LT3650EMSE-8.2#TRPBF

Product Overview

Category

LT3650EMSE-8.2#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for battery charging applications, providing efficient and reliable charging solutions for various electronic devices.

Characteristics

• High efficiency: The LT3650EMSE-8.2#TRPBF offers high charging efficiency, ensuring optimal use of power.
• Wide input voltage range: It can accept a wide range of input voltages, making it suitable for diverse power sources.
• Fast charging capability: This IC supports fast charging, reducing the charging time for batteries.
• Thermal protection: It incorporates thermal protection mechanisms to prevent overheating during operation.

Package

The LT3650EMSE-8.2#TRPBF comes in a small MSOP-10 package, which provides compactness and ease of integration into various electronic systems.

Essence

The essence of LT3650EMSE-8.2#TRPBF lies in its ability to efficiently charge batteries while offering flexibility and reliability in different power management scenarios.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4V to 32V
• Output Voltage: 8.2V
• Charging Current: Up to 2A
• Operating Temperature Range: -40°C to 85°C
• Control Method: Constant Current/Constant Voltage (CC/CV)
• Charging Efficiency: Up to 95%
• Protection Features: Overvoltage Protection, Overcurrent Protection, Thermal Shutdown

Detailed Pin Configuration

1. VIN: Input Voltage Pin
2. GND: Ground Pin
3. PROG: Programming Pin for Setting Charging Current
4. STAT: Status Indicator Pin
5. SS/UVLO: Soft-Start/Undervoltage Lockout Pin
6. VFB: Feedback Voltage Pin
7. ISET: Current Limit Setting Pin
8. BAT: Battery Connection Pin
9. TIMER: Timer Pin for Charge Termination Control
10. VOUT: Output Voltage Pin

Functional Features

• Constant Current/Constant Voltage (CC/CV) charging algorithm ensures optimal battery charging.
• Soft-start and undervoltage lockout features protect the system during startup and low input voltage conditions.
• Thermal shutdown mechanism prevents overheating of the IC.
• LED status indicator provides visual feedback on the charging process.
• Timer-based charge termination control enhances battery safety.

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced power consumption.
• Wide input voltage range allows compatibility with various power sources.
• Fast charging capability reduces battery charging time.
• Compact package enables easy integration into electronic systems.
• Protection features ensure safe and reliable operation.

Disadvantages

• Limited output voltage options may not be suitable for all applications.
• Requires external programming for setting the charging current.

Working Principles

The LT3650EMSE-8.2#TRPBF operates based on a constant current/constant voltage (CC/CV) charging algorithm. Initially, it delivers a constant current to the battery until a predefined voltage threshold is reached. At this point, the IC switches to constant voltage mode, maintaining a steady voltage while reducing the charging current. This approach ensures efficient and controlled charging, preventing overcharging and damage to the battery.

Detailed Application Field Plans

The LT3650EMSE-8.2#TRPBF finds extensive application in various battery-powered devices, including but not limited to: - Portable electronics such as smartphones, tablets, and laptops - Power tools and cordless devices - Electric vehicles and hybrid electric vehicles (HEVs) - Renewable energy systems - Industrial equipment and machinery

Detailed and Complete Alternative Models

1. LT3650EMSE-8#TRPBF: Similar to LT3650EMSE-8.2#TRPBF but with an output voltage of 8V.
2. LT3650EMSE-9#TRPBF: Similar to LT3650EMSE-8.2#TRPBF but with an output voltage of 9V.
3. LT3650EMSE-12#TRPBF: Similar to LT3650EMSE-8.2#TRPBF but with an output voltage of 12V.

These alternative models offer similar functionality and characteristics while providing different output voltage options to cater to specific application requirements.

In conclusion, the LT3650EMSE-8.2#TRPBF is a highly efficient power management IC designed for battery charging applications. Its compact package, wide input voltage range, and protection features make it suitable for various electronic devices.