Texas Instruments
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BQ771612DPJR
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BQ771612DPJR

Product Overview

Category

BQ771612DPJR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and battery protection.

Characteristics

  • Integrated circuit
  • Power management and battery protection functions
  • Compact size
  • High efficiency
  • Low power consumption

Package

BQ771612DPJR is available in a small outline package (SOP) or dual flat no-leads (DFN) package.

Essence

The essence of BQ771612DPJR lies in its ability to efficiently manage power and protect batteries in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying depending on customer requirements.

Specifications

  • Input voltage range: 2.7V - 4.8V
  • Operating temperature range: -40°C to +85°C
  • Output current: up to 1.5A
  • Battery voltage range: 3.6V - 4.35V
  • Overvoltage protection threshold: 4.4V
  • Undervoltage protection threshold: 2.5V
  • Short-circuit protection: Yes
  • Overcurrent protection: Yes

Detailed Pin Configuration

  1. VBAT: Battery voltage input
  2. GND: Ground
  3. EN: Enable pin
  4. STAT: Status output pin
  5. SDA: I2C data line
  6. SCL: I2C clock line
  7. OUT: Power output
  8. NC: No connection

Functional Features

  • Overvoltage protection: Prevents damage to the battery by cutting off the power supply when the voltage exceeds the threshold.
  • Undervoltage protection: Safeguards the battery by disconnecting the load when the voltage drops below the threshold.
  • Short-circuit protection: Detects and shuts down the power supply in case of a short circuit, preventing further damage.
  • Overcurrent protection: Limits the output current to protect the battery and connected devices from excessive current flow.

Advantages and Disadvantages

Advantages

  • Efficient power management
  • Reliable battery protection
  • Compact size for space-constrained applications
  • Low power consumption

Disadvantages

  • Limited output current capacity (up to 1.5A)
  • Requires external control via I2C interface

Working Principles

BQ771612DPJR operates by continuously monitoring the battery voltage and current. It utilizes internal algorithms to determine if any protection measures need to be activated. The device communicates with the system controller through the I2C interface, allowing for configuration and status monitoring.

Detailed Application Field Plans

BQ771612DPJR finds applications in various electronic devices, including: - Smartphones - Tablets - Portable gaming consoles - Wearable devices - IoT devices

Detailed and Complete Alternative Models

  1. BQ771613DPJR
  2. BQ771614DPJR
  3. BQ771615DPJR
  4. BQ771616DPJR

These alternative models offer similar functionality but may have different specifications or package options.

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Énumérez 10 questions et réponses courantes liées à l'application de BQ771612DPJR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of BQ771612DPJR in technical solutions:

  1. Question: What is BQ771612DPJR?
    - Answer: BQ771612DPJR is a specific model of battery management IC (Integrated Circuit) designed for use in technical solutions.

  2. Question: What is the purpose of BQ771612DPJR?
    - Answer: The purpose of BQ771612DPJR is to provide accurate monitoring, protection, and control of lithium-ion or lithium-polymer battery packs.

  3. Question: What are the key features of BQ771612DPJR?
    - Answer: Some key features of BQ771612DPJR include cell balancing, overvoltage/undervoltage protection, overcurrent protection, temperature monitoring, and communication interfaces.

  4. Question: How does BQ771612DPJR perform cell balancing?
    - Answer: BQ771612DPJR performs cell balancing by redistributing charge between individual cells in a battery pack to ensure they have similar voltage levels.

  5. Question: Can BQ771612DPJR protect against overcharging and overdischarging?
    - Answer: Yes, BQ771612DPJR provides overvoltage and undervoltage protection to prevent overcharging and overdischarging of battery cells.

  6. Question: Does BQ771612DPJR support temperature monitoring?
    - Answer: Yes, BQ771612DPJR has built-in temperature monitoring capabilities to ensure safe operation of the battery pack.

  7. Question: What communication interfaces are supported by BQ771612DPJR?
    - Answer: BQ771612DPJR supports various communication interfaces such as I2C (Inter-Integrated Circuit) and SMBus (System Management Bus).

  8. Question: Can BQ771612DPJR be used in automotive applications?
    - Answer: Yes, BQ771612DPJR is suitable for automotive applications as it meets the required safety and reliability standards.

  9. Question: What is the maximum number of cells that BQ771612DPJR can support?
    - Answer: BQ771612DPJR can support up to 16 series-connected battery cells.

  10. Question: Are there any evaluation boards or reference designs available for BQ771612DPJR?
    - Answer: Yes, Texas Instruments provides evaluation boards and reference designs to help developers integrate BQ771612DPJR into their technical solutions more easily.

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