LTC4040EUFD#PBF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Power Management
Battery Chemistry:	Multi-Chemistry
Number of Cells:	1
Fault Protection:	Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-QFN (5x4)
Base Part Number:	LTC4040

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PMIC - Battery Management

The LTC4040EUFD#PBF battery charger IC is a high-performance device for charging various types of rechargeable battery packs, supporting sizes from single cells to multi-cell packs. The device automatically monitors and controls various types of cells for safe and high efficiency charging. It allows for simple and low component count charging solutions on the system side, making it an ideal choice for portable electronic devices.In terms of application fields, the LTC4040EUFD#PBF is suitable for charging various rechargeable batteries such as lithium ion, lead acid and nickel-metal hydride as well as rechargeable multi-cell battery arrays. The device provides an industry-standard USB charging interface, making it great for a variety of consumer, automotive, and medical applications. It is also an ideal choice for use in any portable device where it is important to ensure all cells in the battery pack are charged safely and efficiently, and to protect the battery from overcharging and other risks.As for the working principle of the LTC4040EUFD#PBF, it utilizes the switched mode power supply technique to convert a relatively wide input voltage range into a regulated output voltage for charging the battery pack. By hooking up the positive, negative and Sense wires of a battery pack to the device, the voltage across each cell can be measured, enabling the device to accurately regulate the charge voltage. The device can support fast-charge, pre-charge, constant-current/constant-voltage, and trickle charge modes, making it suitable for all kinds of battery charging applications. The LTC4040EUFD#PBF also supports battery-to-battery or battery-to-host communications. This can help reduce the number of system side components and costs, while making the operation and safety of the device more reliable. Furthermore, it can be used to monitor the battery’s health and provide protection against under-voltage and over-current conditions. The device has internal temperature protection, which helps increase the lifetime of the battery. Finally, the LTC4040EUFD#PBF is very power efficient, providing the maximum efficiency of up to 94%. It also supports the use of AC adapters with low noise levels and minimal EMI radiation, making it suitable for use in noise sensitive environments. In addition, its small size of only 5mmx8mm makes it suitable for space-constrained products.In summary, the LTC4040EUFD#PBF battery charger IC is an incredibly versatile and capable device for charging various types of rechargeable batteries and battery arrays. Due to its high efficiency, versatile features, and low component count, the device is an ideal choice for a variety of battery management applications.

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Part Number	Manufacturer	Price	Quantity	Description