LT3650IDD-4.2#TRPBF

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LT3650IDD-4.2#TRPBF

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IC BATT CHG LI-ION 1CELL 12DFN

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR)
Part Status Active
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 2A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 32V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The LT3650IDD-4.2#TRPBF is a part of Analog Devices' line of battery charging ICs. It is specifically designed for charging lithium-ion batteries with a fixed 4.2V regulation voltage. This integrated circuit offers a complete constant-current and constant-voltage charging solution, making it suitable for applications requiring efficient and reliable battery charging.
Key features include:
1. High Efficiency: It supports high-efficiency charging, reducing heat and energy loss.
2. Programmable Charge Current: The charge current can be adjusted to suit different battery capacities and charging needs.
3. Safety Features: Built-in safety mechanisms include thermal regulation, battery temperature monitoring, and fault status indication to ensure safe operation.
4. Compact Package: The device comes in a small, thermally enhanced package, making it ideal for space-constrained applications.
5. Wide Input Voltage Range: It accepts a broad input voltage range, enhancing its versatility for various power sources.
The LT3650IDD-4.2#TRPBF is suitable for use in portable electronics, power tools, and any devices utilizing lithium-ion batteries, where reliability and efficiency are crucial.

Equivalent

The LT3650IDD-4.2#TRPBF is a high-performance battery charger IC designed for lithium-ion batteries. Equivalent products may include:
1. MCP73831 from Microchip Technology
2. BQ24040 from Texas Instruments
3. MAX1737 from Maxim Integrated
4. ISL9205 from Intersil (Renesas)
These alternatives might vary in features such as charging current, voltage settings, and package type, so it's important to check their specifications against your requirements.

Features

The LT3650IDD-4.2#TRPBF is a monolithic step-down battery charger designed for lithium-ion (Li-ion) and lithium-polymer (LiPo) batteries. It features a 4.2V constant voltage charging mode suitable for single-cell applications. Key features include:
1. Input Voltage Range: Operates from 4.75V to 32V input voltage, making it suitable for a variety of power sources.
2. Charge Current Control: Capable of delivering up to 2A of charging current, adjustable via an external resistor.
3. Efficient Charging: Uses a high-efficiency switch-mode topology to minimize power dissipation during charging.
4. Safety and Reliability: Includes multiple protection features such as input overvoltage protection, battery temperature monitoring, and charge termination based on C/10 current.
5. Status Indicators: Provides status outputs to indicate charging, charge termination, and fault conditions.
6. Compact Package: Comes in a thermally enhanced 12-lead (3mm × 3mm) DFN package, suitable for space-constrained applications.
These features make the LT3650IDD-4.2#TRPBF an efficient and versatile solution for charging single-cell Li-ion/LiPo batteries in portable devices.

Pinout

The LT3650IDD-4.2#TRPBF is a battery charger IC designed for charging lithium-ion and lithium-polymer batteries. It comes in a 12-pin DFN (Dual Flat No-leads) package. The primary function of this IC is to provide a constant current/constant voltage charging profile, making it suitable for single-cell Li-ion batteries. It regulates charging with a programmable charge current up to 2A and has a 4.2V output voltage, suitable for standard Li-ion cells. Additionally, the IC incorporates safety features like overvoltage protection, thermal regulation, and automatic recharge. Its compact package and versatile functionality make it ideal for portable applications.

Manufacturer

The LT3650IDD-4.2#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a broad range of industries, including automotive, communication, consumer electronics, healthcare, and industrial automation. Analog Devices is known for its high-performance analog products and solutions, and it provides components that are crucial for various applications, such as data conversion, signal processing, power management, and more.

Application

The LT3650IDD-4.2#TRPBF is a battery charger IC designed for use in various applications requiring efficient and reliable charging of lithium-ion batteries. Its key application areas include:
1. Portable electronic devices: Used in devices like smartphones, tablets, and wearable technology for battery charging.
2. Backup power systems: Integral in charging circuits for uninterruptible power supplies (UPS) and emergency lighting systems.
3. Industrial equipment: Employed in portable test equipment and handheld industrial devices.
4. Medical devices: Utilized in battery-powered medical instruments for reliable charging solutions.
5. Consumer electronics: Found in cameras, GPS units, and other rechargeable devices.
Its features promote flexible design and efficient battery management in compact and space-constrained applications.

Package

The LT3650IDD-4.2#TRPBF is an integrated circuit in an 8-lead (8-pin) plastic DFN (Dual Flat No Leads) package, with a 3mm x 3mm footprint. This package type offers a compact size with excellent thermal performance, suitable for surface-mount technology (SMT) applications.

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