LTC1731EMS8-8.2#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Battery Chemistry:	Multi-Chemistry
Number of Cells:	2
Current - Charging:	Constant - Programmable
Programmable Features:	Timer
Fault Protection:	--
Charge Current - Max:	500mA
Battery Pack Voltage:	8.2V
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 to LTC1731EMS8-8.2#PBF Battery Chargers

The LTC1731EMS8-8.2#PBF is a PMIC - Battery Charger from Analog Devices, Inc. It is a highly integrated, complete power solution application, optimized for small form factor, portable and handheld applications. The LTC1731EMS8-8.2#PBF has a unique and low-cost, 8-channel architecture which allows designers to significantly reduce the complexity, cost and size of their power delivery system.

Application Field of LTC1731EMS8-8.2#PBF

The LTC1731EMS8-8.2#PBF PMIC - Battery Chargers are specifically designed for small form-factor portable and handheld applications. The 8-channel architecture supports the ability to power different voltage and current requirements of multiple batteries in the same system. This allows designers to reduce costs, complexity, and board size. The LTC1731EMS8-8.2#PBF is ideal for space-constrained and low-power applications such as tablets, smartphones, wearable technology, and medical devices.

Working Principle

The LTC1731EMS8-8.2#PBF operates at a maximum voltage of 8.2V and has a maximum current output of 1.5A per channel. The charger has a switching architecture and Pulse-Width Modulation (PWM) which can regulate incoming power to the desired DC output. The switches, which form the power delivery system, consist of the batteries, inductor, and the output regulator. When the charger is powered on, the switches are turned on and off according to the pulses built by the Pulse-Width Modulation (PWM). This causes the input current to flow through the inductor and output regulator, where it is then regulated and outputted at desired voltage and current.

Safety Characteristics of LTC1731EMS8-8.2#PBF

The LTC1731EMS8-8.2#PBF is designed for safety and durability. It has safety features such as over-temperature and over-voltage protection, input undervoltage lockout to prevent accidentally hooked up to an overvoltage source, charge termination by detecting minimum temperature, LED indicators for power on, undervoltage lockout, charge status and charge termination. These features help to make sure the user\'s battery is safe from damage and properly charged.

Conclusion

In conclusion, the LTC1731EMS8-8.2#PBF PMIC - Battery Chargers are ideal for low-power handheld applications, and their versatile 8-channel architecture allows designers to lower cost, complexity and board size. The integrated safety features make the charger a safe and reliable choice for powering a variety of applications.

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