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AD7280ABSTZ
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AD7280ABSTZ

Product Overview

Category

AD7280ABSTZ belongs to the category of integrated circuit (IC) chips.

Use

This IC chip is primarily used for battery monitoring and management applications.

Characteristics

  • High accuracy voltage measurement
  • Low power consumption
  • Small form factor
  • Wide operating temperature range

Package

AD7280ABSTZ is available in a small outline package (SOP).

Essence

The essence of AD7280ABSTZ lies in its ability to accurately monitor and manage battery voltages, ensuring optimal performance and longevity.

Packaging/Quantity

AD7280ABSTZ is typically sold in reels containing a specific quantity of chips, depending on the manufacturer's packaging specifications.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Number of Channels: 8
  • Resolution: 12 bits
  • Communication Interface: I2C
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SDA: Serial data line for I2C communication
  4. SCL: Serial clock line for I2C communication
  5. ALERT: Interrupt output pin
  6. REF: Reference voltage input
  7. VIN1 to VIN8: Battery voltage measurement inputs

Functional Features

  • Accurate voltage measurement for each battery channel
  • Overvoltage and undervoltage detection
  • Temperature measurement capability
  • Programmable alert thresholds
  • Daisy-chain support for multiple devices

Advantages

  • High accuracy voltage measurement ensures precise battery monitoring
  • Low power consumption prolongs battery life
  • Small form factor allows for space-efficient designs
  • Wide operating temperature range enables usage in various environments

Disadvantages

  • Limited number of channels (8)
  • Requires external reference voltage for accurate measurements

Working Principles

AD7280ABSTZ operates by sampling the battery voltages through its input channels. It then converts these analog voltages into digital values using its built-in ADC (Analog-to-Digital Converter). The converted digital values are processed and can be accessed through the I2C interface.

Detailed Application Field Plans

AD7280ABSTZ finds applications in various fields, including:

  1. Electric vehicles: Battery monitoring and management systems
  2. Renewable energy systems: Monitoring battery banks in solar or wind power installations
  3. Portable electronic devices: Battery level indication and protection circuits
  4. Industrial equipment: Battery-powered machinery monitoring

Detailed and Complete Alternative Models

  1. AD7280A: Similar functionality with a different package option
  2. LTC6804: Multicell battery monitoring IC with extended features
  3. BQ76940: Battery management IC with integrated protection features

Please note that the above list is not exhaustive, and there may be other alternative models available in the market.

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10個與AD7280ABSTZ在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of AD7280ABSTZ in technical solutions:

  1. Q: What is AD7280ABSTZ? A: AD7280ABSTZ is a multi-cell battery monitoring system that provides accurate voltage and temperature measurements for up to 6 series-connected battery cells.

  2. Q: What is the operating voltage range of AD7280ABSTZ? A: The operating voltage range of AD7280ABSTZ is typically between 2.7V and 5.5V.

  3. Q: How many battery cells can AD7280ABSTZ monitor? A: AD7280ABSTZ can monitor up to 6 series-connected battery cells.

  4. Q: Can AD7280ABSTZ measure battery temperature? A: Yes, AD7280ABSTZ has built-in temperature measurement capabilities for each battery cell.

  5. Q: What communication interface does AD7280ABSTZ support? A: AD7280ABSTZ supports a serial peripheral interface (SPI) for communication with a microcontroller or other devices.

  6. Q: Is AD7280ABSTZ suitable for automotive applications? A: Yes, AD7280ABSTZ is designed to meet the requirements of automotive applications and is AEC-Q100 qualified.

  7. Q: Can AD7280ABSTZ detect overvoltage or undervoltage conditions? A: Yes, AD7280ABSTZ can detect overvoltage and undervoltage conditions for each battery cell.

  8. Q: Does AD7280ABSTZ have any built-in fault detection features? A: Yes, AD7280ABSTZ has various fault detection features such as open-wire detection, overtemperature detection, and cell imbalance detection.

  9. Q: Can AD7280ABSTZ be used in high-precision battery management systems? A: Yes, AD7280ABSTZ offers high-precision voltage measurement with an accuracy of ±0.5 mV.

  10. Q: What is the package type of AD7280ABSTZ? A: AD7280ABSTZ is available in a 32-lead LFCSP (lead-frame chip-scale package) with exposed pad for thermal management.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.