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LT3650EDD-4.1#PBF
Product Overview
Category
The LT3650EDD-4.1#PBF belongs to the category of integrated circuits (ICs) and is specifically designed for battery charging applications.
Use
This product is commonly used in various electronic devices that require battery charging capabilities, such as smartphones, tablets, portable gaming consoles, and other portable electronic devices.
Characteristics
- Input Voltage Range: 4V to 8V
- Output Voltage: 4.1V
- Charging Current: Up to 2A
- Efficiency: High efficiency charging with up to 94% efficiency
- Package Type: DFN (Dual Flat No-Lead)
- Package Dimensions: 3mm x 3mm
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 4V to 8V
- Output Voltage: 4.1V ± 1%
- Charging Current: Up to 2A
- Charge Termination: Programmable charge termination current
- Battery Temperature Monitoring: Integrated temperature sensor for thermal protection
- Operating Temperature Range: -40°C to 85°C
- Package Type: DFN-10
Detailed Pin Configuration
The LT3650EDD-4.1#PBF has a total of 10 pins. The pin configuration is as follows:
- VIN: Input voltage pin
- GND: Ground pin
- PROG: Programming pin for setting the charge termination current
- STAT: Status indicator pin
- VFB: Feedback voltage pin
- ISET: Current limit programming pin
- TS: Temperature sense pin
- BAT: Battery connection pin
- ILIM: Current limit programming pin
- VOUT: Output voltage pin
Functional Features
- High-efficiency battery charging
- Programmable charge termination current
- Integrated temperature sensor for thermal protection
- Status indicator for charging status monitoring
- Wide input voltage range for versatile applications
- Compact package size for space-constrained designs
Advantages and Disadvantages
Advantages: - High charging efficiency ensures faster charging times - Programmable charge termination allows customization for different battery types - Integrated temperature sensor prevents overheating and improves safety - Compact package size enables integration into small form factor devices
Disadvantages: - Limited output voltage options (only 4.1V) - Requires additional external components for complete charging circuit implementation
Working Principles
The LT3650EDD-4.1#PBF operates as a constant-current/constant-voltage charger. It regulates the charging current to the connected battery until the programmed charge termination current is reached. Once the charge termination condition is met, the charger switches to a constant-voltage mode to maintain the battery at its fully charged state.
Detailed Application Field Plans
The LT3650EDD-4.1#PBF finds applications in various portable electronic devices that require efficient and reliable battery charging. Some potential application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Wireless headphones and earbuds - Portable medical devices - GPS navigation systems
Detailed and Complete Alternative Models
- LT3650EDD-4.2#PBF: Similar to LT3650EDD-4.1#PBF but with an output voltage of 4.2V
- LT3650EDD-4.0#PBF: Similar to LT3650EDD-4.1#PBF but with an output voltage of 4.0V
- LT3650EDD-3.7#PBF: Similar to LT3650EDD-4.1#PBF but with an output voltage of 3.7V
- LT3650EDD-5.0#PBF: Similar to LT3650EDD-4.1#PBF but with an output voltage of 5.0V
These alternative models provide flexibility in choosing the desired output voltage for specific battery charging requirements.
In conclusion, the LT3650EDD-4.1#PBF is a highly efficient integrated circuit designed for battery charging applications. Its compact size, programmable features, and temperature monitoring make it suitable for a wide range of portable electronic devices. However, its limited output voltage options and additional external component requirements should be considered during design implementation.
Énumérez 10 questions et réponses courantes liées à l'application de LT3650EDD-4.1#PBF dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of LT3650EDD-4.1#PBF in technical solutions:
Q1: What is the input voltage range for LT3650EDD-4.1#PBF? A1: The input voltage range for LT3650EDD-4.1#PBF is typically between 4.95V and 32V.
Q2: What is the output voltage range for LT3650EDD-4.1#PBF? A2: The output voltage range for LT3650EDD-4.1#PBF is fixed at 4.1V.
Q3: What is the maximum charging current supported by LT3650EDD-4.1#PBF? A3: LT3650EDD-4.1#PBF can support a maximum charging current of up to 2A.
Q4: Can LT3650EDD-4.1#PBF charge multiple battery chemistries? A4: No, LT3650EDD-4.1#PBF is specifically designed for charging single-cell lithium-ion or lithium-polymer batteries.
Q5: Does LT3650EDD-4.1#PBF have built-in thermal protection? A5: Yes, LT3650EDD-4.1#PBF includes thermal shutdown and current limit features for protection against excessive heat and current.
Q6: Is LT3650EDD-4.1#PBF suitable for portable devices? A6: Yes, LT3650EDD-4.1#PBF is commonly used in portable devices such as smartphones, tablets, and wearable devices.
Q7: Can LT3650EDD-4.1#PBF operate in a wide temperature range? A7: Yes, LT3650EDD-4.1#PBF can operate within a temperature range of -40°C to 85°C.
Q8: Does LT3650EDD-4.1#PBF support battery temperature monitoring? A8: No, LT3650EDD-4.1#PBF does not have built-in battery temperature monitoring capabilities.
Q9: Can LT3650EDD-4.1#PBF be used in automotive applications? A9: Yes, LT3650EDD-4.1#PBF is suitable for automotive applications as it meets the necessary requirements and standards.
Q10: What is the package type for LT3650EDD-4.1#PBF? A10: LT3650EDD-4.1#PBF is available in a 12-pin DFN (3mm x 4mm) package.
Please note that these answers are based on general information about LT3650EDD-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 accurate and detailed information.