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BQ25708RSNR
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BQ25708RSNR

Product Overview

Category

BQ25708RSNR belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is designed for use in various portable electronic devices, such as smartphones, tablets, and laptops.

Characteristics

  • Efficient power management
  • Fast charging capabilities
  • Multiple protection features
  • Compact package size
  • High reliability

Package

The BQ25708RSNR is available in a small outline no-lead (SON) package, which ensures easy integration into electronic devices.

Essence

The essence of the BQ25708RSNR lies in its ability to efficiently manage power and provide fast charging solutions for portable electronic devices.

Packaging/Quantity

This PMIC is typically sold in reels containing a specified quantity, usually 2500 units per reel.

Specifications

  • Input voltage range: 3.5V - 24V
  • Output voltage range: 3.5V - 24V
  • Charging current: Up to 8A
  • Efficiency: Up to 95%
  • Operating temperature range: -40°C to 85°C

Detailed Pin Configuration

The BQ25708RSNR has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. TS: Temperature sense pin
  4. ISET: Current limit setting pin
  5. STAT: Status indication pin
  6. VBUS: USB input voltage pin
  7. BAT: Battery voltage pin
  8. SYS: System voltage pin
  9. PG: Power good indication pin
  10. SDA: I2C data pin
  11. SCL: I2C clock pin

Functional Features

  • Dynamic power path management
  • Battery charging with thermal regulation
  • Input current and voltage regulation
  • Charge termination and safety timers
  • System voltage monitoring and control

Advantages and Disadvantages

Advantages

  • Efficient power management ensures optimal battery usage.
  • Fast charging capabilities reduce charging time for devices.
  • Multiple protection features safeguard against overcharging, overheating, and short circuits.
  • Compact package size allows for easy integration into various electronic devices.
  • High reliability ensures long-lasting performance.

Disadvantages

  • Limited compatibility with certain device models.
  • Higher cost compared to standard power management solutions.
  • Requires proper thermal management to prevent overheating.

Working Principles

The BQ25708RSNR operates by efficiently managing the power flow between the input source (e.g., USB charger) and the battery. It dynamically adjusts the charging current and voltage based on the battery's state of charge and temperature. The PMIC also incorporates various safety features to protect the battery and the device from potential damage.

Detailed Application Field Plans

The BQ25708RSNR is widely used in portable electronic devices, including smartphones, tablets, laptops, and other battery-powered devices. Its fast charging capabilities and efficient power management make it suitable for applications where quick charging and extended battery life are essential.

Detailed and Complete Alternative Models

  1. BQ25892RSNR: Similar to BQ25708RSNR, but with additional USB Type-C support.
  2. BQ25619RSNR: Offers similar functionality with a lower charging current capability.
  3. BQ24296RSNR: Provides basic power management features at a lower cost.

These alternative models offer different specifications and features, allowing users to choose the most suitable PMIC for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ25708RSNR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ25708RSNR in technical solutions:

  1. Q: What is the BQ25708RSNR? A: The BQ25708RSNR is a highly integrated battery charge controller and power path management device designed for single-cell Li-Ion and Li-Polymer batteries.

  2. Q: What are the key features of the BQ25708RSNR? A: The key features include high-efficiency charging, dynamic power management, input current optimization, system power monitoring, and various protection mechanisms.

  3. Q: What is the maximum charging current supported by the BQ25708RSNR? A: The BQ25708RSNR supports a maximum charging current of up to 8A.

  4. Q: Can the BQ25708RSNR be used with multiple battery chemistries? A: Yes, the BQ25708RSNR is compatible with both Li-Ion and Li-Polymer battery chemistries.

  5. Q: Does the BQ25708RSNR support USB Type-C Power Delivery (PD)? A: Yes, the BQ25708RSNR supports USB Type-C PD with programmable power profiles.

  6. Q: Can the BQ25708RSNR operate as a standalone charger? A: Yes, the BQ25708RSNR can operate as a standalone charger without the need for an external microcontroller.

  7. Q: What is the input voltage range supported by the BQ25708RSNR? A: The BQ25708RSNR supports an input voltage range of 3.5V to 24V.

  8. Q: Does the BQ25708RSNR have built-in thermal regulation? A: Yes, the BQ25708RSNR features built-in thermal regulation to prevent overheating.

  9. Q: Can the BQ25708RSNR be used in portable devices like smartphones and tablets? A: Yes, the BQ25708RSNR is suitable for use in various portable devices that require battery charging and power management.

  10. Q: Are there any evaluation modules or reference designs available for the BQ25708RSNR? A: Yes, Texas Instruments provides evaluation modules and reference designs to help developers quickly prototype and integrate the BQ25708RSNR into their applications.

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