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MAX17823AGCB+T
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MAX17823AGCB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Battery Management System (BMS)
  • Characteristics:
    • High voltage, high accuracy, and high integration
    • Designed for automotive applications
    • Supports lithium-ion battery packs
  • Package: 48-TQFN (7mm x 7mm)
  • Essence: Advanced BMS IC for automotive battery management
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4V to 65V
  • Cell Voltage Measurement Accuracy: ±2mV
  • Temperature Measurement Accuracy: ±1°C
  • Current Measurement Accuracy: ±3%
  • Communication Interface: SPI
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17823AGCB+T has a total of 48 pins. The pin configuration is as follows:

  1. VDD
  2. VDDA
  3. VSS
  4. VSSA
  5. VREF
  6. VREFEXT
  7. VBAT
  8. VBATP
  9. VCELL1P
  10. VCELL1N
  11. VCELL2P
  12. VCELL2N
  13. VCELL3P
  14. VCELL3N
  15. VCELL4P
  16. VCELL4N
  17. VCELL5P
  18. VCELL5N
  19. VCELL6P
  20. VCELL6N
  21. VCELL7P
  22. VCELL7N
  23. VCELL8P
  24. VCELL8N
  25. VCELL9P
  26. VCELL9N
  27. VCELL10P
  28. VCELL10N
  29. VCELL11P
  30. VCELL11N
  31. VCELL12P
  32. VCELL12N
  33. VCELL13P
  34. VCELL13N
  35. VCELL14P
  36. VCELL14N
  37. VCELL15P
  38. VCELL15N
  39. VCELL16P
  40. VCELL16N
  41. VCELL17P
  42. VCELL17N
  43. VCELL18P
  44. VCELL18N
  45. VCELL19P
  46. VCELL19N
  47. VCELL20P
  48. VCELL20N

Functional Features

  • Accurate measurement of cell voltages and temperature
  • Overvoltage and undervoltage protection
  • Overcurrent protection
  • Cell balancing functionality
  • Fault detection and reporting
  • SPI interface for communication with external microcontrollers

Advantages and Disadvantages

Advantages: - High accuracy measurements - Comprehensive protection features - Integrated cell balancing - Suitable for automotive applications

Disadvantages: - Limited to lithium-ion battery packs - Requires external microcontroller for full functionality

Working Principles

The MAX17823AGCB+T is designed to monitor and manage the individual cells within a lithium-ion battery pack. It accurately measures the voltage and temperature of each cell, providing protection against overvoltage, undervoltage, and overcurrent conditions. The IC also includes cell balancing functionality to equalize the charge across cells, improving overall battery performance and lifespan. Communication with an external microcontroller is achieved through the SPI interface.

Detailed Application Field Plans

The MAX17823AGCB+T is primarily used in automotive battery management systems. It is suitable for electric vehicles (EVs), hybrid electric vehicles (HEVs), and other automotive applications that utilize lithium-ion battery packs. The IC ensures the safe and efficient operation of the battery pack by monitoring cell voltages, temperature, and current. It also provides fault detection and reporting capabilities.

Detailed and Complete Alternative Models

  • MAX17843: Similar functionality with additional features such as fuel gauge and authentication
  • LTC6804: Battery stack monitor with similar voltage measurement accuracy
  • BQ76940: Battery management IC with integrated cell balancing and communication interface

Note: The above alternative models are provided for reference and may have different specifications and pin configurations.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX17823AGCB+T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MAX17823AGCB+T in technical solutions:

  1. Q: What is the MAX17823AGCB+T? A: The MAX17823AGCB+T is a high-voltage, high-accuracy battery management system (BMS) IC designed for automotive applications.

  2. Q: What are the key features of the MAX17823AGCB+T? A: The key features include cell voltage monitoring, temperature sensing, current measurement, state-of-charge estimation, and communication interfaces for data exchange.

  3. Q: How does the MAX17823AGCB+T help in battery management? A: It provides accurate monitoring and control of individual battery cells, ensuring optimal performance, safety, and longevity of the battery pack.

  4. Q: Can the MAX17823AGCB+T be used in electric vehicles (EVs)? A: Yes, it is specifically designed for EV applications, providing comprehensive battery management capabilities.

  5. Q: What communication interfaces does the MAX17823AGCB+T support? A: It supports various interfaces such as SPI, I2C, and UART, allowing seamless integration with microcontrollers or other control systems.

  6. Q: Does the MAX17823AGCB+T have built-in safety features? A: Yes, it includes safety features like overvoltage protection, undervoltage protection, and overcurrent protection to ensure safe operation of the battery pack.

  7. Q: Can the MAX17823AGCB+T handle high-voltage battery packs? A: Yes, it can handle battery packs with voltages up to 65V, making it suitable for both low-voltage and high-voltage applications.

  8. Q: Is the MAX17823AGCB+T compatible with lithium-ion batteries? A: Yes, it is designed to work with various types of lithium-ion batteries, including LiFePO4, LiCoO2, and NMC chemistries.

  9. Q: Can the MAX17823AGCB+T be used in industrial applications other than automotive? A: Yes, it can be applied in a wide range of industrial applications that require precise battery management, such as energy storage systems and UPSs.

  10. Q: Are there any evaluation kits or reference designs available for the MAX17823AGCB+T? A: Yes, Maxim Integrated provides evaluation kits and reference designs to help engineers quickly prototype and implement the MAX17823AGCB+T in their applications.

Please note that these answers are general and may vary depending on specific application requirements.