BQ24072RGTRG4 - English Editing Encyclopedia Entry
Product Overview
Category
BQ24072RGTRG4 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 4.44V
- Charging current: Up to 1.5A
- Programmable charge termination current
- Thermal regulation and protection
- Reverse leakage protection
- Small form factor package
Package and Quantity
The BQ24072RGTRG4 is available in a small 16-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.35V to 6.45V
- Output Voltage Range: 3.5V to 4.44V
- Charging Current: Up to 1.5A
- Charge Termination Current: Programmable
- Operating Temperature Range: -40°C to +85°C
- Package Type: 16-pin QFN
Pin Configuration
The BQ24072RGTRG4 has the following pin configuration:
- EN (Enable)
- STAT (Status)
- PG (Power Good)
- VBUS (Input Supply Voltage)
- TS (Thermal Sense)
- ISET (Charge Current Programming)
- PROG (Charge Termination Current Programming)
- BAT (Battery Connection)
- SRN (System Reset)
- VSS (Ground)
- VSS (Ground)
- VSS (Ground)
- VSS (Ground)
- VDD (Power Supply)
- VDD (Power Supply)
- VDD (Power Supply)
Functional Features
- Integrated power FETs for charging control
- Programmable charge termination current for different battery chemistries
- Thermal regulation and protection to prevent overheating
- Reverse leakage protection to avoid battery discharge
- Power good indicator for system status monitoring
- Enable pin for easy control of charging operation
- System reset function for proper initialization
Advantages and Disadvantages
Advantages
- High charging current capability enables faster battery charging
- Programmable charge termination current allows compatibility with various battery chemistries
- Small form factor package saves board space in compact electronic devices
- Integrated thermal regulation and protection ensure safe charging operation
- Reverse leakage protection prevents battery discharge during idle periods
Disadvantages
- Limited input voltage range may not be suitable for all applications requiring higher input voltages
- Lack of built-in communication interface for advanced battery management features
Working Principles
The BQ24072RGTRG4 operates by regulating the charging current and voltage supplied to the connected lithium-ion or lithium-polymer battery. It utilizes integrated power FETs to control the charging process, ensuring efficient and safe charging.
The charge termination current can be programmed to match the specific requirements of different battery chemistries, allowing optimal charging performance. The device also incorporates thermal regulation and protection mechanisms to prevent overheating during charging.
Furthermore, the BQ24072RGTRG4 includes reverse leakage protection, which prevents the battery from discharging back into the charging circuit when not in use.
Detailed Application Field Plans
The BQ24072RGTRG4 is widely used in various portable electronic devices that require lithium-ion or lithium-polymer battery charging. Some common application fields include:
- Smartphones and tablets
- Portable media players
- Wearable devices
- Bluetooth headsets
- GPS navigation systems
- Portable gaming consoles
Detailed and Complete Alternative Models
- BQ24072RGTTG4
- BQ24072RHLTG4
- BQ24072RHLTG4A
- BQ24072RHLTG4B
- BQ24072RHLTG4C
These alternative models offer similar functionality and features, providing options for different package types or temperature ranges.
In conclusion, the BQ24072RGTRG4 is a versatile integrated circuit designed for efficient and safe charging of lithium-ion or lithium-polymer batteries in various portable electronic devices. Its programmability, thermal regulation, and reverse leakage protection make it an ideal choice for battery charging applications.
10个与BQ24072RGTRG4在技术解决方案中的应用相关的常见问题及解答
Sure! Here are 10 common questions and answers related to the application of BQ24072RGTRG4 in technical solutions:
Q: What is the BQ24072RGTRG4? A: The BQ24072RGTRG4 is a highly integrated single-cell Li-Ion battery charger IC designed for portable applications.
Q: What is the input voltage range of the BQ24072RGTRG4? A: The BQ24072RGTRG4 has an input voltage range of 4.35V to 6.5V.
Q: What is the maximum charging current supported by the BQ24072RGTRG4? A: The BQ24072RGTRG4 supports a maximum charging current of 1.5A.
Q: Can the BQ24072RGTRG4 charge multiple batteries simultaneously? A: No, the BQ24072RGTRG4 is designed to charge a single-cell Li-Ion battery at a time.
Q: Does the BQ24072RGTRG4 have overvoltage protection? A: Yes, the BQ24072RGTRG4 features overvoltage protection to prevent damage to the battery during charging.
Q: Is the BQ24072RGTRG4 compatible with different battery chemistries? A: No, the BQ24072RGTRG4 is specifically designed for Li-Ion battery chemistry.
Q: Does the BQ24072RGTRG4 have thermal regulation? A: Yes, the BQ24072RGTRG4 incorporates thermal regulation to prevent overheating during charging.
Q: Can the BQ24072RGTRG4 operate while charging the battery? A: Yes, the BQ24072RGTRG4 supports system operation while charging the battery.
Q: What is the typical efficiency of the BQ24072RGTRG4? A: The BQ24072RGTRG4 has a typical charging efficiency of 92%.
Q: Does the BQ24072RGTRG4 have an integrated power path management feature? A: No, the BQ24072RGTRG4 does not have an integrated power path management feature.
Please note that these answers are based on general information and it's always recommended to refer to the datasheet and application notes for specific details and guidelines when using the BQ24072RGTRG4 in technical solutions.