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ISL94203IRTZ

ISL94203IRTZ

Product Overview

Category

ISL94203IRTZ belongs to the category of integrated battery management systems.

Use

The ISL94203IRTZ is used for monitoring and managing rechargeable lithium-ion battery packs.

Characteristics

  • Integrated battery management system
  • Monitors and manages lithium-ion battery packs
  • Provides accurate voltage and temperature measurements
  • Offers overvoltage and undervoltage protection
  • Supports cell balancing for optimal battery performance

Package

The ISL94203IRTZ comes in a small outline package (SOP) with 48 pins.

Essence

The essence of the ISL94203IRTZ is to ensure the safe and efficient operation of lithium-ion battery packs by providing comprehensive monitoring and management capabilities.

Packaging/Quantity

The ISL94203IRTZ is typically packaged in reels and is available in quantities of 250 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 4.5V
  • Operating Temperature Range: -40°C to +85°C
  • Cell Balancing Current: Up to 100mA
  • Overvoltage Protection Threshold: Configurable
  • Undervoltage Protection Threshold: Configurable
  • Communication Interface: I2C

Detailed Pin Configuration

  1. VDD
  2. SDA
  3. SCL
  4. ALERT
  5. GND
  6. BAT1P
  7. BAT1N
  8. BAT2P
  9. BAT2N
  10. BAT3P
  11. BAT3N
  12. BAT4P
  13. BAT4N
  14. BAT5P
  15. BAT5N
  16. BAT6P
  17. BAT6N
  18. BAT7P
  19. BAT7N
  20. BAT8P
  21. BAT8N
  22. BAT9P
  23. BAT9N
  24. BAT10P
  25. BAT10N
  26. BAT11P
  27. BAT11N
  28. BAT12P
  29. BAT12N
  30. BAT13P
  31. BAT13N
  32. BAT14P
  33. BAT14N
  34. BAT15P
  35. BAT15N
  36. BAT16P
  37. BAT16N
  38. BAT17P
  39. BAT17N
  40. BAT18P
  41. BAT18N
  42. BAT19P
  43. BAT19N
  44. BAT20P
  45. BAT20N
  46. BAT21P
  47. BAT21N
  48. VSS

Functional Features

  • Accurate voltage and temperature measurements for each battery cell
  • Overvoltage and undervoltage protection to prevent damage to the battery pack
  • Cell balancing functionality to ensure optimal performance of individual cells
  • Configurable protection thresholds for customization based on specific requirements
  • I2C communication interface for easy integration with microcontrollers or other devices

Advantages and Disadvantages

Advantages

  • Comprehensive monitoring and management capabilities
  • Customizable protection thresholds
  • Supports up to 21 battery cells
  • Small package size for space-constrained applications

Disadvantages

  • Requires additional external components for full system implementation
  • Limited availability in smaller quantities

Working Principles

The ISL94203IRTZ works by continuously monitoring the voltage and temperature of each battery cell in a lithium-ion battery pack. It compares these measurements against configurable thresholds to detect overvoltage and undervoltage conditions. If any abnormality is detected, the system takes appropriate actions to protect the battery pack. Additionally, the ISL94203IRTZ performs cell balancing to equalize the charge levels of individual cells, ensuring optimal performance and longevity of the battery pack.

Detailed Application Field Plans

The ISL94203IRTZ is widely used in various applications that require the monitoring and management of lithium-ion battery packs. Some common application fields include:

  1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs)
  2. Energy storage systems
  3. Portable electronic devices
  4. Uninterruptible power supplies (UPS)
  5. Solar power systems

Detailed and Complete Alternative Models

  1. BQ76940 - Integrated battery management system with similar features and capabilities.
  2. LTC6804 - Multicell battery stack monitor with advanced communication interface options.
  3. MAX14920 - Battery management system with integrated cell balancing and fault detection features.

These alternative models offer similar functionalities to the ISL94203IRTZ and can be considered as alternatives based on specific requirements and preferences.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL94203IRTZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL94203IRTZ in technical solutions:

  1. Q: What is ISL94203IRTZ? A: ISL94203IRTZ is a highly integrated battery management IC (BMS) designed for multi-cell lithium-ion battery packs.

  2. Q: What is the maximum number of cells that ISL94203IRTZ can support? A: ISL94203IRTZ can support up to 13 series-connected lithium-ion cells.

  3. Q: What are the key features of ISL94203IRTZ? A: Some key features include cell balancing, voltage and temperature monitoring, current sensing, and fault detection.

  4. Q: How does ISL94203IRTZ perform cell balancing? A: ISL94203IRTZ uses an internal balancing circuitry to equalize the charge levels of individual cells in a battery pack.

  5. Q: Can ISL94203IRTZ measure the temperature of each cell? A: Yes, ISL94203IRTZ has built-in temperature sensors that can monitor the temperature of each cell in real-time.

  6. Q: Does ISL94203IRTZ support overvoltage and undervoltage protection? A: Yes, ISL94203IRTZ provides overvoltage and undervoltage protection to prevent damage to the battery cells.

  7. Q: Can ISL94203IRTZ detect short circuits or other faults in the battery pack? A: Yes, ISL94203IRTZ has fault detection capabilities to identify and protect against short circuits, overcurrent, and other faults.

  8. Q: Is ISL94203IRTZ compatible with different communication protocols? A: Yes, ISL94203IRTZ supports various communication protocols such as I2C, SMBus, and HDQ for easy integration into different systems.

  9. Q: Can ISL94203IRTZ be used in automotive applications? A: Yes, ISL94203IRTZ is suitable for automotive applications and meets the necessary safety and reliability standards.

  10. Q: Are evaluation boards or reference designs available for ISL94203IRTZ? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs to help developers quickly prototype and implement ISL94203IRTZ in their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.