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BQ24740RHDR
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BQ24740RHDR

Product Overview

Category

The BQ24740RHDR 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

The BQ24740RHDR is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the BQ24740RHDR lies in its ability to efficiently manage battery charging and power distribution within portable electronic devices, ensuring optimal performance and extended battery life.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 3.6V to 24V
  • Output Voltage Range: 2.5V to 25.2V
  • Charging Current Range: Up to 8A
  • Operating Temperature Range: -40°C to 85°C
  • Control Interface: I2C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SDA: I2C data pin
  4. SCL: I2C clock pin
  5. TS: Thermistor input pin for temperature monitoring
  6. BAT: Battery voltage sense pin
  7. ACOK: AC adapter presence detection pin
  8. PGOOD: Power good output pin
  9. STAT: Status output pin
  10. EN: Enable pin for device control
  11. ILIM: Current limit setting pin
  12. SRN: Soft recovery node pin
  13. VREF: Reference voltage output pin
  14. VSS: Ground pin
  15. VDD: Power supply pin

Functional Features

  • Battery charging with dynamic power management
  • Input current and voltage regulation
  • Thermal regulation for safe operation
  • System power distribution control
  • Fault protection and diagnostics

Advantages and Disadvantages

Advantages

  • Efficient battery charging and power management
  • Wide input voltage range for versatility
  • Compact package design for space-constrained applications
  • Comprehensive fault protection and diagnostics

Disadvantages

  • Limited charging current compared to some high-power devices
  • Requires I2C interface for full functionality

Working Principles

The BQ24740RHDR operates by regulating the input voltage and current, controlling the charging process, and managing power distribution within the system. It utilizes an I2C interface for communication and offers various protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The BQ24740RHDR is widely used in portable electronic devices such as smartphones, tablets, laptops, and handheld gaming consoles. Its efficient battery charging and power management capabilities make it suitable for applications where extended battery life and optimal performance are crucial.

Detailed and Complete Alternative Models

  1. BQ24742RHDT: Similar functionality with enhanced charging current capability.
  2. BQ24745RHDT: Higher charging current and additional features like USB Type-C support.
  3. BQ24747RHDT: Advanced power management features and increased charging current capacity.

These alternative models offer similar functionality to the BQ24740RHDR but may have additional features or higher specifications depending on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24740RHDR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24740RHDR in technical solutions:

  1. Question: What is the BQ24740RHDR?
    - Answer: The BQ24740RHDR 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 BQ24740RHDR?
    - Answer: The BQ24740RHDR supports an input voltage range of 4.5V to 24V.

  3. Question: What is the maximum charging current provided by the BQ24740RHDR?
    - Answer: The BQ24740RHDR can provide a maximum charging current of up to 8A.

  4. Question: Can the BQ24740RHDR charge multiple batteries simultaneously?
    - Answer: Yes, the BQ24740RHDR has the capability to charge multiple batteries simultaneously.

  5. Question: Does the BQ24740RHDR support fast charging?
    - Answer: Yes, the BQ24740RHDR supports various fast charging protocols, such as USB Power Delivery (USB PD) and Qualcomm Quick Charge.

  6. Question: What safety features does the BQ24740RHDR offer?
    - Answer: The BQ24740RHDR includes several safety features, including overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Question: Can the BQ24740RHDR be used in automotive applications?
    - Answer: Yes, the BQ24740RHDR is suitable for automotive applications, as it can operate within a wide temperature range (-40°C to +125°C).

  8. Question: Is the BQ24740RHDR compatible with different battery chemistries?
    - Answer: Yes, the BQ24740RHDR is compatible with various battery chemistries, such as lithium-ion (Li-ion) and lithium-polymer (LiPo).

  9. Question: Does the BQ24740RHDR support power path management?
    - Answer: Yes, the BQ24740RHDR includes power path management functionality, allowing the system to operate directly from the adapter or battery.

  10. Question: Are there any evaluation modules or reference designs available for the BQ24740RHDR?
    - Answer: Yes, Texas Instruments provides evaluation modules and reference designs that can help in the development and testing of applications using the BQ24740RHDR.

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