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BQ24080DRCT
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BQ24080DRCT

Product Overview

Category

BQ24080DRCT 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 lithium-ion batteries.

Characteristics

  • High charging efficiency
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Overvoltage protection
  • Thermal regulation

Package

BQ24080DRCT is available in a small outline package (SOP) with 10 pins. The package provides good thermal performance and ease of integration into various electronic designs.

Essence

The essence of BQ24080DRCT lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Charging Current: Up to 1.5A
  • Charge Termination Voltage: 4.2V ± 1%
  • Precharge Current: 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Standby Current: < 50µA

Pin Configuration

  1. VBUS: Input voltage from USB or AC adapter
  2. PG: Power good output indicating charging status
  3. STAT: Status output indicating charging state
  4. TS: Thermistor input for temperature monitoring
  5. PROG: Programming pin for setting charging current
  6. EN: Enable pin for turning on/off the charger
  7. GND: Ground reference
  8. BAT: Battery connection terminal
  9. ISET: Current sense resistor connection
  10. SYS: System voltage output

Functional Features

  • Constant current and constant voltage charging
  • Thermal regulation to prevent overheating
  • Charge termination based on battery voltage and temperature
  • Automatic recharge initiation after battery discharge
  • Overvoltage protection for safe charging
  • LED indication of charging status

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times
  • Compact size allows for integration into space-constrained designs
  • Wide input voltage range enables compatibility with various power sources
  • Overvoltage protection ensures safe charging
  • Thermal regulation prevents overheating, enhancing battery lifespan

Disadvantages

  • Limited charging current compared to some other models
  • Lack of advanced features like wireless charging or USB Type-C support

Working Principles

BQ24080DRCT operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion batteries. It employs a constant current charging mode until the battery voltage reaches the charge termination voltage. At this point, it switches to constant voltage mode to complete the charging process. The charger continuously monitors the battery voltage and temperature to prevent overcharging and overheating.

Detailed Application Field Plans

BQ24080DRCT finds extensive application in various portable electronic devices, including smartphones, tablets, smartwatches, Bluetooth headsets, and other wearable devices. It is also suitable for use in power banks and other battery-powered systems.

Detailed and Complete Alternative Models

  1. BQ24075RGTR: Similar functionality with a lower charging current capability.
  2. BQ24090DGQR: Higher charging current capability with additional features like thermal shutdown and battery temperature monitoring.
  3. MCP73831T-2ACI/OT: Alternative IC with similar specifications and package type.

In conclusion, BQ24080DRCT is a highly reliable and efficient integrated circuit designed for charging lithium-ion batteries in portable electronic devices. Its compact size, wide input voltage range, and advanced features make it an ideal choice for various applications. However, it may not be suitable for high-power devices or those requiring advanced charging capabilities.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BQ24080DRCT dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of BQ24080DRCT:

  1. Q: What is the BQ24080DRCT? A: The BQ24080DRCT is a highly integrated battery charger IC designed for single-cell Li-Ion or Li-Polymer batteries.

  2. Q: What is the input voltage range supported by the BQ24080DRCT? A: The BQ24080DRCT supports an input voltage range of 4.35V to 6.45V.

  3. Q: What is the maximum charging current provided by the BQ24080DRCT? A: The BQ24080DRCT can provide a maximum charging current of 1.5A.

  4. Q: Can the BQ24080DRCT charge multiple batteries simultaneously? A: No, the BQ24080DRCT is designed to charge a single-cell battery at a time.

  5. Q: Does the BQ24080DRCT have overvoltage protection? A: Yes, the BQ24080DRCT has built-in overvoltage protection to prevent damage to the battery.

  6. Q: Is the BQ24080DRCT compatible with both Li-Ion and Li-Polymer batteries? A: Yes, the BQ24080DRCT is compatible with both Li-Ion and Li-Polymer batteries.

  7. Q: Can the BQ24080DRCT be used in portable devices? A: Yes, the BQ24080DRCT is commonly used in portable devices such as smartphones, tablets, and wearable devices.

  8. Q: Does the BQ24080DRCT support fast charging? A: Yes, the BQ24080DRCT supports fast charging with its high charging current capability.

  9. Q: What is the thermal regulation feature of the BQ24080DRCT? A: The BQ24080DRCT has a built-in thermal regulation feature that reduces the charging current to prevent overheating.

  10. Q: Can the BQ24080DRCT be used in automotive applications? A: No, the BQ24080DRCT is not specifically designed for automotive applications and may not meet the required standards.

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 the manufacturer for detailed information.