LTC4053EDD-4.2#PBF
Product Overview
Category
The LTC4053EDD-4.2#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, providing a reliable and efficient charging solution.
Characteristics
- Integrated circuit designed for battery charging
- Specifically optimized for lithium-ion batteries
- Provides reliable and efficient charging performance
- Compact and versatile design
- Offers various protection features for safe charging
Package
The LTC4053EDD-4.2#PBF comes in a small form factor package, making it suitable for space-constrained applications. The package type is DFN (Dual Flat No-Lead), which ensures easy integration onto PCBs.
Essence
The essence of the LTC4053EDD-4.2#PBF lies in its ability to efficiently charge lithium-ion batteries while ensuring safety and reliability.
Packaging/Quantity
This product is typically available in tape and reel packaging, with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V - 6V
- Charging Voltage: 4.2V
- Maximum Charging Current: 800mA
- Operating Temperature Range: -40°C to 85°C
- Charging Termination Current: 10% of the programmed maximum charge current
- Battery Recharge Threshold: 100mV below the programmed float voltage
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- PROG: Programming pin for setting the maximum charging current
- STAT: Status pin indicating charging status
- FLT: Fault pin indicating fault conditions
- BAT: Battery connection pin
Functional Features
- Constant-current/constant-voltage charging
- Programmable maximum charging current
- Automatic recharge feature
- Battery temperature monitoring and protection
- Reverse battery protection
- Under-voltage lockout
Advantages
- Efficient charging performance
- Compact and versatile design
- Integrated protection features for safe charging
- Wide operating temperature range
- Automatic recharge feature enhances convenience
Disadvantages
- Limited maximum charging current (800mA)
- Restricted input voltage range (4.5V - 6V)
Working Principles
The LTC4053EDD-4.2#PBF operates on the principle of constant-current/constant-voltage charging. It regulates the charging current to a programmed maximum value until the battery voltage reaches the programmed float voltage. Once the float voltage is reached, the charger switches to a constant-voltage mode, maintaining the battery voltage at the float level while reducing the charging current.
The integrated protection features ensure safe charging by monitoring the battery temperature, preventing reverse battery connection, and providing under-voltage lockout.
Detailed Application Field Plans
The LTC4053EDD-4.2#PBF finds applications in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable media players. It can also be used in battery-powered medical devices, wireless communication devices, and other portable equipment that require lithium-ion battery charging.
Detailed and Complete Alternative Models
- LTC4053EDD-4.1#PBF: Similar to LTC4053EDD-4.2#PBF but with a charging voltage of 4.1V.
- LTC4053EDD-4.3#PBF: Similar to LTC4053EDD-4.2#PBF but with a charging voltage of 4.3V.
- LTC4053EDD-4.4#PBF: Similar to LTC4053EDD-4.2#PBF but with a charging voltage of 4.4V.
These alternative models provide flexibility in choosing the appropriate charging voltage for specific lithium-ion battery requirements.
In conclusion, the LTC4053EDD-4.2#PBF is an integrated circuit designed for efficient and safe charging of lithium-ion batteries. Its compact design, integrated protection features, and wide operating temperature range make it suitable for various portable electronic devices and other battery-powered applications.
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4053EDD-4.2#PBF i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LTC4053EDD-4.2#PBF in technical solutions:
Q: What is LTC4053EDD-4.2#PBF? A: LTC4053EDD-4.2#PBF is a specific model of a 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 for LTC4053EDD-4.2#PBF? A: The input voltage range for LTC4053EDD-4.2#PBF is typically between 4.75V and 6V.
Q: What is the output voltage of LTC4053EDD-4.2#PBF? A: The output voltage of LTC4053EDD-4.2#PBF is fixed at 4.2V, which is suitable for charging lithium-ion/polymer batteries.
Q: Can LTC4053EDD-4.2#PBF charge other types of batteries? A: No, LTC4053EDD-4.2#PBF is specifically designed for charging single-cell lithium-ion/polymer batteries and should not be used with other battery chemistries.
Q: What is the maximum charging current supported by LTC4053EDD-4.2#PBF? A: The maximum charging current supported by LTC4053EDD-4.2#PBF is typically 800mA.
Q: Does LTC4053EDD-4.2#PBF have built-in overcharge protection? A: Yes, LTC4053EDD-4.2#PBF includes built-in overcharge protection to prevent the battery from being overcharged.
Q: Can LTC4053EDD-4.2#PBF be used in portable devices? A: Yes, LTC4053EDD-4.2#PBF is commonly used in portable devices such as smartphones, tablets, and wearable devices for charging their lithium-ion/polymer batteries.
Q: Does LTC4053EDD-4.2#PBF support trickle charging? A: Yes, LTC4053EDD-4.2#PBF supports trickle charging, which is a low current charging mode used to maintain the battery's charge level when it is not in use.
Q: Is LTC4053EDD-4.2#PBF suitable for fast charging applications? A: No, LTC4053EDD-4.2#PBF is not specifically designed for fast charging applications. It is more suitable for standard charging scenarios.
Q: Are there any recommended external components to use with LTC4053EDD-4.2#PBF? A: Yes, the datasheet of LTC4053EDD-4.2#PBF provides a list of recommended external components, including input and output capacitors, resistors, and diodes, that should be used for proper operation and performance.
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 consult with the manufacturer for detailed information and guidance.