Texas Instruments
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BQ24003PWPG4
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BQ24003PWPG4

Product Overview

Category

The BQ24003PWPG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion or lithium-polymer batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • Input voltage range: 4.35V to 6.45V
  • Output voltage range: 3.5V to 4.4V
  • Charging current: Up to 1A
  • Programmable charge termination current
  • Thermal regulation and protection
  • Reverse leakage protection
  • Small form factor package

Package

The BQ24003PWPG4 is available in a small 20-pin HTSSOP package, which provides excellent thermal performance and compact size.

Essence

The essence of the BQ24003PWPG4 lies in its ability to efficiently and safely charge lithium-ion or lithium-polymer batteries, ensuring optimal performance and longevity.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.35V to 6.45V
  • Output Voltage Range: 3.5V to 4.4V
  • Charging Current: Up to 1A
  • Charge Termination Current: Programmable
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: HTSSOP-20

Detailed Pin Configuration

The BQ24003PWPG4 has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. VBUS: Input voltage from USB port
  2. AC: Input voltage from AC adapter
  3. PG: Power good output
  4. STAT: Charging status indicator
  5. ISET: Charge current setting
  6. TS: Temperature sense input
  7. VSS: Ground
  8. VSS: Ground
  9. VSS: Ground
  10. VSS: Ground
  11. VSS: Ground
  12. VSS: Ground
  13. VSS: Ground
  14. VSS: Ground
  15. VSS: Ground
  16. VSS: Ground
  17. VSS: Ground
  18. VSS: Ground
  19. VBAT: Battery voltage output
  20. VCC: Supply voltage input

Functional Features

  • Integrated power FETs for charging control
  • Programmable charge termination current
  • Thermal regulation and protection
  • Reverse leakage protection
  • Power good output for system status indication
  • Charging status indicator for visual feedback
  • Temperature sense input for thermal management

Advantages and Disadvantages

Advantages

  • Efficient and safe charging of lithium-ion or lithium-polymer batteries
  • Small form factor package for space-constrained applications
  • Programmable charge termination current for flexibility
  • Thermal regulation and protection for enhanced safety
  • Reverse leakage protection to prevent battery discharge

Disadvantages

  • Limited input voltage range (4.35V to 6.45V)
  • Output voltage range may not be suitable for all battery types

Working Principles

The BQ24003PWPG4 operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion or lithium-polymer batteries. It incorporates power FETs for charging control, programmable charge termination current, and thermal regulation to protect the battery from overcharging and overheating.

Detailed Application Field Plans

The BQ24003PWPG4 is widely used in various portable electronic devices that require battery charging capabilities. Some of the common application fields include:

  1. Smartphones
  2. Tablets
  3. Portable media players
  4. Wearable devices
  5. Bluetooth headsets
  6. GPS devices
  7. Portable gaming consoles

Detailed and Complete Alternative Models

  1. BQ24004PWPR: Similar functionality with a different pin configuration (20-pin HTSSOP package)
  2. BQ24005PWPR: Higher charging current capability (up to 1.5A) with similar features (20-pin HTSSOP package)
  3. BQ24006PWPR: Lower charging current capability (up to 500mA) with similar features (20-pin HTSSOP package)
  4. BQ24007PWPR: Programmable input current limit with similar features (20-pin HTSSOP package)

These alternative models provide options based on specific requirements and can be considered as suitable replacements for the BQ24003PWPG4.

In conclusion, the BQ24003PWPG4 is an integrated circuit designed for efficient and safe charging of lithium-ion or lithium-polymer batteries in various portable electronic devices. Its small form

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BQ24003PWPG4 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of BQ24003PWPG4 in technical solutions:

  1. Q: What is the BQ24003PWPG4? A: The BQ24003PWPG4 is a highly integrated single-cell Li-Ion battery charger IC designed for portable applications.

  2. Q: What is the input voltage range supported by the BQ24003PWPG4? A: The BQ24003PWPG4 supports an input voltage range of 4.35V to 6.45V.

  3. Q: What is the maximum charging current provided by the BQ24003PWPG4? A: The BQ24003PWPG4 can provide a maximum charging current of 1A.

  4. Q: Can the BQ24003PWPG4 charge other types of batteries apart from Li-Ion? A: No, the BQ24003PWPG4 is specifically designed for charging single-cell Li-Ion batteries.

  5. Q: Does the BQ24003PWPG4 have built-in thermal regulation? A: Yes, the BQ24003PWPG4 has built-in thermal regulation to prevent overheating during charging.

  6. Q: Can the BQ24003PWPG4 operate while charging the battery? A: Yes, the BQ24003PWPG4 can operate in a system while simultaneously charging the battery.

  7. Q: Is the BQ24003PWPG4 capable of trickle charging? A: Yes, the BQ24003PWPG4 supports trickle charging to maintain the battery at full capacity.

  8. Q: Does the BQ24003PWPG4 have overvoltage protection? A: Yes, the BQ24003PWPG4 has overvoltage protection to prevent damage to the battery.

  9. Q: Can the BQ24003PWPG4 be used in portable devices with USB connectivity? A: Yes, the BQ24003PWPG4 is suitable for portable devices with USB connectivity as it supports USB detection.

  10. Q: What is the package type of the BQ24003PWPG4? A: The BQ24003PWPG4 comes in a small 20-pin HTSSOP package.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ24003PWPG4.