LTC3300HLXE-1

Product Overview

Category

The LTC3300HLXE-1 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 managing and balancing the charge and discharge of individual cells within a battery pack.

Characteristics

• Integrated circuit designed for power management in multi-cell battery systems.
• Offers precise cell voltage monitoring and balancing capabilities.
• Provides protection against overvoltage, undervoltage, and overcurrent conditions.
• Enables efficient charging and discharging of battery cells.
• Supports high voltage differentials between cells.

Package

The LTC3300HLXE-1 is available in a small form factor package, typically a 38-lead exposed pad plastic QFN (Quad Flat No-Lead) package. This package ensures good thermal performance and ease of integration into various electronic systems.

Essence

The essence of the LTC3300HLXE-1 lies in its ability to monitor and balance the voltages of individual cells within a battery pack, ensuring optimal performance and longevity of the overall battery system.

Packaging/Quantity

The LTC3300HLXE-1 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
• Maximum Cell Balancing Current: 100mA
• Operating Temperature Range: -40°C to 85°C
• Package Dimensions: 6mm x 6mm

Detailed Pin Configuration

The LTC3300HLXE-1 features a total of 38 pins. The pin configuration is as follows:

1. VCC
2. GND
3. VREF
4. VIN
5. VOUT
6. BAL1
7. BAL2
8. BAL3
9. BAL4
10. BAL5
11. BAL6
12. BAL7
13. BAL8
14. BAL9
15. BAL10
16. BAL11
17. BAL12
18. BAL13
19. BAL14
20. BAL15
21. BAL16
22. BAL17
23. BAL18
24. BAL19
25. BAL20
26. BAL21
27. BAL22
28. BAL23
29. BAL24
30. BAL25
31. BAL26
32. BAL27
33. BAL28
34. BAL29
35. BAL30
36. BAL31
37. BAL32
38. BAL33

Functional Features

• Precise cell voltage monitoring: The LTC3300HLXE-1 can accurately measure the voltage of each individual cell within a battery pack, ensuring optimal performance and preventing overvoltage or undervoltage conditions.

• Cell balancing: This IC incorporates a sophisticated balancing algorithm that redistributes charge between cells to ensure they are all at the same voltage level. This helps to maximize the capacity and lifespan of the battery pack.

• Overvoltage and undervoltage protection: The LTC3300HLXE-1 provides built-in protection against overvoltage and undervoltage conditions, safeguarding the battery cells from potential damage.

• Overcurrent protection: In case of excessive current flow, this IC offers overcurrent protection, preventing any potential damage to the battery cells or the overall system.

Advantages and Disadvantages

Advantages

• Efficient management and balancing of multi-cell battery systems.
• Comprehensive protection against overvoltage, undervoltage, and overcurrent conditions.
• High voltage differential support.
• Small form factor package for easy integration.

Disadvantages

• Limited maximum cell balancing current (100mA).
• Restricted operating temperature range (-40°C to 85°C).

Working Principles

The LTC3300HLXE-1 operates by continuously monitoring the voltage of each individual cell within a battery pack. It compares these voltages to predefined thresholds and triggers appropriate actions to balance the cells and protect against overvoltage, undervoltage, and overcurrent conditions. The IC utilizes an internal algorithm to redistribute charge between cells, ensuring they are all maintained at the same voltage level.

Detailed Application Field Plans

The LTC3300HLXE-1 finds extensive application in various fields where multi-cell battery systems are utilized. Some specific application areas include:

1. Electric vehicles: This IC is used in electric vehicle battery packs to manage and balance the charge and discharge of individual cells, optimizing the overall performance and extending the battery life.

2. Renewable energy storage: In renewable energy systems such as solar or wind power installations, the LTC3300HLXE-1 ensures efficient utilization of battery banks by maintaining balanced cell volt