LTC1960CUHF#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Battery Chemistry:	Smart Batteries
Number of Cells:	2
Current - Charging:	--
Programmable Features:	--
Fault Protection:	Over Current
Charge Current - Max:	--
Battery Pack Voltage:	--
Voltage - Supply (Max):	28V
Interface:	SPI
Operating Temperature:	0°C ~ 70°C (TA)
Package / Case:	38-WFQFN Exposed Pad
Supplier Device Package:	38-QFN (5x7)
Base Part Number:	LTC1960

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Introduction

The LTC1960CUHF#PBF is a charger for batteries and one of the many products offered by Linear Technology Corporation (LTC). It is a type of Power Management Integrated Circuits (PMIC), specifically a battery charger, that provides a high level of accuracy, efficiency, and flexibility for charging a variety of lithium-ion (Li-ion) batteries like a LiFePO4 battery. It is specifically designed to charge Li-ion batteries primarily in consumer electronic products. This chip has both buck and boost controllers integrated in it, enabling it to accept input voltages between 1V and 25V, while still delivering a stable 5V output.

Application Field

The LTC1960CUHF#PBF is suitable for several applications, such as tablets, camera phones, digital cameras, and other consumer electronic products. It is intended to be used as a secondary charger integrated in such products, meaning that there is already a primary internal charger used to recharge the battery. The LTC1960CUHF#PBF is then used as a backup to recharge the battery in case the primary charger fails. It can also be used to charge an additional semipermanent external battery if needed.

Working Principle

The LTC1960CUHF#PBF is a simple, efficient and reliable power management integrated circuit (PMIC) for charging batteries. It contains both buck and boost controllers that allow it to accept input voltages from 1V up to 25V, while still delivering a stable 5V output. The buck controller is responsible for maintaining the output voltage at 5V while simultaneously taking into account the input voltage fluctuations. It works by comparing the targeted output voltage to a reference voltage, and then adjusting the output accordingly. The boost controller works in a similar manner, but with the function of providing a stable output voltage regardless of input voltage fluctuations. This is achieved by comparing the output voltage to a reference voltage and then controlling the amount of current sent to the load, to ensure a stable output.

Conclusion

The LTC1960CUHF#PBF is an excellent power management integrated circuit (PMIC) for charging a variety of lithium-ion (Li-ion) batteries like a LiFePO4 battery. It contains both buck and boost controllers in one, enabling it to accept input voltages from 1V up to 25V, while still delivering a stable 5V output. It is suitable for many applications such as tablets, camera phones, digital cameras, and other consumer electronic products, making it an incredibly useful device to have.

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