LT3650EMSE-8.4#TRPBF

Product Overview

Category

The LT3650EMSE-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
• Operating Temperature Range: -40°C to 85°C

Package and Quantity

The LT3650EMSE-8.4#TRPBF is available in an MSOP-10E package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 32V
• Output Voltage: 8.4V ±1%
• Maximum Charging Current: 2A
• Charge Termination: C/10
• Preconditioning: 10% of Full-Scale Current
• Battery Float Voltage: 4.2V
• Efficiency: Up to 94%
• Standby Current: <1µA
• Thermal Shutdown: Yes
• Reverse Battery Protection: Yes
• Short-Circuit Protection: Yes

Pin Configuration

The LT3650EMSE-8.4#TRPBF has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: VIN - Input Voltage --| VOUT GND |-- Pin 2: VOUT - Output Voltage --| BAT GND |-- Pin 3: BAT - Battery Connection --| PROG GND |-- Pin 4: PROG - Programming Pin --| GND |-- Pin 5: GND - Ground --| GND |-- Pin 6: GND - Ground --| GND |-- Pin 7: GND - Ground --| GND |-- Pin 8: GND - Ground --| GND |-- Pin 9: GND - Ground --| GND |-- Pin 10: GND - Ground |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• High charging current capability enables faster battery charging.
• Integrated thermal shutdown protects the device from overheating.
• Reverse battery protection prevents damage due to incorrect battery connection.
• Short-circuit protection ensures safety during operation.

Advantages and Disadvantages

Advantages

• Efficient and reliable lithium-ion battery charging solution.
• Wide input voltage range provides flexibility in various applications.
• High charging current capability reduces charging time.
• Integrated protection features enhance safety and durability.

Disadvantages

• Limited to lithium-ion battery charging applications.
• Requires careful consideration of input voltage range compatibility.

Working Principles

The LT3650EMSE-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 charging process involves a pre-conditioning phase, constant-current charging, and finally, constant-voltage charging until the battery reaches its full capacity. The device incorporates various protection mechanisms to ensure safe and reliable charging.

Detailed Application Field Plans

The LT3650EMSE-8.4#TRPBF finds applications in various fields, including: 1. Portable electronic devices such as smartphones, tablets, and laptops. 2. Battery-powered medical devices and equipment. 3. Industrial automation systems requiring battery backup. 4. Electric vehicles and hybrid electric vehicles (HEVs). 5. Renewable energy systems utilizing lithium-ion batteries.

Detailed Alternative Models

1. LT3650EMSE-8.2#TRPBF: Similar to LT3650EMSE-8.4#TRPBF but with an output voltage of 8.2V.
2. LT3650EMSE-9#TRPBF: Similar to LT3650EMSE-8.4#TRPBF but with an output voltage of 9V.
3. LT3650EMSE-12#TRPBF: Similar to LT3650EMSE-8.4#TRPBF but with an output voltage of 12V.

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

In conclusion, the LT3650EMSE-8.4#TRPBF is a versatile power management IC designed for efficient and reliable charging of lithium-ion batteries. Its wide input voltage range, high charging current capability,