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BQ25882YFFT
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BQ25882YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The BQ25882YFFT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for managing power in electronic devices, such as smartphones, tablets, and other portable devices. It serves as a battery charger and power path management solution.

Characteristics

  • Integrated circuit
  • Power management functionality
  • Battery charging capabilities
  • Power path management
  • Compact size
  • High efficiency

Package

The BQ25882YFFT is available in a small form factor package, typically a 20-pin QFN (Quad Flat No-leads) package. This package offers ease of integration into various electronic devices.

Essence

The essence of the BQ25882YFFT lies in its ability to efficiently charge batteries while providing power path management. It ensures optimal power delivery and extends battery life.

Packaging/Quantity

The BQ25882YFFT is commonly packaged in reels or trays, depending on the manufacturer's specifications. The quantity per reel or tray may vary, but it is typically supplied in quantities suitable for mass production.

Specifications

  • Input voltage range: 3.9V to 14V
  • Output voltage range: 3.9V to 14V
  • Charging current range: Up to 3A
  • Efficiency: Up to 95%
  • Operating temperature range: -40°C to 85°C
  • Protection features: Overvoltage protection, overcurrent protection, thermal regulation, short-circuit protection

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. VBUS: USB input voltage pin
  3. TS: Temperature sense pin
  4. STAT: Status indication pin
  5. ISET: Charging current setting pin
  6. EN: Enable pin
  7. PG: Power good indication pin
  8. TS/DPDM: Temperature sense or DPDM (Differential Pair Detection Method) pin
  9. SDA: I2C data pin
  10. SCL: I2C clock pin
  11. BAT: Battery voltage pin
  12. SYS: System voltage pin
  13. ILIM: Input current limit setting pin
  14. INT: Interrupt pin
  15. TS2: Second temperature sense pin
  16. TS1: First temperature sense pin
  17. SRN: Serial resistor network pin
  18. VOUT: Output voltage pin
  19. GND: Ground pin
  20. NC: No connection pin

Functional Features

  • Battery charging with high efficiency
  • Power path management for simultaneous charging and discharging
  • Dynamic power management for optimal power delivery
  • Integrated protection features for safe operation
  • I2C communication interface for configuration and monitoring

Advantages and Disadvantages

Advantages

  • High charging efficiency ensures faster battery charging times.
  • Power path management allows for uninterrupted device usage while charging.
  • Compact size enables integration into small electronic devices.
  • Integrated protection features safeguard against potential damage.
  • I2C interface provides flexibility in configuration and monitoring.

Disadvantages

  • Limited to specific applications requiring power management and battery charging functionality.
  • Requires additional components for complete system integration.
  • May have a learning curve for users unfamiliar with power management ICs.

Working Principles

The BQ25882YFFT operates by regulating the flow of power between the input source, battery, and the load (system). It employs a switching regulator to efficiently convert the input voltage to the desired output voltage for charging the battery. The power path management feature allows the device to simultaneously charge the battery and power the load, ensuring uninterrupted operation.

Detailed Application Field Plans

The BQ25882YFFT finds applications in various electronic devices, including: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - Portable gaming consoles

Detailed and Complete Alternative Models

  1. BQ25880YFFT
  2. BQ25881YFFT
  3. BQ25883YFFT
  4. BQ25884YFFT
  5. BQ25885YFFT

These alternative models offer similar functionality and features, providing options for different design requirements and specifications.

In conclusion, the BQ25882YFFT is a power management IC designed for efficient battery charging and power path management in electronic devices. Its compact size, high efficiency, and integrated protection features make it suitable for a wide range of applications.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ25882YFFT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ25882YFFT in technical solutions:

  1. Q: What is the BQ25882YFFT? A: The BQ25882YFFT is a highly integrated single-cell Li-Ion battery charger with Power Path Management for various portable applications.

  2. Q: What is Power Path Management? A: Power Path Management allows simultaneous charging of the battery and powering the system from a USB source, such as a wall adapter or power bank.

  3. Q: What is the input voltage range supported by the BQ25882YFFT? A: The BQ25882YFFT supports an input voltage range of 3.9V to 14V, making it compatible with various power sources.

  4. Q: Can the BQ25882YFFT charge multiple battery chemistries? A: No, the BQ25882YFFT is designed specifically for single-cell Li-Ion batteries and is not suitable for other chemistries like NiMH or lead-acid.

  5. Q: Does the BQ25882YFFT support fast charging? A: Yes, the BQ25882YFFT supports various fast charging protocols, including Qualcomm Quick Charge 2.0/3.0, Apple 2.4A, and USB BC1.2.

  6. Q: What is the maximum charging current supported by the BQ25882YFFT? A: The BQ25882YFFT can provide a maximum charging current of up to 3A, allowing for faster charging times.

  7. Q: Does the BQ25882YFFT have built-in thermal regulation? A: Yes, the BQ25882YFFT features thermal regulation to prevent overheating during charging and protect the battery.

  8. Q: Can the BQ25882YFFT operate in a low-power mode? A: Yes, the BQ25882YFFT has a low-power mode that reduces quiescent current consumption to maximize efficiency during standby or idle periods.

  9. Q: Does the BQ25882YFFT have any safety features? A: Yes, the BQ25882YFFT incorporates various safety features like overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe charging.

  10. Q: What are some typical applications for the BQ25882YFFT? A: The BQ25882YFFT is commonly used in smartphones, tablets, portable media players, Bluetooth speakers, and other portable electronic devices.

I hope these questions and answers provide you with a good understanding of the application of BQ25882YFFT in technical solutions!