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BQ24071RHLT
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BQ24071RHLT - English Editing Encyclopedia Entry

Product Overview

Category

BQ24071RHLT belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging single-cell lithium-ion or lithium-polymer batteries in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

  • Integrated circuit for battery charging
  • Designed for single-cell lithium-ion or lithium-polymer batteries
  • Suitable for portable electronic devices
  • Compact and lightweight package
  • High efficiency charging
  • Advanced safety features

Package and Quantity

The BQ24071RHLT is available in a small outline transistor (SOT) package. It is typically sold in reels containing a specified quantity of units, commonly 2500 pieces per reel.

Specifications

  • Input Voltage Range: 4.35V to 6.45V
  • Charge Voltage Range: 3.5V to 4.44V
  • Maximum Charge Current: 1.5A
  • Pre-Charge Current: 100mA
  • Termination Current: 10% of the programmed charge current
  • Battery Regulation Voltage: 4.2V
  • Thermal Regulation: 110°C
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BQ24071RHLT has the following pin configuration:

  1. EN/STAT: Enable/Input Status
  2. PG: Power Good Output
  3. TS: Thermistor Input
  4. VSS: Ground
  5. VBAT: Battery Input
  6. VBUS: USB Input
  7. SRN: Sense Resistor Negative Terminal
  8. SRP: Sense Resistor Positive Terminal

Functional Features

  • Integrated power FETs for charging control
  • Automatic detection of USB or adapter power source
  • Programmable charge current and termination current
  • Thermal regulation for temperature protection
  • Power good output for system status indication
  • Reverse blocking protection

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Compact and lightweight design
  • Advanced safety features ensure battery protection
  • Flexible programming options for charge current
  • Suitable for various portable electronic devices

Disadvantages

  • Limited to single-cell lithium-ion or lithium-polymer batteries
  • Not suitable for multi-cell battery charging applications

Working Principles

The BQ24071RHLT operates by detecting the input power source (USB or adapter) and automatically selecting the appropriate charging mode. It regulates the charging current and terminates the charging process when the battery reaches the programmed voltage level. The integrated thermal regulation protects the device from overheating.

Application Field Plans

The BQ24071RHLT is widely used in the following application fields:

  1. Smartphones
  2. Tablets
  3. Wearable devices
  4. Portable medical devices
  5. Portable audio/video players

Alternative Models

For users seeking alternative models, the following options are available:

  1. BQ24072RHLT
  2. BQ24073RHLT
  3. BQ24074RHLT
  4. BQ24075RHLT

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific requirements.

In conclusion, the BQ24071RHLT is a highly efficient integrated circuit designed for charging single-cell lithium-ion or lithium-polymer batteries in portable electronic devices. With its compact package, advanced safety features, and flexible programming options, it is an ideal choice for various applications in the consumer electronics industry.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng BQ24071RHLT sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of BQ24071RHLT in technical solutions:

  1. Question: What is the BQ24071RHLT?
    Answer: The BQ24071RHLT is a highly integrated single-cell Li-Ion battery charger IC with power path management.

  2. Question: What is power path management?
    Answer: Power path management allows simultaneous charging of the battery and powering the system from a USB port or an adapter.

  3. Question: What is the input voltage range supported by the BQ24071RHLT?
    Answer: The BQ24071RHLT supports an input voltage range of 4.35V to 6.45V.

  4. Question: What is the maximum charge current supported by the BQ24071RHLT?
    Answer: The BQ24071RHLT supports a maximum charge current of 1.5A.

  5. Question: Can the BQ24071RHLT charge multiple battery chemistries?
    Answer: No, the BQ24071RHLT is specifically designed for single-cell Li-Ion batteries.

  6. Question: Does the BQ24071RHLT have overvoltage protection?
    Answer: Yes, the BQ24071RHLT has built-in overvoltage protection to prevent damage to the battery.

  7. Question: Can the BQ24071RHLT operate in low-power mode?
    Answer: Yes, the BQ24071RHLT has a low-power mode that reduces the quiescent current to maximize efficiency.

  8. Question: Is the BQ24071RHLT compatible with fast charging standards like Qualcomm Quick Charge?
    Answer: No, the BQ24071RHLT does not support fast charging standards.

  9. Question: Can the BQ24071RHLT be used in portable devices?
    Answer: Yes, the BQ24071RHLT is suitable for use in portable devices like smartphones, tablets, and wearables.

  10. Question: Does the BQ24071RHLT have thermal protection?
    Answer: Yes, the BQ24071RHLT has built-in thermal protection to prevent overheating during charging.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ24071RHLT. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.