MCP73828-4.1VUATR

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Power Management Integrated Circuit (PMIC) is an integrated circuit made of several voltage and current regulating circuits, used to efficiently manage power requirements of an electronic device. In recent years, PMIC has become an integral part of many modern electronic products. Battery charger is one type of PMIC, which is designed to safely charge batteries. MCP73828-4.1VUATR is a battery charger specially designed for Lithium-Ion (Li-Ion) and Polymer Li-Ion (PLI) batteries.

MCP73828-4.1VUATR allows for fast, efficient and safe battery charging, by providing a temperature-independent and regulated output voltage up to the battery\'s nominal. It has an adjustable current limit and a programmable timer, making it ideal for fast-charging Li-Ion or PLI batteries in a wide range of applications. The charger also features reverse-current protection, short-circuit protection, and overvoltage protection to protect against common charging problems.

MCP73828-4.1VUATR is suitable for a variety of applications such as digital cameras, portable medical equipment, digital audio players, mobile phones, tablet PCs and other devices equipped with rechargeable Li-Ion or PLI batteries. It is also capable of charging several batteries in parallel, making it ideal for powering laptop and other high-performance applications.

The working principle of MCP73828-4.1VUATR is based on a simple linear control loop. It uses an adjustable current limit and a programmable timer to charge the battery pack. The charger monitors the battery voltage, currents and temperature, adjusting the charging parameters accordingly to ensure a fast, safe and efficient charging process. A precision voltage reference is used to provide the reference voltage for current limit and battery regulation.

The charger features a wide input voltage range, allowing it to be used with a variety of power sources. It is able to operate from both AC and DC sources, with the widest range operating from 6V to 28V. This allows the charger to be used with virtually any source, including automotive and solar power sources. The charger also provides high efficiency, utilizing efficiencies up to 95% and peak conversion efficiencies as high as 97%.

MCP73828-4.1VUATR is also designed to operate over a wide temperature range, allowing it to be used in even the harshest environments. Its operating temperature range is between -40°C and 85°C, with a temperature coefficient of 1.5 mV/°C. This ensures the charger is able to operate reliably over a wide range of temperatures and conditions.

In conclusion, MCP73828-4.1VUATR is a highly efficient, reliable and cost-effective battery charger for Li-Ion and PLI battery packs. It features adjustable current limit, reverse-current protection, short-circuit protection and overvoltage protection, making it suitable for a wide range of applications. The charger is also capable of operating over a wide temperature range and from both AC and DC power sources, allowing it to be used virtually anywhere.

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