LT3651IUHE-4.1#PBF
Product Overview
Category
LT3651IUHE-4.1#PBF 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, portable media players, and other portable electronic devices.
Characteristics
- High efficiency: The LT3651IUHE-4.1#PBF offers high charging efficiency, ensuring maximum power transfer to the battery.
- Wide input voltage range: It can accept a wide range of input voltages, making it suitable for various power sources.
- Fast charging capability: This IC supports fast charging protocols, enabling quick charging of the battery.
- Thermal protection: It incorporates thermal shutdown circuitry to prevent overheating during operation.
Package
The LT3651IUHE-4.1#PBF comes in a compact and industry-standard 16-pin QFN package, which facilitates easy integration into electronic devices.
Essence
The essence of LT3651IUHE-4.1#PBF lies in its ability to efficiently charge lithium-ion batteries while providing necessary protection features.
Packaging/Quantity
This product is typically available in tape and reel packaging, with a quantity of 250 units per reel.
Specifications
- Input Voltage Range: 4V to 32V
- Charging Current: Up to 2A
- Charge Termination Voltage: 4.1V
- Operating Temperature Range: -40°C to 85°C
- Package Type: 16-pin QFN
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground reference pin
- PROG: Programming pin for setting charging current
- STAT: Status indicator pin
- FLT: Fault indicator pin
- TS: Thermal shutdown pin
- BAT: Battery connection pin
- ISET: Current limit setting pin
- VFB: Feedback voltage pin
- PGND: Power ground pin
- ILIM: Current limit programming pin
- SDA: I2C data pin
- SCL: I2C clock pin
- INTVCC: Internal voltage reference pin
- INTVSS: Internal ground reference pin
- NC: No connection pin
Functional Features
- Constant current/constant voltage charging
- Programmable charging current
- Charge termination based on battery voltage
- Thermal shutdown protection
- Fault indication for abnormal conditions
- I2C interface for advanced control and monitoring capabilities
Advantages and Disadvantages
Advantages
- High charging efficiency ensures optimal power transfer.
- Wide input voltage range allows compatibility with various power sources.
- Fast charging capability reduces charging time.
- Thermal protection prevents overheating, ensuring safety.
- I2C interface enables advanced control and monitoring.
Disadvantages
- Limited to lithium-ion battery charging applications.
- Requires additional external components for complete charging circuit implementation.
Working Principles
The LT3651IUHE-4.1#PBF operates on the principle of constant current/constant voltage charging. It regulates the charging current to a preset value until the battery voltage reaches the charge termination voltage. At that point, it switches to constant voltage mode, maintaining a steady voltage across the battery terminals. The IC incorporates thermal shutdown circuitry to protect against excessive temperature rise during operation.
Detailed Application Field Plans
The LT3651IUHE-4.1#PBF finds extensive application in various portable electronic devices that utilize lithium-ion batteries. Some specific application fields include: - Smartphones and tablets - Portable media players - Wearable devices - Portable gaming consoles - Digital cameras
Detailed and Complete Alternative Models
- LT3651IUHE-4#PBF: Similar to LT3651IUHE-4.1#PBF, but with a charge termination voltage of 4.0V.
- LT3651IUHE-4.2#PBF: Similar to LT3651IUHE-4.1#PBF, but with a charge termination voltage of 4.2V.
- LT3651IUHE-4.1#TRMPBF: Tape and reel packaging variant of LT3651IUHE-4.1#PBF.
These alternative models offer similar functionality and characteristics, providing flexibility in choosing the appropriate charging IC for specific battery charging requirements.
Word count: 609 words
기술 솔루션에 LT3651IUHE-4.1#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LT3651IUHE-4.1#PBF in technical solutions:
Q1: What is the input voltage range for LT3651IUHE-4.1#PBF? A1: The input voltage range for LT3651IUHE-4.1#PBF is typically between 4.95V and 32V.
Q2: What is the output voltage range for LT3651IUHE-4.1#PBF? A2: The output voltage range for LT3651IUHE-4.1#PBF is fixed at 4.1V.
Q3: What is the maximum charging current supported by LT3651IUHE-4.1#PBF? A3: LT3651IUHE-4.1#PBF supports a maximum charging current of 2A.
Q4: Can LT3651IUHE-4.1#PBF charge multiple batteries simultaneously? A4: No, LT3651IUHE-4.1#PBF is designed to charge a single lithium-ion or lithium-polymer battery at a time.
Q5: Does LT3651IUHE-4.1#PBF have built-in thermal protection? A5: Yes, LT3651IUHE-4.1#PBF includes built-in thermal protection to prevent overheating during operation.
Q6: Is LT3651IUHE-4.1#PBF suitable for portable electronic devices? A6: Yes, LT3651IUHE-4.1#PBF is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices.
Q7: Can LT3651IUHE-4.1#PBF be used for solar-powered applications? A7: Yes, LT3651IUHE-4.1#PBF can be used in solar-powered applications as it supports input voltages up to 32V.
Q8: Does LT3651IUHE-4.1#PBF have overvoltage protection? A8: Yes, LT3651IUHE-4.1#PBF includes overvoltage protection to prevent damage to the battery during charging.
Q9: What is the typical efficiency of LT3651IUHE-4.1#PBF? A9: The typical efficiency of LT3651IUHE-4.1#PBF is around 90% under normal operating conditions.
Q10: Can LT3651IUHE-4.1#PBF be used for fast charging applications? A10: Yes, LT3651IUHE-4.1#PBF supports fast charging with a maximum charging current of 2A.
Please note that these answers are based on general information about LT3651IUHE-4.1#PBF and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed technical specifications and guidelines.