BQ24278RGET
- Created at: 2023-10-23 02:22:33 , by WikiIC
- Updated at: 2023-10-23 02:22:33
- Views: 15
BQ24278RGET
Product Overview
Category
BQ24278RGET belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.
Use
This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, and portable electronics.
Characteristics
- Integrated circuit for battery charging
- Supports fast charging protocols
- High efficiency power management
- Compact package size
- Low power consumption
- Overvoltage and overcurrent protection
Package
BQ24278RGET is available in a small 24-pin QFN (Quad Flat No-leads) package. This package offers excellent thermal performance and ease of integration into electronic devices.
Essence
The essence of BQ24278RGET lies in its ability to efficiently charge lithium-ion batteries while providing protection against overvoltage and overcurrent conditions.
Packaging/Quantity
This product is typically sold in reels or tubes containing a specified quantity of ICs, depending on the manufacturer's packaging standards.
Specifications
- Input voltage range: 3.9V to 6.45V
- Charging voltage range: 3.5V to 4.44V
- Maximum charging current: 2A
- Programmable charging profiles
- Thermal regulation and protection
- Battery temperature monitoring
- Power path management
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- TS: Temperature sense input
- STAT: Status output pin
- ISET: Charging current setting pin
- VBUS: USB input voltage pin
- PG: Power good output pin
- BAT: Battery voltage pin
- SYS: System voltage pin
- ILIM: Input current limit setting pin
- SDA: I2C data pin
- SCL: I2C clock pin
- TS/NTC: Temperature sense or NTC input pin
- INT: Interrupt output pin
- CE: Charge enable input pin
- D+/D-: USB data pins
- VREG: Regulated output voltage pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
- TS/NTC: Temperature sense or NTC input pin
Functional Features
- Fast charging support: BQ24278RGET is capable of supporting various fast charging protocols, enabling quick and efficient battery charging.
- Power path management: This IC allows simultaneous charging of the battery while powering the device, ensuring uninterrupted operation.
- Thermal regulation and protection: The integrated thermal regulation feature prevents overheating during charging, enhancing safety and reliability.
- Programmable charging profiles: Users can customize charging profiles to meet specific battery requirements, optimizing charging efficiency.
Advantages and Disadvantages
Advantages
- High charging efficiency
- Compact package size
- Supports fast charging protocols
- Overvoltage and overcurrent protection
- Programmable charging profiles
Disadvantages
- Limited availability of alternative models
- Relatively high cost compared to standard charging ICs
Working Principles
BQ24278RGET operates by regulating the charging current and voltage supplied to the lithium-ion battery. It monitors the battery temperature, input voltage, and current to ensure safe and efficient charging. The IC also manages the power path between the input source and the battery, allowing simultaneous charging and device operation.
Detailed Application Field Plans
BQ24278RGET finds applications in a wide range of electronic devices that utilize lithium-ion batteries. Some notable application fields include: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - Digital cameras - Handheld gaming consoles
Detailed and Complete Alternative Models
While BQ24278RGET is a highly capable charging IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - BQ24296: A similar IC with additional USB OTG support - LTC4000: A high-performance battery charger with advanced features - MCP73871: A compact charging IC with integrated pass transistor
These alternative models can be considered based on specific requirements and design constraints.
In conclusion, BQ24278RGET is an integrated circuit designed for efficient charging of lithium-ion batteries in various electronic devices. With its fast charging support, power management capabilities, and protection features, it offers significant advantages in terms of charging efficiency and safety
List 10 common questions and answers related to the application of BQ24278RGET in technical solutions
Sure! Here are 10 common questions and answers related to the application of BQ24278RGET in technical solutions:
Q: What is the BQ24278RGET? A: The BQ24278RGET is a highly integrated single-cell Li-Ion battery charger with power path management for portable applications.
Q: What is power path management? A: Power path management allows simultaneous charging of the battery and powering the system from a USB port or an adapter.
Q: What is the input voltage range supported by BQ24278RGET? A: The BQ24278RGET supports an input voltage range of 4.35V to 6.5V.
Q: What is the maximum charge current supported by BQ24278RGET? A: The BQ24278RGET supports a maximum charge current of 2A.
Q: Does BQ24278RGET support thermal regulation during charging? A: Yes, BQ24278RGET has built-in thermal regulation to prevent overheating during charging.
Q: Can BQ24278RGET be used for wireless charging applications? A: No, BQ24278RGET is not specifically designed for wireless charging applications.
Q: Does BQ24278RGET have overvoltage protection? A: Yes, BQ24278RGET has overvoltage protection to safeguard the battery and system.
Q: Can BQ24278RGET be used with different battery chemistries? A: No, BQ24278RGET is designed for single-cell Li-Ion batteries only.
Q: Does BQ24278RGET support battery temperature monitoring? A: Yes, BQ24278RGET has a built-in battery temperature monitoring feature.
Q: Can BQ24278RGET be used in portable devices like smartphones and tablets? A: Yes, BQ24278RGET is commonly used in portable devices that require single-cell Li-Ion battery charging.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.
- https://chipmlcc.ru/product/details/texas-instruments/bq24278rget.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- https://www.chipmlcc.com/product/details/texas-instruments/bq24278rget.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
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