UCC3911DP-2

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	2
Fault Protection:	Over/Under Voltage, Short Circuit
Interface:	--
Operating Temperature:	-20°C ~ 70°C (TA)
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	UCC3911-2

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Power Management Integrated Circuit (PMIC) – Battery Management

The UCC3911 DP-2 is a translinear power supply supervisor integrated circuit (PMIC). This device is designed to provide a cost-effective and efficient solution for battery management. It is the next-generation solution for powering up and maintaining batteries. The UCC3911DP-2 was designed to help reduce cost and improve system reliability. It provides multiple protection functions, enabling robust and reliable battery performance. This battery manager is compatible with various types of batteries, including Li-ion, Li-polymer, NiMH, and NiCd.The device features independent constant current (CC) and constant voltage (CV) regulation. Its active regulation mode eliminates power line fluctuation and noise, reducing power consumption and decreasing battery drain. The integrated circuit has a wide range of application fields, including consumer electronics, automotive, and telecommunication, among others. The UCC3911DP-2 can be used for a variety of applications. It includes two built-in, bidirectional mosfets capable of up to 2.2A continuous current. With its dual gate topology, it can offer protection against being overcharged and overdischarged, making it one of the preferred choices for battery management. The circuit can provide output voltage of 1.5 V to 5 V, and is designed to help reduce component count and cost. The UCC3911DP-2 controller is a low-voltage level-shifter and current monitor, with high-current capability. It acts as an intermediate level-shifter and can provide a switching frequency of up to 10kHz with an off-time of 500ns. The controller has the ability to detect over-voltage and over-current scenarios, and can be used for over-discharge, over-charge and short-circuit protection. The device works by constantly measuring the input and output voltages as well as input and output currents, allowing it to continually set the output voltage and current limits. It uses overdischarge, overcharge and ESD protection to ensure the safety of the battery it is managing. Additionally, it can detect a voltage drop as low as 0.6V, ensuring safe operation.The UCC3911DP-2 power supply supervisor also has an internal linear regulator which maximizes energy efficiency and helps to reduce system power consumption. The internal voltage reference circuit helps to optimize battery run-time, and the external clock input-capability enables fine-tune configuration of the switching frequency. The UCC3911DP-2 is a very versatile PMIC for battery management. Its wide range of protection features and its ability to regulate voltage and current makes it an ideal choice for various types of applications. Its efficient use of power helps to reduce power consumption, and its low-voltage shifting capability and current monitoring circuit make it a reliable, cost-effective solution for safe and efficient battery management.

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