LTC3300IUK-2

Product Overview

Category

The LTC3300IUK-2 belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, particularly in multi-cell battery systems. It provides a comprehensive solution for balancing and monitoring the voltage levels of individual cells within a battery pack.

Characteristics

• Balancing and monitoring IC for multi-cell battery systems
• High accuracy voltage measurement
• Integrated cell balancing functionality
• Wide operating temperature range
• Low power consumption
• Compact package size

Package

The LTC3300IUK-2 is available in a 32-pin QFN (Quad Flat No-Lead) package. This package offers excellent thermal performance and ease of integration into various electronic systems.

Essence

The essence of the LTC3300IUK-2 lies in its ability to ensure optimal performance and longevity of multi-cell battery systems by actively balancing and monitoring individual cell voltages.

Packaging/Quantity

The LTC3300IUK-2 is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Cell Voltage Measurement Range: 0V to 5V
• Cell Balancing Current: Up to 200mA
• Operating Temperature Range: -40°C to 85°C
• Package Dimensions: 5mm x 5mm x 0.75mm

Detailed Pin Configuration

The LTC3300IUK-2 features a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. VREF-
2. VREF+
3. VCC
4. GND
5. VIN
6. VOUT
7. VOUT
8. VOUT
9. VOUT
10. VOUT
11. VOUT
12. VOUT
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32. VOUT

Functional Features

The LTC3300IUK-2 offers several key functional features:

1. Cell Balancing: The IC actively balances the voltage levels of individual cells within a battery pack, ensuring optimal performance and longevity.

2. Voltage Monitoring: It provides high accuracy voltage measurement for each cell, allowing precise monitoring of their health and performance.

3. Overvoltage Protection: The LTC3300IUK-2 incorporates overvoltage protection circuitry to safeguard the battery cells from potential damage due to excessive voltage levels.

4. Low Power Consumption: The IC is designed to minimize power consumption, making it suitable for energy-efficient applications.

Advantages and Disadvantages

Advantages

• Comprehensive solution for multi-cell battery systems
• High accuracy voltage measurement
• Integrated cell balancing functionality
• Wide operating temperature range
• Compact package size

Disadvantages

• Limited to power management applications
• Requires careful consideration of thermal management due to compact package size

Working Principles

The LTC3300IUK-2 operates by continuously monitoring the voltage levels of individual cells within a battery pack. If any cell's voltage exceeds a predefined threshold, the IC activates the cell balancing functionality to redistribute charge among the cells, ensuring uniform voltage levels. This active balancing process helps to maximize the overall capacity and lifespan of the battery pack.

Detailed Application Field Plans

The LTC3300IUK-2 finds extensive application in various fields, including:

1. Electric Vehicles: It is used in electric vehicle battery packs to maintain optimal cell voltage levels, ensuring efficient and reliable performance.

2. Renewable Energy Systems: The IC is employed in battery storage systems for renewable energy sources like solar and wind power, enabling efficient energy utilization.

3. Portable Electronics: It is utilized in portable electronic devices such as smartphones, tablets, and laptops to manage the voltage levels of their internal battery cells.

4. Medical Devices: The LTC3300IUK-2 is integrated into medical devices that rely on battery power, ensuring consistent and safe operation.

Detailed and Complete Alternative Models

1. LTC3300IUK-1: Similar to the LTC3300IUK-2, this model offers cell balancing and monitoring functionality but with a different pin configuration.

2. LTC3300IUK-3: This alternative model provides enhanced features such as higher cell balancing current and extended temperature range.

3. LTC3300IUK-