MAX8845YETC+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Last Time Buy
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Voltage
Charge Current - Max:	575mA
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	7V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-WFQFN Exposed Pad
Supplier Device Package:	12-TQFN (3x3)
Base Part Number:	MAX8845

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Introduction To PMIC - Battery Chargers: MAX8845YETC+T

In modern technology, a wide range of electronic devices require a reliable, efficient and long-lasting source of power. This is where PMIC - Battery Chargers, specifically the MAX8845YETC+T come into play. These powerful battery chargers are designed to provide a reliable and safe source of power for an array of electronics, including mobile phones, computers, laptops and other portable devices.

The Benefits Of PMIC - Battery Chargers

PMIC - Battery Chargers offer users a great selection of benefits, including improved battery life, enhanced safety and convenience. As they have been particularly designed to cater to the needs of many different types of electronics, they are an ideal choice for increasing the efficiency of such devices.The MAX8845YETC+T is no exception to this, boasting features such as overvoltage protection and an adjustable current limit. This ensures that all devices remain safe, even when connected to the MAX8845YETC+T for long-term use.The MAX8845YETC+T charger also offers adjustable voltage and current output. This means that it can be used to charge various types of electronic device, even those that require a higher or lower voltage for optimal performance.

Overview of the MAX8845YETC+T Battery Charger

The MAX8845YETC+T is a superior 2-A and 2-A/4.2-V Li-Ion and Li-polymer battery charger. Its main features include a 4.2-V/2-A output, adjustable regulation voltage (2.5 to 4.5 V), adjustable charge current (0.3 to 2 A) and adjustable termination current (0.1 to 0.2 A).The charger offers excellent output accuracy, including 0.3-V accuracy of the battery float voltage, and 0.5-V accuracy of the termination voltage. It also features a programmable charge timer and temperature-controlled safety timer to protect the charging system.The charger implements a high-accuracy volts-to-time (V2T) based charge cycle, which ensures precise, consistent and repeatable charging. This ensures that all devices connected to the charger are safe, even during lengthy charging periods.

Working Principle of the MAX8845YETC+T

The MAX8845YETC+T adopts a regulated two-stage Li-Ion and Li-polymer charge algorithm. This algorithm provides a constant-current/constant-voltage (CCCV) charging pattern for Li-ion and Li-polymer cells.The charger initiates the charging cycle by entering the pre-charge phase. During this phase, an adjustable fast-charge current is used to bring the battery voltage up to 4.2 V. Once the battery voltage has reached 4.2 V, the charger enters the constant-voltage phase. During this phase, a constant 4.2-V regulation voltage is applied to the battery while a small termination current is used to prevent overcharging.The MAX8845YETC+T also features a low current mode, which reduces the current draw when the battery is close to reaching its full capacity. This mode is particularly useful for mobile devices that require extended battery life.

Applications of the MAX8845YETC+T

The MAX8845YETC+T is well-suited for a wide range of applications, including consumer electronics, medical devices, and automotive systems. Its compact size and high efficiency make it an ideal choice for mobile devices such as smartphones, digital cameras, PDAs and other portable electronics. It can also be used in automotive applications to charge 12-V batteries in automobiles, SUVs and other vehicles.In summary, the MAX8845YETC+T is a powerful PMIC - Battery Charger that is capable of providing reliable, safe and efficient charging for a variety of electronics. Its adjustable current limit and advanced safety features ensure optimal performance and extended battery life, making it an excellent choice for any application.

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