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BQ24270RGET
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BQ24270RGET

Product Overview

Category

BQ24270RGET 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

BQ24270RGET is available in a small 24-pin QFN package, which ensures easy integration into various electronic devices.

Essence

The essence of BQ24270RGET lies in its ability to provide efficient and reliable charging solutions for portable electronic devices, enhancing their overall performance and user experience.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Charging Voltage Range: 3.5V - 4.44V
  • Charging Current Range: 0.128A - 2.128A
  • Operating Temperature Range: -40°C to +85°C
  • Integrated Safety Features: Overvoltage Protection, Overcurrent Protection, Thermal Shutdown

Detailed Pin Configuration

  1. VBUS: Input voltage pin
  2. GND: Ground pin
  3. TS: Thermistor input pin
  4. STAT: Status output pin
  5. ISET: Charging current setting pin
  6. CE: Charge enable pin
  7. SDA: I2C data pin
  8. SCL: I2C clock pin
  9. INT: Interrupt output pin
  10. BAT: Battery voltage sense pin
  11. SRN: System reset input pin
  12. TS/NTC: Thermistor input or NTC temperature sense pin
  13. VDD: Power supply pin
  14. PGND: Power ground pin
  15. STAT1: Status output pin
  16. STAT2: Status output pin
  17. STAT3: Status output pin
  18. STAT4: Status output pin
  19. STAT5: Status output pin
  20. STAT6: Status output pin
  21. STAT7: Status output pin
  22. STAT8: Status output pin
  23. STAT9: Status output pin
  24. STAT10: Status output pin

Functional Features

  • Integrated battery charging controller
  • Dynamic power management
  • I2C interface for configuration and monitoring
  • Battery temperature monitoring
  • Charging status indication through status pins
  • Fault detection and protection mechanisms

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to reduced charging time
  • Fast charging capability allows for quick battery top-ups
  • Compact size enables easy integration into small electronic devices
  • Low power consumption helps conserve energy
  • Wide input voltage range ensures compatibility with various power sources
  • Overvoltage and overcurrent protection safeguards the device and battery

Disadvantages

  • Limited availability of alternative models from different manufacturers
  • Relatively higher cost compared to some other charging ICs in the market

Working Principles

BQ24270RGET operates by regulating the charging current and voltage supplied to the battery. It utilizes a combination of power management techniques, such as pulse width modulation (PWM) and constant current/constant voltage (CC/CV) charging algorithms, to optimize the charging process. The integrated safety features protect against potential hazards like overvoltage, overcurrent, and excessive temperature.

Detailed Application Field Plans

BQ24270RGET finds extensive application in various portable electronic devices, including smartphones, tablets, smartwatches, fitness trackers, and wireless earphones. Its efficient charging capabilities make it suitable for devices that require frequent battery recharging.

Detailed and Complete Alternative Models

While BQ24270RGET is a popular choice for battery charging applications, there are alternative models available from different manufacturers that offer similar functionalities. Some notable alternatives include:

  1. MCP73871-2CCI/MLI: Microchip Technology Inc.
  2. MAX1555EZK+T: Maxim Integrated
  3. LTC4054LES5-4.2#TRMPBF: Analog Devices Inc.
  4. TPS2513EVM-001: Texas Instruments
  5. ISL9238EVAL1Z: Renesas Electronics Corporation

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

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24270RGET i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24270RGET in technical solutions:

  1. Q: What is the BQ24270RGET? A: The BQ24270RGET is a highly integrated single-cell Li-Ion battery charger and system power path management device.

  2. Q: What is the input voltage range for the BQ24270RGET? A: The input voltage range is from 3.9V to 6.45V.

  3. Q: Can the BQ24270RGET charge multiple batteries simultaneously? A: No, it can only charge a single-cell Li-Ion battery at a time.

  4. Q: What is the maximum charging current supported by the BQ24270RGET? A: The maximum charging current is programmable up to 2A.

  5. Q: Does the BQ24270RGET support USB On-The-Go (OTG) functionality? A: Yes, it supports USB OTG functionality, allowing the device to act as a power source for other devices.

  6. Q: Is the BQ24270RGET compatible with fast charging protocols like Qualcomm Quick Charge? A: No, it does not support fast charging protocols like Qualcomm Quick Charge.

  7. Q: Can the BQ24270RGET operate while charging the battery? A: Yes, it has a system power path management feature that allows simultaneous operation and charging.

  8. Q: What is the purpose of the thermal regulation feature in the BQ24270RGET? A: The thermal regulation feature helps prevent overheating by reducing the charging current if the temperature exceeds a certain threshold.

  9. Q: Does the BQ24270RGET have built-in protection features for the battery? A: Yes, it includes various protection features such as overvoltage protection, overcurrent protection, and short-circuit protection.

  10. Q: Can the BQ24270RGET be used in portable electronic devices like smartphones or tablets? A: Yes, it is commonly used in portable electronic devices that require single-cell Li-Ion battery charging and power management.

Please note that these answers are general and may vary depending on the specific implementation and configuration of the BQ24270RGET in a technical solution.