LT3650EMSE-4.1#TRPBF

Product Overview

Category

The LT3650EMSE-4.1#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: 4.1V
• Charging Current: Up to 2A
• Efficiency: Up to 94%
• Package Type: MSOP-10E
• Operating Temperature Range: -40°C to 85°C

Package and Quantity

The LT3650EMSE-4.1#TRPBF is available in an MSOP-10E package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Input Voltage Range: 4V to 32V
• Output Voltage: 4.1V ± 1%
• Maximum Charging Current: 2A
• Charge Termination: C/10
• Float Voltage: 4.1V ± 1%
• Efficiency: Up to 94%
• Operating Temperature Range: -40°C to 85°C
• Shutdown Current: <1µA
• Reverse Battery Protection: Yes
• Thermal Shutdown: Yes
• Package Type: MSOP-10E

Pin Configuration

The LT3650EMSE-4.1#TRPBF has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: VIN - Input Voltage --| VOUT GND |-- Pin 2: VOUT - Output Voltage --| PROG GND |-- Pin 3: PROG - Programming Pin --| STAT GND |-- Pin 4: STAT - Status Indicator --| ILIM GND |-- Pin 5: ILIM - Current Limit Setting --| 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 efficiency ensures optimal use of power.
• Reverse battery protection prevents damage to the circuitry.
• Thermal shutdown feature protects against overheating.
• Programmable charge current limit provides flexibility.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• High charging efficiency minimizes energy loss during the charging process.
• Reverse battery protection safeguards the circuitry from potential damage.
• Programmable charge current limit allows customization based on specific requirements.

Disadvantages

• Limited output voltage options, suitable only for 4.1V applications.
• Relatively high operating temperature range may restrict certain environments.

Working Principles

The LT3650EMSE-4.1#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 into a regulated output voltage suitable for charging the battery. The charge current is programmable using an external resistor connected to the PROG pin. The IC incorporates various protection features such as reverse battery protection and thermal shutdown to ensure safe and reliable operation.

Detailed Application Field Plans

The LT3650EMSE-4.1#TRPBF finds applications in various fields, including: - Portable electronic devices - Battery-powered equipment - Industrial automation - Automotive systems - Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3650EMSE-4.1#TRPBF are: - LTC4000-1: High Voltage High Current Controller for Battery Charging - LT1512: Constant-Voltage/Constant-Current Battery Charger - MCP73871: Stand-Alone Linear Li-Ion/Li-Polymer Charge Management Controller

These alternative models provide different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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