
Allicdata Part #: | LM3420M5X-8.4-ND |
Manufacturer Part#: |
LM3420M5X-8.4 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC CTRLR LI-ION BAT CHRG SOT23-5 |
More Detail: | Charger IC Lithium-Ion SOT-23-5 |
DataSheet: | ![]() |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 2 |
Current - Charging: | -- |
Programmable Features: | -- |
Fault Protection: | -- |
Charge Current - Max: | 1A |
Battery Pack Voltage: | 8.4V |
Voltage - Supply (Max): | 20V |
Interface: | -- |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | SC-74A, SOT-753 |
Supplier Device Package: | SOT-23-5 |
Base Part Number: | LM3420 |
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Power Management Integrated Circuits, commonly known as PMICs, are a collection of integrated circuits that manage the power supply of various electronic circuits and systems. PMICs come in a range of form factors, from chips to full-fledged boards. They are a key component in modern electronics, controlling the power input, output, and consumption in a wide range of electronic devices.
PMICs are a highly specialized field of electronics, with PMICs targeting specific device types and power ratings. In this article, we explore the LM3420M5X-8.4 PMIC, categorizing it as a PMIC - Battery Charger.
The LM3420M5X-8.4 is an ultra-low power, high current fast charge controller for Li-Ion batteries. It integrates an advanced fast-charge controller and multi-channel LED driver with Series Termination Regulators and over 10 configurable power supply options. This long list of features makes it a must-have for modern consumer electronics and mobile devices.
Application Field
The LM3420M5X-8.4 PMIC is designed for used in consumer electronics and mobile applications. It is exceptionally well-suited for delivering fast and efficient charging to smartphones, tablets, and other ultra-thin portable electronic devices. It is perfect for applications where energy efficiency and optimization of a device’s battery life are key.
Working Principle
The LM3420M5X-8.4 PMIC supports a wide range of input voltages and currents, enabling it to charge any lithium-ion battery configuration. It makes use of an array of programmable power supplies to intelligently optimize the charging performance of any Li-Ion battery.
The LM3420M5X-8.4 can enable up to three different charging profiles, allowing it to intelligently adapt to the battery’s charging needs. With a series of customizable features, the LM3420M5X-8.4 PMIC can be tailored to any application’s unique requirements.
The integrated LED driver provide a high-side power supply, which is connected to the source of the battery. This allows the external circuitry to be powered directly from the battery, reducing power wastage and extending battery life. The LED driver can be configured in a variety of different modes for specialized applications.
Protection Features
The LM3420M5X-8.4 provides a range of integrated protection features aimed at safeguarding the device from power-related faults. This includes protection from over-voltage, over-current, over-temperature, and reverse polarity faults. Additionally, the LM3420M5X-8.4 also provides under-voltage lockout, battery temperature monitoring and balanced charging of multiple batteries.
The efficient design of the LM3420M5X-8.4 enables it to monitor the battery’s charge and discharge over an extended period of time, detecting and managing any power-related faults. This ensures the safety and longevity of the device.
CONCLUSION
The LM3420M5X-8.4 PMIC is a powerful, energy-efficient battery charger that is perfectly suited for use in consumer electronics and mobile applications. Its range of programmable power supplies and customizable protection features make it a must-have component for any device powered by a Li-Ion battery.
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