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BQ24156YFFR
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BQ24156YFFR

Product Overview

Category

BQ24156YFFR belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

  • High efficiency: BQ24156YFFR incorporates advanced charging algorithms and power management techniques to maximize charging efficiency.
  • Fast charging: The IC supports fast charging protocols, enabling rapid charging of compatible devices.
  • Compact package: It is available in a small form factor package, making it suitable for space-constrained designs.
  • Integrated protection features: BQ24156YFFR includes various safety mechanisms to prevent overcharging, overvoltage, and overcurrent conditions, ensuring safe and reliable charging.

Package

BQ24156YFFR is offered in a small footprint 20-pin QFN (Quad Flat No-leads) package, which facilitates easy integration into circuit boards.

Essence

The essence of BQ24156YFFR lies in its ability to provide efficient and reliable charging solutions for lithium-ion batteries in portable electronic devices.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Input voltage range: 4.35V - 6.45V
  • Charging current range: Up to 3A
  • Programmable charging parameters
  • Support for USB On-The-Go (OTG) functionality
  • Thermal regulation and protection
  • Battery temperature monitoring
  • Status indication through LED outputs

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. VBUS: USB input voltage pin
  3. GND: Ground reference pin
  4. TS: Battery temperature sense pin
  5. STAT: Charging status indication pin
  6. EN: Enable control pin
  7. ISET: Charging current setting pin
  8. PROG: Programming pin for charging parameters
  9. ILIM: Input current limit setting pin
  10. PGND: Power ground reference pin
  11. TS/NTC: Battery temperature sense or NTC thermistor input pin
  12. VBAT: Battery voltage output pin
  13. SDA: I2C data pin
  14. SCL: I2C clock pin
  15. INT: Interrupt output pin
  16. D+/D-: USB data pins
  17. SRN/SRP: USB secondary detection pins
  18. VBUS_STAT: USB input voltage status pin
  19. AC/DPDM: USB attachment and detection pin
  20. VOUT: Output voltage pin

Functional Features

  1. Advanced charging algorithms: BQ24156YFFR incorporates intelligent charging algorithms to optimize the charging process based on battery characteristics.
  2. USB On-The-Go (OTG) support: The IC enables devices to act as a host or peripheral, expanding their functionality.
  3. Thermal regulation and protection: BQ24156YFFR includes thermal regulation mechanisms to prevent overheating during charging, ensuring safe operation.
  4. Battery temperature monitoring: The IC monitors the battery temperature to prevent charging under extreme conditions, enhancing safety.
  5. Status indication: Charging status is indicated through dedicated pins, allowing easy integration with external indicators.

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Fast charging capability
  • Compact package size
  • Integrated protection features
  • Support for USB OTG functionality

Disadvantages

  • Limited input voltage range
  • Requires external components for complete charging circuit implementation

Working Principles

BQ24156YFFR operates by regulating the charging current and voltage supplied to the lithium-ion battery. It utilizes a combination of voltage and current sensing techniques to accurately control the charging process. The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly to ensure safe and efficient charging.

Detailed Application Field Plans

BQ24156YFFR finds extensive application in various portable electronic devices, including smartphones, tablets, smartwatches, and wireless earphones. Its compact size, high efficiency, and fast charging capabilities make it an ideal choice for manufacturers aiming to provide reliable and rapid charging solutions to their customers.

Detailed and Complete Alternative Models

  1. BQ24150YFFR
  2. BQ24151YFFR
  3. BQ24152YFFR
  4. BQ24153YFFR
  5. BQ24154YFFR

These alternative models offer similar functionality and characteristics to BQ24156YFFR, providing options for different design requirements and specifications.

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Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu BQ24156YFFR u tehničkim rješenjima

Sure! Here are 10 common questions and answers related to the application of BQ24156YFFR in technical solutions:

  1. Q: What is the BQ24156YFFR? A: The BQ24156YFFR is a highly integrated single-cell Li-Ion battery charger with power path management for portable applications.

  2. Q: What is the input voltage range supported by the BQ24156YFFR? A: The BQ24156YFFR supports an input voltage range from 3.9V to 6.2V.

  3. Q: Can the BQ24156YFFR charge multiple battery chemistries? A: No, the BQ24156YFFR is specifically designed for charging single-cell Li-Ion batteries.

  4. Q: What is power path management? A: Power path management allows simultaneous charging of the battery and powering the system from a USB port or adapter.

  5. Q: Does the BQ24156YFFR support fast charging? A: Yes, the BQ24156YFFR supports various fast charging protocols like USB BC1.2, Apple, and Chinese telecommunications standards.

  6. Q: What is the maximum charging current supported by the BQ24156YFFR? A: The BQ24156YFFR can provide a maximum charging current of up to 2A.

  7. Q: Does the BQ24156YFFR have overvoltage protection? A: Yes, the BQ24156YFFR has built-in overvoltage protection to prevent damage to the battery during charging.

  8. Q: Can the BQ24156YFFR operate in a wide temperature range? A: Yes, the BQ24156YFFR is designed to operate in a temperature range from -40°C to 85°C.

  9. Q: Does the BQ24156YFFR have thermal regulation? A: Yes, the BQ24156YFFR has built-in thermal regulation to prevent overheating during charging.

  10. Q: What are the typical applications of the BQ24156YFFR? A: The BQ24156YFFR is commonly used in portable devices such as smartphones, tablets, portable media players, and other battery-powered systems.

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