LT3650IMSE-8.4#TRPBF

Product Overview

Category

The LT3650IMSE-8.4#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 a reliable and efficient solution for charging lithium-ion batteries.

Characteristics

• Input Voltage Range: 4V to 32V
• Output Voltage: 8.4V
• Maximum Charging Current: 2A
• Package Type: MSOP-10E
• Essence: Power management IC designed for lithium-ion battery charging
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4V to 32V
• Output Voltage: 8.4V ±1%
• Maximum Charging Current: 2A
• Charge Termination: Programmable
• Operating Temperature Range: -40°C to 85°C
• Package Type: MSOP-10E

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. PROG: Programming pin for charge termination current
4. STAT: Status output pin indicating charging status
5. ISET: Current limit programming pin
6. VFB: Feedback voltage pin
7. BAT: Battery connection pin
8. TS: Thermal shutdown pin
9. SS: Soft-start capacitor pin
10. FLT: Fault indicator pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Programmable charge termination current enables customization based on battery requirements.
• Status output pin provides real-time indication of the charging process.
• Integrated thermal shutdown protection ensures safe operation.
• Soft-start capacitor pin facilitates controlled startup.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows flexibility in power source selection.
• Programmable charge termination current enables optimization for different battery types.
• Real-time status output enhances user convenience.
• Integrated thermal shutdown protection ensures safety during operation.
• Soft-start capacitor pin facilitates smooth startup.

Disadvantages

• Limited to lithium-ion battery charging applications.
• Requires programming for charge termination current, which may require additional effort during setup.

Working Principles

The LT3650IMSE-8.4#TRPBF operates as a constant-current/constant-voltage (CC/CV) charger for lithium-ion batteries. It utilizes a switching regulator architecture to efficiently convert the input voltage to the desired output voltage. The charge termination current can be programmed using the PROG pin, allowing customization based on the specific battery requirements. The integrated thermal shutdown feature protects the device from overheating, ensuring safe operation.

Detailed Application Field Plans

The LT3650IMSE-8.4#TRPBF is widely used in various portable electronic devices that utilize lithium-ion batteries. Some common application fields include:

1. Mobile phones and smartphones
2. Tablets and laptops
3. Portable gaming consoles
4. Digital cameras and camcorders
5. Portable medical devices
6. Wireless communication devices
7. Portable audio players

Detailed and Complete Alternative Models

1. LT3650IMSE-8.2#TRPBF: Similar to LT3650IMSE-8.4#TRPBF but with an output voltage of 8.2V.
2. LT3650IMSE-9#TRPBF: Similar to LT3650IMSE-8.4#TRPBF but with an output voltage of 9V.
3. LT3650IMSE-12#TRPBF: Similar to LT3650IMSE-8.4#TRPBF but with an output voltage of 12V.
4. LT3650IMSE-15#TRPBF: Similar to LT3650IMSE-8.4#TRPBF but with an output voltage of 15V.

These alternative models provide options for different output voltage requirements while maintaining similar functionality and characteristics.

In conclusion, the LT3650IMSE-8.4#TRPBF is a power management IC designed for efficient and reliable charging of lithium-ion batteries. Its wide input voltage range, programmable charge termination current, and integrated safety features make it suitable for various portable electronic devices. While limited to lithium-ion battery applications, its advantages outweigh the disadvantages, making it a popular choice in the industry.