UCC3957M-4G4

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion
Number of Cells:	3 ~ 4
Fault Protection:	Over Current, Over/Under Voltage
Interface:	--
Operating Temperature:	-20°C ~ 70°C (TA)
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	UCC3957-4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction
The UCC3957M-4G4 is an integrated circuit designed to manage lithium ion or lead-acid batteries in as many as four cells connected in series. As a component of a larger battery management system, the UCC3957M-4G4 can provide protection, monitoring, and control functions to help extend the life of the battery and minimize safety risks. The device can be used in a wide range of applications including mobile devices, computers, automotive systems, and industrial products, allowing users to optimize usage and efficiency according to their specific needs.

Application Field
The UCC3957M-4G4 can be used in a number of Battery Management System applications. The device enables efficient and accurate battery charge/discharge and monitoring functions for up to four series-connected lithium-ion and lead-acid cells in battery packs. It is ideal for applications including portable consumer electronics, automotive systems, power tools, and for industrial systems. The device is also suitable for direct charging schemes and fast-charge protocols to minimize charging time. Furthermore, it features low charge levels of 1.2V and 2.5V while supporting up to 2A of discharge current and 1.5A of charge current.

Features
The UCC3957M-4G4 has several features that make it an ideal battery management device. The device has builtin over-discharge, over-voltage, over-charge, and over-temperature protection, as well as a range of other protection features. It also supports cell balancing and equalization, allowing users to maximize performance and battery life. The device can easily be integrated into existing systems and can be configured quickly and conveniently using the integrated I2C interface. Additionally, the device features signature battery management features like cell and pack voltage monitoring, temperature monitoring, and cell voltage and temperature compensation.

Working Principle
The UCC3957M-4G4 is based on a voltage-controlled switching architecture, whereby cells are charged and discharged using a series of internal switching operations. During the charging operation, the device first monitors the pack voltage, adn then adjusts the current rate accordingly. During the discharge operation, the device then monitors the cell voltage and adjusts the discharge rate accordingly. This type of architecture is also used for battery balancing and equalization, whereby the device adjusts the voltage of individual cells to ensure optimal performance. Additionally, the device supports a range of additional functions, including battery monitoring and protection, temperature monitoring and compensation, system status monitoring , and charge/discharge enable/disable.

Conclusion
The UCC3957M-4G4 is a powerful and efficient Battery Management System device designed to secure, manage, and optimize the performance of up to four series-connected lithium-ion and lead-acid cells. It features built-in over-discharge, over-voltage, over-charge, and over-temperature protection, as well as cell balancing and equalization functions. Additionally, the device supports a range of additional features, including battery monitoring and protection, temperature monitoring and compensation, charge/discharge enable/disable, and system status monitoring. The UCC3957M-4G4 is ideally suited for a wide range of applications, which makes it a great choice for those seeking an efficient, cost-effective solution for battery management.

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

Part Number	Manufacturer	Price	Quantity	Description