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BQ24052DSQT
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BQ24052DSQT

Product Overview

Category

The BQ24052DSQT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for managing power in portable electronic devices such as smartphones, tablets, and other battery-powered devices.

Characteristics

  • The BQ24052DSQT is a highly efficient power management IC that enables fast charging and accurate battery monitoring.
  • It offers various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.
  • This IC supports multiple charging modes, including constant current and constant voltage modes.
  • It is designed to optimize charging efficiency and extend battery life.

Package

The BQ24052DSQT comes in a small 10-pin SON (Small Outline No-Lead) package. This package type ensures easy integration into compact electronic devices.

Essence

The essence of the BQ24052DSQT lies in its ability to efficiently manage power and provide reliable charging solutions for portable electronic devices.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Output Voltage Range: 3.5V - 4.44V
  • Charging Current Range: 100mA - 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Battery Voltage Monitoring Accuracy: ±20mV

Detailed Pin Configuration

The BQ24052DSQT has the following pin configuration:

  1. EN (Enable): Enable input pin for controlling the charging process.
  2. STAT (Status): Output pin indicating the charging status.
  3. PG (Power Good): Output pin indicating the presence of a valid input voltage.
  4. TS (Thermal Shutdown): Input pin for thermal shutdown protection.
  5. VBUS (Voltage Bus): Input pin for the power source.
  6. SYS (System): Output pin for supplying power to the system.
  7. BAT (Battery): Input pin for connecting the battery.
  8. ISET (Current Set): Input pin for setting the charging current.
  9. SRN (Sense Resistor Negative): Negative terminal of the sense resistor.
  10. SRP (Sense Resistor Positive): Positive terminal of the sense resistor.

Functional Features

  • Fast charging capability with adjustable charging current.
  • Automatic detection and selection of USB or AC adapter as the power source.
  • Integrated thermal regulation for preventing overheating.
  • Battery temperature monitoring for enhanced safety.
  • Charging status indication through the STAT pin.
  • Power good indication through the PG pin.

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to reduced charging time.
  • Multiple protection features ensure safe charging.
  • Compact package size allows for easy integration into small devices.
  • Wide operating temperature range enables usage in various environments.

Disadvantages

  • Limited output voltage range may not be suitable for all device requirements.
  • Requires an external sense resistor for accurate current sensing.

Working Principles

The BQ24052DSQT operates by regulating the charging current and voltage supplied to the battery. It uses a combination of constant current and constant voltage charging modes to optimize the charging process. The IC continuously monitors the battery voltage and adjusts the charging parameters accordingly. It also incorporates various protection mechanisms to prevent overcharging, overcurrent, and overheating.

Detailed Application Field Plans

The BQ24052DSQT is widely used in portable electronic devices that require efficient and reliable power management. Some common application fields include:

  1. Smartphones
  2. Tablets
  3. Portable media players
  4. Wearable devices
  5. Bluetooth headsets

Detailed and Complete Alternative Models

  1. BQ24055DSQT: Similar power management IC with additional features like USB OTG support.
  2. BQ24070RHLR: Power management IC with higher charging current capability.
  3. BQ24075RGTT: Power management IC with integrated USB switch functionality.

These alternative models offer similar functionalities to the BQ24052DSQT and can be considered as suitable replacements based on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24052DSQT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24052DSQT in technical solutions:

  1. Question: What is the BQ24052DSQT?
    Answer: The BQ24052DSQT is a highly integrated single-cell Li-Ion battery charger and system power path management device.

  2. Question: What is the input voltage range for the BQ24052DSQT?
    Answer: The input voltage range is from 4.35V to 6.45V.

  3. Question: What is the maximum charging current supported by the BQ24052DSQT?
    Answer: The BQ24052DSQT supports a maximum charging current of 1.5A.

  4. Question: Can the BQ24052DSQT charge other types of batteries besides Li-Ion?
    Answer: No, the BQ24052DSQT is specifically designed for single-cell Li-Ion batteries.

  5. Question: Does the BQ24052DSQT have overvoltage protection?
    Answer: Yes, the BQ24052DSQT has built-in overvoltage protection to prevent damage to the battery.

  6. Question: Can the BQ24052DSQT operate while charging the battery?
    Answer: Yes, the BQ24052DSQT supports simultaneous charging and system operation.

  7. Question: What is the purpose of the system power path management feature?
    Answer: The system power path management feature allows the device to power the system directly from the input source, even if the battery is not present or is deeply discharged.

  8. Question: Does the BQ24052DSQT have thermal regulation?
    Answer: Yes, the BQ24052DSQT has built-in thermal regulation to prevent overheating during charging.

  9. Question: Can the BQ24052DSQT be used in portable devices?
    Answer: Yes, the BQ24052DSQT is suitable for use in various portable devices such as smartphones, tablets, and wearable devices.

  10. Question: What is the package type of the BQ24052DSQT?
    Answer: The BQ24052DSQT is available in a small 10-pin WSON package, which is compact and space-saving.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.