Texas Instruments
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
BQ24261RGER
Zobrazit detail DataSheets

BQ24261RGER

Product Overview

Category

BQ24261RGER 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 various portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

  • Input voltage range: 3.9V to 6.45V
  • Output voltage range: 3.9V to 6.2V
  • Charging current range: up to 2A
  • Programmable charge current limit
  • Integrated power path management
  • Thermal regulation and protection
  • Battery temperature monitoring
  • Status indication through LED or GPIO
  • Compact and space-saving package

Package

The BQ24261RGER is available in a small 24-pin VQFN package, which ensures efficient heat dissipation and compact integration into electronic devices.

Essence

The essence of BQ24261RGER lies in its ability to provide a reliable and efficient charging solution for lithium-ion or lithium-polymer batteries, ensuring optimal performance and safety.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 3.9V to 6.45V
  • Output Voltage Range: 3.9V to 6.2V
  • Charging Current Range: Up to 2A
  • Charge Termination Accuracy: ±1%
  • Precharge Current: 128mA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 24-pin VQFN

Detailed Pin Configuration

  1. EN (Enable)
  2. STAT (Status Indicator)
  3. PG (Power Good)
  4. TS (Thermal Sense)
  5. ISET (Charge Current Setting)
  6. VBUS (Input Voltage)
  7. SYS (System Output)
  8. BAT (Battery Connection)
  9. GND (Ground)
  10. ILIM (Input Current Limit)
  11. PROG (Programmable Charge Current)
  12. DPPM (Dynamic Power Path Management)
  13. TS/NTC (Thermal Sense or NTC Thermistor Input)
  14. INTVCC (Internal Voltage Regulator Output)
  15. SDA (I2C Data)
  16. SCL (I2C Clock)
  17. VREG (Regulated Output Voltage)
  18. VINDPM (Input Voltage Dynamic Power Management)
  19. SRN (Serial Resistor Network)
  20. SRP (Serial Resistor Program)
  21. SRSET (Serial Resistor Set)
  22. SRDAT (Serial Resistor Data)
  23. SRCLK (Serial Resistor Clock)
  24. VBAT (Battery Voltage)

Functional Features

  1. Integrated power path management allows simultaneous charging and system operation.
  2. Programmable charge current limit enables flexibility in battery charging.
  3. Thermal regulation and protection prevent overheating and ensure safe operation.
  4. Battery temperature monitoring ensures optimal charging conditions.
  5. Status indication through LED or GPIO provides visual feedback on the charging process.

Advantages and Disadvantages

Advantages

  • Efficient and reliable charging solution for lithium-ion or lithium-polymer batteries.
  • Compact package size for space-constrained applications.
  • Integrated power path management allows charging while using the device.
  • Programmable charge current limit offers flexibility.
  • Thermal regulation and protection ensure safe operation.

Disadvantages

  • Limited to single-cell battery charging applications.
  • Requires additional external components for complete charging circuitry.

Working Principles

The BQ24261RGER operates by regulating the input voltage and current to charge the connected lithium-ion or lithium-polymer battery. It incorporates power path management, allowing simultaneous charging and system operation. The charge current can be programmed to suit specific battery requirements. Thermal regulation and protection mechanisms prevent overheating and ensure safe charging.

Detailed Application Field Plans

The BQ24261RGER is widely used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth headsets - Portable medical devices

Detailed and Complete Alternative Models

  1. BQ24260RGER
  2. BQ24263RGER
  3. BQ24264RGER
  4. BQ24265RGER
  5. BQ24266RGER

These alternative models offer similar functionality and features, providing options for different design requirements and specifications.

In conclusion, the BQ24261RGER is a versatile integrated circuit designed for efficient and reliable charging of single-cell lithium-ion or lithium-polymer batteries. Its compact package, programmable charge current limit, and integrated power path management make it an ideal choice for

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24261RGER v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ24261RGER in technical solutions:

  1. Question: What is the BQ24261RGER?
    Answer: The BQ24261RGER 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 BQ24261RGER?
    Answer: The input voltage range is from 3.9V to 6.45V.

  3. Question: What is the maximum charging current supported by the BQ24261RGER?
    Answer: The BQ24261RGER supports a maximum charging current of 2A.

  4. Question: Can the BQ24261RGER charge multiple devices simultaneously?
    Answer: Yes, the BQ24261RGER supports simultaneous charging of the battery and powering the system.

  5. Question: Does the BQ24261RGER have overvoltage protection?
    Answer: Yes, the BQ24261RGER has overvoltage protection to prevent damage to the battery and connected devices.

  6. Question: What is the thermal regulation feature of the BQ24261RGER?
    Answer: The thermal regulation feature helps maintain safe operating temperatures by reducing the charging current when the device temperature exceeds a certain threshold.

  7. Question: Can the BQ24261RGER be used with different battery chemistries?
    Answer: No, the BQ24261RGER is specifically designed for single-cell Li-Ion batteries.

  8. Question: Does the BQ24261RGER support USB On-The-Go (OTG) functionality?
    Answer: Yes, the BQ24261RGER supports USB OTG functionality, allowing it to act as a power source for other devices.

  9. Question: What is the purpose of the power path management feature in the BQ24261RGER?
    Answer: The power path management feature allows the system to be powered directly from the input source while simultaneously charging the battery.

  10. Question: Is the BQ24261RGER suitable for portable electronic devices?
    Answer: Yes, the BQ24261RGER is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.