Texas Instruments
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BQ29413DCTR
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BQ29413DCTR

Product Overview

Category

BQ29413DCTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for battery protection in various electronic devices.

Characteristics

  • Provides overvoltage, undervoltage, and overcurrent protection for batteries.
  • Offers accurate voltage and current monitoring.
  • Supports high-speed communication interfaces.
  • Operates efficiently with low power consumption.

Package

The BQ29413DCTR comes in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to safeguard batteries from potential damage caused by voltage fluctuations and excessive current flow.

Packaging/Quantity

The BQ29413DCTR is typically packaged in reels containing 2500 units.

Specifications

  • Input Voltage Range: 2.5V to 28V
  • Overvoltage Protection Threshold: 4.3V to 4.6V
  • Undervoltage Protection Threshold: 2.2V to 2.5V
  • Overcurrent Detection Threshold: 10mV to 100mV
  • Communication Interface: I2C, SMBus
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BQ29413DCTR features the following pin configuration:

  1. VDD: Power supply input
  2. SDA: Serial data line for communication
  3. SCL: Serial clock line for communication
  4. GND: Ground connection
  5. ALERT: Output signal indicating fault conditions
  6. VSS: Negative supply voltage input
  7. BAT: Battery voltage input
  8. VCC: Positive supply voltage input

Functional Features

  • Overvoltage Protection: Monitors battery voltage and disconnects it from the load when it exceeds the specified threshold.
  • Undervoltage Protection: Cuts off the battery from the load when its voltage drops below the specified threshold.
  • Overcurrent Detection: Detects excessive current flow and triggers protection mechanisms to prevent damage.
  • Communication Interface: Enables communication with external devices for monitoring and control purposes.

Advantages and Disadvantages

Advantages

  • Provides comprehensive battery protection.
  • Accurate voltage and current monitoring.
  • Supports high-speed communication interfaces.
  • Low power consumption.

Disadvantages

  • Limited input voltage range.
  • Requires additional components for complete battery protection.

Working Principles

The BQ29413DCTR operates by continuously monitoring the battery voltage and current. It compares these values against predefined thresholds to detect overvoltage, undervoltage, and overcurrent conditions. When a fault is detected, it disconnects the battery from the load to prevent damage. The IC also features a communication interface that allows external devices to monitor and control the protection functions.

Detailed Application Field Plans

The BQ29413DCTR finds applications in various electronic devices that rely on batteries, such as: - Portable electronics (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - Medical devices - Industrial equipment - Automotive systems

Detailed and Complete Alternative Models

  1. BQ29412DCTR: Similar to BQ29413DCTR but with a different input voltage range.
  2. BQ29414DCTR: Offers additional protection features, including temperature monitoring.
  3. BQ29415DCTR: Designed for higher voltage applications.

These alternative models provide similar battery protection functionalities but may have variations in specifications and features.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ29413DCTR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ29413DCTR in technical solutions:

  1. Question: What is the BQ29413DCTR?
    Answer: The BQ29413DCTR is a voltage supervisor and protector IC designed for use in battery management systems.

  2. Question: What is the operating voltage range of the BQ29413DCTR?
    Answer: The BQ29413DCTR operates within a voltage range of 2.5V to 16V.

  3. Question: Can the BQ29413DCTR be used with different types of batteries?
    Answer: Yes, the BQ29413DCTR can be used with various types of batteries, including lithium-ion, lithium-polymer, and lithium iron phosphate (LiFePO4).

  4. Question: What is the purpose of the BQ29413DCTR in a battery management system?
    Answer: The BQ29413DCTR acts as a voltage supervisor and protector, monitoring the battery voltage and protecting it from overvoltage, undervoltage, and overcurrent conditions.

  5. Question: How does the BQ29413DCTR protect against overvoltage?
    Answer: The BQ29413DCTR has an adjustable overvoltage threshold that triggers a fault condition when the battery voltage exceeds the set threshold, allowing for appropriate protective measures to be taken.

  6. Question: Can the BQ29413DCTR be used in automotive applications?
    Answer: Yes, the BQ29413DCTR is suitable for automotive applications and complies with relevant automotive standards.

  7. Question: Does the BQ29413DCTR have built-in temperature monitoring?
    Answer: No, the BQ29413DCTR does not have built-in temperature monitoring. It primarily focuses on voltage supervision and protection.

  8. Question: Can the BQ29413DCTR be used in multi-cell battery packs?
    Answer: Yes, the BQ29413DCTR can be used in multi-cell battery packs by connecting it to each cell individually or using a multiplexing circuit.

  9. Question: What is the maximum current rating of the BQ29413DCTR?
    Answer: The BQ29413DCTR has a maximum continuous current rating of 10A.

  10. Question: Is the BQ29413DCTR available in different package options?
    Answer: Yes, the BQ29413DCTR is available in a small SOT-23 package, which makes it suitable for space-constrained applications.

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