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BQ24261RGET
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BQ24261RGET

Product Overview

Category

BQ24261RGET belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices to efficiently charge their batteries.

Characteristics

  • High charging efficiency
  • Fast charging capability
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Overvoltage and overcurrent protection

Package

BQ24261RGET is available in a small 24-pin QFN package, which ensures easy integration into various electronic devices.

Essence

The essence of BQ24261RGET lies in its ability to provide efficient and reliable charging solutions for portable electronic devices, ensuring optimal battery performance and user convenience.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Charging Voltage Range: 3.5V - 4.44V
  • Maximum Charging Current: 2A
  • Operating Temperature Range: -40°C to +85°C
  • Standby Current: < 100µA

Detailed Pin Configuration

  1. VBUS: Input voltage from USB port
  2. PGND: Power ground
  3. TS: Thermistor input for temperature monitoring
  4. STAT: Status output pin
  5. ISET: Charging current setting pin
  6. CE: Charger enable control input
  7. PROG: Programming resistor connection
  8. BAT: Battery voltage sense input
  9. SRN: System reset output
  10. SDA: I2C data line
  11. SCL: I2C clock line
  12. INT: Interrupt output
  13. TS/NTC: Thermistor input for temperature monitoring
  14. VDD: Power supply voltage
  15. VSS: Ground
  16. VOUT: Output voltage to the battery
  17. ISET: Charging current setting pin
  18. PGND: Power ground
  19. VBUS: Input voltage from USB port
  20. STAT: Status output pin
  21. CE: Charger enable control input
  22. PROG: Programming resistor connection
  23. BAT: Battery voltage sense input
  24. SRN: System reset output

Functional Features

  • Integrated power FETs for efficient charging
  • Dynamic power path management for simultaneous charging and discharging
  • Thermal regulation for safe operation
  • Programmable charging parameters through I2C interface
  • Fault protection features for enhanced safety

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times
  • Compact size allows for easy integration into various devices
  • Wide input voltage range ensures compatibility with different power sources
  • Overvoltage and overcurrent protection safeguards the device and battery

Disadvantages

  • Limited availability of alternative models from other manufacturers
  • Relatively higher cost compared to some competing products

Working Principles

BQ24261RGET operates by regulating the charging process based on the input voltage, battery voltage, and temperature. It utilizes integrated power FETs to efficiently transfer power from the input source to the battery. The dynamic power path management feature enables simultaneous charging and discharging, allowing the device to operate even when the battery is being charged.

Detailed Application Field Plans

BQ24261RGET finds extensive application in a wide range of portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth headphones - GPS devices

Detailed and Complete Alternative Models

While BQ24261RGET is a highly reliable and widely used charging IC, there are alternative models available from other manufacturers that offer similar functionality. Some notable alternatives include: - MCP73871 by Microchip Technology - MAX1555 by Maxim Integrated - LTC4054 by Linear Technology

These alternative models can be considered based on specific requirements and availability.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem BQ24261RGET w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of BQ24261RGET in technical solutions:

  1. Q: What is the BQ24261RGET? A: The BQ24261RGET is a highly integrated single-cell Li-Ion battery charger with power path management for 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 port or an adapter.

  3. Q: What is the input voltage range of the BQ24261RGET? A: The input voltage range is from 4.35V to 6.45V, making it compatible with various power sources.

  4. Q: Can the BQ24261RGET charge multiple battery chemistries? A: No, the BQ24261RGET is designed specifically for single-cell Li-Ion batteries.

  5. Q: What is the maximum charging current supported by the BQ24261RGET? A: The BQ24261RGET supports a maximum charging current of 2A.

  6. Q: Does the BQ24261RGET have overvoltage protection? A: Yes, the BQ24261RGET has built-in overvoltage protection to prevent damage to the battery during charging.

  7. Q: Can the BQ24261RGET operate in a low-power mode? A: Yes, the BQ24261RGET has a low-power mode that reduces quiescent current to maximize efficiency.

  8. Q: Is the BQ24261RGET compatible with fast charging protocols like Qualcomm Quick Charge? A: No, the BQ24261RGET does not support fast charging protocols. It is a standard charger for single-cell Li-Ion batteries.

  9. Q: Does the BQ24261RGET have thermal regulation? A: Yes, the BQ24261RGET has built-in thermal regulation to prevent overheating during charging.

  10. Q: Can the BQ24261RGET be used in portable devices like smartphones and tablets? A: Yes, the BQ24261RGET is commonly used in portable devices that require single-cell Li-Ion battery charging and power path management.

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