LTC4162EUFD-L42#TRPBF Allicdata Electronics
Allicdata Part #:

LTC4162EUFD-L42#TRPBF-ND

Manufacturer Part#:

LTC4162EUFD-L42#TRPBF

Price: $ 3.06
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: 35V/3.2A MULTI-CELL LITHIUM-ION
More Detail: Battery IC 28-QFN (4x5)
DataSheet: LTC4162EUFD-L42#TRPBF datasheetLTC4162EUFD-L42#TRPBF Datasheet/PDF
Quantity: 1000
2500 +: $ 2.78589
Stock 1000Can Ship Immediately
$ 3.06
Specifications
Series: *
Packaging: Tape & Reel (TR) 
Part Status: Active
Package / Case: 28-WFQFN Exposed Pad
Supplier Device Package: 28-QFN (4x5)
Description

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Introduction

The LTC4162EUFD-L42#TRPBF is a high-speed, dual-channel multifunction battery charger and battery protection device. It integrates a synchronous buck-boost full-featured charger, a high-efficiency synchronous SEPIC switching regulator, a dual-channel low-battery protector and a low-dropout (LDO) auxiliary regulator in a single package. It is designed to operate with an input voltage of 6V to 70V. The device operates in one of three equal power operating modes to provide maximum flexibility and power delivery to the battery. This makes it an ideal solution for applications such as transportation, industrial, and consumer applications.

Features and Benefits

The LTC4162EUFD-L42#TRPBF offers several features and benefits to customers, including:- Dual-channel current measurement capability with accuracy of 0.1% at 25°C over a wide temperature range of -40°C to +125°C, providing effective monitoring of both charging and discharging currents.- Integrated buck, boost and SEPIC architectures, allowing the device to operate from input voltages from 6V to 70V and output currents up to 20A.- Advanced current sharing for simultaneous charging of two batteries in parallel.- Digital and analog control/monitoring capabilities.- Integrated over-temperature, over-voltage and short-circuit protection.- Pin-selectable battery float voltage and charging current limit.- Flexible cell balancing and equalization algorithms to maintain the highest battery performance over time.

The Application Field

The LTC4162EUFD-L42#TRPBF is ideal for applications that require a high-speed, dual-channel battery charger and protector with excellent power delivery. Its integrated buck, boost and SEPIC architectures allow it to accommodate a wide range of input voltages, making it well-suited to transportation, industrial, and consumer applications. It is particularly useful in applications that require current sharing and/or cell balancing.

The Working Principle

The LTC4162EUFD-L42#TRPBF is a high-speed, dual-channel multifunction battery charger and battery protection device. It integrates a synchronous buck-boost full-featured charger, a high-efficiency synchronous SEPIC switching regulator, a dual-channel low-battery protector and a low-dropout (LDO) auxiliary regulator in a single package. When the device is powered up, it first reads the voltage levels of the output channels. If both channels are within the specified range, it begins the charging process. It then cycles through the three operating modes: Buck, Boost, and SEPIC. In Buck mode, the device increases the output voltage until it reaches the programmed float voltage for each channel. In Boost mode, it increases the output voltage until it reaches the programmed float voltage. In SEPIC mode, the device reduces the output voltage until it reaches the programmed float voltage. Once the float voltage is reached for both channels, the device enters the protection stage. The current sharing feature ensures that both channels are charging up to the same level. The device also monitors the temperature and voltage levels to protect it from any potential damage due to overvoltage or overtemperature conditions. Finally, the device enters the equalization/balancing stage where it balances the voltage level of both channels by adjusting the output current. This ensures that the battery is properly balanced and performing optimally.

Conclusion

The LTC4162EUFD-L42#TRPBF is an ideal solution for applications that require a high-speed, dual-channel battery charger and battery protection device with excellent power delivery. Its integrated buck, boost, and SEPIC architectures allow it to operate over a wide range of input voltages and output currents. Additionally, it features advanced current sharing and cell balancing features for increased battery performance and longevity. This makes it an excellent choice for transportation, industrial, and consumer applications.

The specific data is subject to PDF, and the above content is for reference

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