LTC1731EMS8-4.1#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Battery Chemistry:	Multi-Chemistry
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Timer
Fault Protection:	--
Charge Current - Max:	500mA
Battery Pack Voltage:	4.1V
Voltage - Supply (Max):	12V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-MSOP
Base Part Number:	LTC1731

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Introduction

The LTC1731EMS8-4.1#PBF is a highly efficient, low-voltage PMIC (power management integrated circuit) designed for battery charging applications. It features a wide input voltage range, up to 18V, making it suitable for cell phone charging, automobile battery charging, solar panel charging and the like. Its cutting-edge built-in protection and diagnostics make it an ideal choice for portable devices that must operate in harsher environments.

Features

The LTC1731EMS8-4.1#PBF features several key capabilities that make it an excellent choice for battery charging applications. It\'s designed to be efficient even when operating at low voltages, and its wide range of input voltages make it ideal for portable devices. It\'s designed to run with a maximum switching frequency of 650kHz and can regulate an output current up to 1.5A. It features an integrated charge termination and low-power mode. It also features internal thermal and short-circuit protection when its output current exceeds the set tripod.

Application Fields

The LTC1731EMS8-4.1#PBF is ideal for a wide range of applications in which battery charging is necessary. It is well suited for use in cell phones, laptop chargers, portable media players and other handheld devices, as well as car batteries, solar panel charging and other applications. With its wide range of input voltages, it is also suitable for use in a wide range of industrial and non-industrial applications.

Working Principle

The LTC1731EMS8-4.1#PBF works by receiving an input voltage from a power source and transforming it into a regulated output voltage for charging batteries. It features an integrated charge termination and low-power mode, which reduce the risk of overcharging and damage to the batteries. The PMIC uses pulse-width modulation (PWM) to regulate the output voltage, which ensures that the battery is kept charged and monitored at all times. When the battery’s charge level drops below the predetermined level, the battery charger begins to increase the output voltage to bring the battery back up to the required level.

Conclusion

The LTC1731EMS8-4.1#PBF is a powerful and versatile PMIC designed for battery charging applications. It features a wide range of input voltages, an integrated charge termination and low-power mode, and pulse-width modulation and dynamic regulation techniques to ensure that batteries are kept safe and charged efficiently. It is suitable for use in cell phones, laptop chargers, solar panel charging, and many other applications.

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