Texas Instruments
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BQ24232HRGTR
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BQ24232HRGTR

Product Overview

Category

BQ24232HRGTR 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 their batteries.

Characteristics

  • High efficiency: The BQ24232HRGTR offers high charging efficiency, ensuring faster charging times.
  • Compact package: It comes in a small form factor package, making it suitable for space-constrained designs.
  • Advanced protection features: The IC incorporates various protection mechanisms to safeguard the battery and the charging circuitry against overvoltage, overcurrent, and overheating.
  • Programmable charging parameters: Users can configure the charging current and voltage limits according to their specific requirements.

Package and Quantity

The BQ24232HRGTR is available in a 20-pin VQFN (Very Thin Quad Flat No-Lead) package. It is typically sold in reels containing a quantity of 250 units.

Specifications

  • Input voltage range: 4.35V - 6.45V
  • Charging voltage range: 3.5V - 4.44V
  • Charging current range: 0.128A - 2.048A
  • Operating temperature range: -40°C to +85°C
  • Standby current: <1µA

Pin Configuration

The BQ24232HRGTR has a total of 20 pins. Here is a detailed pin configuration:

  1. VIN: Input voltage pin
  2. PGND: Power ground pin
  3. STAT: Status output pin
  4. ISET: Charging current setting pin
  5. TS: Temperature sense input pin
  6. VSSOP: Negative terminal of the battery
  7. VDDOP: Positive terminal of the battery
  8. VDD: Power supply pin
  9. SDA: I2C data input/output pin
  10. SCL: I2C clock input pin
  11. EN/UVLO: Enable/Undervoltage lockout pin
  12. ILIM: Input current limit setting pin
  13. TS/NTC: Temperature sense or NTC input pin
  14. VSS: Ground pin
  15. VREGN: Negative terminal of the regulated output voltage
  16. VREGP: Positive terminal of the regulated output voltage
  17. SRN: Sense resistor negative terminal
  18. SRP: Sense resistor positive terminal
  19. BAT: Battery terminal
  20. VBUS: USB input voltage pin

Functional Features

  • Constant current and constant voltage charging modes
  • Thermal regulation to prevent overheating during charging
  • Automatic recharge feature after battery discharge
  • Charge termination based on programmable parameters
  • Reverse boost capability for USB On-The-Go (OTG) applications

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times.
  • Compact package allows for space-saving designs.
  • Advanced protection features ensure safe charging.
  • Programmable charging parameters offer flexibility.

Disadvantages

  • Limited availability in certain regions.
  • Requires knowledge of programming and configuration for optimal use.

Working Principles

The BQ24232HRGTR operates by regulating the charging current and voltage supplied to the battery. It employs a combination of constant current and constant voltage charging modes to efficiently charge the battery while preventing overcharging or undercharging. The IC continuously monitors the battery's voltage, temperature, and charging status to adjust the charging parameters accordingly. This ensures optimal charging performance and prolongs the battery's lifespan.

Detailed Application Field Plans

The BQ24232HRGTR is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and wireless earphones. Its compact size and high efficiency make it suitable for space-constrained designs where fast and reliable battery charging is essential. Additionally, its advanced protection features provide an added layer of safety for the charging circuitry and the battery.

Detailed and Complete Alternative Models

  • BQ24230RGTT: Similar to BQ24232HRGTR but with a different pin configuration.
  • BQ24233RGTT: Offers additional features such as USB OTG support and adjustable input current limit.
  • BQ24231RGTT: Provides similar functionality but with a different package option.

These alternative models offer similar charging capabilities and can be considered as substitutes depending on specific design requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de BQ24232HRGTR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of BQ24232HRGTR in technical solutions:

  1. Question: What is the input voltage range for BQ24232HRGTR?
    Answer: The input voltage range for BQ24232HRGTR is 3.9V to 6.2V.

  2. Question: What is the maximum charging current supported by BQ24232HRGTR?
    Answer: BQ24232HRGTR supports a maximum charging current of 2A.

  3. Question: Can BQ24232HRGTR charge multiple battery chemistries?
    Answer: No, BQ24232HRGTR is specifically designed for single-cell Li-Ion or Li-Polymer batteries.

  4. Question: Does BQ24232HRGTR support USB On-The-Go (OTG) functionality?
    Answer: Yes, BQ24232HRGTR supports USB OTG functionality.

  5. Question: What is the thermal regulation feature in BQ24232HRGTR?
    Answer: The thermal regulation feature in BQ24232HRGTR reduces the charge current when the device temperature exceeds a certain threshold to prevent overheating.

  6. Question: Can BQ24232HRGTR operate as a standalone charger?
    Answer: Yes, BQ24232HRGTR can operate as a standalone charger without any external microcontroller.

  7. Question: What is the purpose of the power path management feature in BQ24232HRGTR?
    Answer: The power path management feature allows the system to be powered directly from the battery while it is being charged, enabling continuous operation even during charging.

  8. Question: Does BQ24232HRGTR support battery temperature monitoring?
    Answer: Yes, BQ24232HRGTR supports battery temperature monitoring to ensure safe charging.

  9. Question: Can BQ24232HRGTR be used in portable devices?
    Answer: Yes, BQ24232HRGTR is suitable for various portable devices such as smartphones, tablets, and wearable devices.

  10. Question: What are the key advantages of using BQ24232HRGTR in technical solutions?
    Answer: Some key advantages of using BQ24232HRGTR include high charging efficiency, integrated power path management, thermal regulation, USB OTG support, and compact package size.

Please note that these answers are general and may vary depending on the specific application and requirements.