LTC4064EMSE#TRPBF

Product Overview

Category

LTC4064EMSE#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

• Integrated circuit for lithium-ion battery charging
• High efficiency charging algorithm
• Wide input voltage range
• Programmable charge current
• Thermal regulation for safe charging
• Automatic recharge feature
• Low dropout voltage

Package

LTC4064EMSE#TRPBF is available in a small MSOP-10 package, which allows for compact designs and easy integration into electronic devices.

Essence

The essence of LTC4064EMSE#TRPBF lies in its ability to efficiently and safely charge lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 32V
• Charge Current Range: 50mA to 1A
• Charge Voltage Accuracy: ±0.5%
• Operating Temperature Range: -40°C to 85°C
• Shutdown Current: <1µA
• Battery Recharge Threshold: 3.9V
• Battery Float Voltage: 4.2V

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. PROG: Charge current programming pin
4. STAT: Status output pin
5. FLT: Fault output pin
6. BAT: Battery connection pin
7. TS: Thermal shutdown pin
8. VFB: Feedback voltage pin
9. ISET: Current sense resistor connection pin
10. VCC: Supply voltage pin

Functional Features

• Programmable charge current allows flexibility in battery charging rate selection.
• Thermal regulation ensures safe charging by reducing the charge current when the temperature exceeds a certain threshold.
• Automatic recharge feature initiates charging automatically when the battery voltage drops below a predefined threshold.
• Fault output pin provides indication of any charging-related issues or errors.
• Status output pin indicates the charging status, such as charging in progress or charging complete.

Advantages and Disadvantages

Advantages

• High efficiency charging algorithm results in faster charging times.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power loss during charging.
• Compact MSOP-10 package enables space-saving designs.

Disadvantages

• Limited to lithium-ion battery charging applications.
• Requires external current sense resistor for accurate charge current programming.

Working Principles

LTC4064EMSE#TRPBF utilizes a sophisticated charging algorithm to efficiently charge lithium-ion batteries. The charge current is programmable through the PROG pin, allowing customization based on battery capacity and desired charging rate. The integrated thermal regulation feature monitors the temperature and adjusts the charge current accordingly to prevent overheating. The automatic recharge function ensures that the battery is recharged whenever its voltage drops below a specific threshold. The device also provides fault and status outputs for monitoring and indicating the charging process.

Detailed Application Field Plans

LTC4064EMSE#TRPBF finds extensive application in various portable electronic devices that utilize lithium-ion batteries. Some notable examples include: - Smartphones and tablets - Portable media players - Bluetooth headphones - GPS navigation devices - Portable gaming consoles

Detailed and Complete Alternative Models

1. MCP73831T-2ACI/OT: Microchip Technology offers an alternative IC for lithium-ion battery charging with similar features and specifications.
2. MAX1555EZK+T: Maxim Integrated provides an alternative IC suitable for lithium-ion battery charging applications, offering comparable performance.

These alternative models can be considered based on specific design requirements and availability.

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