MAX17811GTL+T

Product Overview

Category

The MAX17811GTL+T belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for automotive applications, specifically in battery management systems.

Characteristics

• The MAX17811GTL+T is a highly integrated and versatile IC designed for accurate monitoring and control of lithium-ion battery packs.
• It offers advanced safety features, such as overvoltage protection, undervoltage protection, and overcurrent protection.
• The IC also provides precise cell voltage measurement and balancing capabilities.
• It supports communication protocols like SPI and I2C, enabling seamless integration with microcontrollers or other devices.
• With its low power consumption and compact size, the MAX17811GTL+T is suitable for space-constrained automotive environments.

Package

The MAX17811GTL+T is available in a small 40-pin TQFN package.

Essence

The essence of the MAX17811GTL+T lies in its ability to ensure the safe and efficient operation of lithium-ion battery packs in automotive applications.

Packaging/Quantity

This IC is typically sold in reels, with each reel containing a specific quantity of MAX17811GTL+T units. The exact quantity may vary depending on the manufacturer or distributor.

Specifications

• Input Voltage Range: 4V to 36V
• Operating Temperature Range: -40°C to +125°C
• Cell Voltage Measurement Accuracy: ±5mV
• Balancing Current: Up to 100mA per cell
• Communication Interface: SPI, I2C
• Package Type: 40-pin TQFN

Detailed Pin Configuration

The MAX17811GTL+T has a total of 40 pins. Here is a detailed pin configuration:

1. VDD
2. VSS
3. VREF
4. SDA
5. SCL
6. ALERT
7. INT
8. CSB
9. DIN
10. DOUT
11. CLK
12. AUX1
13. AUX2
14. AUX3
15. AUX4
16. AUX5
17. AUX6
18. AUX7
19. AUX8
20. AUX9
21. AUX10
22. AUX11
23. AUX12
24. AUX13
25. AUX14
26. AUX15
27. AUX16
28. AUX17
29. AUX18
30. AUX19
31. AUX20
32. AUX21
33. AUX22
34. AUX23
35. AUX24
36. AUX25
37. AUX26
38. AUX27
39. AUX28
40. AUX29

Functional Features

• Accurate cell voltage measurement for precise battery monitoring.
• Overvoltage protection to prevent damage to the battery pack.
• Undervoltage protection to ensure safe operation under low voltage conditions.
• Overcurrent protection to safeguard against excessive current flow.
• Cell balancing capability to equalize the charge levels of individual cells.
• Communication interfaces (SPI, I2C) for seamless integration with other devices.
• Low power consumption for energy efficiency.
• Compact size for space-constrained automotive applications.

Advantages and Disadvantages

Advantages

• Highly integrated solution for battery management systems.
• Advanced safety features protect the battery pack from various risks.
• Precise cell voltage measurement ensures accurate monitoring.
• Cell balancing capability extends battery life and improves performance.
• Supports multiple communication protocols for flexible integration.
• Low power consumption contributes to energy efficiency.
• Compact size allows for easy installation in tight spaces.

Disadvantages

• Limited to automotive applications, may not be suitable for other industries.
• Requires additional components for a complete battery management system.
• Relatively high cost compared to simpler battery monitoring solutions.

Working Principles

The MAX17811GTL+T operates by continuously monitoring the voltage levels of individual cells within a lithium-ion battery pack. It uses this information to ensure safe operation and optimal performance. The IC employs various protection mechanisms, such as overvoltage and undervoltage detection, to prevent damage to the battery pack. Additionally, the MAX17811GTL+T incorporates cell balancing functionality to equalize the charge levels of each cell, thereby maximizing overall battery life and capacity.

Detailed Application Field Plans

The MAX17811GTL+T is primarily designed for use in automotive battery management systems. It can be integrated into electric vehicles, hybrid vehicles, and other automotive applications that utilize lithium-ion battery packs. By accurately monitoring and controlling the battery pack, the MAX17811GTL+T helps ensure the safety, reliability, and longevity of the batteries in these vehicles.

Detailed and Complete Alternative Models

While the MAX17811GTL+T offers a comprehensive set of features for automotive battery management