MCP73841T-410I/UN

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	--
Programmable Features:	Timer
Fault Protection:	Over Temperature
Charge Current - Max:	--
Battery Pack Voltage:	4.1V
Voltage - Supply (Max):	12V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-MSOP
Base Part Number:	MCP73841

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Abstract This article discusses the application fields and working principles of MCP73841T-410I/UN, which is a single-cell, switch mode Charge Management Controller (CMC) device that is classified as a PMIC - Battery Charger. It also provides an overview of its features, advantages and disadvantages.Introduction MCP73841T-410I/UN is a switch mode Charge Management Controller (CMC) device that manages the charging process of single Lithium-Ion (Li+) batteries. It is a PMIC - Battery Charger, equipped with three-terminal current limited charge switches, temperature sensing and thermal shutdown functions, fault detection and detection auto-recovery, and a full set of safety and protection functions. This makes MCP73841T-410I/UN an ideal choice for low-cost, space-constrained applications such as portable medical, consumer, and industrial applications.Application Fields MCP73841T-410I/UNis designed for applications in the Li+ battery space, and can support a variety of charging modes for various battery chemistries such as Li-Ion, Li-Polymer, and Li-Fe. Its range of applications include: • Portable Medical Devices – MCP73841T-410I/UN can be used in portable medical devices such as pacemakers, defibrillators, and portable Ultrasound scanners. • Home Automation – MCP73841T-410I/UN can be used in home automation applications, such as home security systems, thermostats, and remote control switches. • Automotive – MCP73841T-410I/UN can be used in automotive applications, such as safety systems, infotainment systems, and applications that require a backup battery. • Industrial – MCP73841T-410I/UN can also be used in a variety of industrial applications, such as portable electric power tools, fire and gas detection systems, cellular phones, and test & measurement equipment. Features MCP73841T-410I/UN has many features that enable it to effectively manage the charging process of a Li+ battery, ensuring maximum efficiency and safety. These features include: • Programmable charge current up to 1A • Integral current limited switch • Temperature sensing for thermal protection • Timer for charge extend/termination • Charge status indicator • Charge fault detection • Charge auto-recovery • Soft start • Low Quiescent Current Advantages The main advantages of MCP73841T-410I/UN are its high efficiency, flexibility, protection, and low cost. Its integrated switch eliminates the need for an external switch, making it much more cost-effective than its competitors. It also has a wide input voltage range and is designed for a wide temperature range, enabling it to operate in a variety of environments. In addition, it is highly reliable and provides a full set of safety and protection features, ensuring that the battery charger is operating safely and efficiently. Disadvantages The main disadvantage of MCP73841T-410I/UN is that it has a limited maximum current of 1A, which can be too low for some applications. In addition, because it is a single-cell device, it is not suitable for multi-cell battery packs.Conclusion MCP73841T-410I/UN is a PMIC - Battery Charger device that is specifically designed for Li+ batteries. It has a wide range of applications, including portable medical devices, home automation, industrial, and automotive applications. It has many features that enable it to effectively manage the charging process of Li+ batteries, including programmable charge current, temperature sensing, fault detection, and auto-recovery. The main advantages of MCP73841T-410I/UN include its high efficiency, flexibility, protection, and low cost, while its main disadvantage is that it has a limited maximum current of 1A.

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