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LTC4002EDD-8.4#TRPBF
Product Overview
Category
LTC4002EDD-8.4#TRPBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in battery charging applications.
Characteristics
The LTC4002EDD-8.4#TRPBF is known for its high efficiency and precision in charging lithium-ion batteries. It offers a wide input voltage range and supports fast charging capabilities. Additionally, it provides various safety features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Package
The LTC4002EDD-8.4#TRPBF comes in a DFN (Dual Flat No-Lead) package.
Essence
The essence of LTC4002EDD-8.4#TRPBF lies in its ability to efficiently charge lithium-ion batteries while ensuring safety and reliability.
Packaging/Quantity
This product is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.
Specifications
- Input Voltage Range: 4.5V to 36V
- Charging Voltage: 8.4V
- Charging Current: Up to 2A
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- PROG: Programming pin for setting charging current
- STAT: Status pin indicating charging status
- BAT: Battery connection pin
- TIMER: Timer programming pin
- TS: Thermal shutdown pin
- VCC: Supply voltage pin
Functional Features
- High charging efficiency
- Wide input voltage range
- Fast charging capability
- Overvoltage protection
- Overcurrent protection
- Thermal shutdown protection
- Programmable charging current
- Timer-based charging control
Advantages and Disadvantages
Advantages
- High efficiency ensures optimal battery charging
- Wide input voltage range allows compatibility with various power sources
- Fast charging capability reduces charging time
- Safety features protect the battery from overvoltage, overcurrent, and thermal issues
- Programmable charging current offers flexibility in different applications
Disadvantages
- Limited to lithium-ion battery charging applications
- Requires careful programming for optimal performance
Working Principles
The LTC4002EDD-8.4#TRPBF operates based on a switching regulator topology. It converts the input voltage to a suitable level for charging the connected lithium-ion battery. The charging process is controlled by an internal circuitry that monitors the battery voltage, current, and temperature. The programmable charging current and timer-based charging control ensure efficient and safe charging.
Detailed Application Field Plans
The LTC4002EDD-8.4#TRPBF finds extensive use in various battery-powered applications such as: 1. Portable electronic devices (e.g., smartphones, tablets) 2. Wireless communication devices 3. Medical devices 4. Industrial equipment 5. Electric vehicles
Detailed and Complete Alternative Models
- LTC4002EDD-8.2#TRPBF: Similar to LTC4002EDD-8.4#TRPBF but with a charging voltage of 8.2V.
- LTC4002EDD-7.4#TRPBF: Similar to LTC4002EDD-8.4#TRPBF but with a charging voltage of 7.4V.
- LTC4002EDD-9.0#TRPBF: Similar to LTC4002EDD-8.4#TRPBF but with a charging voltage of 9.0V.
These alternative models provide similar functionality and characteristics but cater to different battery voltage requirements.
In conclusion, the LTC4002EDD-8.4#TRPBF is a highly efficient integrated circuit designed for charging lithium-ion batteries. Its wide input voltage range, fast charging capability, and safety features make it suitable for various battery-powered applications. While it has some limitations, its advantages outweigh the disadvantages, making it a reliable choice for battery charging needs.
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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von LTC4002EDD-8.4#TRPBF in technischen Lösungen auf
Sure! Here are 10 common questions and answers related to the application of LTC4002EDD-8.4#TRPBF in technical solutions:
Q: What is LTC4002EDD-8.4#TRPBF? A: LTC4002EDD-8.4#TRPBF is a specific model of battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed for charging single-cell lithium-ion/polymer batteries.
Q: What is the input voltage range supported by LTC4002EDD-8.4#TRPBF? A: The input voltage range supported by LTC4002EDD-8.4#TRPBF is typically between 4.5V and 28V.
Q: What is the maximum charge current that LTC4002EDD-8.4#TRPBF can provide? A: LTC4002EDD-8.4#TRPBF can provide a maximum charge current of up to 4A.
Q: Can LTC4002EDD-8.4#TRPBF be used for fast charging applications? A: Yes, LTC4002EDD-8.4#TRPBF supports fast charging applications and provides various charging profiles to optimize charging time.
Q: Does LTC4002EDD-8.4#TRPBF have built-in thermal protection? A: Yes, LTC4002EDD-8.4#TRPBF has built-in thermal protection to prevent overheating during charging.
Q: Can LTC4002EDD-8.4#TRPBF be used with different battery chemistries? A: No, LTC4002EDD-8.4#TRPBF is specifically designed for lithium-ion/polymer batteries and may not be suitable for other chemistries.
Q: What is the typical efficiency of LTC4002EDD-8.4#TRPBF? A: The typical efficiency of LTC4002EDD-8.4#TRPBF is around 90%, which helps minimize power loss during charging.
Q: Does LTC4002EDD-8.4#TRPBF support battery temperature monitoring? A: Yes, LTC4002EDD-8.4#TRPBF supports battery temperature monitoring to ensure safe charging conditions.
Q: Can LTC4002EDD-8.4#TRPBF be used in portable devices with limited space? A: Yes, LTC4002EDD-8.4#TRPBF comes in a small form factor (DD package) and is suitable for applications with space constraints.
Q: Are there any evaluation boards or reference designs available for LTC4002EDD-8.4#TRPBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC4002EDD-8.4#TRPBF, which can help developers quickly prototype their charging solutions.
Please note that the answers provided here 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.