supply for the various and frequently varying components. The DS2778G+T&R is an advanced PMIC designed for battery management in rechargeable applications, such as consumer electronics, medical applications, and military & industrial solutions. It offers multiple protect mechanisms, an extended lifetime cycle count, and can handle various battery types and chemistry. In this article, we\'ll take a look at the application field and working principle of the DS2778G+T&R in detail.

Application Field

The DS2778G+T&R is ideally suited for applications where battery management is essential. It supports a wide range of different chemistries, including Li-Ion, Li-Ion Polymer, LiFePO4, NiMh, and NiCd. This versatility makes it a great fit for consumer electronics, such as smartphones and tablets, or any other mobile or stationary device where the user either requires or desires a rechargeable battery.

Medical applications are also common users. It provides long-term safety, as well as the ability to handle temperature changes and provide accurate data calculation. Military and industrial solutions also benefit from its high accuracy, life cycle count, and protection from overcharge, overdischarge, and overcurrent.

Working Principle

The DS2778G+T&R is based on a two channel charge current protection system. The two channels, referred to as A-channel and B-channel, both contain current sensing circuitry.

The A-channel is responsible for sensing the current from the charger to the battery. It is also responsible for detecting when the battery is fully charged and turns off the charge current. The B-channel is responsible for sensing the current from the battery to the system, and detects when the battery is discharged too far, triggering an over-discharge protection event.

The DS2778G+T&R also includes a Temperature Sensing and Monitoring system. It has a large array of temperature sensors located throughout the battery pack and system, which measure temperature during the entire charge and discharge processes.

The DS2778G+T&R provides a variety of safety mechanisms. These include overcharge protection, overdischarge protection, overcurrent protection, and over-temperature protection. Additionally, the PMIC offers various reporting and monitoring capabilities, such as charge state, voltage, temperature, current, capacity, and estimated time of remaining life.

Overall, the DS2778G+T&R is an advanced battery management IC designed for applications where battery life and safety are essential. Its dual current sensing channels and temperature sensing and monitoring capabilities make it an ideal choice for consumer, medical, military and industrial applications.

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