LTC2942IDCB#TRMPBF Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Fault Protection:	--
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	6-WFDFN Exposed Pad
Supplier Device Package:	6-DFN (2x3)
Base Part Number:	LTC2942

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LTC2942IDCB#TRMPBF Application Field and Working PrincipleBattery Management Power management integrated circuits (PMICs) power management integrated circuits (PMICs) have become increasingly important in modern electronic systems as they regulate, regulate and monitor the operation of a variety of electronic components. One example of this type of power management integrated circuit is the LTC2942IDCB#TRMPBF, a high voltage second-tier battery management IC whose main application is in the field of battery management systems (BMS).The LTC2942IDCB#TRMPBF is the functional building block for creating a complete battery management system for 12, 14, and 16-cell battery packs. These packs can range from 2 to 36 cells, supplying voltages from 18V to 78V. The IC monitors each cell in the battery system, provides key measurements and control signals for overvoltage, undervoltage or cell imbalance detection and protection, SOC, and Coulomb counting for accurate remaining capacity estimation.The IC integrates a 16-bit voltage measurement data acquisition system as well as a precision high-voltage delta-sigma ADC. This data acquisition system allows each cell voltage to be measured simultaneously with a resolution of 12 bits DC and a resolution of 16 bits AC.The IC also features a wide range of cell-balancing features that enable continuous monitoring of the cell voltages. This includes optional distributed balancing, along with the ability to identify, prioritize and balance most unbalanced cells. Fault detection using open-wire and on-board cell-sense resistors is also configurable.In addition, the IC provides an integrated state-of-charge (SOC) measure that uses a unique algorithm developed specifically to accurately measure the SOC of each individual cell. The device also offers an integrated double-current-measurement system, allowing the total accumulated energy consumption of the battery system to be monitored.Finally, the IC enables secure communications to the battery pack, allowing communication to be encrypted and secure. This level of safety is essential for use in safety applications, such as electric vehicles and in industrial battery packs.The LTC2942IDCB#TRMPBF IC is suitable for use in a wide range of applications, including hybrid electric vehicles, electric vehicles, portable electronic devices, UPS systems, and back-up power systems. Its combination of features makes it suitable for these systems and emphasizes the growing importance of PMICs in enabling modern power management functions.The LTC2942IDCB#TRMPBF IC enables system designers to leverage the latest in power management ICs, allowing for efficient, accurate, and secure mass battery monitoring, management, and safety.

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