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ISL94212INZ-T
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ISL94212INZ-T

Product Overview

Category

ISL94212INZ-T belongs to the category of integrated battery management systems.

Use

It is primarily used for managing and monitoring rechargeable lithium-ion (Li-ion) batteries.

Characteristics

  • Integrated battery management system
  • Monitors and controls Li-ion batteries
  • Provides protection against overcharging, over-discharging, and overcurrent
  • Enables accurate fuel gauging and cell balancing

Package

ISL94212INZ-T comes in a compact and durable package, designed to withstand harsh environmental conditions.

Essence

The essence of ISL94212INZ-T lies in its ability to ensure the safe and efficient operation of Li-ion batteries by providing comprehensive management and protection features.

Packaging/Quantity

ISL94212INZ-T is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 16V
  • Operating Temperature Range: -40°C to +85°C
  • Cell Balancing Current: Up to 150mA
  • Fuel Gauge Accuracy: ±10mV
  • Communication Interface: I2C/SMBus

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SDA: Serial data line for communication
  4. SCL: Serial clock line for communication
  5. ALERT: Interrupt output signal
  6. BAT: Battery voltage sense input
  7. TS: Thermistor input for temperature monitoring
  8. CBAT: Cell balancing control output

Functional Features

  • Overvoltage protection
  • Undervoltage protection
  • Overcurrent protection
  • Short circuit protection
  • Cell balancing for improved battery performance
  • Accurate fuel gauging for battery capacity estimation
  • Temperature monitoring for thermal protection

Advantages and Disadvantages

Advantages

  • Comprehensive battery management features
  • Accurate fuel gauging for precise capacity estimation
  • Robust protection against various battery faults
  • Compact and durable package design
  • Wide operating temperature range

Disadvantages

  • Limited to Li-ion battery management only
  • Requires external microcontroller for full functionality

Working Principles

ISL94212INZ-T operates by continuously monitoring the voltage, current, and temperature of each individual cell in a Li-ion battery pack. It uses this information to implement various protection mechanisms, such as overvoltage and undervoltage protection, to prevent damage to the battery cells. The integrated cell balancing feature ensures that all cells are charged and discharged evenly, maximizing the overall battery performance and lifespan. The fuel gauging functionality accurately estimates the remaining battery capacity, providing users with reliable information about the battery's state of charge.

Detailed Application Field Plans

ISL94212INZ-T finds applications in various fields, including: 1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 2. Portable electronic devices 3. Energy storage systems 4. Industrial equipment 5. Medical devices

Detailed and Complete Alternative Models

Some alternative models to ISL94212INZ-T include: 1. BQ76940: Integrated battery management system with similar features 2. LTC6804: Multicell battery monitor and protector 3. MAX14920: Battery management IC with built-in safety features 4. MCP73871: Single-cell Li-ion/Li-polymer charge management controller

These alternative models offer similar functionalities and can be considered based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ISL94212INZ-T у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of ISL94212INZ-T in technical solutions:

  1. Q: What is the ISL94212INZ-T? A: The ISL94212INZ-T is a highly integrated battery management IC (BMS) designed for multi-cell lithium-ion or lithium-polymer battery packs.

  2. Q: What is the maximum number of cells that can be managed by the ISL94212INZ-T? A: The ISL94212INZ-T can manage up to 12 series-connected cells.

  3. Q: What are the key features of the ISL94212INZ-T? A: Some key features include cell balancing, overvoltage/undervoltage protection, temperature monitoring, current sensing, and communication interfaces.

  4. Q: How does cell balancing work with the ISL94212INZ-T? A: The ISL94212INZ-T uses an active cell balancing technique to redistribute charge between cells, ensuring that all cells are charged and discharged evenly.

  5. Q: Can the ISL94212INZ-T handle high charging currents? A: Yes, the ISL94212INZ-T supports high charging currents up to 10A, making it suitable for fast-charging applications.

  6. Q: Does the ISL94212INZ-T have built-in safety features? A: Yes, the ISL94212INZ-T provides comprehensive safety features such as overvoltage protection, undervoltage protection, and overcurrent protection.

  7. Q: What communication interfaces are supported by the ISL94212INZ-T? A: The ISL94212INZ-T supports I2C and SMBus interfaces, allowing for easy integration with microcontrollers or host systems.

  8. Q: Can the ISL94212INZ-T monitor battery temperature? A: Yes, the ISL94212INZ-T has built-in temperature monitoring capabilities to ensure safe operation and prevent overheating.

  9. Q: Is the ISL94212INZ-T suitable for automotive applications? A: Yes, the ISL94212INZ-T is designed to meet the stringent requirements of automotive applications, including ISO 26262 functional safety standards.

  10. Q: Are evaluation boards available for the ISL94212INZ-T? A: Yes, Intersil offers evaluation boards and reference designs to help developers quickly prototype and evaluate the ISL94212INZ-T in their applications.

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