Viz Specifikace pro podrobnosti o produktu.
LT3650IDD-4.1#PBF
Product Overview
Category
The LT3650IDD-4.1#PBF belongs to the category of integrated circuits (ICs) and is specifically designed for battery charging applications.
Use
This product is primarily used for charging lithium-ion batteries, making it suitable for a wide range of portable electronic devices such as smartphones, tablets, and digital cameras.
Characteristics
The LT3650IDD-4.1#PBF offers several key characteristics that make it an ideal choice for battery charging applications. These include high efficiency, fast charging capability, and a compact form factor.
Package
The LT3650IDD-4.1#PBF comes in a small and convenient 8-lead DFN (Dual Flat No-Lead) package. This package ensures easy integration into various electronic devices and provides efficient heat dissipation.
Essence
The essence of the LT3650IDD-4.1#PBF lies in its ability to efficiently charge lithium-ion batteries while maintaining safety and reliability. It incorporates advanced charging algorithms and protection features to ensure optimal battery performance.
Packaging/Quantity
The LT3650IDD-4.1#PBF is typically available in tape and reel packaging, with a quantity of 250 units per reel. This packaging format facilitates automated assembly processes and simplifies inventory management.
Specifications
- Input Voltage Range: 4V to 8V
- Output Voltage: 4.1V
- Charging Current: Up to 2A
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The LT3650IDD-4.1#PBF features the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- PROG: Programming pin for setting the charging current
- STAT: Status pin indicating charging status
- BAT: Battery connection pin
- ISET: Current limit programming pin
- VFB: Feedback voltage pin
- VOUT: Output voltage pin
Functional Features
- Constant current/constant voltage charging algorithm
- Automatic recharge feature to maintain battery capacity
- Thermal regulation to prevent overheating
- Under-voltage lockout for enhanced safety
- LED indication of charging status
Advantages and Disadvantages
Advantages
- High charging efficiency leads to reduced charging time
- Compact package size allows for easy integration into various devices
- Advanced protection features ensure safe and reliable charging
- Wide input voltage range enables compatibility with different power sources
Disadvantages
- Limited output voltage options (specifically designed for 4.1V)
- Requires external components for complete charging circuit implementation
Working Principles
The LT3650IDD-4.1#PBF operates based on a constant current/constant voltage charging algorithm. It starts by delivering a constant current to the battery until a predefined voltage threshold is reached. At this point, it switches to a constant voltage mode to prevent overcharging. The charger continuously monitors the battery's voltage and adjusts the charging current accordingly.
Detailed Application Field Plans
The LT3650IDD-4.1#PBF finds extensive application in various portable electronic devices that utilize lithium-ion batteries. Some specific application fields include:
- Smartphones and tablets
- Digital cameras and camcorders
- Portable gaming consoles
- Wireless headphones and earbuds
- Portable medical devices
Detailed and Complete Alternative Models
- LT3650IDD-4.2#PBF: Similar to LT3650IDD-4.1#PBF but with an output voltage of 4.2V.
- LT3650IDD-4.0#PBF: Similar to LT3650IDD-4.1#PBF but with an output voltage of 4.0V.
- LT3650IDD-4.3#PBF: Similar to LT3650IDD-4.1#PBF but with an output voltage of 4.3V.
These alternative models provide flexibility in choosing the appropriate output voltage for specific battery charging requirements.
In conclusion, the LT3650IDD-4.1#PBF is a highly efficient and compact integrated circuit designed for lithium-ion battery charging applications. Its advanced features, such as constant current/constant voltage charging, make it a reliable choice for various portable electronic devices. While it has some limitations, its advantages outweigh the disadvantages, making it a popular choice among designers and manufacturers in the industry.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3650IDD-4.1#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT3650IDD-4.1#PBF in technical solutions:
Q1: What is the LT3650IDD-4.1#PBF? A1: The LT3650IDD-4.1#PBF is a specific model number for a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed to charge single-cell lithium-ion/polymer batteries.
Q2: What is the input voltage range for the LT3650IDD-4.1#PBF? A2: The input voltage range for the LT3650IDD-4.1#PBF is typically between 4.95V and 32V.
Q3: What is the maximum charging current supported by the LT3650IDD-4.1#PBF? A3: The LT3650IDD-4.1#PBF can support a maximum charging current of 2A.
Q4: Can the LT3650IDD-4.1#PBF be used for fast charging applications? A4: Yes, the LT3650IDD-4.1#PBF supports a high charging current, making it suitable for fast charging applications.
Q5: Does the LT3650IDD-4.1#PBF have built-in thermal protection? A5: Yes, the LT3650IDD-4.1#PBF includes built-in thermal protection to prevent overheating during operation.
Q6: Can the LT3650IDD-4.1#PBF be used with different battery chemistries? A6: No, the LT3650IDD-4.1#PBF is specifically designed for lithium-ion/polymer batteries and may not be suitable for other battery chemistries.
Q7: What is the typical efficiency of the LT3650IDD-4.1#PBF? A7: The typical efficiency of the LT3650IDD-4.1#PBF is around 90%.
Q8: Does the LT3650IDD-4.1#PBF have overvoltage protection? A8: Yes, the LT3650IDD-4.1#PBF includes overvoltage protection to prevent damage to the battery during charging.
Q9: Can the LT3650IDD-4.1#PBF be used in portable devices? A9: Yes, the LT3650IDD-4.1#PBF is suitable for use in portable devices due to its compact size and low power consumption.
Q10: Are there any evaluation boards or reference designs available for the LT3650IDD-4.1#PBF? A10: Yes, Analog Devices provides evaluation boards and reference designs for the LT3650IDD-4.1#PBF, which can help with the implementation of the IC in various applications.
Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.