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BQ24091DGQT
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BQ24091DGQT

Product Overview

Category

The BQ24091DGQT belongs to the category of battery management and charging ICs.

Use

It is used for managing and charging single-cell Li-ion or Li-polymer batteries in a wide range of portable applications.

Characteristics

  • Input voltage range: 4.5V to 6.5V
  • Programmable charge current up to 1A
  • Integrated power FET and current sensor
  • Thermal regulation and protection
  • Small package size

Package

The BQ24091DGQT comes in a small 10-pin VSON package.

Essence

This IC is essential for efficient and safe charging of single-cell Li-ion or Li-polymer batteries in portable devices.

Packaging/Quantity

The BQ24091DGQT is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 6.5V
  • Charge Voltage: 4.2V
  • Charge Current: Up to 1A
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: 10-pin VSON

Detailed Pin Configuration

  1. EN (Enable)
  2. STAT (Status Output)
  3. TS (Thermal Sense Input)
  4. PROG (Charge Current Programming Input)
  5. PG (Power Good Output)
  6. GND (Ground)
  7. BAT (Battery Connection)
  8. SYS (System Connection)
  9. ILIM (Input Current Limit Programming Input)
  10. IN (Input Voltage)

Functional Features

  • Integrated power FET and current sensor
  • Automatic power source selection between USB and AC adapter
  • Thermal regulation and protection
  • Power good output for system control
  • Programmable charge current

Advantages and Disadvantages

Advantages

  • Small package size
  • Integrated power FET and current sensor reduce external component count
  • Wide input voltage range allows for flexibility in power sources

Disadvantages

  • Limited to single-cell battery management
  • Maximum charge current limited to 1A

Working Principles

The BQ24091DGQT manages the charging process of single-cell Li-ion or Li-polymer batteries by regulating the charge current and voltage. It also provides thermal regulation and protection to ensure safe and efficient charging.

Detailed Application Field Plans

The BQ24091DGQT is widely used in portable electronic devices such as smartphones, tablets, portable media players, and handheld gaming consoles. Its compact size and integrated features make it suitable for space-constrained applications.

Detailed and Complete Alternative Models

Some alternative models to the BQ24091DGQT include: - BQ24092DGQR - BQ24092RGTR - BQ24092DRCR - BQ24092DRCRG4

These alternatives offer similar functionality and may be suitable replacements depending on specific application requirements.

This content provides a comprehensive overview of the BQ24091DGQT, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24091DGQT v technických řešeních

Sure, here are 10 common questions and answers related to the application of BQ24091DGQT:

  1. Question: What is the input voltage range for BQ24091DGQT?
    Answer: The input voltage range for BQ24091DGQT is 4.35V to 6.5V.

  2. Question: What is the maximum charge current supported by BQ24091DGQT?
    Answer: BQ24091DGQT supports a maximum charge current of 1A.

  3. Question: Can BQ24091DGQT be used for charging single-cell Li-Ion or Li-Polymer batteries?
    Answer: Yes, BQ24091DGQT is designed for charging single-cell Li-Ion or Li-Polymer batteries.

  4. Question: What is the thermal regulation feature in BQ24091DGQT?
    Answer: BQ24091DGQT includes thermal regulation to limit the die temperature during high power operation or high ambient temperature conditions.

  5. Question: Does BQ24091DGQT have an integrated USB detection feature?
    Answer: Yes, BQ24091DGQT has an integrated USB detection feature to identify the presence of a USB port.

  6. Question: What is the battery detection feature in BQ24091DGQT?
    Answer: BQ24091DGQT includes a battery detection feature to identify the presence of a battery.

  7. Question: Can BQ24091DGQT operate in a trickle charge mode?
    Answer: Yes, BQ24091DGQT can operate in a trickle charge mode to maintain the battery at full capacity.

  8. Question: What is the status indication feature in BQ24091DGQT?
    Answer: BQ24091DGQT provides status indication through LED outputs to indicate charging, charged, and fault conditions.

  9. Question: Is BQ24091DGQT suitable for portable and handheld devices?
    Answer: Yes, BQ24091DGQT is suitable for portable and handheld devices due to its compact size and low power consumption.

  10. Question: What are the typical applications of BQ24091DGQT?
    Answer: Typical applications of BQ24091DGQT include smartphones, tablets, portable media players, and other handheld devices requiring battery charging solutions.