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BQ24750RHDR
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BQ24750RHDR

Product Overview

Category

BQ24750RHDR belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is primarily used for battery charging and system power management in portable electronic devices.

Characteristics

  • Efficient and reliable battery charging
  • Flexible power management capabilities
  • Compact and space-saving package design
  • Wide input voltage range for compatibility with various power sources

Package

BQ24750RHDR is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of BQ24750RHDR lies in its ability to efficiently manage battery charging and power distribution within portable electronic devices.

Packaging/Quantity

This PMIC is typically packaged in reels, containing a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 2.5V to 25.2V
  • Charging Current Range: Up to 8A
  • Operating Temperature Range: -40°C to 85°C
  • Efficiency: Up to 95%

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. ACOK: AC adapter present indicator
  4. ACSEL: AC adapter selection control
  5. BAT: Battery voltage pin
  6. TS: Thermistor input for temperature monitoring
  7. PROCHOT: Processor hot signal output
  8. ISET: Charging current setting pin
  9. STAT: Status output pin
  10. SDA: I2C data pin
  11. SCL: I2C clock pin
  12. INT: Interrupt output pin

Functional Features

  • Dynamic Power Path Management
  • Input Current Limiting
  • Battery Charging Control
  • Thermal Regulation and Protection
  • System Power Monitoring
  • I2C Communication Interface

Advantages and Disadvantages

Advantages

  • Efficient battery charging and power management
  • Wide input voltage range for versatility
  • Compact package design for space-saving integration
  • Comprehensive thermal regulation and protection features
  • Flexible I2C communication interface for easy control and monitoring

Disadvantages

  • Limited charging current compared to some high-power devices
  • Relatively higher cost compared to simpler charging solutions

Working Principles

BQ24750RHDR operates by intelligently managing the power flow between the input source (AC adapter) and the battery, while also providing power to the system. It ensures efficient charging of the battery while protecting it from overcharging or overheating. The PMIC constantly monitors various parameters such as input voltage, battery voltage, and temperature to optimize the charging process and ensure safe operation.

Detailed Application Field Plans

BQ24750RHDR finds extensive application in a wide range of portable electronic devices, including but not limited to: - Laptops and notebooks - Tablets and smartphones - Portable gaming consoles - Portable medical devices - Portable audio/video players

Detailed and Complete Alternative Models

  1. BQ24751RHDT: Similar functionality with enhanced charging current capability.
  2. BQ24752RHDT: Similar functionality with additional USB Type-C support.
  3. BQ24753RHDT: Similar functionality with integrated fuel gauge for accurate battery capacity estimation.

These alternative models offer similar features and capabilities, catering to different requirements and specifications.

In conclusion, BQ24750RHDR is a versatile power management integrated circuit designed for efficient battery charging and power distribution in portable electronic devices. With its compact design, wide input voltage range, and comprehensive features, it provides an effective solution for managing power in various applications.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24750RHDR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24750RHDR in technical solutions:

  1. Question: What is the BQ24750RHDR?
    Answer: The BQ24750RHDR is a battery charger IC designed for use in portable devices, such as laptops, tablets, and smartphones.

  2. Question: What is the input voltage range supported by the BQ24750RHDR?
    Answer: The BQ24750RHDR supports an input voltage range of 4.5V to 24V.

  3. Question: What is the maximum charging current supported by the BQ24750RHDR?
    Answer: The BQ24750RHDR can support a maximum charging current of up to 8A.

  4. Question: Can the BQ24750RHDR charge multiple batteries simultaneously?
    Answer: Yes, the BQ24750RHDR has the capability to charge multiple batteries simultaneously.

  5. Question: Does the BQ24750RHDR have built-in protection features?
    Answer: Yes, the BQ24750RHDR includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Question: Can the BQ24750RHDR be used with different battery chemistries?
    Answer: Yes, the BQ24750RHDR is compatible with various battery chemistries, including lithium-ion (Li-ion) and lithium-polymer (LiPo).

  7. Question: Is the BQ24750RHDR programmable?
    Answer: Yes, the BQ24750RHDR can be programmed using an external I2C interface to customize charging parameters.

  8. Question: What is the efficiency of the BQ24750RHDR?
    Answer: The BQ24750RHDR has high efficiency, typically above 90%, which helps to minimize power loss during charging.

  9. Question: Can the BQ24750RHDR support fast charging?
    Answer: Yes, the BQ24750RHDR supports various fast charging protocols, such as Qualcomm Quick Charge and USB Power Delivery.

  10. Question: Are there any evaluation modules or reference designs available for the BQ24750RHDR?
    Answer: Yes, Texas Instruments provides evaluation modules and reference designs that can help in the development and testing of applications using the BQ24750RHDR.

Please note that these answers are general and may vary depending on specific application requirements and implementation details.